Maintenance Manual for Mooney M20J 201
Mooney M20J 201 · Maintenance Manual
Overview
This document serves as the Maintenance Manual for the Mooney M20J 201 aircraft. It is intended for use by maintenance personnel and technicians who are responsible for the upkeep and repair of this specific aircraft model. The manual provides detailed instructions on maintenance procedures, troubleshooting, and repair techniques necessary to ensure the safe and efficient operation of the Mooney M20J 201. It includes specifications, maintenance schedules, and guidelines for inspections, as well as safety precautions that must be observed during maintenance activities.
- Follow the maintenance schedule as outlined in the manual to ensure airworthiness.
- Perform engine oil changes every 50 hours of operation or as specified in the manual.
- Conduct airframe inspections at least annually or after any significant flight.
- Use only approved parts and fluids for maintenance to avoid warranty issues.
- Always adhere to safety precautions to prevent accidents during maintenance.
Document
Source
Originally published by mooney.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type
- Maintenance Manual
- Pages
- 8
- File size
- 571 KB
- Publisher
- mooney.com
Common. Rarer than 24% of the aircraft models we track.
Most owners only have the POH. Here's the essential set for the Mooney M20J 201.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins
- Type Certificate (TCDS)
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In this document
General Maintenance Procedures
This section outlines the standard procedures for conducting maintenance on the Mooney M20J 201, including pre-maintenance checks and documentation requirements.
Engine Maintenance
Detailed instructions for performing routine and non-routine maintenance on the engine, including oil changes, filter replacements, and troubleshooting common engine issues.
Airframe Inspection
Guidelines for conducting thorough inspections of the airframe, including checks for structural integrity, corrosion, and wear.
Electrical System Maintenance
Instructions for maintaining and troubleshooting the electrical systems of the Mooney M20J 201, including wiring diagrams and component specifications.
Safety Precautions
A comprehensive list of safety measures that must be adhered to during maintenance activities to ensure the safety of personnel and the aircraft.
Safety notes
- Ensure the aircraft is properly secured before beginning any maintenance work.
- Use appropriate personal protective equipment (PPE) when handling chemicals or working in confined spaces.
- Follow lockout/tagout procedures when working on electrical systems.
Full document text
SERVICE BULLETIN SB M20-231 Date: 2-4-86 SUBJECT: MODELS/S/N AFFECTED: TIME OF COMPLIANCE: INTRODUCTION: MOONEY M20J (201) COWL FLAP HINGE MODIFICATION Mooney M20J (201) S/N 24-0001 thru 24-1546 At owner's discretion or at next scheduled maintenance. Reports have been received concerning the wear and need for replacement of cowl flap hinge components on several M20J aircraft. The following instructions describe the procedures to modify any above serial numbered aircraft to a new configuration which will improve this condition. INSTRUCTIONS: 1. 2. 3. 4. 5. 6. - Remove the MS 21047L3 Remove top and bottom cowling per Service & Maintenance Manual. Hold each cowl flap closed and mark both cowl flaps and cowling laterally for repositioning during installation of the new hinge assys. Remove cowl flaps from cowling. L.H. cowl flap assy, P/N 650176-501 nut plate from inboard baffle, 650195-1. NOTE: Countersink all holes on lower flange; doubler must lay flat on dimpled area. Locate doubler, P/N 650195-5, per Figure M20-231-1(A) and drill holes to match in doubler, baffle and flange. Install doubler using MS 20426AD4 rivets. Install new nut plate, MS 21047L3, using MS 20426AD3-5 rivets. Inspect cowl flap to see that there are also doublers at aft end of each baffle. There should be a doubler, P/N 650195-3, on the inboard baffle and, P/N 650196-3, doubler on outboard baffle, 650196-001 refer to Figure M20-231-2(A), (B), and (C). If not installed, order Opt. Kit SB M20-231-002. R.H. cowl flap assy, P/N 650197-502 Remove the MS 21047L3 nut plate from inboard baffle. Locate, P/N 650195-6, doubler per Figure baffle rivets. , - M20-231-1 (B) & drill holes to match in doubler, and flange. Install doubler using MS 20426AD4 Install new nut plate, MS 21047L3, using MS 20426AD3-5 rivets. Inspect cowl flap to see that the doubler, P/N 650196-4, is installed on aft end of outboard baffle, 650196-2, refer to Figure M20-231-3(A) & (B). If not installed, order Opt. Kit SB M20-231-002. Rework lower cowl assy, 650180, to modify the cowl flap hinge assy by drilling out three (3) rivets from each old hinge bracket, P/N 650193 and 650198 (four (4) hinge brackets total). Drill twelve (12) additional rivets from the retainers P/N 650194-1 and -2, (three (3) at each new hinge bracket location), refer to Figure M20-231-4 Assemble the four new hinge assy brackets, P/N 650177-501 and 650178-501 to the left hand cowl flap and P/N 650177-502 and 650178-502 to the right hand cowl flap using the new hardware and bushings provided with the kit, ref. Figure M20-231-5. Instructions: (Cont'd) NOTE Pg. 2 of 8 SB M20-231 Date: 2-4-86 7. 8. 9. 10. 11. It is necessary to align the hinge pivot points exactly on Sta. -17.375 (the same as existing pivot point) when installing four (4) new hinge assy brackets. Clamp or temporarily secure the hinge bracket/cowl flap assys to cowling. Use alignment marks made earlier on cowl flaps and cowling. Check travel of cowl flaps for any interference or binding. Mark and drill holes in new hinge assy brackets, using holes in cowling, when fit is determined to be proper. Drill holes for No. 4 rivets. Install brackets to cowling retainer with MS 20426AD4 rivets, six (6) holes on each hinge assembly bracket, refer to Figure M20- 231-4. Check cowl flaps for travel and interference. Trim cowl flap carefully if needed to allow for nonbinding travel throughout full open to closed positions. Tighten pivot bolts down snug against bushing, 914020-001. This will allow bushing to rotate inside hinge bushing. Make certain at least (2) threads are protruding thru nut plates. Reinstall cowling per Service & Maintenance Manual. Mooney M20J Service and Maintenance Manual. Kit Part Number SB M20-231-001 12. REFERENCE DATA: PARTS LIST: Part Number Description Quantity 1) 650195-5 2) 650195-6 Doubler Doubler 1 1 3) 650177-501 Hinge Assy Bracket 1 4) 650177-502 Hinge Assy Bracket 1 5) 650178-501 Hinge Assy Bracket 1 6) 650178-502 Hinge Assy Bracket 1. 7) AN3-7A Bolt 4 8) AN960-10 Washer 8 9) NOT USED 114 10) 914020-001 Bushing 4 11) MS 21047L3 Nut Plate 12) MS 20426AD4-6 Rivet 13) MS 20426AD3-5 Rivet 4 14) MS 20426AD4-5 Rivet 1+2218 20 Parts List: (Cont'd) Optional Kit P/N SB M20-231-002 Part Number 1) 650195-003 2) 650196-003 3) 650196-004 4) MS 20426AD4-5 5) MS 20426AD4-6 Page 3 of 8 SB M20-231 Date: 2-4-86 Description Quantity Doubler 1 Doubler Doubler 1 Rivet Rivet 1 16 9 FIGURES/TABLES: MS20426AD4-6 RIVET (TYP 4 PLCS) 650176 COWL FLAP L.H. + (A) Page 4 of 8 SB M20-231 Date: 2-4-86 MS 21047L3 NUTPLATE MS20426AD3-5 RIVET (2 PLCS) 650195-005 DOUBLER + 650195-001 BAFFLE MS20426AD4-5 RIVET (TYP 3 PLCS) LOCATION POINTS (TYP) MS20426AD3-5 RIVET (2 PLCS). 650195-002- BAFFLE (LOCATE DOUBLERS AT BOLT HOLE & BAFFLE EDGE) FIGURE M20-231-1 1+ + MS21047L3 NUT PLATE -650195-006 DOUBLER MS20426AD4-6 RIVET (TYP 4 PLCS) MS20426AD4-5 RIVET (3 PLCS) + -650197 (B) COWL FLAP R.H. 650195-001 BAFFLE 650195-003 DOUBLER* + + + + + -MS20426AD4-6 (TYP 3 PLCS) 650176 MS21047L3 NUTPLATE 650195-005 DOUBLER 650195-001 BAFFLE 650195-003 DOUBLER * COWL FLAP,L.H. (A) MS20426AD4-6 (TYP) · MS20426AD4-5 (TYP 6 PLCS) + + + Page 5 of 8 SB M20-231 Date: 2-4-86 + 650196-001 BAFFLE 650196-003 DOUBLER** MS20426AD4-5 (TYP 5 PLCS) -MS20426AD4-6 (TYP 3 PLCS) -650176 COWL FLAP, L.H. (B) MS20426AD4-6 RIVET (TYP 4 PLCS) -650196-001 BAFFLE 650196-003 ** DOUBLER MS20426AD4-6 (TYP) 650176 COWL FLAP, L.H. + + + (c) FIGURE M20-231-2 + + 650196-002 BAFFLE 650196-004 DOUBLER *** + + Page 6 of 8 SB M20-231 Date: 2-4-86 -MS20426AD4-6 RIVET (TYP 3 PLCS) MS20426AD4-5 (TYP 5 PLCS) (A) 650197 COWL FLAP, R.H. 650196-002 BAFFLE 650196-004. DOUBLER *** MS20426AD4-6 RIVET (TYP 3 PLCS) MS2104713 NUTPLATE MS20426AD4-6 RIVET (TYP 4 PLCS) 650195-006 DOUBLER 650204-501 650195-002 BAFFLE (B) FIGURE M20-231-3 -650197 COWL FLAP, R.H. ADD MS20426AD4-6 RIVET 3 ea. (typ 4 ples) (NEW HINGE ASSY) . REMOVE OLD RIVETS (3) ea. (TYP. 4 PLCS) FROM RETAINER. + + + + + A +1 11 Page 7 of 8 SB M20-231
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Date: 2-4-86 + + + + + + RH 1650194-001 RETAINER, LH NEW 650177-501 It -502 650198-001 HINGE ASSY, INBD,LH " HINGE,INED,LH " -002 OLD NEW 650178-501 " -502 " RH. MS20426AD4-5 RIVET (3 ea. TYP 4 PLCS) (EXISTING LOCATIONS) HINGE ASSY, OUTBD, LH 650193-001 " 11 HINGE,OUTBD,LH -002 " OLD RH RIGHT HAND COWL FLAP AREA SHOWN (VIEW LOOKING DOWN) FIGURE M20-231-4 + RH + 1 li Ji 1: E: 650180 COWL + + -002/ RH AN3-7A BOLT AN960-10 914020-001 BUSHING HINGE ASSY AN960-10 WASHER Page 8 of 8 SB M20-231 Date: 2-4-86 WASHER COWL FLAP BAFFLE (TYPICAL HINGE/BOLT INSTALLATION) FIGURE M20-231-5