ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG

Figure Description Page SECTION 7 – DRIVE TRAIN Table of Contents 7-1.2 7-1 Overrunning Clutch Assembly 7-2 7-1.1 Clutch Vent Reservoir Assembly 7-3 7-2 Drive Shaft Assembly 7-4 7-3 Drive System Installation 7-6 7-4 Lower Pulley Assembly (Grease Lubricated) 7-10 7-5 Lower Pulley Assembly (Oil Lubricated) 7-14 7-6 Upper Pulley Assembly ( Keyed Pinion) 7-18 7-6.1 Upper Pulley Assembly (Splined Pinion) 7-20.2 7-7 Main Rotor Transmission Installation 7-22 7-8 Main Rotor Transmission Assembly (Keyed Pinion) 7-24 7-8.1 Main Rotor Transmission Assembly (Splined Pinion) 7-26.2 7-8.2 Main Rotor Transmission Seal Retainer Assembly 7-27.1 7-9 Main Rotor Transmission Filtration/Cooling System 7-28 7-10 Tail Rotor Drive Shaft Installation 7-32 7-11 Tail Rotor Transmission Assembly 7-36 SECTION 8 – ROTOR SYSTEMS Table of Contents 8-1.2 8-1 Main Rotor Hub Assembly - Grease Lubricated 8-2 8-2 Main Rotor Hub Assembly - Oil Lubricated 8-6 8-3 Main Rotor Blade and Retention Assembly 8-10 8-4 Retention Assembly/Flapping Pin Installation 8-16 8-5 Hydraulic Damper Assembly 8-18 8-6 Main Rotor Damper Installation 8-22 8-7 Tail Rotor Assembly 8-24 SECTION 9 – FLIGHT CONTROLS Table of Contents 9-1.2 9-1 Cyclic Stick and Torque Tube Installation 9-2 9-2 Cyclic Control Tube and Bellcrank Installation 9-6 9-3 Cyclic Trim Assembly 9-12 9-4 Collective Stick and Torque Tube Installation 9-16 9-5 Collective Control Tube and Bellcrank Installation 9-18 9-6 Collective Stick – Pilot (SN 5135 and Prior) 9-20 9-7 Collective Stick – Copilot (SN 5135 and Prior) 9-22 9-7.1 Collective Stick – Pilot (SN 5136 and Subs) 9-23.1 9-7.2 Collective Stick – Copilot (SN 5136 and Subs) 9-23.5 9-8 Collective Trim Assembly 9-24 9-9 Collective Friction Assembly 9-28 9-10 Lower Swashplate Assembly Installation 9-30 9-11 Lower Swashplate Assembly 9-32 9-12 Upper Swashplate Assembly and Controls 9-34 9-13 Main Rotor Pitch Change Controls 9-38 9-14 Tail Rotor Control System 9-40 9-15 Tail Rotor Rotating Controls 9-48 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG Rev. 19 vi Jul 22/25 TABLE OF CONTENTS Figure Description Page SECTION 10 – ELECTRICAL/INSTRUMENT SYSTEMS Table of Contents 10-1.2 10-1 TH-28 Instrument Panel Equipment Installation 10-2 10-2 480 Standard Instrument Panel Equipment Installation 10-8 10-3 480 (Optional)/480B Instrument Panel Equipment Installation 10-16 10-4 480B Instrument Panel Equipment Installation 10-22 10-5 TH-28 Circuit Breaker Panel 10-30 10-6 480 Circuit Breaker Panel 10-32 10-7 480 Optional Circuit Breaker Panel 10-34 10-8 480B Circuit Breaker Panel 10-36 10-9 480B Circuit Breaker Panel 10-38 10-10 Pedestal Miscellaneous Equipment 10-44 10-11 Outside Air Temperature (OAT) Gauge Installation 10-46 10-12 NiCad Battery Tray Installation 10-48 10-13 Standard Battery Tray Installation 10-50 10-14 Battery Installation 10-54 10-15 Aft Battery Installation 10-56 10-16 Electrical Component Installation (Right Side Backwall) 10-58 10-17 Electrical Component Installation Relays Only (Right Side Backwall) 10-61 10-18 Electrical Components - Keel Installation 10-66 10-19 Generator Control Unit/T9 Terminal Strip Installation 10-72 10-20 Engine Oil Pressure and Torque Indication System 10-74 10-21 Engine T.O.T. Harness Terminal Block 10-76 10-22 Fire Detector Installation 10-78 10-23 Low Rotor Warning and Micro Switch Installation 10-80 10-23.1 Hi/Lo Rotor RPM Switch Installation 10-83.1 10-24 TH-28 Chip Detector Program Continuity Sensor Installation 10-84 10-24.1 480/480B Programmed Continuity Sensors – Engine and Main Rotor Transmission Chip Detectors 10-86.2 10-24.2 480/480B Programmed Continuity Sensor – Tail Rotor Transmission Chip Detector 10-86.6 10-25 Bearing Temperature Warning System (Grease Lubricated) 10-88 10-26 Bearing Temperature Warning System (Oil Lubricated) 10-90 10-27 Engine Air Inlet Pressure System 10-94 10-28 Landing Light Assembly Installation. 10-98 10-29 LED Landing Light Assembly Installation 10-100 10-30 Position/Anti-Collision Light Installation 10-104 10-31 Position/Anti-Collision Light Assembly 10-106 10-32 Position/Anti-Collision LED Light Assembly 10-108 10-33 Static Port and Pitot Tube Installation 10-110 10-34 Static and Pitot Line Installation 10-114 10-35 Instrument Console Shroud Installation 10-118 10-36 KMA 24H-71 Audio Panel Installation 10-120 10-37 GTX 327 Transponder Installation 10-124 10-38 GTX 327 Antenna Installation Forward (Preferred) Location 10-128 10-39 GTX 327 Antenna Installation Aft (Alternate) Location 10-132 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG Rev. 19 vii Jul 22/25 TABLE OF CONTENTS Figure Description Page SECTION 11 – UTILITY SYSTEMS Table of Contents 11-1.2 11-1 Bleed Air Heater and Defroster Installation 11-2 11-2 Heater and Defroster Valve Assemblies 11-8 11-3 Heater Manifold Assembly 11-10 11-4 Fresh Air Ventilation Installation 11-12 11-5 Fresh Air Ventilation Installation 11-16 11-6 Overhead Console Vent/Light Assembly 11-20 APPENDIX A – EQUIVALENT PARTS Table of Contents A-3 Introduction A-4 Equivalent Parts Tables A-4 APPENDIX B – HARDWARE SUBSTITUTIONS Cover Page B-1 Table of Contents B-1 Introduction B-2 Acceptable Substitution Conditions B-2 Hardware Tables B-2 Table A – Bolts B-3 Table B – Screws B-5 Table C – Nuts B-6 Table D – Nut Plates B-7 Table E – Solid Rivets B-8 Table F – Blind Rivets B-9 Table G – Washers B-9 Table H – Rivnuts B-10 Table I – Turnbuckles B-11 Table J – Grommets B-11 Table K – Cotter Pins B-11 Table L – Clamps (Nylon) B-12 Table M – Cable Ties B-12 Table N – U-Channel (Rubber) B-13 Table O – Shrink Tubing B-13 Table P – Ring Tongue Terminals B-14 Table Q – Retaining Rings B-15 Table R – Cushioned Clamps B-15 Table S – Plusnuts B-15 Table T – Solder Sleeve Shield Terminator B-15 Table U – Plug, Pipe – Countersink Hex Head B-15 Table V – Clip Nut B-15 Table W – Plug and Bleeder – Screw Thread B-15 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG Rev. 19 viii Jul 22/25 TABLE OF CONTENTS Figure Description Page Table X – Pin, Retaining, Safety B-15 Table Y – Quarter Turn Fastener B-15 Table Z – Quick Disconnect Terminal B-15 Table AA – Plug (BNC, TNC, N) B-15 Table AB – Roll Pin B-15 Table AC – Sleeve, Coupling B-15 Table AD – Clevis Pin B-15 Table AE – Quarter (1/4) Turn Fastener Receptacle B-16 Table AF – Sleeve, Flared Tube Fitting B-16 ▌ Table AG – 3.5 mm Phone Jack B-16 ▌ Table AH – Grease Fitting B-16 ▌ Table AI – Washers, Extended AN960 Listing B-17 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 ix Jul 22/25 ▌ i No Date ▌ ii Jul 22/25 ▌ iii Jul 22/25 ▌ iv Jul 22/25 ▌ v Jul 22/25 ▌ vi Jul 22/25 ▌ vii Jul 22/25 ▌ viii Jul 22/25 ▌ ix Jul 22/25 ▌ x Jul 22/25 ▌ xi Jul 22/25 ▌ xii Jul 22/25 ▌ xiii Jul 22/25 ▌ xiv Jul 22/25 ▌ xv Jul 22/25 ▌ xvi Jul 22/25 ▌ xvii Jul 22/25 ▌ xviii Jul 22/25 ▌ xix Jul 22/25 ▌ xx Jul 22/25 ▌ xxi Jul 22/25 ▌ xxii Jul 22/25 ▌ xxiii Jul 22/25 ▌ xxiv Jul 22/25 ▌ xxv Jul 22/25 ▌ xxvi Jul 22/25 ▌ xxvii Jul 22/25 ▌ xxviii Jul 22/25 ▌ xxix Jul 22/25 ▌ xxx Jul 22/25 ▌ xxxi Jul 22/25 ▌ xxxii Jul 22/25 ▌ xxxiii Jul 22/25 ▌ xxxiv Jul 22/25 ▌ xxxv Jul 22/25 ▌ xxxvi Jul 22/25 ▌ xxxvii Jul 22/25 ▌ xxxviii Jul 22/25 ▌ xxxix Jul 22/25 ▌ xl Jul 22/25 ▌ xli Jul 22/25 ▌ xlii Jul 22/25 ▌ xliii Jul 22/25 ▌ xliv Jul 22/25 ▌ xlv Jul 22/25 ▌ xlvi Jul 22/25 ▌ xlvii Jul 22/25 ▌ xlviii Jul 22/25 ▌ xlix Jul 22/25 ▌ l Jul 22/25 ▌ li Jul 22/25 ▌ lii Jul 22/25 ▌ Iiii Jul 22/25 ▌ Iiv Jul 22/25 ▌ Iv Jul 22/25 ▌ Ivi Jul 22/25 ▌ Ivii Jul 22/25 ▌ Iviii Jul 22/25 ▌ lix Jul 22/25 ▌ lx Jul 22/25 ▌ lxi Jul 22/25 ▌ lxii Jul 22/25 ▌ lxiii Jul 22/25 ▌ lxiv Jul 22/25 ▌ lxv Jul 22/25 ▌ lxvi Jul 22/25 ▌ lxvii Jul 22/25 ▌ lxviii Jul 22/25 ▌ lxix Jul 22/25 ▌ lxx Jul 22/25 ▌ lxxi Jul 22/25 ▌ lxxii Jul 22/25 ▌ lxxiii Jul 22/25 ▌ lxxiv Jul 22/25 ▌ lxxv Jul 22/25 ▌ lxxvi Jul 22/25 ▌ lxxvii Jul 22/25 ▌ lxxviii Jul 22/25 ▌ lxxix Jul 22/25 ▌ lxxx Jul 22/25 ▌ lxxxi Jul 22/25 ▌ lxxxii Jul 22/25 ▌ lxxxiii Jul 22/25 ▌ lxxxiv Jul 22/25 ▌ lxxxv Jul 22/25 ▌ lxxxvi Jul 22/25 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 x Jul 22/25 ▌ lxxxvii Jul 22/25 ▌ lxxxvii Jul 22/25 ▌ lxxxviii Jul 22/25 ▌ lxxxix Jul 22/25 ▌ lxxxx Jul 22/25 ▌ lxxxxi Jul 22/25 ▌ lxxxxii Jul 22/25 ▌ lxxxxiii Jul 22/25 ▌ lxxxxiv Jul 22/25 ▌ lxxxxv Jul 22/25 ▌ lxxxxiv Jul 22/25 ▌ lxxxxv Jul 22/25 ▌ lxxxxvi Jul 22/25 ▌ lxxxxvii Jul 22/25 ▌ lxxxxviii Jul 22/25 ▌ lxxxxix Jul 22/25 ▌ xc Jul 22/25 ▌ xci Jul 22/25 ▌ xcii Jul 22/25 ▌ xciii Jul 22/25 ▌ xciv Jul 22/25 ▌ xcv Jul 22/25 ▌ xcvi Jul 22/25 ▌ xcvii Jul 22/25 ▌ xcviii Jul 22/25 ▌ xcix Jul 22/25 ▌ c Jul 22/25 ▌ ci Jul 22/25 ▌ cii Jul 22/25 ▌ ciii Jul 22/25 ▌ civ Jul 22/25 ▌ cv Jul 22/25 ▌ cvi Jul 22/25 ▌ cvii Jul 22/25 ▌ cviii Jul 22/25 ▌ cix Jul 22/25 ▌ cx Jul 22/25 ▌ cxi Jul 22/25 ▌ cxii Jul 22/25 1-1 Jul 31/12 1-1.1 Dec 20/13 1-1.2 Nov 28/22 1-2 Sep 27/18 1-3 Sep 27/18 1-4 Sep 27/18 2-1 Dec 20/13 2-1.1 Dec 20/13 2-1.2 Nov 28/22 2-2 Jul 22/2020 2-3 Jul 31/12 2-4 Jul 31/12 3-1 Aug 13/07 3-1.1 Dec 20/13 3-1.2 May 28/24 3-2 Jul 31/12 3-3 Jul 31/12 3-4 Jul 31/12 3-5 May 28/24 3-6 May 28/24 3-7 Jul 31/12 3-8 Dec 20/13 3-9 Jul 31/12 ▌ 3-10 Jul 22/25 ▌ 3-11 Jul 22/25 ▌ 3-12 Jul 22/25 ▌ 3-13 Jul 22/25 ▌ 3-14 Jul 22/25 ▌ 3-15 Jul 22/25 ▌ 3-15.1 Jul 22/25 ▌ 3-15.2 Jul 22/25 3-16 Dec 20/13 3-17 Jul 31/12 3-18 Jul 31/12 3-19 Jul 22/2020 3-20 Jul 22/2020 3-21 Jul 31/12 3-22 Oct 30/15 3-23 Oct 30/15 3-23.1 Oct 30/15 3-23.2 Oct 30/15 3-24 Jul 31/12 3-25 Dec 3/19 3-25.1 Feb 1/13 3-25.2 Feb 1/13 3-25.3 Feb 1/13 3-25.4 May 28/24 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xi Jul 22/25 3-25.5 May 28/24 3-25.6 May 28/24 3-25.6.1 May 28/24 3-25.6.2 May 28/24 3-25.7 Feb 1/13 3-25.8 May 28/24 3-25.9 Feb 1/13 3-25.10 Feb 1/13 3-25.11 May 28/24 ▌ 3-25.12 Jul 22/25 3-25.13 May 28/24 3-25.14 Feb 1/13 3-26 Feb 1/13 3-27 Feb 1/13 3-28 May 28/24 3-29 Jul 31/12 3-30 Feb 1/13 3-31 May 28/24 3-32 Oct 30/15 3-33 May 28/24 3-34 May 28/24 3-35 May 28/24 3-36 Sep 2/16 3-37 Jul 22/2020 3-38 Sep 2/16 3-39 Sep 2/16 3-40 Jul 31/12 3-41 Oct 30/15 3-42 Oct 30/15 3-43 Jul 31/12 3-44 Sep 2/16 3-45 Jul 31/12 3-46 Jul 31/12 3-47 May 9/18 3-48 Jul 31/12 3-49 Dec 3/19 3-50 Dec 3/19 3-51 Oct 30/15 3-52 Jul 31/12 3-53 Jul 31/12 3-54 Jul 31/12 3-55 May 28/24 3-56 Sep 2/16 3-57 May 28/24 3-58 Jul 31/12 3-59 Dec 3/19 3-60 Sep 2/16 3-61 Jul 31/12 3-62 Dec 20/13 3-63 Jul 31/12 3-64 Sep 2/16 3-65 Jul 31/12 3-66 Sep 2/16 3-67 Sep 2/16 3-68 Dec 3/19 3-69 Jul 31/12 3-70 Jul 31/12 3-71 May 28/24 3-72 Jul 31/12 3-73 Jul 31/12 3-74 May 28/24 3-75 Feb 1/13 3-76 May 28/24 3-77 May 28/24 3-78 May 28/24 3-79 May 28/24 3-80 Sep 2/16 3-81 May 28/24 3-82 May 28/24 ▌ 3-83 Jul 22/25 3-84 May 28/24 3-85 May 28/24 3-86 May 28/24 3-87 May 28/24 3-88 May 28/24 3-89 May 28/24 3-90 May 28/24 3-91 May 28/24 3-92 May 28/24 4-1 Nov 16/01 4-1.1 Dec 20/13 4-1.2 Nov 28/22 4-2 Jan 30/12 4-3 May 28/24 4-3.1 May 28/24 4-3.2 May 28/24 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xii Jul 22/25 4-4 Oct 30/15 4-5 May 28/24 4-6 May 28/24 4-7 May 28/24 4-8 Jul 31/12 4-9 Oct 30/15 4-10 Jul 31/12 4-11 May 28/24 4-12 May 28/24 4-13 Jul 31/12 4-14 Jul 31/12 4-15 May 28/24 ▌ 4-16 Jul 22/25 4-17 May 28/24 4-18 Jul 31/12 4-19 Oct 30/15 4-20 Jul 31/12 5-1 Nov 16/01 5-1.1 Dec 20/13 5-1.2 Nov 28/22 5-2 Nov 28/22 ▌ 5-3 Jul 22/25 5-4 May 28/24 ▌ 5-5 Jul 22/25 5-6 May 28/24 5-7 Nov 28/22 5-8 May 28/24 5-9 Nov 28/22 5-10 May 28/24 5-11 May 28/24 5-12 May 28/24 5-13 May 28/24 5-14 May 9/18 5-15 Oct 30/15 5-16 Feb 1/13 5-17 Oct 30/15 5-18 Oct 30/15 5-19 Feb 1/13 5-20 Nov 28/22 5-21 Nov 28/22 5-22 Nov 28/22 5-23 Nov 28/22 ▌ 5-24 Jul 22/25 5-25 Feb 1/13 5-26 Feb 1/13 5-27 May 9/18 5-28 Nov 28/22 5-29 Feb 1/13 5-30 Nov 28/22 5-31 Nov 28/22 5-32 Feb 1/13 5-33 Feb 1/13 5-34 Feb 1/13 5-35 Dec 20/13 5-36 Dec 20/13 5-37 Dec 20/13 5-38 Dec 20/13 5-39 Feb 1/13 5-40 Feb 1/13 5-41 Oct 30/15 5-42 Feb 1/13 5-43 Feb 1/13 5-44 Feb 1/13 5-45 Feb 1/13 ▌ 5-46 Jul 22/25 5-47 Oct 30/15 5-48 Feb 1/13 5-49 Feb 1/13 5-50 May 9/18 5-51 Oct 30/15 5-52 Feb 1/13 6-1 Nov 16/01 6-1.1 Dec 20/13 6-1.2 Nov 28/22 6-2 Sep 27/18 6-3 Dec 15/10 6-4 Nov 16/01 6-5 Sep 27/18 6-6 Sep 27/18 6-7 May 28/24 6-8 May 28/24 6-9 May 28/24 6-10 May 28/24 6-11 May 28/24 6-11.1 Jul 22/2020 6-11.2 Oct 30/15 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xiii Jul 22/25 6-11.3 May 28/24 6-11.4 Sep 27/18 6-11.5 Jul 22/2020 ▌ 6-11.6 Jul 22/25 ▌ 6-11.7 Jul 22/25 6-11.8 May 28/24 6-12 Jan 30/12 6-13 May 28/24 6-14 Dec 3/19 6-15 Dec 3/19 6-16 Dec 3/19 6-17 May 28/24 6-17.1 May 28/24 6-17.2 May 28/24 6-17.3 May 28/24 6-17.4 May 28/24 6-18 May 28/24 6-19 Feb 1/13 6-19.1 May 28/24 6-19.2 May 28/24 6-20 Oct 30/15 6-21 May 28/24 6-22 Jan 30/12 6-23 Sep 2/16 6-24 Sep 2/16 6-25 Sep 2/16 6-26 Sep 2/16 6-27 Oct 30/15 6-28 Jan 30/12 6-29 Dec 3/19 6-30 Jan 30/12 6-31 Dec 3/19 6-32 Jan 30/12 6-33 Oct 30/15 6-34 May 28/24 6-35 Sep 2/16 6-35.1 Oct 30/15 6-36 Jul 29/11 6-37 Jul 31/12 6-38 Dec 20/13 6-39 May 28/24 6-40 May 28/24 ▌ 6-41 Jul 22/25 6-41.1 May 28/24 6-42 Sep 27/18 6-43 May 28/24 6-44 May 28/24 6-45 May 28/24 ▌ 6-46 Jul 22/25 6-47 May 28/24 6-48 Dec 20/13 6-49 May 28/24 6-50 May 28/24 6-51 Jan 30/12 6-52 Oct 30/15 6-52.1 Oct 30/15 6-53 Oct 30/15 6-53.1 Oct 30/15 6-54 Jan 30/12 6-55 Oct 30/15 6-56 Oct 30/15 7-1 Aug 13/07 7-1.1 Dec 20/13 7-1.2 Nov 28/22 7-2 Oct 30/15 7-2.1 Oct 30/15 7-2.2 May 28/24 7-2.3 May 28/24 7-3 Dec 20/13 7-3.1 May 9/18 7-3.2 May 9/18 7-3.3 Oct 30/15 7-4 Aug 13/07 7-5 Oct 30/15 7-6 Dec 3/19 7-7 Oct 30/15 7-8 Oct 30/15 7-9 Nov 16/01 7-10 Nov 16/01 ▌ 7-11 Jul 22/25 7-12 Sep 27/18 7-13 Nov 16/01 7-14 Dec 20/13 7-15 Sep 27/18 7-16 Sep 27/18 7-17 Nov 11/02 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xiv Jul 22/25 7-18 Feb 1/13 7-19 Sep 2/16 ▌ 7-20 Jul 22/25 7-20.1 Nov 11/02 7-20.2 Feb 1/13 ▌ 7-21 Jul 22/25 7-22 Aug 13/07 7-23 Jan 30/12 7-24 Oct 30/15 7-25 Dec 3/19 7-26 May 28/24 7-26.1 Jul 22/2020 7-26.2 Oct 30/15 7-26.3 Dec 3/19 ▌ 7-26.4 Jul 22/25 ▌ 7-27 Jul 22/25 7-27.1 Dec 3/19 7-27.2 Dec 3/19 7-28 Dec 3/19 7-29 Dec 3/19 7-30 May 28/24 7-31 May 28/24 7-31.1 May 28/24 7-31.2 Dec 3/19 7-32 Aug 13/07 ▌ 7-33 Jul 22/25 7-34 Oct 30/15 7-35 Oct 30/15 7-36 Oct 30/15 7-37 Jul 22/2020 7-38 Jul 22/2020 8-1 Jul 13/05 8-1.1 Dec 20/13 8-1.2 Nov 28/22 8-2 Oct 30/15 8-3 Oct 30/15 ▌ 8-4 Jul 22/25 ▌ 8-5 Jul 22/25 8-6 Oct 30/15 8-7 Oct 30/15 ▌ 8-8 Jul 22/25 8-9 May 9/18 8-10 Jul 31/12 8-11 Feb 1/13 ▌ 8-12 Jul 22/25 ▌ 8-13 Jul 22/25 8-14 May 28/24 8-15 May 28/24 8-16 Jul 13/05 8-17 Jan 30/12 8-18 Jul 13/05 8-19 May 28/24 8-20 May 28/24 8-21 Aug 13/07 8-22 Jan 30/12 8-23 Dec 3/19 8-24 Jan 30/12 8-25 Jul 22/2020 8-26 Jul 22/2020 9-1 Nov 16/01 9-1.1 Dec 20/13 9-1.2 Nov 28/22 9-2 Feb 1/13 9-2.1 Feb 1/13 9-2.2 Jul 31/12 9-3 May 28/24 9-4 May 28/24 9-5 May 28/24 9-6 May 28/24 9-7 Jul 31/12 9-8 May 9/18 9-9 May 28/24 9-10 May 28/24 9-11 May 28/24 9-12 Feb 1/13 9-13 Sep 27/18 9-14 May 9/18 9-15 Nov 16/01 9-16 Oct 30/15 9-17 May 28/24 9-17.1 May 28/24 9-17.2 Jan 30/12 9-18 Oct 30/15 9-19 Oct 30/15 9-19.1 Jul 31/12 9-19.2 Jul 31/12 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xv Jul 22/25 9-20 Feb 1/13 9-21 May 9/18 9-21.1 May 9/18 9-21.2 Jul 29/11 9-22 Feb 1/13 9-23 Oct 30/15 9-23.1 Oct 30/15 9-23.2 Oct 30/15 9-23.3 Oct 30/15 9-23.4 Jan 30/12 9-23.5 Oct 30/15 9-23.6 Oct 30/15 9-23.7 Oct 30/15 9-23.8 Oct 30/15 9-24 Nov 16/01 9-25 Dec 3/19 9-26 Dec 20/13 9-27 Nov 16/01 9-28 Nov 16/01 9-29 Jul 29/11 9-30 Nov 16/01 9-31 Oct 30/15 9-32 Sep 2/16 ▌ 9-33 Jul 22/25 9-33.1 Dec 20/13 9-33.2 Dec 20/13 9-34 Dec 15/10 ▌ 9-35 Jul 22/25 ▌ 9-36 Jul 22/25 9-37 May 28/24 9-38 Dec 3/19 ▌ 9-39 Jul 22/25 9-40 Oct 30/15 9-41 Oct 30/15 9-42 Oct 30/15 9-43 Oct 30/15 9-44 May 28/24 9-45 May 28/24 ▌ 9-46 Jul 22/25 ▌ 9-47 Jul 22/25 ▌ 9-47.1 Jul 22/25 9-47.2 Oct 30/15 9-48 Nov 28/22 9-49 Sep 27/18 9-50 May 28/24 9-51 May 28/24 9-52 May 28/24 10-1 Nov 16/01 10-1.1 Dec 20/13 10-1.2 May 28/24 10-2 Sep 2/16 10-3 Sep 2/16 10-4 Jul 31/12 10-5 Jul 31/12 10-6 Nov 28/22 10-7 Nov 28/22 10-8 Sep 2/16 10-9 Sep 2/16 10-10 Jul 31/12 10-11 Jul 31/12 10-12 Jul 31/12 10-13 Feb 1/13 10-14 Nov 28/22 10-15 Jul 13/05 10-16 Sep 2/16 10-17 Sep 2/16 10-18 Jul 31/12 10-19 Jul 31/12 10-20 Jan 30/12 10-21 Nov 28/22 10-22 Sep 2/16 10-23 Sep 2/16 10-24 Sep 2/16 10-24.1 Oct 30/15 10-25 Sep 2/16 10-26 Sep 2/16 10-27 Sep 2/16 ▌ 10-28 Jul 22/25 ▌ 10-29 Jul 22/25 ▌ 10-29.1 Jul 22/25 10-30 Jul 31/12 10-31 Nov 28/22 10-32 Jul 31/12 10-33 Nov 28/22 10-34 Jul 31/12 10-35 Feb 1/13 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xvi Jul 22/25 10-36 Jul 31/12 10-37 May 28/24 10-38 Jul 31/12 10-39 Jul 31/12 10-40 Jul 31/12 10-41 May 28/24 10-42 May 28/24 10-43 May 28/24 10-44 Jul 31/12 10-45 May 28/24 10-46 Sep 2/16 10-47 Jul 31/12 10-48 Jul 31/12 10-49 May 28/24 10-50 May 28/24 ▌ 10-51 Jul 22/25 ▌ 10-52 Jul 22/25 10-53 Jul 31/12 10-54 Jul 31/12 10-55 Dec 20/13 10-56 Jul 31/12 10-57 Jul 31/12 10-58 Jul 31/12 ▌ 10-59 Jul 22/25 ▌ 10-60 Jul 22/25 10-61 Jul 31/12 10-62 May 28/24 10-63 May 28/24 10-64 Oct 30/15 10-65 Jul 31/12 10-66 Jul 31/12 10-67 Jul 31/12 10-68 Jul 31/12 10-69 Feb 1/13 10-70 Oct 30/15 10-71 Oct 30/15 10-72 Jul 31/12 10-73 Dec 20/13 10-74 Jul 31/12 10-75 Oct 30/15 10-76 Jul 31/12 10-77 Oct 30/15 10-78 Jul 22/2020 10-79 Jul 22/2020 10-80 Oct 30/15 10-81 Oct 30/15 10-82 Oct 30/15 10-83 Oct 30/15 10-83.1 May 28/24 10-83.2 May 28/24 10-84 Feb 1/13 10-85 Feb 1/13 10-86 Feb 1/13 10-86.1 Feb 1/13 10-86.2 Feb 1/13 10-86.3 Oct 30/15 10-86.4 Oct 30/15 10-86.5 Feb 1/13 10-86.6 Oct 30/15 10-86.7 Feb 1/13 10-86.8 Oct 30/15 10-87 Jul 31/12 10-88 Jul 31/12 10-89 Oct 30/15 10-90 May 9/18 10-91 Jul 31/12 10-92 May 9/18 10-93 Jul 31/12 10-94 Jul 31/12 10-95 Jul 31/12 10-96 Oct 30/15 10-97 Jul 31/12 10-98 Jul 31/12 10-99 Jul 31/12 10-100 Dec 20/13 10-101 Dec 3/19 10-102 Dec 3/19 10-103 Jul 31/12 10-104 Jul 31/12 10-105 May 9/18 10-106 Jul 31/12 10-107 May 9/18 10-108 Jul 31/12 10-109 May 9/18 10-110 May 28/24 10-111 May 28/24 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG EFFECTIVE PAGE LIST Page Date Page Date Rev. 19 xvii Jul 22/25 10-112 May 28/24 10-113 May 28/24 10-114 Jul 31/12 10-115 Jul 31/12 10-116 Feb 1/13 10-117 Jul 31/12 10-118 Jul 31/12 10-119 Oct 30/15 10-120 Feb 1/13 10-121 Feb 1/13 10-122 Feb 1/13 10-123 Feb 1/13 10-124 Oct 30/15 10-125 Jul 31/12 10-126 Oct 30/15 10-127 Jul 31/12 10-128 Jul 31/12 10-129 Jul 31/12 10-130 Jul 31/12 10-131 Jul 31/12 10-132 Jul 31/12 10-133 Jul 31/12 10-134 Jul 31/12 11-1 Nov 16/01 11-1.1 Dec 20/13 11-1.2 Nov 28/22 11-2 Nov 16/01 11-3 Oct 30/15 11-4 Oct 30/15 ▌ 11-5 Jul 22/25 11-6 May 28/24 11-7 Nov 16/01 11-8 Jul 31/12 11-9 May 28/24 11-9.1 May 28/24 11-9.2 Jul 31/12 11-10 Nov 16/01 11-11 May 28/24 11-12 Jan 30/12 11-13 Jan 30/12 11-14 Dec 3/19 11-15 Jan 30/12 11-16 Aug 16/13 11-17 Jan 30/12 11-18 May 28/24 11-19 May 28/24 11-20 Jan 30/12 11-21 Oct 30/15 11-22 Jul 22/2020 11-23 Oct 30/15 11-24 Jul 31/12 A-1 Jan 30/12 A-2 Sep 20/13 A-3 Nov 28/22 A-4 Oct 30/15 A-5 Oct 30/15 A-6 Dec 3/19 A-7 Dec 3/19 A-8 Sep 20/13 ▌ B-1 Jul 22/25 B-2 May 28/24 B-3 May 28/24 B-4 May 28/24 B-5 May 28/24 B-6 May 28/24 B-7 May 28/24 B-8 May 28/24 B-9 May 28/24 B-10 May 28/24 B-11 May 28/24 B-12 May 28/24 B-13 May 28/24 B-14 May 28/24 B-15 May 28/24 ▌ B-16 Jul 22/25 ▌ B-17 Jul 22/25 ▌ B-18 Jul 22/25 ▌ B-19 Jul 22/25 ▌ B-20 Jul 22/25 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xviii Jul 22/25 008-00041-0001 10-36 – 010-00188-03 10-37 10 01-0770028-05 10-30 1 01-0770119-15 10-1 31 01-0770119-15 10-2 31 01-0770119-15 10-3 24 01-0770119-15 10-4 26 01-0770119-15 10-5 5 01-0770119-15 10-6 5 01-0771424-20 10-28 5 01-0790006-01 10-30 4 01-0790006-01 10-31 – 01-0790006-01 3-8 26 01-0790006-01 App A – 01-0790006-03 10-30 4 01-0790006-03 10-31 – 01-0790006-03 3-8 25 01-0790006-03 App A – 01-0790340-03 10-30 4 01-0790340-03 10-32 10 01-0790340-03 3-8 26 01-0790340-04 10-30 4 01-0790340-04 10-32 11 01-0790340-04 3-8 25 01-1030-H-A-P 10-29 40 01-1030-H-A-P Rev A 10-29 40 01-1030-H-A-P Rev B 10-29 40 01-1030-H-A-P Rev C 10-29 40 01-691-04 9-15 27 01-691-05 9-13 10 02-0250276-00 10-31 8 02-0250276-00 App A – 02-0350259-00 10-31 1 02-0350259-00 App A – 02-0350260-00 10-31 3 02-0350260-00 App A – 020-986-001 5-3 20 030-01094-0077 10-36 – 030-01107-0048 10-36 – 034921-01 5-12 – 038088-08 6-9 35 038088-08-80 6-9 35 0402-005 6-1 16 047-05860-0001 10-36 – 050-01780-0003 10-36 6 0660-1055-0071 10-36 1 089-02013-0037 10-36 – 089-02051-0024 10-36 – 089-02191-0022 10-36 – 089-02353-0001 10-36 – 089-05903-0007 10-36 – 089-05907-0012 10-36 – 089-06012-0008 10-36 – 08DU App A – 08DU08 9-11 15 091-00072-0003 10-36 – 09-DU-12 9-3 22 #1 5-5 55 1-480319-0 6-1 – 1/2 X8 App A – 1/2 X 8 PK 3-2 – 1/4 Harper 3-6.1 100 1/4 Harper 3-23 400 1/4 Harper 6-12 30 1/4 Harper 8-7 27 1/4 Harper 9-10 3 1/4 Harper 9-8 10 1/4 Harper 9-8 21 1/8 X 832 11-5 90 1/8 X 832 5-8 – 1/8X832 5-11 290 10065 App A – ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xix Jul 22/25 102 3-3 – 102-00007 7-8 38 102-00007 7-8.1 34 1040 10-1 5 1040 10-2 5 1040 10-3 5 1040 10-4 5 1053 11-1 27 105CPOLYKEN 3-19 – 10-796-00 11-4 14 10-796-00 11-5 340 108FR 3-19 – 10-DU-10 6-7.2 21 10-DU-10 9-4 3 10-DU-10 9-4 5 1102 7-8 27 1102 7-8.1 24 11052 7-2 5 11052 7-2 5 1117067-05 3-18 29 1117067-07 3-18 28 1157 11-6 40 11-691-04 9-15 24 11-691-05 9-13 14 1-172165-9 10-4 32 11TS15-2 10-1 23 11TS15-2 10-2 23 11TS15-2 10-7 2 11TS15-2 10-8 2 11TS15-2 10-9 2 11TS15-2 10-9 2 1219-4200-Z3Y 3-2 – 1219-4200-Z3Y 3-2 – 1219-4200-Z3Y 3-2 – 1219-4200-Z3Y 3-2 – 1219-4200-Z3Y 6-11 18 1219-4200-Z3Y 6-12 20 1219-4200-Z3Y App A – 1238716 5-2 260 124F003-4CR0210 6-1 64 12500750-125B 8-5 14 13241-LDS 7-8 25 1357 3-23 – 13AT401-T2 9-6 30 13AT401-T2 9-7 24 13AT401-T2 9-7.1 14 13AT401-T2 9-7.2 14 14-0050508-27 10-32 9 14399-001 10-1 18 14399-001 10-2 18 14399-001 10-3 18 14399-001 10-4 18 14399-002 10-1 17 14399-002 10-2 17 14399-002 10-3 17 14399-002 10-4 17 14399-003 10-1 16 14399-003 10-2 16 14399-003 10-3 16 14399-003 10-4 16 1-480303-0 10-37 80 1-480305-0 10-37 90 1-480318-0 10-1 – 1-480318-0 10-1 – 1-480318-0 10-1 – 1-480318-0 10-1 – 1-480318-0 10-2 – 1-480318-0 10-2 – 1-480318-0 10-2 – 1-480318-0 10-2 – 1-480318-0 10-2 – 1-480318-0 10-3 – 1-480318-0 10-3 – 1-480318-0 10-4 – ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xx Jul 22/25 1-480318-0 10-4 – 1-480319-0 10-1 – 1-480319-0 10-1 – 1-480319-0 10-1 – 1-480319-0 10-1 – 1-480319-0 10-2 – 1-480319-0 10-2 – 1-480319-0 10-2 – 1-480319-0 10-2 – 1-480319-0 10-2 – 1-480319-0 10-29 – 1-480319-0 10-3 – 1-480319-0 10-3 – 1-480319-0 10-4 – 1-480319-0 10-4 – 1-480319-0 5-7 – 1-480319-0 7-9 – 1-480424-0 6-7.3 70 1-480426-0 10-18 – 14809 7-1 2 14809 7-1.1 12 14809 App A – 1495 10-1 – 150SG1009-5 6-1 – 150SG1009-5 6-1 – 150SG1040 6-1 53 150SG1040 6-1 53 150SG1108 6-1 52 150SG1108 6-1 52 150SG117Q-3 6-1 51 150SG117Q-3-1 6-1 51 150SG117Q-4 6-1 51 150SG117Q-4-1 6-1 51 1539-001 7-11 14 1540 7-8 – 1540 7-8.1 – 1-604102-1 10-18 – 1-604102-1 10-18 – 1-604102-1 10-19 – 16-1 8-7 30 1637-B 7-10 10 1637-B 8-1 35 1637-B 8-2 39 1637-B 9-12 12 1641-B 8-1 28 1641-B 8-3 20 1641-B 9-11 6 1641-B 9-13 3 1650 8-3 20 1650 8-7 21 16DU16 9-12 4 170363-1 10-17 19 170363-1 10-4 33 170364-1 10-17 19 1-72165-9 10-17 18 172233-1 10-17 18 17240 App A – 1740001-01 6-9 34 1741125 6-9 – 1743629-01 5-12 – 1743640-01 5-12 60 1743645-01 5-12 – 1743645-02 5-12 70 1756-2 10-14 7 18-200 10-1 – 18-200 10-2 – 18-200 10-3 – 18-200 10-4 – 18-200 10-4 – 18-200 10-4 – 18-200 10-4 – 18-215 10-1 – 18-215 10-2 – 18-215 10-3 – ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxi Jul 22/25 18-215 10-4 – 18-215 10-4 – 18-215 10-4 – 18-215 10-4 – 18-DU-12 9-6 8 18-DU-12 9-7 8 18050-42 7-9 28 1/8 X 1/16 FG-S 7-9 – 1911-B 7-4 9 1911-B 7-6 14 1911-B 7-6.1 13 1911-B 8-1 34 19-170049-009 10-31 12 19-170049-009 App A – 19-170049-010 10-32 8 19754 8-2 43 1B7536 7-8 5 1SE1 10-23 7 1SE1 6-1 87 2/0 6-3 66 2000653-001 11-6 50 20012S 6-1 47 20020S 4-5 – 20020S 4-5 – 20020S 4-5 – 20020S 4-5 – 20020S 4-5 – 20020S 4-5 – 20044S 6-1 105 2-008-S604-70 10-25 – 2-008-S604-70 10-25 – 2-011 10-27 10 2-015 4-4 30 2-018 7-11 4 2-025 E515-80 8-5 4 2-025 E515-80 8-5 11 2-029 7-9 21 2-029 8-3 14 2-032 8-2 45 2-041 7-1 10 20526 7-6 11 20526 7-6.1 10 20526 App A – 206-061-505-003 6-9 1 208 7-4 8 210A155 9-3 8 2-131 4-4 15 2-133 8-3 15 2-137 8-5 15 2-141 7-1 8 2-141 7-1.1 17 2-141 7-2 4 2-141 7-2 4 218-901-019 10-2 9 219N04X02 10-34 1 21FA-540 7-11 13 21FA-540 7-8 – 21FA-540 7-9 – 2-212 8-2 23 2212000 10-4 – 2-218 4-4 5 22-370-150 10-16 8 22-370-150 10-17 9 22-370-200 10-17 9 229001 10-10 – 229001 11-6 – 229001 11-6 – 229001 11-6 – 229002 10-10 – 229003 10-10 – 229007 10-10 – 22NA17A-02 3-13 31 22NA1-82 3-8 39 22NA1-82BC 3-8 40 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxii Jul 22/25 22NA27-22-02 10-13 5 22NA27-22-02 6-3 46 22-NA27-68-02 10-13 5 23052351 6-1 – 23052363 3-20 90 23053995 7-1 16 23053995 7-2 10 23054604 6-1 23 23063426 6-1 41 23064565 6-1 60 23113DH 5-8 38 23121DH 5-8 6 2335-265 10-20 12 23S-094-075 3-6 100 24004-71-71 11-6 120 24004TR71 11-6 180 24914 7-4 3 24914 7-5 3 2523184 6-6 19 259 N4 App A – 259N04 10-27 5 259N04 10-34 2 259N04 App A – 259-N-04X02 App A – 261N04X02 10-34 – 261N04X02 10-34 – 262N4 10-27 – 262N4 10-27 – 262N4 10-27 – 264N 4 App A – 264N04 10-34 3 264N04 App A – 264-N-04X02 App A – 264N4 10-27 4 265N 4 App A – 265N04 App A – 265-N-04X02 App A – 267-1000–002 10-1 9 267-1000–002 10-2 9 268N 4X2 App A – 268N04X02 10-34 1 268N04X02 App A – 268-N-04X02 App A – 269N 4X2 App A – 269N04X02 10-34 5 269-N-04X02 App A – 269-N-04X04 10-27 6 27539 7-4 6 27539 7-5 11 28-00014-1 3-20 10 28-00015-1 3-20 100 28-01041-3 6-10 22 280-114508-11 3-2 11 28-11121-4 10-33 10 28-11121-4 10-33 19 28-11121-7 10-33 6 28-11215-1 3-9 17 28-11215-11 3-9 17 28-11217-1 3-9 16 28-11217-3 3-9 16 28-11227-13 3-13 5 28-11227-13 3-13 10 28-11227-15 3-13 6 28-11227-15 3-13 8 28-11227-17 3-13 6 28-11227-19 3-13 – 28-11227-19 3-13 – 28-11227-21 3-13 8 28-11227-23 3-13 – 28-11227-23 3-13 – 28-11231-11 3-13 – 28-11233-1 3-13 15 28-11233-13 3-13 – 28-11233-5 3-13 18 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxiii Jul 22/25 28-11236-11 3-13 19 28-11236-13 3-13 13 28-11236-15 3-13 12 28-11236-17 3-13 20 28-11236-19 3-13 22 28-11236-21 3-13 14 28-11237-11 3-13 33 28-11237-11 3-8 38 28-11238-1 3-13 23 28-11238-11 3-13 – 28-11238-13 3-13 26 28-11239-1 3-13 1 28-11239-101 3-13 11 28-11239-29 3-13 – 28-11239-3 3-13 7 28-11239-31 3-13 – 28-11239-31 3-13 – 28-11239-35 3-13 – 28-11239-35 3-13 – 28-11239-37 3-13 – 28-11239-39 3-13 – 28-11239-9 3-13 9 28-11241-13 3-13 – 28-11241-3 3-13 21 28-11711-15 3-4 150 28-11711-15 3-4 170 28-11712-15 3-4 80 28-11714-11 3-4 220 28-11715-11 3-3 10 28-12319-1 3-2 – 28-12319-1 3-2 – 28-12356-1 6-2 2 28-12400-23 6-1 73 28-12420-15 5-12 160 28-12429-9 5-2 410 28-12460-1 5-12 120 28-12460-1 5-9 – 28-125 10-11 3 28-13005-1 7-7 2 28-13107-15 7-8 18 28-13107-15 7-8.1 15 28-13120-1 7-8 7 28-13120-1 7-8.1 4 28-13122-3 7-8.2 10 28-13122-993 7-8.2 – 28-13137-11 7-8 26 28-13142-1 7-6 6 28-13142-1 7-8 – 28-13145-1 7-11 – 28-13145-1 8-5 30 28-13146-1 7-8 – 28-13146-1 7-8.1 – 28-13148-1 7-8 12 28-13148-1 7-8.1 9 28-13149-1 7-8 13 28-13149-1 7-8.1 10 28-13152-11 7-8 – 28-13152-11 7-8.1 – 28-13152-13 7-8 31 28-13152-13 7-8.1 28 28-13180-11 7-6 8 28-13180-11 7-6.1 7 28-13184-11 7-6 15 28-13184-11 7-6.1 14 28-13322-11 7-6 12 28-13322-11 7-6.1 11 28-13323-11 7-6 10 28-135003-11 7-11 3 28-13511-11 7-11 21 28-13511-13 7-11 21 28-13515-3 7-11 5 28-13525-9 7-11 1 28-13531-11 7-11 16 28-13532-11 7-11 19 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxiv Jul 22/25 28-13605-4 7-10 11 28-13605-5 7-10 11 28-13605-6 7-10 11 28-13605-7 7-10 11 28-13605-8 7-10 11 28-13607-1 7-11 22 28-13611-13 7-10 6 28-13611-15 7-10 6 28-13621-13 6-10 25 28-13621-13 7-10 17 28-14004-1 8-1 40 28-14004-1 8-2 47 28-14006-11 8-1 30 28-14006-11 8-2 35 28-14006-13 8-1 30 28-14006-13 8-2 35 28-14006-15 8-1 30 28-14006-15 8-2 35 28-14006-17 8-1 30 28-14006-17 8-2 35 28-14006-19 8-1 30 28-14006-19 8-2 35 28-14006-3 8-1 30 28-14006-3 8-2 35 28-14006-5 8-1 30 28-14006-5 8-2 35 28-14006-7 8-1 30 28-14006-7 8-2 35 28-14006-9 8-1 30 28-14006-9 8-2 35 28-14007-3 8-3 38 28-14008-1 8-1 39 28-14008-1 8-2 46 28-14009-1 8-1 37 28-14009-1 8-2 42 28-14009-10 8-2 42 28-14009-15 8-2 42 28-14009-2 8-1 37 28-14009-2 8-2 42 28-14009-3 8-1 37 28-14009-3 8-2 42 28-14009-5 8-1 37 28-14009-5 8-2 42 28-14019-10 8-4 3 28-14019-3 8-4 3 28-14019-5 8-4 3 28-14019-6 8-4 3 28-14019-7 8-4 3 28-14019-8 8-4 3 28-14100-9 8-3 37 28-14109-1 8-3 59 28-14110-1 8-3 – 28-14110-2 8-3 – 28-14110-3 8-3 – 28-14117-1 8-1 22 28-14117-11 8-1 22 28-14117-13 8-2 26 28-14119-11 8-3 – 28-14141-13-Kit 8-3 58 28-14141-913 8-3 58 28-14202-1 8-1 4 28-14202-1 8-2 4 28-14207-101 9-13 1 28-14207-9 9-13 1 28-14219-3 8-1 – 28-14219-5 8-2 – 28-14219-7 8-1 – 28-14219-901 8-1 – 28-14219-903 8-2 – 28-14223-1 8-1 11 28-14223-1 8-2 11 28-14224-1 8-1 7 28-14224-1 8-2 7 28-14224-3 8-1 15 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxv Jul 22/25 28-14224-5 8-1 15 28-14224-5 8-2 15 28-14227-1 8-1 20 28-14227-1 8-2 24 28-14227-11 8-4 6 28-14228-1 8-1 19 28-14231-1 8-3 5 28-14233-3 8-4 1 28-14234-901 8-3 1 28-14234-909 8-3 – 28-14235-1 8-1 38 28-14236-1 8-1 24 28-14236-1 8-1 29 28-14236-1 8-2 28 28-14236-1 8-2 34 28-14236-1 8-4 4 28-14239-1 8-3 34 28-14239-5 8-3 34 28-14240-1 8-3 2 28-14244-1 8-1 8 28-14244-1 8-2 8 28-14250-1 8-1 – 28-14250-1 8-2 – 28-14250-1 9-13 23 28-14250-3 9-13 24 28-14251-1 8-1 25 28-14251-1 8-2 29 28-14251-2 8-1 26 28-14251-2 8-2 30 28-14252-1 8-1 10 28-14252-1 8-1 14 28-14256-1 8-1 31 28-14256-1 8-2 36 28-14257-1 8-1 32 28-14257-1 8-2 37 28-14259-1 8-6 7 28-14259-3 9-13 20 28-14261-1 8-3 10 28-14262-1 9-13 4 28-14265-3 8-5 10 28-14270-1 8-3 19 28-14276-1 8-5 2 28-14277-1 8-5 3 28-14278-1 8-3 46 28-14279-3 8-3 18 28-14280-3 8-1 9 28-14280-5 8-1 9 28-14280-5 8-2 9 28-14281-3 8-1 13 28-14281-5 8-1 13 28-14281-5 8-2 13 28-14282-13 8-3 1 28-14283-1 8-3 41 28-14290-3 8-1 12 28-14290-3 8-2 12 28-14290-5 8-1 12 28-14290-5 8-2 12 28-14290-7 8-1 12 28-14290-7 8-2 12 28-14290-9 8-1 12 28-14290-9 8-2 12 28-14293-11 8-3 22 28-14293-13 8-3 22 28-14293-7 8-3 22 28-14293-9 8-3 22 28-14311-1 8-3 7 28-14313-1 8-3 13 28-14320-15 8-3 21 28-14335-1 8-3 23 28-14356-5 8-5 – 28-14357-3 8-5 1 28-14357-5 8-5 1 28-14358-4 8-5 5 28-14358-4 8-5 12 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxvi Jul 22/25 28-14359-11 8-1 10 28-14359-11 8-2 10 28-14359-15 8-5 2 28-14359-17 8-5 3 28-14359-19 8-1 14 28-14359-19 8-2 14 28-14366-1 8-5 21 28-14367-7 8-5 22 28-14368-2 7-8 29 28-14368-2 7-8.1 26 28-14368-2 8-5 23 28-14369-1 8-5 27 28-14370-17 8-5 6 28-14374-13 8-5 29 28-14374-15 8-5 29 28-14375-103 8-5 – 28-14375-107 8-5 – 28-14375-906 8-5 – 28-14375-907 8-5 – 28-14375-908 8-5 – 28-14381-1 8-3 – 28-14381-3 8-3 – 28-14381-901 8-3 28 28-14381-902 8-3 26 28-14381-903 8-3 1 28-14382-19 8-3 32 28-14382-21 8-3 27 28-14383-13 8-3 – 28-14384-13 8-3 – 28-14385-13 8-3 1 28-14385-15 8-3 1 28-14386-3 8-3 18 28-14386-5 8-3 18 28-14387-13 8-3 – 28-14389-11 8-3 – 28-14389-13 8-3 – 28-14390-11 8-5 8 28-150001-9 8-7 19 28-150044-5 8-7 20 28-150055-1 8-7 14 28-150055-13 8-7 14 28-150055-15 8-7 14 28-150060-11 8-7 11 28-150063-11 8-7 12 28-150063-13 8-7 12 28-150067-15 8-7 2 28-150074-11 8-7 1 28-150074-13 8-7 1 28-150076-1 8-7 9 28-150076-13 8-7 7 28-150076-15 8-7 4 28-150076-17 8-7 3 28-150076-19 8-7 6 28-150078-10 8-7 8 28-150078-12 8-7 8 28-150078-13 8-7 8 28-150078-15 8-7 8 28-150079-7 8-7 – 28-150079-901 8-7 – 28-15030-1 8-7 29 28-15033-1 8-7 18 28-15033-11 8-7 18 28-15033-15 8-7 18 28-15033-17 8-7 18 28-15033-5 8-7 18 28-16042-11 9-6 9 28-16042-11 9-7 9 28-16043-11 9-12 10 28-16043-13 9-12 35 28-16043-15 9-12 38 28-16043-19 9-12 10 28-16106-2 9-12 5 28-16108-11 9-12 7 28-16108-2 9-12 7 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxvii Jul 22/25 28-16109-1 9-12 19 28-16109-11 9-12 19 28-16109-13 9-12 – 28-16112-13 9-12 13 28-16112-15 9-12 13 28-16112-17 9-12 13 28-16113-1 9-12 15 28-16116-1 9-11 18 28-16116-11 9-11 18 28-16119-5 9-11 7 28-16124-1 9-10 11 28-16125-3 9-12 9 28-16125-4 9-12 9 28-16125-5 9-12 9 28-16126-1 9-12 14 28-16129-2 9-10 10 28-16143-1 9-12 32 28-16143-3 9-12 32 28-16156-1 9-2 – 28-162004-11 9-8 28 28-16201-1 9-3 19 28-16203-1 9-2 37 28-16203-1 9-8 26 28-16206-11 9-13 12 28-16215-1 9-7.1 34 28-16215-1 9-7.2 27 28-16219-1 9-10 4 28-16222-1 9-8 28 28-16223-19 9-11 17 28-16224-5 9-11 19 28-16225-19 9-11 20 28-16226-5 9-11 16 28-16227-3 9-11 12 28-16229-13 9-8 29 28-16230-1 9-8 27 28-16231-1 9-8 31 28-16232-1 9-8 32 28-16234-6 9-8 7 28-16236-1 9-8 16 28-16237-1 9-8 14 28-16238-1 9-8 18 28-16238-3 9-8 – 28-16239-4 9-8 9 28-16253-6 9-12 31 28-16253-8 9-12 31 28-16258-1 9-8 20 28-16260-1 9-12 1 28-16263-5 9-11 13 28-16264-1 9-12 2 28-16308-1 9-15 19 28-16310-2 9-15 18 28-16311-1 9-15 39 28-16313-1 9-15 1 28-16314-1 9-15 3 28-16319-1 9-15 2 28-16331-1 9-15 6 28-16332-1 9-14 – 28-16332-1 9-14 – 28-16332-1 9-14 – 28-16332-1 9-14 – 28-16332-3 9-14 – 28-16332-3 9-14 – 28-16336-11 9-13 22 28-16341-1 9-14 53 28-16345-1 9-15 – 28-16345-11 9-15 – 28-16348-1 4-2 23 28-16352-1 9-14 44 28-16353-3 9-15 30 28-16353-5 9-15 35 28-16374-1 9-15 16 28-16386-1 9-12 6 28-16391-1 9-15 23B 28-16391-3 9-15 23A ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxviii Jul 22/25 28-16391-5 9-15 23A 28-16392-13 9-15 12 28-16394-11 9-15 7 28-16395-1 9-15 17 28-16396-2 9-15 – 28-16397-11 9-15 13 28-16398-901 9-15 23C 28-16399-11 7-11 18 28-164043-11 6-6 22 28-16476-2 6-1 30 28-16524-1 9-9 15 28-16524-3 7-8 32 28-16524-3 7-8.1 29 28-16524-3 9-1 31 28-16524-3 9-11 14 28-16524-3 9-12 24 28-16524-3 9-9 15 28-16524-4 9-1 31 28-16524-4 9-11 14 28-16524-4 9-12 24 28-16524-4 9-9 15 28-16524-5 7-8 32 28-16524-5 7-8.1 29 28-16524-5 9-1 31 28-16524-5 9-11 14 28-16524-5 9-12 24 28-16524-5 9-9 15 28-16524-6 9-1 31 28-16524-6 9-11 14 28-16524-6 9-12 24 28-16524-6 9-9 15 28-16524-7 9-1 31 28-16524-7 9-11 14 28-16524-7 9-12 24 28-16524-7 9-9 15 28-16524-8 9-1 31 28-16524-8 9-11 14 28-16524-8 9-12 24 28-16524-8 9-9 15 28-16601-1 9-3 23 28-16603-1 9-3 24 28-16604-1 9-3 21 28-16608-13 9-3 15 28-16609-1 9-3 4 28-16610-1 9-3 5 28-16611-15 9-3 25 28-16613-3 9-3 28 28-16614-5 9-3 32 28-16615-1 9-3 27 28-16617-1 9-3 43 28-16620-1 9-3 2 28-16623-1 9-3 42 28-16624-11 9-3 34 28-16625-1 9-2 36 28-16628-1 9-3 26 28-16630-3 9-3 1 28-16630-4 9-3 1 28-16632-1 9-3 12 28-16633-1 9-3 7 28-16636-5 9-3 – 28-17101-1 4-1 32 28-17101-7 4-1 32 28-17123-1 4-4 22 28-17123-11 4-4 22 28-17144-1 4-4 2 28-17144-5 4-4 2 28-17145-1 4-4 8 28-17146-7 4-4 1 28-17146-907 4-4 1 28-17147-3 4-4 14 28-17149-1 4-4 6 28-17150-1 3-1 340 28-17150-1 4-1 34 28-17151-1 4-4 7 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxix Jul 22/25 28-17155-1 4-4 11 28-17156-1 4-4 10 28-17156-3 4-4 10 28-17157-1 4-4 9 28-17164-11 3-20 80 28-17164-11 4-2 27 28-17164-13 3-20 20 28-17200-15 3-9 8 28-17203-1 3-10 17 28-17203-11 3-10 17 28-17205-1 3-9 6 28-17206-11 3-10 15 28-17206-13 3-10 14 28-17206-13 3-9 7 28-17206-17 3-10 12 28-17206-19 3-10 16 28-17208-11 3-10 4 28-17308-1 8-7 22 28-18009-13 3-20 –120B 28-18009-17 3-20 –120D 28-18009-2 3-20 120 28-18009-21 3-20 –120E 28-18009-23 3-20 –120A 28-18009-3 3-20 –120C 28-19048-11 10-23 12 28-19061-11 3-20 130 28-20107-11 3-20 40 28-21009-13 10-28 6 28-22184-11 10-38 110 28-22184-11 10-39 100 28-41 10-11 2 286377 10-10 1 286377 11-6 – 286377 11-6 – 286377 11-6 – 28NBC2040YZP 8-1 23 28NBC2040YZP 8-1 36 28NBC2040YZP 8-2 27 2D7310 7-8 17 2D7310 7-8.1 14 2D8934 7-8 17 2D8934 7-8.1 14 3/8 Harper 3-7 5 3/8 Harper 8-3 56 3/8 Harper 9-12 23 3/8 Harper 9-8 30 3/8-6R 3-21 – 300-097 6-4 – 3001-127-470Sep 27/180C- 6.3M 10-22 1 3001-127-470Sep 27/180C- 6.3M App A – 3001-127-47018 10-22 1 3001-127-47018 App A – 300-166 6-5 13 3025A17 7-8 30 3025A17 7-8.1 27 3025A35 7-8 30 3025A35 7-8.1 27 30345T177 9-2 45 30345T177 9-2 55 30345T178 9-2 45 30345T178 9-2 55 313 10-1 – 313 10-1 – 313 10-1 – 313 10-2 – 313 10-2 – 313 10-2 – 313 10-3 – 313 10-3 – 313 10-3 – 313 10-4 – 313 10-4 – 313 10-4 – ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxx Jul 22/25 313 11-6 – 32005-023 6-1 16 32005-023 6-1 17 321620 7-1.1 160 323101A575ZB 6-1 52 327 10-1 – 327 10-1 – 327 10-1 – 327 10-2 – 327 10-2 – 327 10-2 – 327 10-3 – 327 10-3 – 327 10-3 – 327 10-4 – 327 10-4 – 327 10-5 – 327 10-6 – 32NBC2044YZP 8-3 11 331008-13 3-17 10 331008-2 3-17 7 331281-29W 3-17 15 331281-34W 3-18 8 331281-34W 3-18 17 331281-34W 3-23 150 331381-48W 3-17 30 34-0428020-65 10-31 2 34-0428020-65 App A – 34-0428070-64 10-31 4 34-0428070-64 App A – 34256 7-8 25 34256 7-8.1 22 3519-6 6-9 – 35574 7-8 14 35574 7-8.1 11 36-0050626-01 10-32 6 3621 10-13 28 3621 10-14 – 3621 10-15 1 3659-03 10-22 11 369583 7-1.1 160 369H8011 6-3 28 38-0130090-00 10-31 9 38-0130090-00 App A – 38-0130107-00 10-31 7 38-0130107-00 App A – 38-0130878-01 10-32 5 38-0230021-00 10-31 5 38-0230021-00 App A – 38-0230021-01 10-32 3 38-0250901-00 10-32 1 381N500 10-9 11 381N500 App A – 381N-500 App A – 381N-500-S 10-1 29 381N-500-S 10-2 29 381N-500-S 10-7 10 381N-500-S 10-8 10 381N-500-S 10-9 11 381N-500-S App A – 3-902 E515-80 8-5 25 3-902 V747-75 7-1.1 20 3-902 V747-75 7-1.1 140 3-902 V747-75 7-1.1 190 3-903 V747-75 7-1.1 210 3-903 V747-75 7-1.1 230 3-910 E515-80 8-5 24 3SNE094A-72 6-6 1 3SNE094A-72 App A – 3SNE-094A-72 App A – 3-SNE-094A-72 App A – 4 C5OX-S 6-1 25 4016-1 3-3 19 408764B 6-1 – ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxi Jul 22/25 409140 6-1 52 40NBC2052YZP 8-3 9 4101501-3 3-1 – 4101501-3 3-22 – 4110040-201 3-1 300 4112000-103 3-7 1 4112000-7 3-7 1 4112000-9 3-7 1 4112000-903 3-1 310 4112003-11 3-8 33 4112003-12 3-8 34 4112003-13 3-8 36 4112003-14 3-8 37 4112004-1 3-8 1 4112011-5 3-9 12 4112025-11 3-1 130 4112025-11 3-7 6 4112025-13 3-1 140 4112025-13 3-7 7 4112025-15 3-1 150 4112025-15 3-7 8 4112025-17 3-1 160 4112025-17 3-7 9 4112025-19 3-1 170 4112025-19 3-7 10 4112034-11 3-12 – 4112034-13 3-12 6 4112034-15 3-12 10 4112034-15 3-9 8 4112034-23 3-12 2 4112034-25 3-12 6 4112034-3 3-12 1 4112034-37 3-12 – 4112035-5 3-12 11 4114002-13 3-3 12 4114002-14 3-3 13 4114002-21 3-3 6 4114002-21 3-6 30 4114002-22 3-3 7 4114002-22 3-6 40 4114002-23 3-3 4 4114002-24 3-3 5 4114002-29 3-3 1 4114002-30 3-3 2 4114002-31 3-3 14 4114002-32 3-3 15 4114002-919 3-3 8 4114002-920 3-3 9 4114008-11 3-23 470 4114009-3 3-6.1 390 4114009-4 3-6.1 400 4114010-11 3-2 15 4114014-11 3-14 – 4114014-13 3-14 – 4114014-14 3-14 – 4114014-15 3-14 – 4114018-1 3-1 290 4114019 3-23 220 4114020-1 3-1 270 4114023-901 3-1 10 4114026-3 3-2 13 4114026-4 3-2 14 4114029-1 3-2 13 4114029-2 3-2 14 4114030-3 3-1 30 4114037-1 10-17 23 4114039-11 10-17 20 4114039-15 10-17 20 4115000-1 10-35 5 4115001-21 11-6 60 4115004-1 3-21 90 4115004-3 3-21 100 4115005-1 3-21 70 4115005-3 3-21 80 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxii Jul 22/25 4115005-5 3-21 – 4115005-7 3-21 – 4115005-9 3-21 – 4115013-1 3-21 140 4115014-17 3-21 – 4115014-18 3-21 – 4115014-19 3-21 – 4115014-21 3-21 – 4115014-22 3-21 – 4115020-1 3-21 210 4118255-39 3-3 3 4118260-5 3-6 310 4118260-6 3-6 320 4118268-11 3-4 10 4118268-12 3-4 20 4118268-13 3-4 10 4118268-14 3-4 20 4118269-11 3-4 120 4118269-12 3-4 130 4118270-1 3-4 60 4118270-2 3-4 70 4118271-1 3-4 100 4118271-2 3-4 110 4118272-1 3-4 – 4118272-2 3-4 – 4118272-3 3-4 – 4118272-4 3-4 – 4118278-21 3-6.1 120 4118278-21 3-6.1 360 4118278-23 3-6.1 110 4118278-23 3-6.1 350 4118281-1 3-6.1 20 4118281-19 3-6.1 190 4118281-2 3-6.1 30 4118281-21 3-6.1 380 4118281-3 3-6.1 60 4118281-4 3-6.1 70 4118284-1 3-6.1 150 4118284-1 3-6.1 330 4118284-13 3-6.1 180 4118284-13 3-6.1 370 4118290-15 3-6.1 260 4118290-16 3-6.1 290 4118290-17 3-6.1 300 4118290-18 3-6.1 310 4118290-21 3-6.1 320 4118290-33 3-6.1 280 4118291-10 3-6 930 4118291-101 3-6 360 4118291-102 3-6 370 4118291-13 3-6 630 4118291-13 3-6 810 4118291-25 3-6 210 4118291-25 3-6 380 4118291-25 3-6 480 4118291-25 3-6 940 4118291-5 3-6 190 4118291-6 3-6 200 4118291-7 3-6 460 4118291-8 3-6 470 4118291-9 3-6 920 4118292-1 3-6 280 4118292-13 3-6 330 4118292-17 3-6 140 4118292-17 3-6 340 4118292-29 3-6 660 4118292-3 3-6 130 4118292-30 3-6 670 4118292-33 3-6 540 4118292-34 3-6 550 4118292-35 3-6 760 4118292-36 3-6 770 4118292-43 3-6 400 4118292-43 3-6 830 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxiii Jul 22/25 4118292-47 3-6 290 4118292-5 3-6 790 4118292-6 3-6 800 4118292-7 3-6 610 4118292-8 3-6 620 4118294-17 3-6 880 4118294-18 3-6 890 4118294-19 3-6 230 4118294-20 3-6 240 4118294-25 3-6 500 4118294-26 3-6 420 4118294-26 3-6 510 4118308-11 3-6 680 4118308-12 3-6 690 4118308-13 3-6 850 4118308-14 3-6 860 4118309-903 3-6 50 4118309-904 3-6 60 4118310-1 3-6.1 – 4118310-2 3-6.1 – 4118310-5 3-6 10 4118310-6 3-6 20 4118310-905 3-1 250 4118310-905 3-6 – 4118310-906 3-1 – 4118310-906 3-6 – 4118312-21 3-6 70 4118312-22 3-6 80 4118313-1 3-6 430 4118788-13 3-14 – 4118788-15 3-14 – 4118788-17 3-14 – 4118798-5 9-14 61 4118798-7 9-14 65 4118805-11 9-1 17 4118805-12 9-1 18 4118805-13 9-1 19 4118824-11 9-1 15 4118824-12 9-1 16 4118824-17 9-1 15 4118824-18 9-1 16 4118850-900 3-1 360 4118892-11 4-1 17 4119315-3 3-2 28 4119315-4 3-2 29 4119316-5 3-2 20 4119316-6 3-2 21 4119316-7 3-2 – 4119316-903 3-2 16 4119319-13 3-2 – 4119319-15 3-2 – 4119319-15 3-2 – 4119319-17 3-2 – 4119319-19 3-2 – 4119319-21 3-2 – 4119319-21 3-2 – 4119319-3 3-2 – 4119319-3 3-2 – 4119319-5 3-2 – 4119319-5 3-2 – 4119319-7 3-2 – 4119319-7 3-2 – 4119327-1 3-2 – 4119327-13 3-2 – 4119327-14 3-2 – 4119327-3 3-2 5 4119328-13 3-2 – 4119328-14 3-2 – 4119328-15 3-2 – 4119328-16 3-2 – 4119329-1 3-2 – 4119329-3 3-2 3 4119329-4 3-2 4 4119329-5 3-2 5 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxiv Jul 22/25 4119333-3 5-1 17 4119333-3 5-3 9 4119333-3 5-4 9 4119333-4 5-1 18 4119333-4 5-3 10 4119333-4 5-4 10 4119334-1 3-2 – 4119334-2 3-2 – 4119334-23 3-2 – 4119334-24 3-2 – 4119334-3 3-2 1 4119334-4 3-2 2 4119343-11 3-2 – 4119343-13 3-2 – 4119344-3 3-2 – 4119344-901 3-2 6 ▌ 4119344-903 3-2 8A 4119344-905 3-2 8 4119345-15 3-2 – 4119345-15 3-2 – 4119345-3 3-2 – 4119345-5 3-2 – 4119345-5 3-2 – 4119345-902 3-2 10 4119348-901 3-2 12 4119348-911 3-2 12 4119350-902 3-1 240 4119351-11 6-3 40 4119351-13 3-2 – 4119351-13 3-2 – 4119351-13 3-2 – 4119351-15 6-3 40 4119351-15 6-3 41 4119351-17 6-3 41 4119351-19 3-2 – 4119351-19 3-2 – 4119351-19 3-2 – 4119352-13 3-2 – 4119352-15 3-2 – 4119352-16 3-2 – 4119355-11 3-2 – 4119356-3 3-2 3 4119356-4 3-2 4 4119357-1 3-2 9 4119357-13 3-2 – 4119357-902 3-2 9 ▌ 4119358-3 3-2 7A ▌ 4119358-5 3-2 7A ▌ 4119359-13 3-2 – ▌ 4119359-13 3-2 – ▌ 4119359-13 3-2 – 4119361-13 3-2 30 4119364-13 3-2 – 4119365-11 3-2 – 4119365-13 3-2 – 4119366-1 3-2 7 ▌ 4119366-3 3-2 7A 4119368-919 3-2 – 4119500-107 6-1.1 –* 4119518-11 6-1.1 420 4119519-21 5-3 18 4119519-21 5-4 18 4119519-23 6-1.1 450 4119519-25 6-1.1 460 4119519-25 9-5 30 4119519-27 6-1.1 470 4119519-27 9-2 63 4119519-29 6-1.1 480 4119521-1 10-22 12 4119522-15 5-3 19 4119522-15 5-4 19 4119522-16 5-3 19 4119522-16 5-4 19 4119523-1 6-1.1 – ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxv Jul 22/25 4119524-1 6-1.1 132 4119525-101 6-1.1 190 4119525-103 6-1.1 200 4119525-105 6-1.1 130 4119525-107 6-1.1 150 4119525-109 6-1.1 350 4119525-110 6-1.1 360 4119525-15 6-1.1 390 4119525-19 6-1.1 – 4119525-21 6-1.1 – 4119525-23 6-1.1 40 4119525-25 6-1.1 280 4119525-27 6-1.1 210 4119525-29 6-1.1 220 4119525-3 6-1.1 300 4119525-33 6-1.1 60 4119525-37 6-1.1 20 4119525-41 6-1.1 80 4119525-43 6-1.1 70 4119525-45 6-1.1 50 4119525-47 6-1.1 260 4119525-49 6-1.1 90 4119525-5 6-1.1 380 4119525-51 6-1.1 250 4119525-53 6-1.1 – 4119525-55 6-1.1 – 4119525-57 6-1.1 – 4119525-59 6-1.1 – ▌ 4119525-60 6-1.1 – 4119525-61 6-1.1 140 4119525-63 6-1.1 – 4119525-64 6-1.1 – 4119525-65 6-1.1 160 4119525-66 6-1.1 170 4119525-67 6-1.1 – 4119526-1 6-1.1 10 4119742-1 3-18 51 4119742-11 3-23 270 4119742-13 3-23 –310 4119742-3 3-18 52 4119742-5 3-23 260 4119742-7 3-23 300 4119743-11 3-17 – 4119743-11 3-22 300 4119744-1 3-17 31 4119745-11 3-17 36 4119746-17 3-17 17 4119750-5 3-14 – 4119750-7 3-14 – 4119756-17 3-18 36 4119756-17 3-23 360 4119756-21 3-18 30 4119756-21 3-23 320 4119758-21 3-17 23 4119758-23 3-17 23 4119759-3 3-1 90 4119760-3 3-15 2 4119760-3 3-16 – 4119760-5 3-15 1 4119760-5 3-16 – 4119760-8 3-22 – ▌ 4119760-9 3-22 – 4119760-903 3-1 20 4119760-905 3-1 70 4119761-5 3-17 1 4119761-5 3-22 190 4119761-7 3-17 1 4119761-7 3-22 –180 4119762-11 3-22 110 4119762-13 3-22 120 4119762-5 3-16 1 4119762-5 3-22 70 4119763-23 3-22 80 4119763-25 3-22 100 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxvi Jul 22/25 4119763-26 3-22 90 4119763-29 3-22 160 4119763-30 3-22 150 4119764-19 3-15 3 4119764-21 3-15 6 4119764-23 3-15 5 4119764-25 3-15 4 4119764-27 3-15 4 4119764-29 3-15 6 4119764-31 3-15 5 4119764-33 3-15 3 4119765-17 3-16 6 4119765-17 3-22 230 4119765-19 3-16 5 4119765-19 3-22 220 4119768-19 3-17 3 4119768-21 3-17 4 4119771-10-GEN 3-22 200 4119775-101 3-18 10 4119775-103 3-1 80 4119775-107 3-23 – 4119775-109 3-23 50 4119775-110 3-23 170 4119775-9 3-18 1 4119779-15 3-22 140 4119780-11 3-18 24 4119780-19 3-17 11 4119780-23 3-16 14 4119780-23 3-22 360 4119780-25 3-18 27 4119780-25 3-18 38 4119780-25 3-23 420 4119780-29 3-18 35 4119780-29 3-23 500 4119781-11 3-18 19 4119781-12 3-18 21 4119781-13 3-18 20 4119781-15 3-18 19 4119781-15 3-23 340 4119781-16 3-18 21 4119781-16 3-23 330 4119781-17 3-18 20 4119781-17 3-23 350 4119782-1 3-18 – 4119782-1 3-23 210 4119782-3 3-18 – 4119782-3 3-23 90 4119782-901 3-18 2 4119782-903 3-18 11 4119783-19 3-18 – 4119783-21 3-18 – 4119783-23 3-18 – 4119783-23 3-18 – 4119783-25 3-16 2 4119783-31 3-18 – 4119783-31 3-18 – 4119784-15 3-17 26 4119785-15 3-17 19 4119785-21 3-17 2 4119786-1 3-18 – 4119786-1 3-23 70 4119786-3 3-18 – 4119786-3 3-23 –190 4119786-901 3-18 – 4119788-15 3-17 21 4119789-19 3-17 6 4119791-13 3-17 29 4119791-15 3-18 7 4119791-15 3-18 16 4119791-15 3-23 140 4119795-1 3-18 – 4119795-1 3-23 540 4119795-3 3-18 – 4119795-901 3-18 53 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxvii Jul 22/25 4119795-903 3-18 53 4119796-11 3-18 44 4119796-11 3-23 550 4119796-13 3-18 44 4119797-1 3-18 43 4119797-1 3-23 580 4119797-13 3-22 130 4119798-1 3-21 – 4119798-1-GEN 3-23 530 4119798-3 3-21 – 4119798-7 3-23 – 4119799-19 3-23 480 4119799-25 3-18 39 4119799-25 3-23 460 4119799-27 3-18 41 4119799-27 3-23 380 4119801-1 3-21 – 4119801-1 3-23 – 4119801-3 3-21 – 4119801-5 3-21 – 4119804-21 3-21 21 4119804-21 9-14 – 4119804-22 3-21 22 4119804-22 9-14 – 4119804-23 3-21 23 4119804-23 9-14 – 4119804-24 3-21 24 4119804-24 9-14 – 4119812-1 3-21 270 4119812-2 3-21 280 4119835-23 5-12 150 4119835-27 3-20 70 4119835-27 5-11 170 4119835-31 3-20 60 4119835-31 5-12 150 4119835-31C480 3-20 110 4119835-31C480B 3-20 110 4119835-31GRD 3-20 30 4119835-33 11-6 – 4119835-33 11-6 – 4119835-35 11-6 – 4119839-13 3-6.1 50 4119840-11 10-11 5 4119841-5 3-19 – 4119841-5 3-21 110 4119842-5 3-19 1 4119844-15 3-19 9 4119844-17 3-19 9 4119845-11 3-19 4 4119849-1 3-21 120 4119849-3 3-21 130 4119849-7 3-22 60 4119849-8 3-22 20 4119849-9 3-22 –10 4119849-901 3-16 – 4119849-902 3-16 8 4119849-902 3-17 – 4119849-903 3-16 8 4119849-903 3-17 – 4119855-1 3-19 – 4119855-11 3-19 17 4119855-11 9-14 – 4119858-13 3-19 11 4119861-1 3-21 20 4119862-11 3-18 – 4119862-13 3-18 – 4119863-11 3-16 – 4119865-5 10-35 1 4119865-7 10-35 1 4119870-3 3-21 40 4119870-7 3-21 – 4119871-11-GEN 3-22 30 4119871-12-GEN 3-22 40 4119871-3 3-21 50 ENSTROM TH-28/480 SERIES ILLUSTRATED PARTS CATALOG PART NUMBER INDEX Part Number Figure Item Part Number Figure Item Rev. 19 xxxviii Jul 22/25 4119871-7 3-21 50 4119872-3 3-21 60 4119873-1 3-21 200 4119873-11 10-11 1 4119873-13 10-11 4 4119874-12-GEN 3-22 50 4119878-10-GEN 3-22 170 4119878-11 3-16 – 4119878-12 3-16 – 4119879-11 3-18 – 4119879-11 3-18 – 4119879-13 3-18 – 4119879-13 3-18 – 4119880-11 3-18 – 4119881-5-GEN 3-23 230 4119884-1 3-21 30 4119884-11 3-18 56 4119884-11-GEN 3-23 20 4119884-12 3-18 57 4119884-13 3-18 54 4119884-13-GEN 3-23 30 4119884-15 3-18 55 4119884-15-GEN 3-23 40 4119884-17-GEN 3-23 80 4119884-19 3-18 – 4119884-19-GEN 3-23 –200 4119884-21 3-18 – 4119884-21 3-18 – 4119884-23 3-23 60 4119884-24 3-23 180 4119884-5 3-23 10 4119887-11 10-35 2 4119887-13 10-35 2 4119887-911 10-35 2 4119889-1 3-21 240 4119889-2 3-21 250 4119890-5 11-5 330 4119890-6 10-35 7 4119890-6 11-4 18 4119890-6 11-5 350 4119890-7 10-35 6 4119890-7 11-4 13 4119891-7 3-21 10 4119892-11 3-20 140 4119893-3 10-35 3 4119894-15 11-1 40 4119894-17 11-4 9 4119894-17 11-5 60 4119894-19 11-1 41 4119894-21 6-5 9 4119894-23 6-5 8 4119895-1 11-4 18 4119895-3 11-4 13 4119913-11 3-20 50 4119914-11 3-20 90 4119917-11 5-11 170 4120011-11 6-1 53 4120012-13 6-1 96 4120012-15 6-1 97 4120012-17 6-1 98 4120012-19 6-1 99 4120012-21 6-1 89 4120012-22 6-1 90 4120013-21 6-1 100 4120016-3 6-1 48 4120016-4 6-1 49 4120016-5 6-1 48 4120016-6 6-1 49 4120016-7 6-1 48 4120016-8 6-1 49 4120017-3 6-14 1 4120018-1 6-14 2 4120021-1 6-1 21 4120022-13 6-1 83