ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG

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ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 v May 17/23 SECTION 7 – STRUCTURES Cover Page 7-0 Table of Contents 7-0 7-1 Windows, Doors and Compartment Enclosures (F-28A, F-28C) 7-1 7-1A Door Hardware Details 7-2 7-1B F-28F Cabin Door (F-28A, “C” and “F”) 7-3 7-2 Window Installation 7-9 7-2A F-28F Cabin Door Assembly (F-28F, S/N 744 & Sub) 7-11 7-2B Sections Through Door Latches & Lugs 7-12 7-2C Section Through Door Hinge Assembly 7-13 7-2D Section Details on Vent Windows 7-14 7-3 Cowling (F-28A, F-28C) 7-20 7-3A Cowling (280, 280C) 7-23 7-4 Windows, Doors & Compartment Enclosure (280 - 280FX) 7-26 7-4A 280F Cabin Door (280 - 280FX) 7-28 7-4B 280 Cabin Door Lock Installation (280 - 280FX) 7-30 7-4C 280FX Cabin Doors Assembly/Installation 7-32.1 7-4D 280FX Cabin Closeout Installation 7-32.7 7-5 Engine Compartment Enclosures (F-28C - 280FX) 7-33 7-6 Three Piece Airscoop (280FX) 7-35 7-7 Cabin Asssembly Installation 7-37 7-8 Pylon Assembly to Tailcone 7-38 7-9 Tailcone Bulkhead and Skin Enclosures 7-40 7-10 Stabilizer and Tailcone Extension (F-28A, F-28C, F-28F) 7-42 7-11 Stabilizer and Tailcone Extension (280, 280C, 280F) 7-44 7-12 Stabilizer and Tailcone Extension (F-28F, 280FX) 7-46 7-12A Tail Rotor Driveshaft Cover 7-48 7-13 Pylon Assembly to Landing Gear 7-50 7-14 Landing Gear Assembly 7-51 7-14A Oleo Strut Assembly 7-54 7-14B Landing Gear Fairings 7-56 SECTION 8 – FLIGHT CONTROLS ▌ Cover Page 8-1 ▌ Table of Contents 8-1 ▌ 8-1 Lower Swashplate Assembly 8-2 ▌ 8-2 Lower Swashplate Installation 8-3 ▌ 8-3 Lower Swashplate Control Rod Attachment 8-5 ▌ 8-3A Upper Swashplate Assembly & Control Attachment 8-6 ▌ 8-4 Main Rotor Pitch Change Controls 8-7 ▌ 8-5 Cyclic Control Assembly 8-8 ▌ 8-5A Cyclic Control Stick Assembly 8-18 8-6 Trim Spring Mechanical Installation 8-21 8-6A Longitudinal Bias Spring Installation 8-23 8-6B Lateral Bias Spring Installation 8-23 8-7 Lateral Trim With Bias Spring Installation 8-25 8-8 Trim Actuator Capsule Installation 8-27UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 vi May 17/23 8-9 Lateral Trim Assembly 8-29 8-10 Longitudinal Trim Assembly 8-32 8-11 Collective Trim, Spring Capsule 8-35 8-12 Co-Pilots Collective Assembly 8-37 8-13 Pilots Collective Assembly 8-39 8-14 Collective Control System Torque Shaft Assembly 8-41 8-15 Collective Control System Torque Shaft Assembly 8-44 8-16 Collective Control Reversing Bellcrank 8-46 8-16A Collective Control Push-Pull Rod Attachment 8-47 8-16B Collective Reversing Bellcrank Pivot 8-48 8-17 Collective Stick Friction Control 8-50 SECTION 9 – FURNISHINGS Cover Page 9-1 Table of Contents 9-1 9-1 Cabin Seat Assembly 9-2 9-2 Cabin Furnishings (Non-Production Models) 9-5 9-3 Cabin Furnishings and Fire Extinguisher 9-8 9-4 280F/FX Cabin Furnishings 9-13 9-5 Cabin Furnishings – Passenger Restraint System 9-18 SECTION 10 – UTILITY SYSTEMS Cover Page 10-1 Table of Contents 10-1 10-1 Cabin Heating Installation (F-28A) 10-2 10-2 Cabin Heating Installation (280) 10-4 10-3 Cabin Heating Installation (F-28C, 280C) 10-7 10-4 Cabin Heating Installation (Current Production) 10-10 SECTION 11 – INSTRUMENTS Cover Page 11-0 Table of Contents 11-0 11-1 Early F-28A Instrument Panels (F-28A) 11-1 11-1A Instrument Panel Installation (F-28C) 11-6 11-1B Instrument Panel Installation (280C) 11-10 11-1C Instrument Panel Installation (280) 11-14 11-1D Instrument Panel Installation (F-28F) 11-18 11-1E Instrument Panel Installation (280FX) 11-19 11-1F 280FX Instruments and Instrument Panel 11-22.1 11-1G 280FX Instruments and Instrument Panel (280FX S/N 2167) 11-22.11 11-2 Instrument Line Pylon Location (F-28A, 280) 11-23 11-3 Pitot Static System Installation 11-25 11-3A Instrument Lines Cabin and Panel 11-27 11-4 Instrument Lines Cabin and Panel (F-28A, 280) 11-29 11-4A Instrument Line Installation 11-32 11-4B Instrument/System Line Installation 11-33.1 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 vii May 17/23 11-5 Turbine Inlet Temp. Indicator Installation (F-28C, 280C, F-28F, 280F, 280FX) 11-34 11-5A Graphic Engine Monitor (F-28F, 280F, 280FX) 11-36 11-5B Mechanical Tachometer Drive Installation 11-37.1 11-5C EDM-700-4C Installation 11-37.4 11-6 Placard Bracket Install (2600# G.W.) 11-38 11-7 Placards 11-42 SECTION 12 – TAIL ROTOR ▌ Cover Page 12-0 ▌ Table of Contents 12-0 ▌ 12-1A Tail Rotor Transmission Assembly 12-0.2 ▌ 12-1B Flex Coupling Installation 12-1 ▌ 12-2A Tail Rotor Hanger Bearing Installation 12-3 ▌ 12-2B Rotor Tachometer Assembly 12-4 12-3 Tail Rotor Pedal Assembly 12-6 12-3A Bellcrank Pivot Assembly 12-7 ▌ ▌ 12-3B 12-3C Push Rod & Tie Rod Assembly Push Rod & Tie Rod Assembly 12-8 12-8 ▌ ▌ 12-3D 12-3E Tie Rod & Cable Attachment Tie Rod & Cable Attachment 12-9 12-9 12-4 Tail Rotor Cables 12-12 ▌ 12-5 Tail Rotor Pitch Link Assembly 12-14 ▌ 12-6A Tail Rotor Mechanical Controls(Right Hand Gearbox) 12-16 ▌ 12-6B Tail Rotor Mechanical Controls (Left Hand Gearbox) 12-18.2 12-7 28-15018-3 Tail Rotor Assembly (“A” Models) 12-19 12-8 28-150000-7,-10 Tail Rotor Assembly (“C” Models) 12-21 12-9 28-150050-2 Tail Rotor Assembly (“C” & “F” Models) 12-23 12-10 Tail Rotor Assembly (28-150079-1) (“C” & “F” Models) 12-26 SECTION 13 – SHIMS Cover Page 13-1 Table of Contents 13-1 13-1 Index of Enstrom Helicopter Shims 13-2 APPENDIX A – EQUIVALENT PARTS Introduction A-3 Equivalent Parts Tables A-3 APPENDIX B – STANDARD HARDWARE SUBSTITUTIONS Cover Page B-1 Table of Contents B-1 Introduction B-2 Acceptable Subsitution Conditions B-2 Hardware Tables B-2 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 viii May 17/23 Table A – Bolts B-3 Table B – Screws B-5 Table C – Nuts B-8 Table D – Nut Plates B-9 Table E – Solid Rivets B-11 Table F – Blind Rivets B-12 Table G – Washers B-13 Table H – Rivnuts B-15 Table I – Turnbuckles B-15 Table J – Grommets B-15 Table K – Cotter Pins B-16 Table L – Clamps (Nylon) B-17 Table M – Cable Ties B-17 Table N – U-Channel (Rubber) B-17 Table O – Shrink Tubing B-17 Table P – Ring Tongue Terminals B-18 Table Q – Retaining Rings B-18 Table R – Cushioned Clamps B-18 Table S – Plusnuts B-18 Table T – Solder Sleeve Shield Terminator B-19 Table U – Plug, Pipe – Countersink Hex Head B-19 Table V – Clip Nut B-19 Table W – Plug and Bleeder – Screw Thread B-19 Table X – Pin, Retaining, Safety B-19 Table Y – Quarter Turn Fastener B-19 Table Z – Quick Disconnect Terminal B-19 Table AA – Plug (BNC, TNC, N) B-19 Table AB – Roll Pin B-19 Table AC – Sleeve, Coupling B-19 Table AD – Clevis Pin B-20 Table AE – Quarter (1/4) Turn Fastener Receptacle B-20 Table AF – Washers, Extended AN960 Listing B-21 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 ix May 17/23 i Feb 27/23 ii Aug 21/19 iii Aug 21/19 iv Feb 27/23 ▌ v May 17/23 ▌ vi May 17/23 ▌ vii May 17/23 ▌ viii May 17/23 ▌ ix May 17/23 ▌ x May 17/23 ▌ xi May 17/23 ▌ xii May 17/23 ▌ xiii May 17/23 ▌ xiv May 17/23 ▌ xv May 17/23 ▌ xvi May 17/23 ▌ xvii May 17/23 ▌ xviii May 17/23 ▌ xix May 17/23 ▌ xx May 17/23 ▌ xxi May 17/23 ▌ xxii May 17/23 ▌ xxiii May 17/23 ▌ xxiv May 17/23 ▌ xxv May 17/23 ▌ xxvi May 17/23 ▌ xxvii May 17/23 ▌ xxviii May 17/23 ▌ xxix May 17/23 ▌ xxx May 17/23 ▌ xxxi May 17/23 ▌ xxxii May 17/23 ▌ xxxiii May 17/23 ▌ xxxiv May 17/23 ▌ xxxv May 17/23 ▌ xxxvi May 17/23 ▌ xxxvii May 17/23 ▌ xxxviii May 17/23 ▌ xxxix May 17/23 ▌ xl May 17/23 ▌ xli May 17/23 ▌ xlii May 17/23 ▌ xliii May 17/23 ▌ xliv May 17/23 ▌ xlv May 17/23 ▌ xlvi May 17/23 ▌ xlvii May 17/23 ▌ xlviii May 17/23 ▌ xlix May 17/23 ▌ l May 17/23 ▌ li May 17/23 ▌ lii May 17/23 ▌ liii May 17/23 ▌ liv May 17/23 ▌ lv May 17/23 ▌ lvi May 17/23 ▌ lvii May 17/23 ▌ lviii May 17/23 ▌ lix May 17/23 ▌ lx May 17/23 ▌ lxi May 17/23 ▌ lxii May 17/23 ▌ lxiii May 17/23 ▌ lxiv May 17/23 ▌ lxv May 17/23 ▌ lxvi May 17/23 ▌ lxvii May 17/23 ▌ lxviii May 17/23 ▌ lxix May 17/23 ▌ lxx May 17/23 ▌ lxxi May 17/23 ▌ lxxii May 17/23 ▌ lxxiii May 17/23 ▌ lxxiv May 17/23 ▌ lxxv May 17/23 ▌ lxxvi May 17/23 ▌ lxxvii May 17/23 ▌ lxxviii May 17/23 ▌ lxxix May 17/23 ▌ lxxx May 17/23 1-1 Apr 22/19 1-2 Feb 27/23 1-3 Apr 22/19 1-4 Apr 22/19 2-1 Apr 22/19 2-2 Apr 22/19 2-3 Apr 22/19 2-4 Apr 22/19 3-1 Aug 21/19 3-2 Apr 22/19 3-3 Apr 22/19 3-4 Apr 22/19 3-5 Apr 22/19 3-6 Apr 22/19 3-7 Feb 27/23 3-8 Feb 27/23 3-9 Apr 22/19 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 x May 17/23 3-10 Feb 27/23 3-11 Apr 22/19 3-12 Apr 22/19 3-13 Feb 27/23 3-14 Feb 27/23 3-15 Feb 27/23 3-16 Apr 22/19 3-17 Apr 22/19 3-18 Apr 22/19 ▌ 3-19 May 17/23 ▌ 3-20 May 17/23 3-21 Apr 22/19 3-22 Apr 22/19 3-23 Apr 22/19 3-24 Apr 22/19 3-25 Apr 22/19 3-26 Apr 22/19 3-27 Apr 22/19 3-28 Apr 22/19 3-29 Feb 27/23 3-30 Feb 27/23 3-31 Apr 22/19 3-32 Apr 22/19 3-33 Apr 22/19 3-34 Apr 22/19 3-35 Apr 22/19 3-36 Apr 22/19 3-37 Apr 22/19 3-38 Apr 22/19 3-39 Apr 22/19 3-40 Apr 22/19 3-41 Apr 22/19 3-42 Apr 22/19 3-43 Apr 22/19 3-44 Apr 22/19 3-45 Apr 22/19 3-46 Apr 22/19 3-47 Apr 22/19 3-48 Apr 22/19 3-49 Apr 22/19 3-50 Apr 22/19 3-51 Apr 22/19 3-52 Apr 22/19 3-53 Apr 22/19 3-54 Apr 22/19 3-55 Apr 22/19 3-56 Apr 22/19 3-57 Apr 22/19 3-58 Apr 22/19 3-59 Apr 22/19 3-60 Apr 22/19 3-61 Apr 22/19 3-62 Apr 22/19 3-63 Apr 22/19 3-64 Apr 22/19 3-65 Apr 22/19 3-66 Apr 22/19 3-67 Apr 22/19 3-68 Feb 27/23 3-69 Apr 22/19 3-70 Feb 27/23 ▌ 3-71 May 17/23 3-72 Feb 27/23 3-73 Feb 27/23 3-74 Feb 27/23 3-75 Feb 27/23 3-76 Feb 27/23 3-77 Feb 27/23 3-78 Feb 27/23 3-79 Apr 22/19 3-80 Apr 22/19 3-81 Feb 27/23 3-82 Feb 27/23 3-83 Feb 27/23 3-84 Feb 27/23 3-85 Feb 27/23 3-85.1 Feb 27/23 3-85.2 Feb 27/23 3-86 Feb 27/23 3-87 Apr 22/19 3-88 Aug 21/19 3-89 Apr 22/19 3-90 Apr 22/19 3-91 Feb 27/23 3-92 Feb 27/23 3-93 Feb 27/23 3-94 Feb 27/23 3-95 Feb 27/23 3-95.1 Feb 27/23 3-95.2 Feb 27/23 3-96 Apr 22/19 3-97 Apr 22/19 3-98 Apr 22/19 3-99 Feb 27/23 3-100 Feb 27/23 3-101 Feb 27/23 3-102 Apr 22/19 3-103 Apr 22/19 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 xi May 17/23 3-104 Feb 27/23 3-105 Feb 27/23 3-106 Feb 27/23 3-107 Aug 21/19 3-108 Apr 22/19 3-109 Apr 22/19 3-110 Feb 27/23 3-111 Feb 27/23 3-112 Feb 27/23 3-113 Feb 27/23 3-114 Feb 27/23 3-115 Apr 22/19 3-116 Apr 22/19 3-117 Apr 22/19 ▌ 3-118 May 17/23 ▌ 3-119 May 17/23 3-120 Apr 22/19 3-121 Apr 22/19 3-122 Apr 22/19 3-123 Aug 21/19 3-124 Apr 22/19 3-125 Apr 22/19 3-126 Apr 22/19 3-127 Apr 22/19 3-128 Apr 22/19 3-129 Apr 22/19 3-130 Apr 22/19 3-131 Apr 22/19 3-132 Aug 21/19 3-133 Aug 21/19 3-134 Aug 21/19 4-1 Feb 27/23 4-2 Apr 22/19 4-3 Apr 22/19 4-4 Feb 27/23 4-5 Feb 27/23 4-6 Feb 27/23 4-7 Aug 21/19 4-8 Feb 27/23 4-9 Feb 27/23 4-10 Feb 27/23 4-10.1 Feb 27/23 4-10.2 Feb 27/23 4-11 Aug 21/19 4-12 Aug 21/19 4-13 Aug 21/19 ▌ 4-14 May 17/23 4-15 Aug 21/19 4-16 Aug 21/19 5-1 Feb 27/23 5-2 Apr 22/19 5-3 Apr 22/19 5-4 Apr 22/19 5-5 Apr 22/19 5-6 Apr 22/19 5-7 Apr 22/19 5-8 Feb 27/23 5-9 Apr 22/19 5-10 Apr 22/19 5-11 Apr 22/19 5-12 Apr 22/19 5-13 Apr 22/19 5-14 Apr 22/19 5-15 Apr 22/19 5-16 Apr 22/19 5-17 Apr 22/19 5-18 Apr 22/19 5-19 Apr 22/19 5-20 Apr 22/19 5-21 Apr 22/19 5-22 Apr 22/19 5-23 Feb 27/23 5-24 Feb 27/23 5-25 Feb 27/23 5-25.1 Feb 27/23 5-25.2 Feb 27/23 5-26 Feb 27/23 5-27 Feb 27/23 5-28 Feb 27/23 5-29 Feb 27/23 5-30 Feb 27/23 5-31 Feb 27/23 5-32 Feb 27/23 6-1 Apr 22/19 6-2 Apr 22/19 6-3 Apr 22/19 6-4 Apr 22/19 6-5 Apr 22/19 6-6 Apr 22/19 6-7 Apr 22/19 6-8 Apr 22/19 6-9 Apr 22/19 6-10 Apr 22/19 6-11 Apr 22/19 6-12 Apr 22/19 6-13 Apr 22/19 6-14 Apr 22/19 6-15 Apr 22/19 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 xii May 17/23 6-16 Apr 22/19 6-17 Apr 22/19 6-18 Feb 27/23 6-19 Feb 27/23 6-20 Apr 22/19 6-21 Feb 27/23 6-21.1 Feb 27/23 6-21.2 Feb 27/23 6-22 Apr 22/19 6-23 Apr 22/19 6-24 Apr 22/19 6-25 Apr 22/19 6-26 Apr 22/19 6-27 Apr 22/19 6-28 Apr 22/19 6-29 Apr 22/19 6-30 Apr 22/19 6-31 Apr 22/19 6-32 Feb 27/23 6-33 Apr 22/19 6-34 Apr 22/19 6-35 Apr 22/19 ▌ 6-36 May 17/23 6-37 Apr 22/19 6-38 Apr 22/19 6-39 Apr 22/19 6-40 Apr 22/19 6-41 Apr 22/19 6-42 Apr 22/19 6-43 Apr 22/19 6-44 Apr 22/19 6-45 Apr 22/19 6-46 Apr 22/19 6-47 Apr 22/19 6-48 Apr 22/19 6-49 Apr 22/19 6-50 Apr 22/19 7-0 Feb 27/23 7-0.1 Feb 27/23 7-1 Original 7-2 Original 7-3 Original 7-3.1 Original 7-3.2 Original 7-4 Original 7-5 Original 7-6 Original 7-7 Original 7-8 Original 7-9 Original 7-10 Original 7-11 Original 7-12 Original 7-13 Original 7-14 Original 7-15 Original 7-16 Original 7-17 Original 7-18 Original 7-19 Original 7-20 Original 7-20.1 Original 7-20.2 Original 7-21 Original 7-22 Original 7-23 Original 7-24 Original 7-25 Original 7-26 Original 7-27 Original 7-28 Original 7-29 Original 7-30 Original 7-31 Original 7-32 Original 7-32.1 Feb 27/23 7-32.2 Feb 27/23 7-32.3 Feb 27/23 7-32.4 Feb 27/23 7-32.5 Feb 27/23 7-32.6 Feb 27/23 7-32.7 Feb 27/23 7-32.8 Feb 27/23 7-33 Original 7-34 Original 7-34A Original 7-35 Original 7-36 Original 7-37 Original 7-38 Original 7-39 Original 7-40 Original 7-41 Original 7-42 Original 7-43 Original 7-44 Original 7-45 Original 7-46 Original UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 xiii May 17/23 7-47 Original 7-48 Original 7-49 Original 7-50 Original 7-51 Original 7-52 Original 7-53 Original 7-54 Original 7-55 Original 7-56 Original 7-57 Original ▌ 8-1 May 17/23 ▌ 8-1.1 May 17/23 ▌ 8-2 May 17/23 ▌ 8-2.1 May 17/23 ▌ 8-2.2 May 17/23 ▌ 8-2.3 May 17/23 ▌ 8-3 May 17/23 ▌ 8-4 May 17/23 ▌ 8-5 May 17/23 ▌ 8-5A May 17/23 ▌ 8-5.2 May 17/23 ▌ 8-5.3 May 17/23 ▌ 8-6 May 17/23 ▌ 8-6.1 May 17/23 ▌ 8-6.2 May 17/23 ▌ 8-6.3 May 17/23 ▌ 8-6.4 May 17/23 ▌ 8-6.5 May 17/23 ▌ 8-7 May 17/23 ▌ 8-7.1 May 17/23 ▌ 8-7.2 May 17/23 ▌ 8-7.3 May 17/23 ▌ 8-8 May 17/23 ▌ 8-9 May 17/23 ▌ 8-10 May 17/23 ▌ 8-11 May 17/23 ▌ 8-12 May 17/23 ▌ 8-13 May 17/23 ▌ 8-14 May 17/23 ▌ 8-15 May 17/23 ▌ 8-16 May 17/23 ▌ 8-17 May 17/23 ▌ 8-18 May 17/23 ▌ 8-19 May 17/23 ▌ 8-20 May 17/23 ▌ 8-20.1 May 17/23 8-21 Original 8-22 Original 8-23 Original 8-24 Original 8-25 Original 8-26 Original 8-27 Original 8-28 Original 8-29 Original 8-30 Original 8-31 Original 8-32 Original 8-33 Original 8-34 Original ▌ 8-35 May 17/23 8-36 Feb 27/23 8-36.1 Feb 27/23 8-36.2 Feb 27/23 8-37 Original 8-38 Original 8-39 Original 8-40 Original 8-41 Original 8-42 Original 8-43 Original 8-44 Original 8-45 Original 8-46 Original 8-47 Original 8-48 Original 8-49 Original 8-50 Original 8-51 Original 9-1 Apr 22/19 9-2 Apr 22/19 9-3 Apr 22/19 9-4 Apr 22/19 9-5 Apr 22/19 9-6 Apr 22/19 9-7 Apr 22/19 9-8 Apr 22/19 9-9 Apr 22/19 9-10 Feb 27/23 9-11 Feb 27/23 9-12 Feb 27/23 9-13 Apr 22/19 9-14 Apr 22/19 9-15 Feb 27/23 9-16 Feb 27/23 9-17 Feb 27/23 9-18 Apr 22/19 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 xiv May 17/23 9-19 Apr 22/19 9-20 Apr 22/19 9-21 Apr 22/19 9-22 Apr 22/19 10-1 Apr 22/19 10-2 Apr 22/19 10-3 Apr 22/19 10-4 Apr 22/19 10-5 Apr 22/19 10-6 Apr 22/19 10-7 Apr 22/19 10-8 Apr 22/19 10-9 Apr 22/19 10-10 Apr 22/19 10-11 Apr 22/19 10-12 Apr 22/19 10-13 Apr 22/19 10-14 Apr 22/19 11-0 Feb 27/23 11-0.1 Aug 21/19 11-1 Original 11-2 Original 11-3 Original 11-4 Original 11-5 Original 11-6 Original 11-7 Original 11-8 Original 11-9 Original 11-10 Original 11-11 Original 11-12 Original 11-13 Original 11-14 Original 11-15 Original 11-16 Original 11-17 Original 11-18 Original 11-19 Original 11-20 Original 11-21 Original 11-22 Original ▌ 11-22.1 May 17/23 11-22.2 Aug 21/19 11-22.3 Aug 21/19 11-22.4 Feb 27/23 ▌ 11-22.5 May 17/23 ▌ 11-22.6 May 17/23 ▌ 11-22.7 May 17/23 ▌ 11-22.8 May 17/23 ▌ 11-22.9 May 17/23 ▌ 11-22.10 May 17/23 ▌ 11-22.11 May 17/23 11-22.12 Feb 27/23 11-22.13 Feb 27/23 ▌ 11-22.14 May 17/23 ▌ 11-22.15 May 17/23 ▌ 11-22.16 May 17/23 ▌ 11-22.17 May 17/23 11-22.18 Feb 27/23 11-23 Original 11-24 Original 11-25 Original 11-26 Original 11-27 Original 11-28 Original 11-29 Original 11-30 Original 11-31 Original 11-32 Original 11-33 Original 11-33.1 Aug 21/19 11-33.2 Aug 21/19 11-33.3 Aug 21/19 11-33.4 Aug 21/19 11-33.5 Aug 21/19 11-33.6 Aug 21/19 11-34 Original 11-35 Original 11-36 Original 11-37 Original 11-37.1 Aug 21/19 11-37.2 Aug 21/19 11-37.3 Aug 21/19 11-37.4 Feb 27/23 11-37.5 Feb 27/23 11-37.6 Feb 27/23 11-37.7 Feb 27/23 11-37.8 Feb 27/23 11-37.9 Feb 27/23 11-37.10 Feb 27/23 11-38 Original 11-39 Original 11-40 Original 11-41 Original 11-42 Original 11-43 Original 11-44 Original UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG TABLE OF CONTENTS Figure Description Page Rev. 9 xv May 17/23 11-45 Original 11-46 Original 11-47 Original 11-48 Original 11-49 Original 11-50 Original 11-51 Original 11-52 Original 11-53 Original 11-54 Original 11-55 Original 11-56 Original 11-57 Original ▌ 12-0 May 17/23 ▌ 12-0.1 May 17/23 ▌ 12-0.2 May 17/23 ▌ 12-0.3 May 17/23 ▌ 12-0.4 May 17/23 ▌ 12-0.5 May 17/23 ▌ 12-1 May 17/23 ▌ 12-2 May 17/23 ▌ 12-2.1 May 17/23 ▌ 12-2.2 May 17/23 ▌ 12-3 May 17/23 ▌ 12-3.1 May 17/23 ▌ 12-4 May 17/23 ▌ 12-5 May 17/23 ▌ 12-5.1 May 17/23 ▌ 12-5.2 May 17/23 12-6 Original 12-7 Original 12-8 Original 12-9 Original 12-10 Original 12-11 Original 12-12 Original 12-13 Original ▌ 12-14 May 17/23 ▌ 12-15 May 17/23 ▌ 12-15.1 May 17/23 ▌ 12-15.2 May 17/23 ▌ 12-16 May 17/23 ▌ 12-17 May 17/23 ▌ 12-18 May 17/23 ▌ 12-18.1 May 17/23 ▌ 12-18.2 May 17/23 ▌ 12-18.3 May 17/23 ▌ 12-18.4 May 17/23 ▌ 12-18.5 May 17/23 12-19 Original 12-20 Original 12-21 Original 12-22 Original 12-23 Original 12-24 Original 12-25 Original 12-26 28APR00 12-27 28APR00 12-28 28APR00 13-1 Apr 22/19 13-2 Apr 22/19 A-1 Sep 30/13 A-2 Sep 30/13 A-3 Mar 24/17 A-4 Feb 27/23 A-5 Mar 24/17 A-6 Mar 24/17 B-1 Feb 27/23 B-2 Feb 27/23 B-3 Feb 27/23 B-4 Feb 27/23 B-5 Feb 27/23 B-6 Feb 27/23 B-7 Feb 27/23 B-8 Feb 27/23 B-9 Feb 27/23 B-10 Feb 27/23 B-11 Feb 27/23 B-12 Feb 27/23 B-13 Feb 27/23 B-14 Feb 27/23 B-15 Feb 27/23 B-16 Feb 27/23 B-17 Feb 27/23 B-18 Feb 27/23 B-19 Feb 27/23 B-20 Feb 27/23 B-21 Feb 27/23 B-22 Feb 27/23 B-23 Feb 27/23 B-24 Feb 27/23 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xvi May 17/23 00-15073-01 3-30 30A 01-0770001-41 6-4 20 01-0770001-51 6-4 10 01-0770006-08 6-6 150A 01-0770028-05 6-6 150 01-0770028-05 6-6 150A 01-0770029 6-4 140 01-0770029-R 6-6 90 01-0770034-02 6-5 180 01-0770054-00 6-5 130 01-0770054-02 6-5 120 01-0770119-09 6-4 350 01-0770119-15 11-1F 80 01-0770119-15 11-1G 90 01-0790006-00 6-5 150 01-0790006-01 6-5 170 01-0790006-02 6-5 140 01-0790006-03 6-5 160 01-0790340-03 6-5 170 01-0790340-04 6-5 160 01-691-04 12-5 160 ▌ 01-691-05 8-4 100 01-824-08E-011 4-4 200 01-824-08E-011 5-3 520 02-0250276-00 6-6 130 02-0350003-01 6-4 – 02-0350003-01 6-4 – 02-0350003-01 6-4 – 02-0350281-0 6-4 – 02-03705534-00 6-4 – 02-691-04 5-2 170 02A21376 3-23 650 02A22619 3-8 190 037360-004 3-28 – 037360-104 3-3 280 037360-115 3-3 160 037360-124 3-28 – 037360-160 3-3 280 037360-161 3-3 160 037360-161 3-3 280 07DU08 5-2 140 ▌ 08DU08 8-1 190 09455-01-824-08E-011 5-3 520 099001-174 3-27 20 099001-176 3-27 10 099001-177 3-27 30 099001-178 3-27 40 099005-401 3-27 50 1 3-3 320 1 3-4 80 1 3-5 110 1/2-6NA 11-5C 225 ▌ 1/4 Harper 12-5 90 1/4 Harper 12-6A 140 1/4 Harper 3-3 60 1/4 Harper 5-1 110 1/4 Harper 5-3 370 1/4 Harper 5-5 120 1/4 Harper 8-11 160 1/4 Harper 8-11 20 ▌ 1/4 Harper 8-3 110 ▌ 1/4 Harper 8-5 350 1/4” O.D. X 24” Long 6-13 150 1/8” 6-13 160 1/8-6NA 6-4 190 1/8X8-32 3-24 450 10005498 3-26 50 10065 H1L5 4-2 80 101678-0002 3-8 110 10-176485-121 6-1 100 102-00007 5-6 170 10-357290-1 11-1F 275 10-357290-1 11-1G 165 103574-00 3-3 200 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xvii May 17/23 10-382780-12 6-2 40 1040 11-1F 90 1040 11-1G 85 10-400608-123 6-1 100 10-400608-123 6-2 40 10-400608-243 6-2 40 1061 3-24 – 1102 5-6 244 1-10-AM5201 9-5 5 11-691-04 12-5 140 ▌ 11-691-05 8-4 130 1219-4200-Z3Y 3-2 113 1219-4200-Z3Y 3-20 – 1219-4200-Z3Y 3-20B – 1219-4200-Z3Y 3-20B – 1239 3-9 21 12500750 4-4 140 12500750-125B 4-4 140 12528Y-A164 12-2B 20 12B 9-2 35 12LHTA17-M62 3-18 – 12LHTA1-M62 3-18 – 12TS15-2 11-1F 265 12TS15-2 11-1G 150 13241-LDS 5-6 – 1-480305-0 11-1F – 1-480319-0 6-11 – 149-24HT 3-31 – 1500-052-2 6-3 – 15-0007-5 6-5 10 1512 6-6 350 1512-140 6-4 90 ▌ 1539-001 12-1A 200 1540 5-6 – 1540 5-7 90 15PA90-4R 11-1F 270 15PA90-4R 11-1G 155 160-012-70 11-1F 190 160-012-70 11-1G 160 1637-B 12-2A 50 1637-B 4-1 330 ▌ 1637-B 8-1 70 ▌ 1637-B1 8-3A 180 1641-B 4-1 260 1641-B 4-2 160 1641-B 5-4 320 ▌ 1641-B 8-4 90 1650 4-2 160 1650 5-4 130 1678 11-1G 180 1684 11-1F 200 1687 11-1F 245 1691-C 3-8 120 ▌ 16DU12 8-5 230 ▌ 16-DU-12 8-3A 60 ▌ 16-DU-14 8-3A 60 ▌ 16-DU-16 8-3A 60 1728-B 5-3 270 1816 6-4 120 1816 6-5 20 18207 3-26 150 18286-00 3-26 130 183204 3-26 150 184969 3-4 120 1886 11-5B 130 ▌ 1886 12-2B 150 1911-B 4-1 320 1911-B 5-4 320 ▌ 1911-B 8-3A 180 1911-B1 11-5B 70 ▌ 1911-B1 12-2B 140 ▌ 1911-B1 8-1 70 19-130074-009 6-6 100 19-150002-009 6-4 – UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xviii May 17/23 19-150002-009 6-4 – 19-150002-009 6-4 – ▌ 1B7536 5-6 135 1SE1 5-1 310 2000653-001 6-5 10 20040S 10-1 18 20040S 3-3 260 20042A 3-6 10 20042A 3-7 180 20044S 10-1 4 20-0824130A00 6-4 – 2-010 3-26 80 201F-5006 3-31 – 201NP 5-3 300 20206A 3-7 310 2-025 E515-80 4-4 110 2-025 E515-80 4-4 40 2-026 3-9 60 2-029 4-2 140 20526 5-4 290 ▌ 206036-1 8-5 190 ▌ 206037-1 8-5 200 ▌ 206044-1 8-5 200A ▌ 206070-1 8-5 210 ▌ 206322-1 8-5 210A 2-137 E515-80 4-4 150 ▌ 21FA-540 12-1A 130 21FA-540 5-6 – 2212A 3-22 250 2212A 3-23 260 2-214 3-9 70 2-214 5-6 200 2-218 3-9 40 22-370-60 11-1F 405 22-370-60 11-1G 315 229001P 6-12 70 2-326 E515-80 4-4 90 2335-265-1 11-1F 460 2335-265-1 11-1G 370 23S-094-0625 4-3 70 2524917-1 3-31 – 270624141H0080 3-22 220 28-01011-3 6-13 200 28-01026-11 11-5C 70 28-01039-1 3-3 – ▌ 28-01041-1 12-1B 130 ▌ 28-01041-3 12-1B 130 28-01058-15 3-5.1 – 28-01058-3 3-5.1 140 280-113006-19 3-10 20 280-113016-29 6-10 80 280-113016-31 6-10 90 280-113019-31 6-9 80 280-113033-1 9-1 1B 280-113033-3 9-1 1C 280-124001-1 3-22 10 280-124001-1 3-23 10 280-124001-1 3-24 490 280-124001-1 3-26 – 280-124001-3 3-26 190 280-124301-1 3-24 10 280-124301-15 3-24 – 280-124301-16 3-24 – 280-124301-2 3-24 20 280-124301-901 3-24 10 280-124301-902 3-24 20 280-126001-109 3-20 – 280-126001-109 3-20A – 280-126001-109 3-20B – 280-126001-11 3-20B – 280-126001-15 3-20 – 280-126001-15 3-20A – 280-126001-15 3-20B – 280-126001-3 3-20B – UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xix May 17/23 280-126001-33 3-19 90 280-126001-33 3-20B – 280-126001-34 3-20 – 280-126001-35 3-19 110 280-126001-37 3-19 130 280-126001-39 3-19 120 280-126001-41 3-19 100 280-126001-45 3-6 290 280-126001-45 3-7 220 280-126001-47 3-6 280 280-126001-47 3-7 230 280-126001-51 3-19 80 280-126001-51 3-20 – 280-126001-51 3-20B – 280-126001-53 3-20 – 280-126001-53 3-20A – 280-126001-53 3-20B – 280-126001-55 3-20 – 280-126001-55 3-20A – 280-126001-55 3-20B – 280-126001-69 3-20 610 280-126001-69 3-20A 610 280-126001-69 3-20B 610 280-126001-9 3-20 210 280-126001-9 3-20A 210 280-126001-9 3-20B 210 280-126001-906 3-20B 20 280-126001-908 3-20 20 280-126001-908 3-20A 20 280-126002-1 3-6 190 280-126002-1 3-7 210 280-126003-1 3-6 240 280-126003-1 3-7 170 280-127500-11 10-2 16 280-127502-1 10-2 20 280-127505-13 10-2 18 280-127505-17 3-18 – 280-127505-17 3-20 – 280-127505-17 3-20A – 280-127505-17 3-20B – ▌ 280-127505-17 3-5.1 70 280-127507-11 10-2 17 280-180001-11 9-2 9 280-180001-12 9-2 8 280-180001-13 9-2 10 280-180006-1 9-2 6 280-181000-1 11-4B – 280-181000-11 11-4B 30 280-181000-13 11-4B 35 280-181000-15 11-4B 40 280-181000-17 11-4B 5 280-181000-19 11-4B 10 280-181000-21 11-4B 70 280-181000-23 11-4B 45 280-181000-25 11-4B 50 280-210004-5 6-5 – 280-210007-1 6-8 30 280-210007-11 6-8 – 280-210007-13 6-8 – 280-210007-3 6-8 30 280-221001 9-3 – 28-10-60-11 6-13 210 28-111004-1 3-10 130 28-111004-1 3-15 150 28-111004-15 3-15 150 28-111004-17 3-15 150 28-11112-1 3-6 140 28-11112-1 3-7 110 28-11128-1 5-1 460 ▌ 28-11238-1 12-2A –55 28-11298-13 3-12 10 28-11303-1 9-1 1 28-11303-4 9-1 12 28-11303-5 9-1 1A UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xx May 17/23 28-113040-11 9-1 2 28-113040-13 9-1 2A 28-113042-11 9-1 9 28-113054-1 6-5 250 28-113054-1 7-4D 10 28-113054-12 7-4D 20 28-113055-1 7-4D – 28-113069-1 9-1 14 ▌ 28-11307-901 8-5 560 ▌ 28-11307-902 8-5 –550 28-113101-1 7-4C 500 28-113101-2 7-4C -510 28-113101-3 7-4C 380 28-113101-4 7-4C -390 28-113103-1 7-4C 540 28-113103-2 7-4C -550 28-113103-3 7-4C 480 28-113103-4 7-4C -490 28-113107-11 3-11 – 28-113107-13 3-11 – 28-113107-15 3-11 – 28-113108-11 3-11 – 28-113108-13 3-11 – 28-113108-15 3-11 – 28-113112-11 7-4C 410 28-113112-12 7-4C -420 28-113113-11 7-4C 370 28-113113-13 7-4C 310 28-113114-1 7-4C 200 28-113114-2 7-4C -210 28-113118-11 7-4C 220 28-113118-12 7-4C -230 28-113120-11 7-4C 400 28-113122-1 7-4C 150 28-113122-2 7-4C -160 28-113122-3 7-4C 170 28-113122-4 7-4C -180 28-113124-11 7-4C 580 28-113124-12 7-4C -590 28-113125-11 7-4C 560 28-113125-12 7-4C -570 28-113128-11 7-4C 660 28-113129-11 7-4C 640 28-113134-11 7-4C 600 28-113134-12 7-4C -610 28-113135-11 7-4C 320 28-113135-12 7-4C -330 28-113136-11 7-4C 340 28-113136-12 7-4C -350 28-113139-1 7-4C 10 28-113139-2 7-4C -20 28-113140-1 7-4C 430 28-11360-1 6-9 70 28-11395-1 9-2 5 28-11395-1 9-3 50 28-11395-1 9-4 50 28-114016-7 3-5.1 160 28-11404-1 9-2 11 28-11404-13 9-3 290 28-11404-13 9-4 230 28-11430-1 9-1 11 28-11431-1 9-1 13 28-11452 10-1 22 28-11461-1 9-5 100 28-11462-11 9-5 95 28-11464-1 9-5 75 28-11466-1 9-5 70 28-11468-2 9-5 35 28-11475-1 9-5 90 28-11500-1 3-17 – 28-11500-5 3-17 50 28-11501-1 3-16 – 28-11501-10 3-16 20 28-11501-12 3-16 10 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxi May 17/23 28-11501-15 3-16 10 28-11501-17 3-16 10 28-11501-3 3-16 – 28-11501-3 3-17 10 28-11501-4 3-16 40 28-11501-4 3-17 170 28-11501-901 3-16 50 28-11502-5 3-16 60 28-11504-1 9-2 43 28-11600-13 9-2 1 28-11600-17 9-2 2 28-11600-19 9-2 28 28-11600-20 9-1 26 28-11600-21 9-1 27 28-116002-13 6-11 140 28-116002-15 6-11 140 28-11600-3 9-1 17 28-11600-4 9-1 18 28-116004-3 9-1 20 28-11600-5 9-1 16 28-116005-1 9-1 21 28-11600-6 9-2 2A 28-116006-1 9-1 22 28-11600-7 9-2 1A 28-116007-1 9-1 23 28-11600-8 9-1 19 28-116008-1 9-1 24 28-11600-9 9-2 28A 28-116009-1 9-1 25 28-11603-1 9-2 3 28-11608-11 9-3 30 28-11608-11 9-4 30 28-11608-13 9-3 30 28-11608-13 9-4 30 28-11610-3 9-3 – 28-11610-5 9-3 – 28-11611-1 9-3 440 28-11611-2 9-3 430 28-11612-11 9-3 – 28-11613-11 9-3 460 28-11613-12 9-3 450 28-11614-11 9-3 480 28-11614-12 9-3 470 28-11615-13 9-3 490 28-11615-15 9-3 490 28-11618-11 9-3 510 28-11618-12 9-3 500 28-11620-1 9-4 130 28-11621-11 9-4 170 28-11621-13 9-4 180 28-11622-1 9-4 20 28-11622-13 9-3 21 28-11622-15 9-4 20A 28-11622-17 9-3 21A 28-11622-21 9-4 20A 28-11623-1 9-4 – 28-11623-2 9-4 – 28-11624 9-4 – 28-11625-11 9-4 160 28-11625-13 9-3 420 28-11626 9-3 – 28-121000-19 3-3 330 28-121000-19 3-5 100 28-121000-901 3-7 – 28-12100-10 3-22 320 28-121001-1 3-9 30 28-12100-12 3-22 450 28-121005-19 3-8 30 28-121007-1 3-4 210 28-12100-8 3-22 60 28-121008-1 3-4 230 28-121008-3 3-4 230 28-12100-903 3-6 40 28-12100-904 3-6 30 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxii May 17/23 28-121009-3 3-8 90 28-121011-1 3-8 130 28-12101-11 3-22 190 28-121011-3 3-8 10 28-121012-11 3-8 40 28-121013-1 3-7 20 28-121014-1 3-7 30 28-12112-4 3-9 10 28-12112-5 3-9 10 28-12116-11 3-9 50 28-12118-2 3-9 10 28-12122-1 3-9 20 28-12125-1 3-9 30 28-12127-11 3-9 80 28-12133-11 3-23 630 28-12134-13 3-8 20 28-12134-15 3-8 20 28-12134-991 3-8 – 28-12140-1 3-5 20 28-12141-11 3-30 20A 28-12142-1 3-22 60 28-12145-1 3-5 10 28-12146-1 3-22 450 28-12146-1 3-23 450 28-12149-1 3-20 40 28-12149-1 3-20A 40 28-12149-1 3-20B 40 28-12150-1 3-7 350 28-12151-1 3-7 300 28-12155-1 3-8 60 28-12155-15 3-8 65 28-12158-11 3-7 370 28-12160-11 3-7 340 28-12162-1 3-3 250 28-123005-5 3-4 70 28-123007-1 3-3 70 28-123007-11 3-3 70 28-123009-11 3-3 80 28-123009-13 3-3 90 28-123009-15 3-3 90 28-123009-17 3-3 80 28-12301-1 3-1 20 28-123011-1 3-4 160 28-123012-1 3-4 130 28-123013-1 3-4 110 28-123014-1 3-4 20 28-123015-1 3-4 10 28-123016-1 3-4 200 28-123017-1 3-7 100 28-123018-1 3-23 210 28-123019-1 3-2 280 28-123019-1 3-3 40 28-12302-1 3-1 10 28-123022-11 3-3 10 28-123024-1 3-4 150 28-12305 10-1 13 28-12305 10-1 2 28-12305 10-2 14 28-12305 10-2 2 28-12305-1 3-18 40 28-12313-1 3-1 150 28-12329-1 3-1 120 28-12329-1 3-2 280 28-12335-1 3-2 40 28-12341-1 3-2 90 28-12344-11 3-2 – 28-12345-1 3-2 – 28-12350-1 3-2 110 28-12350-2 3-2 110 28-12350-3 3-2 110 28-12350-5 3-2 110 28-12353-1 3-2 70 28-12354-1 3-2 20 28-12354-2 3-2 20 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxiii May 17/23 28-12357-1 3-1 100 28-12357-1 3-2 50 28-12358-1 3-2 200 28-12359-11 3-3 – 28-12359-13 3-3 – 28-12360-1 3-3 190 28-12361-1 3-2 10 28-12362-1 3-2 – 28-12362-1 3-2 100 28-12400-12 3-24 260 28-12400-16 3-24 50 28-124002-3 3-23 61 28-12400-23 3-22 40 28-12400-23 3-23 40 28-124003-1 3-4 180 28-124003-13 3-23 430 28-124003-19 3-23 – 28-124003-5 3-8 70 28-124005-1 3-23 484 28-124006-11 3-23 150 28-12400-910 3-23 330 28-12400-919 3-24 90 28-12401-1 3-24 10 28-12401-2 3-24 20 28-12408-1 3-25 40 28-12409-1 3-25 30 28-12410-1 3-25 100 28-12411-3 3-25 80 28-12415-9 3-2 130 28-12416-3 3-24 480 28-12416-4 3-24 470 28-12417-1 3-26 160 28-12418-1 3-24 500 28-12419-1 3-24 520 28-12420-11 3-24 580 28-12420-13 3-24 570 28-12420-15 3-24 560 28-12421-1 3-24 – 28-12422-1 3-24 30 28-12424-1 3-24 610 28-12429-3 3-24 11 28-12429-4 3-24 21 28-12433-1 3-24 600 28-12433-2 3-24 600 28-12436-1 3-24 400 28-12436-1 3-24 410 28-12437-1 3-24 420 28-12437-3 3-24 420 28-12438-1 3-24 210 28-12438-3 3-24 210 28-12439-1 3-24 330 28-12440-1 3-24 110 28-12441-1 3-24 390 28-12441-3 3-24 390 28-12450-11 3-24 590 28-12450-13 3-24 590 28-12451-1 3-24 370 28-12452-1 3-24 290 28-12453-1 3-24 280 28-12456-1 3-24 400 28-12457-1 3-24 410 28-12458-1 3-24 330 28-12459-1 3-24 370 28-12460-1 3-24 340 28-12461-1 3-23 340 28-12461-3 3-23 600 28-12462-1 3-23 230 28-12462-3 3-23 590 28-12463-1 3-23 480 28-12464-3 3-23 60 28-12465-1 3-24 620 28-12470-11 11-1F 335 28-12470-11 11-1G 265 28-12470-11 11-4B – UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxiv May 17/23 28-12470-11 11-4B – 28-12471-11 11-1F 445 28-12471-11 11-1G 350 28-12471-11 11-4B – 28-12472-11 11-1F 345 28-12472-11 11-1G 275 28-12472-11 11-4B – 28-12473-11 11-1F 435 28-12473-11 11-1G 345 28-12473-11 11-4B – 28-12473-11 11-4B – 28-12474-11 11-1F 450 28-12474-11 11-1G 360 28-12474-11 11-4B – 28-12475-11 11-1F 440 28-12475-11 11-1G 355 28-12475-11 11-4B – 28-12478-11 3-24 630 28-12480-1 3-23 540 28-125000-11 3-28 – 28-12500-1 3-27 – 28-125007 10-1 1 28-125007 10-2 1 28-125008-1 3-8 160 28-125011-1 3-29 10 28-125011-31 3-29 40 28-125011-33 3-29 50 28-125011-49 3-29 50 28-125011-5 3-29 30 28-125016-11 3-28 – 28-125017-1 3-28 180 28-125082-1 3-29 20 28-125082-3 3-29 20 28-125082-3 3-8 – 28-12544-3 3-28 180 28-12551-13 3-28 270A 28-12551-15 3-28 270 28-12551-17 3-28 270 28-12551-19 3-28 270 28-12551-21 3-28 270 28-12551-21 3-28 270 28-12552-3 3-28 190 28-12552-5 3-28 190 28-12554-101 3-28 231B 28-12554-103 3-28 231A 28-12554-7 3-28 231D 28-12554-9 3-28 231C 28-12555-1 3-28 240A 28-12555-7 3-28 240 28-12555-7 3-28 240 28-12555-7 3-28 240 28-12555-7 3-28 240 28-12560-1 3-28 260 28-12560-1 3-28 260 28-12560-1 3-28 260 28-12560-1 3-28 260 28-12570-3 3-28 370 28-12574-11 3-28 210 28-12575-1 3-3 160 28-12575-1 3-3 340 28-12576-1 3-3 280 28-12577-1 3-28 130 28-12577-1 3-3 – 28-12600-4 3-18 80 28-12600-4 3-19 160 28-126004-1 3-19 10 28-126004-11 3-19 – 28-126005-1 3-19 50 28-126006-1 3-19 20 28-126007-17 3-20 240 28-126007-3 3-20 240 28-126007-3 3-20A 240 28-126007-3 3-20B 240 28-126007-5 3-20 220 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxv May 17/23 28-126007-5 3-20A 220 28-126007-5 3-20B 220 28-126007-7 3-20 220 28-126008-1 3-20 330 28-126008-1 3-20A 330 28-126008-1 3-20B 330 28-12601-1 3-21 10 28-12603-1 3-21 – 28-12603-3 3-21 – 28-12603-4 3-21 – 28-12605-1 3-21 – 28-12607-101 3-20 230 28-12607-13 3-20 250 28-12607-6 3-20 250 28-12607-6 3-20A 250 28-12607-6 3-20B 250 28-12607-8 3-20 230 28-12607-8 3-20A 230 28-12607-8 3-20B 230 28-12608-1 3-18 100 28-12608-3 3-18 – 28-12608-4 3-18 – 28-12608-4 3-20 – 28-12608-4 3-20A – 28-12608-4 3-20B – 28-12609-1 3-18 90 28-12609-3 3-18 90 28-12609-3 3-20 310 28-12609-3 3-20A 310 28-12609-3 3-20B 310 28-12610-12 3-20 170 28-12610-12 3-20A 170 28-12610-12 3-20B 170 28-12610-13 3-20 180 28-12610-13 3-20A 180 28-12610-13 3-20B 180 28-12610-3 3-20 10 28-12610-3A 3-20 – 28-12610-3A 3-20A – 28-12611-1 3-18 20 28-12611-4 3-18 60 28-12611-5 3-18 30 28-12611-5 3-19 – 28-12611-5 3-20 150 28-12611-5 3-20A 150 28-12611-5 3-20B 150 28-12611-8 3-18 50 28-12612-1 3-18 70 28-12613-1 3-18 10 28-12613-4 3-20 270 28-12613-4 3-20A 270 28-12613-4 3-20B 270 28-12613-5 3-20 260 28-12613-5 3-20A 260 28-12613-5 3-20B 260 28-12614-1 3-20 290 28-12614-1 3-20A 290 28-12614-1 3-20B 290 28-12615-1 3-20 300 28-12615-1 3-20A 300 28-12615-1 3-20B 300 28-12616-1 3-20 280 28-12616-1 3-20A 280 28-12616-1 3-20B 280 28-12617-1 3-20 320 28-12617-1 3-20A 320 28-12617-1 3-20B 320 28-12618-1 3-6 220 28-12618-1 3-7 190 28-12618-13 3-7 200 28-12618-5 3-6 220 28-12618-5 3-7 190 28-12619-1 3-20 480 28-12619-1 3-20A 480 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxvi May 17/23 28-12619-1 3-20B 480 28-12619-4 3-20 – 28-12619-4 3-20A – 28-12619-4 3-20B – 28-12619-5 3-20 – 28-12619-5 3-20A – 28-12619-5 3-20B – 28-12620-1 3-20 190 28-12620-1 3-20A 190 28-12620-1 3-20B 190 28-12621-1 3-18 – 28-12621-1 3-20 – 28-12621-1 3-20A – 28-12621-1 3-20B – 28-12623-1 3-6 180 28-12624-1 3-6 210 28-12624-1 3-7 200 28-12625-1 3-6 190 28-12626-1 3-6 200 28-12626-1 3-7 270 28-12626-13 3-6 200 28-12626-13 3-7 270 28-12628-11 3-20 290 28-12629-11 3-20 280 28-12642-1 3-21 – 28-12644-1 3-21 – 28-12645-1 3-20B 200 28-12646-11 3-20A – 28-12646-11 3-20B – 28-12646-13 3-20 – 28-12646-13 3-20A – 28-12646-13 3-20B – 28-12646-15 3-20 – 28-12646-15 3-20A – 28-12646-15 3-20B – 28-12646-17 3-20 – 28-12646-17 3-20A – 28-12646-17 3-20B – 28-12646-21 3-20 – 28-12647-1 3-20A 200 28-12647-1 3-20B 200 28-12647-3 3-20 200 28-12648-1 3-19 70 28-12649-1 3-19 60 28-12650-1 3-20 – 28-12650-1 3-20B – 28-12650-11 3-20B – 28-12650-17 3-20B – 28-12651-11 3-20B – 28-12651-13 3-20 – 28-12651-13 3-20A – 28-12651-13 3-20B – 28-12652-13 3-20 – 28-12652-13 3-20A – 28-12652-5 3-20 – 28-12652-5 3-20 – 28-12653-13 3-20 – 28-12653-13 3-20A – 28-12653-5 3-20 – 28-12654-11 3-7 220 28-12654-13 3-7 230 28-12655-1 3-20B 50 28-12655-3 3-20A 50 28-12655-3 3-20B 50 28-12655-5 3-20 50 28-12655-5 3-20A 50 28-12656-1 3-20B 30 28-12656-3 3-20 30 28-12656-3 3-20A 30 28-12658-11 3-20B – 28-12659-1 3-20 130 28-12659-13 3-20B – 28-12659-15 3-20 130 28-12659-15 3-20A 130 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxvii May 17/23 28-12659-16 3-20A 140 28-12659-17 3-20 140 28-12659-17 3-20A 140 28-12662-1 3-20 60 28-12662-1 3-20A 60 28-12662-11 3-20B 60 28-12662-13 3-20A 60 28-12662-13 3-20B 60 28-12663-11 3-20B – 28-12664-11 3-7 240 28-12666-1 3-20B – 28-12666-1 3-20B 110 28-12666-3 3-20 110 28-12666-3 3-20A 110 28-12666-3 3-20B 110 28-12667-11 3-20 – 28-12667-11 3-20B – 28-12667-13 3-20B – 28-12668-11 3-20 – 28-12668-11 3-20A – 28-12668-11 3-20B – 28-12668-13 3-20B – 28-12669-11 3-20B – 28-12674-1 3-20B 70 28-12675-1 3-20B 10 28-12675-3 3-20A 10 28-12676-1 3-20B – 28-12676-3 3-20B – 28-12676-5 3-20B – 28-12676-7 3-20A – 28-12676-9 3-20A – 28-12676-901 3-20 – 28-12677-1 3-20B 160 28-12677-3 3-20B 160 28-12678-11 3-20B – 28-12679-1 3-20B 130 28-12679-3 3-20B 130 28-12681-1 3-20B 80 28-12681-3 3-20B 80 28-12681-5 3-20 80 28-12681-5 3-20A 80 28-12682-11 3-20 90 28-12682-11 3-20A 90 28-12682-11 3-20B 90 28-12682-13 3-20B – 28-12683-1 3-20 100 28-12683-1 3-20A 100 28-12683-1 3-20B 100 28-12683-11 3-20 – 28-12683-11 3-20A – 28-12683-11 3-20B – 28-12683-13 3-20 – 28-12683-13 3-20A – 28-12683-13 3-20B – 28-12683-13 3-20B – 28-12683-15 3-20B – 28-12683-3 3-20B – 28-12683-3 3-20B 100 28-12684-11 3-20B – 28-12684-11 3-20B – 28-12685-11 3-20B – 28-12685-13 3-20B – 28-12686-11 3-20 490 28-12686-11 3-20A 490 28-12686-11 3-20B 490 28-12687-1 3-20 120 28-12687-1 3-20A 120 28-12687-1 3-20B 120 28-12688-1 3-20A 70 28-12688-13 3-20A – 28-12688-15 3-20A – 28-12688-17 3-20A – 28-12688-19 3-20A – 28-12688-25 3-20A – UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxviii May 17/23 28-12688-29 3-20 – 28-12688-29 3-20A – 28-12688-3 3-20A 70 28-12688-5 3-20 70 28-12688-5 3-20A 70 28-12689-11 3-20 160 28-12689-11 3-20A 160 28-127000-1 10-1 – 28-127000-11 10-1 3 28-127000-11 10-2 3 28-127001 10-2 – 28-127002-1 10-4 – 28-127002-3 10-3 – 28-127002-5 10-4 – 28-12701-3 10-1 15 28-12701-4 10-1 12 28-12701-4 10-2 13 28-12701-5 10-1 5 28-12701-5 10-2 5 28-12705 10-1 16 28-12705 10-3 19 28-12706 10-1 14 28-12706 10-2 15 28-12706-11 3-5.1 10 28-12714 10-1 9 28-12714 10-2 10 28-12718 10-1 10 28-12718 10-2 11 ▌ 28-12719 8-5 – ▌ 28-12719-11 8-5 590 ▌ 28-12719-12 8-5 –600 28-127502-1 10-4 340 28-127508-1 10-3 10 28-127508-1 10-4 280 28-127509-1 10-3 5 28-127509-1 10-4 120 28-127510-1 10-3 3 28-127510-1 10-4 100 28-127520-11 10-3 2 28-127520-11 10-4 20 28-127520-13 10-3 1 28-127520-13 10-4 10 28-127520-15 10-4 30 28-127520-17 10-2 25 28-127520-17 10-4 360 28-127520-19 10-2 26 28-127520-19 10-4 350 28-127520-25 10-3 16 28-127520-29 10-4 10 28-127521-11 10-3 11 28-127521-11 10-4 290 28-127523-1 10-4 120 28-127524-1 10-4 280 28-13005-1 5-6 260 28-13101-1-R 5-6 10 28-13101-5-R 5-6 10 28-13107-13 5-6 210 28-13107-15 5-6 210 28-13117-4 5-7 20 28-13117-5 5-7 30 28-13117-6 5-7 45 28-13117-7 5-7 50 28-13117-8 5-7 35 28-13117-9 5-7 40 28-13120-1 5-6 150 28-13122-1 5-7 10 28-13122-991 5-7 – 28-13129-13 5-4 280 28-13134-5 5-6 180 28-13137-1 5-6 60 28-13137-11 5-6 60 28-13142-1 5-4 180 ▌ 28-13145-1 12-1A ‒190 28-13145-1 4-4 300 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxix May 17/23 28-13148-1 5-6 70 28-13149-1 5-6 80 28-13170-103 5-6 10 28-13170-3-R 5-6 10 28-13170-7-R 5-6 10 28-13170-900 5-6 10 28-13170-903 5-4 240 28-13170-905 5-4 – 28-13170-909 5-6 10 28-13170-9-R 5-6 10 28-13177-1 5-6 100 28-13180-11 5-4 270 28-13181-11 5-4 300 28-13182-1 5-4 330 28-13182-11 5-4 330 28-13184-11 5-4 350 28-132001-11 5-4 100 28-132001-13 5-4 100 28-132005-1 5-3 – 28-132005-11 5-3 490 28-132005-3 5-3 – 28-132006-11 5-3 530 28-132008-11 5-3 380 28-132009-11 5-3 540 28-132010-13 5-4 100 28-132020-901 5-1 – 28-132020-903 5-3 – 28-132020-904 5-3 – 28-132022-1 5-1 – 28-132022-11 5-1 330 28-132022-2 6-11 200 28-132022-3 6-11 200 28-13210-13 5-4 110 28-13211-1 5-4 70 28-13212-1 5-4 30 28-13215-1 5-4 250 28-13215-3 5-4 250 28-13227-5 5-4 10 28-13229-1 5-3 10 28-13230-1 5-3 20 28-13231-3 5-4 170 28-13231-4 5-4 170 28-13231-5 5-4 170 28-13231-6 5-4 170 28-13231-7 3-21 60 28-13231-7 5-4 170 28-13232-1 5-6 40 28-13233-1 5-3 70 28-13234-1 5-3 80 28-13238-1 5-3 110 28-13238-1 5-6 30 28-13245-901 5-3 230 28-13246-1 5-3 260 28-13248-1 5-3 250 28-13250-1 5-2 20 28-13250-11 5-2 20 28-13251-1 5-2 30 28-13252-1 5-2 80 28-13253-1 5-2 10 28-13254-1 5-2 40 28-13255-1 5-2 130 28-13256-1 5-2 70 28-13259-4 5-1 60 28-13259-4 5-2 – 28-13260-1 5-1 380 28-13263-1 5-2 150 28-13264-1 5-1 80 28-13265-1 5-1 100 28-13266-1 5-1 160 28-13266-15 5-1 200 28-13267-1 5-1 190 28-13267-11 5-1 210 28-13268-1 5-1 30 28-13269-1 5-1 140 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxx May 17/23 28-13271-1 5-4 190 28-13273-1 5-4 100 28-13273-13 5-4 100 28-13274-1 5-1 180 28-13276-1 5-5 320 28-13277-1 5-1 40 28-13278-1 5-3 310 28-13279-1 5-2 120 28-13280-3 5-1 230 28-13280-4 5-1 240 28-13281-3 5-4 420 28-13281-4 5-4 420 28-13281-5 5-4 420 28-13282-3 5-3 290 28-13282-4 5-3 290 28-13282-5 5-3 290 28-13283-1 5-1 90 28-13284-1 5-1 430 28-13285-4 5-5 340 28-13285-5 5-1 250 28-13285-6 5-1 50 28-13285-7 5-1 170 28-13292-1 5-3 50 28-13292-4 5-3 60 28-13296-1 5-3 280 28-13297-1 5-3 240 28-13299-1 5-3 420 28-13299-3 5-3 420 28-13300-13 5-4 100 28-13302-1 5-4 430 28-13302-11 5-4 430 28-13302-13 5-4 430 28-13303-11 5-4 300 28-13305-1 5-4 40 28-13306-1 5-4 150 28-13313-1 5-3 140 28-13316-1 5-3 170 28-13316-913 5-3 180 28-13318-1 5-3 340 28-13318-7 5-3 340 28-13319-1 5-4 60 28-13321-11 5-4 430 28-13321-13 5-4 430 28-13321-15 5-4 430 28-13321-17 5-4 430 28-13322-11 5-4 300 28-13323-11 5-4 280 28-13401-4 5-4 200 ▌ 28-135003-1 12-1A 30 ▌ 28-135003-11 12-1A 30 ▌ 28-13511-11 12-1A 180 ▌ 28-13515-3 12-1A 50 ▌ 28-13525-5 12-1A –10 ▌ 28-13525-7 12-1A 10A ▌ 28-13531-11 12-1A 140 ▌ 28-13532-11 12-1A 160 28-13600-3 12-1B 60A 28-13600-4 12-1B 60B 28-13600-5 12-1B 60C 28-13600-6 12-1B 50A 28-13600-7 12-1B 50B 28-13600-8 12-1B 50C 28-13605-3 12-2A 60 28-13605-4 12-2A 60 28-13605-5 12-2A 60 28-13605-6 12-2A 60 28-13605-7 12-2A 60 28-13605-8 12-2A 60 28-13606-1 12-2A 40 28-13607-1 12-1B 40 28-13611-1 12-2A 10 28-13613-1 12-1B 20 28-13614-1 12-1B 30 28-13614-1 5-6 248 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxi May 17/23 ▌ 28-13617-902 12-2A –5 ▌ 28-13617-903 12-1B ‒5 ▌ 28-13617-905 12-1B ‒5A 28-13618-1 12-1B 10 28-13619-1 12-1B 150 28-13621-11 12-1B 160 ▌ 28-13621-13 12-1B 160 28-13623-11 12-1B 50A 28-13623-13 12-1B 50B 28-13623-17 12-1B 50C ▌ 28-13623-25 12-1B 60A ▌ 28-13623-27 12-1B 60B ▌ 28-13623-29 12-1B 60C ▌ 28-13623-31 12-1B 60D 28-14004-1 4-1 380 28-14006-11 4-1 280 28-14006-13 4-1 280 28-14006-15 4-1 280 28-14006-17 4-1 280 28-14006-19 4-1 280 28-14006-3 4-1 280 28-14006-5 4-1 280 28-14006-7 4-1 280 28-14006-9 4-1 280 28-14007-1 4-2 250 28-14007-3 4-2 250 28-14008-1 4-1 370 28-14009-1 4-1 350 28-14009-2 4-1 350 28-14009-3 4-1 350 28-14009-5 4-1 350 28-14019-10 4-3 40 28-14019-2 4-3 40 28-14019-3 4-3 40 28-14019-5 4-3 40 28-14019-6 4-3 40 28-14100-9 4-2 240 28-14109-1 4-2 380 28-14110-1 4-2 – 28-14110-2 4-2 – 28-14110-3 4-2 – 28-14117-1 4-1 200 28-14117-11 4-1 200 28-14119-11 4-2 242 28-14141-913 4-2 370 28-14202-1 4-1 40 ▌ 28-14207-1 8-4 30 ▌ 28-14207-101 8-4 30 ▌ 28-14207-7 8-4 30 28-14219-3 4-1 – 28-14219-7 4-1 – 28-14219-901 4-1 – 28-14223-1 4-1 100 28-14224-1 4-1 70 28-14224-3 4-1 130 28-14227-1 4-1 180 28-14227-11 4-3 10 28-14228-1 4-1 170 28-14228-15 4-1 170 28-14231-1 4-2 50 28-14233-2 4-3 60 28-14233-3 4-3 60 28-14234-9 4-2 – 28-14234-901 4-2 – 28-14234-909 4-2 – 28-14235-1 4-1 360 28-14236-1 4-1 220 28-14236-1 4-1 270 28-14236-1 4-3 30 28-14239-1 4-2 210 28-14239-11 4-2 – 28-14239-3 4-2 – 28-14239-5 4-2 210 28-14240-1 4-2 20 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxii May 17/23 28-14244-1 4-1 80 28-14248-1 5-3 510 28-14250-1 4-1 – ▌ 28-14250-1 8-4 40 ▌ 28-14250-3 8-4 50 28-14251-1 4-1 230 28-14251-2 4-1 240 28-14256-1 4-1 290 28-14257-1 4-1 300 28-14259-1 4-3 150 ▌ 28-14259-3 8-4 160 ▌ 28-14259-3 8-5 480 28-14261-1 4-2 100 ▌ 28-14262-1 8-4 80 28-14265-3 4-4 100 28-14268-1 4-4 – 28-14270-1 4-2 – 28-14276-1 4-4 20 28-14277-1 4-4 30 28-14278-1 4-2 330 ▌ 28-14278-1 8-4 10 28-14279-1 4-2 150 28-14279-3 4-2 150 28-14280-1 4-1 90 28-14280-3 4-1 90 28-14280-5 4-1 90 28-14281-1R 4-1 120 28-14281-3 4-1 120 28-14281-5 4-1 120 28-14282-11 4-2 10 28-14282-13 4-2 10 28-14283-1 4-2 280 28-14290-3 4-1 110 28-14290-5 4-1 110 28-14290-7 4-1 110 28-14290-9 4-1 110 28-14293-11 4-2 180 28-14293-13 4-2 180 28-14293-7 4-2 180 28-14293-9 4-2 180 28-14311-1 4-2 70 28-14313-1 4-2 130 28-14320-15 4-2 170 28-14335-1 4-2 190 28-14356-5 4-4 121 28-14357-3 4-4 10 28-14357-5 4-4 10 28-14358-3 4-4 50 28-14358-4 4-4 120 28-14359-15 4-4 20 28-14359-17 4-4 30 28-14366-1 4-4 210 28-14367-7 4-4 220 28-14368-1 6-11 280 28-14368-2 4-4 230 28-14369-1 4-4 270 28-14370-15 4-4 60 28-14370-17 4-4 60 28-14371-1 4-4 80 28-14372-1 4-4 70 28-14372-3 4-4 70 28-14374-15 4-4 290 28-14375-101 4-4 – 28-14375-105 4-4 – 28-14375-7 4-4 – 28-14375-905 4-4 – 28-14375-906 4-4 – 28-14381-901 4-2.1 100 28-14381-902 4-2.1 60 28-14381-903 4-2 – 28-14382-19 4-2.1 160 28-14382-21 4-2.1 90 28-14383-13 4-2.1 -70 28-14384-13 4-2.1 -120 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxiii May 17/23 28-14385-15 4-2.1 10 28-14386-5 4-2.1 40 28-14389-11 4-2.1 -110 28-14389-13 4-2.1 -80 28-16006-1 3-10 320 28-16011-1 3-11 500 28-16021-11 3-11 370 28-16021-11 3-11 370 28-16022-11 3-11 490 28-16022-11 3-13 10 ▌ 28-16024 8-3 – ▌ 28-16024 8-5 – ▌ 28-16024-911 8-5A – ▌ 28-16024-912 8-5A – ▌ 28-16026-1 8-5 –180A ▌ 28-16026-3 8-5 –180B ▌ 28-16026-5 8-5 –180C ▌ 28-16026-7 8-5 –180D ▌ 28-16026-9 8-5 –180E 28-16030-1 6-14 – 28-16030-3 6-14 – ▌ 28-16043-13 8-3A 280 ▌ 28-16043-15 8-3A 300 ▌ 28-16043-19 8-3A 140 ▌ 28-16056-1 8-5A 50 ▌ 28-16057-1 8-5A 110 28-16069-3 9-4 − 28-16069-5 9-3 – 28-16070-101 9-1 2B 28-16070-101 9-4 120 28-16070-103 9-4 120 28-16070-105 9-4 125 28-16070-5 9-1 2C 28-16070-5 9-3 520 28-16070-7 9-1 2B 28-16070-7 9-4 120 28-16070-9 9-1 2C 28-16070-9 9-3 520 28-16074-11 3-11 280 28-16080-901 3-11 – 28-16087-11 3-11 290 28-16087-13 3-11 390 28-16088-13 3-11 50 28-16096-1 3-11 10 28-16098-11 3-11 170 28-16099-1 9-1 2D ▌ 28-16101-101 8-1 – ▌ 28-16101-105 8-4 − ▌ 28-16101-107 8-3A − ▌ 28-16103-1 8-3A 50 ▌ 28-16105-1 8-3A 30 ▌ 28-16106-2 8-3A 70 ▌ 28-16108-11 8-3A 90 ▌ 28-16108-2 8-3A 90 ▌ 28-16109-1 8-3A 230 ▌ 28-16109-11 8-3A 230 ▌ 28-16109-13 8-3A 240 ▌ 28-16110-1 8-3A 160 ▌ 28-16112-15 8-3A 190 ▌ 28-16112-17 8-3A 190 ▌ 28-16113-1 8-3A 210 ▌ 28-16116-1 8-1 220 ▌ 28-16116-11 8-1 220 ▌ 28-16119-3 8-1 80 ▌ 28-16119-5 8-1 80 ▌ 28-16123-1 8-1 10 ▌ 28-16123-11 8-1 10 ▌ 28-16124-1 8-2 40 ▌ 28-16125-3 8-3A 110 ▌ 28-16125-4 8-3A 120 ▌ 28-16125-5 8-3A 130 ▌ 28-16126-1 8-3A 200 ▌ 28-16129-2 8-2 30 ▌ 28-16131-1 8-3A 220 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxiv May 17/23 ▌ 28-16131-11 8-3A 220 ▌ 28-16132-1 8-3A − ▌ 28-16132-3 8-3A 340 ▌ 28-16132-4 8-3A 330 ▌ 28-16133-1 8-3A 350 ▌ 28-16136-1 8-5 – ▌ 28-16136-101 8-5 – ▌ 28-16136-103 8-5 – ▌ 28-16136-5 8-5 – ▌ 28-16143-1 8-3A 380 ▌ 28-16143-3 8-3A 380 ▌ 28-16145-1 8-5 220 ▌ 28-16148-1 8-5A 40 ▌ 28-16148-3 8-5A 40 ▌ 28-16150-1 8-5A 30 ▌ 28-16155-4 8-5 120 ▌ 28-16155-5 8-5 90 ▌ 28-16156-1 8-3 120 ▌ 28-16156-1 8-5 30 ▌ 28-16157-3 8-5 400 ▌ 28-16157-4 8-5 500 ▌ 28-16158-1 8-5 70 ▌ 28-16159-1 8-5 80 ▌ 28-16160-1 8-5 110 ▌ 28-16160-7 8-5 110 28-16168-1 3-10 160 ▌ 28-16183-1 8-5A 10 ▌ 28-16183-901 8-5A 10 ▌ 28-16190-1 8-5 50 ▌ 28-16191-1 8-5 60 ▌ 28-16192-1 8-5 100 ▌ 28-16197-1 8-3 160 ▌ 28-16197-1 8-5 10 ▌ 28-16198-1 8-3 130 ▌ 28-16198-1 8-5 40 28-162004-11 8-11 260A ▌ 28-16201-1 8-3A 470 ▌ 28-16202-1 8-5 540 28-16203-1 8-11 170 ▌ 28-16203-1 8-3A 480 ▌ 28-16203-1 8-4 60 ▌ 28-16205-1 8-5 290 ▌ 28-16205-5 8-5 290 ▌ 28-16206-11 8-4 20 ▌ 28-16209-1 8-5 490 ▌ 28-16209-11 8-5 –490A ▌ 28-16210-3 8-5 530 ▌ 28-16211-1 8-5 390 28-16215-1 3-10 360 ▌ 28-16217-11 8-5 360 ▌ 28-16217-13 8-5 –360A ▌ 28-16217-15 8-5 –360B ▌ 28-16217-17 8-5 –360C ▌ 28-16217-19 8-5 –360D ▌ 28-16217-21 8-5 –360E ▌ 28-16217-23 8-5 –360F ▌ 28-16218-1 8-5 20 ▌ 28-16219-1 8-3 140 ▌ 28-16220-1 8-5 300 ▌ 28-16220-5 8-5 300 28-16222-1 8-11 260 ▌ 28-16223-19 8-1 210 ▌ 28-16224-5 8-1 230 ▌ 28-16225-19 8-1 240 ▌ 28-16226-5 8-1 200 ▌ 28-16227-3 8-1 160 ▌ 28-16228-1 8-1 50 28-16229-13 8-11 250 28-16229-15 8-11 250 28-16230-1 8-11 240 28-16231-1 8-11 280 28-16232-1 8-11 30 28-16233-1 8-11 180 28-16234-1 8-11 80 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxv May 17/23 28-16235-1 8-11 120 28-16235-11 8-11 120 28-16236-1 8-11 220 28-16236-15 8-11 220 28-16236-17 8-11 220 28-16237-1 8-11 230 28-16237-11 8-11 230 28-16237-13 8-11 230 28-16238-3 8-11 290 28-16238-5 8-11 290 28-16238-7 8-11 290 28-16239-1 8-11 40 28-16239-101 8-11 40 28-16239-5 8-11 40 28-16239-9 8-11 40 28-16242-1 8-11 –320 28-16242-5 8-11 –350 28-16242-7 8-11 –340 28-16242-901 8-11 –310 28-16242-907 8-11 –330 ▌ 28-16253-1 8-3A 460 ▌ 28-16253-101 8-3A 420 ▌ 28-16253-103 8-3A 420 ▌ 28-16253-105 8-3A 460 ▌ 28-16253-6 8-3A 450 ▌ 28-16253-8 8-3A 450 28-16258-1 8-11 200 ▌ 28-16259-1 8-3A 20 ▌ 28-16260-1 8-3A 10 ▌ 28-16263-5 8-1 170 ▌ 28-16264-1 8-3A 40 ▌ 28-16283-4 8-5 340 ▌ 28-16284-1 8-5 330 ▌ 28-16290-2 8-5 320 ▌ 28-16300 12-6A ‒5 ▌ 28-16301-3 12-6B 10A 28-16301-4 12-6A 10 ▌ 28-16301-4 12-6B 10B 28-16301-7 12-6A 10A ▌ 28-16301-7 12-6B 10C 28-16302-1 12-6A 80 28-16307-1 12-6A 110 28-16308-1 12-6A 40 28-16308-1 12-6A 180 ▌ 28-16308-1 12-6B 210 28-16309-1 12-6A 170 28-16310-2 12-6A 30 ▌ 28-16310-2 12-6B 200 28-16311-1 12-6A 20 28-16311-1 12-6A 165 ▌ 28-16311-1 12-6B ‒30 ▌ 28-16311-1 12-6B ‒170 ▌ 28-16311-1 12-6B ‒190 28-16311-1 5-3 350 28-16313-1 12-6A 160 ▌ 28-16313-1 12-6B 150 28-16314-1 12-6A 230 ▌ 28-16314-1 12-6B 180 28-16315-1R 12-6A 230A 28-16317-1R 12-6A 160A 28-16319-1 12-6A 210 ▌ 28-16319-1 12-6B ‒160 28-16320-1 12-6A 120 28-16324 12-6A 110A 28-16325-2 12-6A 120A ▌ 28-16331-1 12-6A 10B ▌ 28-16331-1 12-6B 20 ▌ 28-16336-11 8-3A 440 ▌ 28-16336-11 8-4 60 28-16345-1 12-5 130 28-16348-1 9-5 20 28-16353-3 12-5 50 28-16353-5 12-5 30 ▌ 28-16361-1 8-1 20 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxvi May 17/23 ▌ 28-16361-1 8-3 10 ▌ 28-16374-1 12-6B 140 ▌ 28-16380 12-6B ‒5A ▌ 28-16386-1 8-3A 80 ▌ 28-16387-1 8-1 60 ▌ 28-16389-2 8-3A 150 ▌ 28-16390-11 8-5A –20 ▌ 28-16391-1 12-5 120B ▌ 28-16391-3 12-5 120A ▌ 28-16391-5 12-5 120 28-16392-13 12-5 180 ▌ 28-16392-13 12-6B 60 ▌ 28-16394-2 12-6B 40 ▌ 28-16395-1 12-6B 120 ▌ 28-16396-2 12-6B 10 ▌ 28-16397-11 12-6B 50 ▌ 28-16398 12-5 ‒5 ▌ 28-16398 12-6B ‒5 ▌ 28-16398-901 12-5 120C ▌ 28-16399-13 12-1A 220 28-164001-1 3-10 70 28-16401-1 3-10 220 28-16401-5 3-10 220 28-16403-1 3-10 290 28-16404-1 3-10 300 28-164043-11 3-10 340 28-164043-11 3-14 – 28-164043-11 3-15 – 28-16405-1 3-10 70 28-16407-1 3-10 200 28-16409-13 3-11 60 28-16421-1 3-11 40 28-16447-1 3-10 20 28-16449-1 3-10 350 28-16473-1 3-11 220 28-16473-1 3-11 440 28-16476-2 3-11 150 28-16476-3 3-11 250 28-16477-1 3-11 240 28-16477-2 3-11 300 28-16478-5 3-11 – 28-16479-13 3-11 110 28-16481-5 3-11 – 28-16482-13 3-11 210 28-16484-11 3-11 120 28-16490-101 3-15 70 28-16493-11 3-13 10 28-16493-13 3-13 10 28-16497-1 3-13 20 28-16498-101 3-11 450 28-16498-101 3-13 80 28-16498-7 3-13 80 28-16498-9 3-11 430 28-16498-9 3-11 450 28-16499-9 3-12 100 28-16499-9 3-12 100 28-16504-1 5-5 130 28-16505-1 5-5 200 28-16506-1 5-5 220 28-16515-1 5-5 20 28-16515-3 5-5 30 28-16516-1 5-5 10 28-16516-13 5-5 10 28-16518-1 5-5 160 28-16519-1 5-5 40 28-16520-1 5-1 270 28-16520-1 5-5 50 28-16521-11 5-5 80 28-16522-1 5-5 90 28-16523-1 5-5 – 28-16524-3 5-6 – ▌ 28-16524-3 8-1 180 28-16524-4 5-6 – ▌ 28-16524-4 8-1 180 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxvii May 17/23 28-16524-5 5-6 – ▌ 28-16524-5 8-1 180 28-16524-6 5-6 – ▌ 28-16524-6 8-1 180 28-16524-7 5-6 – ▌ 28-16524-7 8-1 180 28-16524-8 5-6 – ▌ 28-16524-8 8-1 180 28-16525-1 5-5 360 28-16526-1 5-5 370 28-16537-11 5-5 380 28-16537-13 5-5 390 28-16542-11 5-5 240 28-16650-11 6-11 230 28-17302-3 3-2 160 28-17313-1 6-5 70 28-17314-1 6-5 80 28-17316-1 6-5 90 28-180010-11 12-2B 40A 28-180014-1 11-1F – 28-180020-11 11-1F 175 28-180020-11 11-1G 55 28-18020-1 11-5B – ▌ 28-18020-1 12-2B –10 ▌ 28-18020-3 12-2B –10A 28-18020-5 11-5B – ▌ 28-18020-5 12-2B –130 28-18020-7 11-5B – ▌ 28-18020-7 12-2B –240 28-18024-1 12-2B 170 28-18024-5 11-5B 100 ▌ 28-18024-5 12-2B 170 28-18026-1 12-2B 230 28-18026-3 11-5B 120 ▌ 28-18026-3 12-2B 230 28-18027-1 11-5B 85 28-18027-1 12-2B 40 28-18028-1 11-5B 20 28-18028-1 12-2B 250 28-18030-1 11-5B 90 28-18030-1 12-2B 210 28-18031-1 12-2B 30 28-18031-3 11-5B 75 ▌ 28-18031-3 12-2B 30 28-18033-1 11-1F 425 28-18033-1 11-1G 335 28-18033-11 11-4B 75 28-18034-1 11-5B 105 28-18034-1 12-2B 200 28-18060-11 11-1F 25 28-18060-11 11-1G 30 28-18060-13 11-1F 105 28-18060-13 11-1G 35 28-18060-15 11-1F 100 28-18060-15 11-1G 75 28-18061-1 11-1F 330 28-18061-1 11-1G 260 28-18069-31 11-1F 220 28-18069-33 11-1F 235 28-18075-1 3-10 350 28-18081-11 6-3 – 28-18084-1 11-1F – 28-18099-147 11-1F – 28-18099-159 11-1F – 28-18099-171 11-1G – 28-18099-173 11-1G – 28-181001-11 3-22 480 28-181001-11 3-23 500 28-181001-3 3-23 500 28-181002-1 3-22 510 28-181002-1 3-23 530 28-181006-11 3-3 140 28-181007-1 3-3 120 28-181007-3 3-3 120 UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates. ENSTROM F-28/280 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX SECTIONS 3 THROUGH 6, 9, AND 10 FIGURES 7-4C, 7-4D, 8-1 THROUGH 8-5A, 8-11, 11-1F,11-1G, 11-4B, 11-5B, 11-5C, 12-1A THROUGH 12-2B, AND 12-5 THROUGH 12-6A Part Number Figure Item Part Number Figure Item Rev. 9 xxxviii May 17/23 28-181007-5 3-3 120 28-181008- 3-20 – 28-181008- 3-20A – 28-181008- 3-20B – 28-18101-11 11-1F 145 28-18103-3 3-22 480 28-18103-4 3-22 480 28-18103-5 3-22 510 28-18143-11 6-11 260 28-18153-109 11-1F 85 28-18158-1 9-3 – 28-18158-1 9-4 – 28-18158-3 9-3 – 28-18158-3 9-4 – 28-18159-11 9-3 – 28-18159-11 9-4 – 28-18159-13 9-3 – 28-18159-13 9-4 – 28-18161-11 9-3 – 28-18161-11 9-4 – 28-18161-15 9-3 – 28-18161-15 9-4 – 28-18161-17 9-4 – 28-18161-19 9-4 – 28-18162-13 9-3 – 28-18162-13 9-3 – 28-18162-13 9-4 – 28-18162-13 9-4 – 28-18162-14 9-3 – 28-18162-14 9-4 – 28-18162-14 9-4 – 28-18162-14- 9-3 – 28-18162-15 9-3 – 28-18162-15 9-4 – 28-18162-15 9-4 – 28-18162-17 9-3 – 28-18162-17 9-4 – 28-18162-17 9-4 – 28-18164-3 9-3 – 28-18164-3 9-4 – 28-18164-5 9-3 – 28-18164-5 9-4 – 28-18165-5 11-5C 115 28-18166-1 9-3 10 28-18166-1 9-4 10 28-18166-3 9-3 10A 28-18166-3 9-4 10A 28-18166-5 9-4 10A 28-18166-7 9-4 10 28-18167-11 6-12 10 28-18167-13 6-12 10 28-18167-15 6-12 10 28-18167-17 6-12 10 28-18167-19 6-12 10 28-18167-21 6-12 10 28-18167-23 6-12 10 28-18167-25 6-12 10 28-18167-27 6-12 10 28-18167-5 11-5C 15 28-18171-33 11-1F 230 28-18200-1 11-1F 365 28-19001-943 6-4 70 28-19001-948 6-4 60 28-19003 6-1 80 28-19004 6-1 10 28-19016-11 6-2 70 28-19021-10 11-1F 280 28-19021-10 11-1G 200 ▌ 28-19021-13 8-5 –130B ▌ 28-19021-15 8-5 –130A ▌ 28-19021-17 8-5 –150A ▌ 28-19021-19 8-5 –130C ▌ 28-19021-2 8-5 130 ▌ 28-19021-21 8-5 –150B UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED Visit www.enstromhelicopter.com for instructions to order an original manual and to register for email notification of updates.