Description
Lycoming At Overhaul 100% Parts & Replacement List *
Engine Model: TIO-540-A1A, A1B, A2A, A2B, A2C (Narrow & Wide Decks)
*Note: This list is not all-inclusive and may not be current. Consult the latest manufacturer’s approved data before installing any part.
|
Description |
Part Number |
Quantity |
|
Engine Gasket Set |
1 |
|
|
Piston Rings |
6 |
|
|
Piston Pins |
6 |
|
|
Piston Pin Plugs |
INC W/PIN |
|
|
Exhaust Valves |
6 |
|
|
Intake Guides |
6 |
|
|
Exhaust Guides |
6 |
|
|
Exhaust Valve Retaining Rings |
12 |
|
|
Rocker Assemblies ( '76 Series ) |
N/A |
|
|
Aluminum Push Rods Assemblies ( 235 & 290's ) |
N/A |
|
|
Hydraulic Plunger Assemblies (Old Part # 78290 ) |
12 |
|
|
Bearing Inserts ( Main ) |
6 |
|
|
Bearing Inserts (Main) |
2 |
|
|
Bearing Inserts ( Connecting Rods) |
12 |
|
|
Stressed Bolts & Fasteners: |
||
|
Stationary Drive Gear Bolts |
N/A |
|
|
Camshaft Gear Attaching Bolts |
N/A |
|
|
Connecting Rod Bolts |
12 |
|
|
Connecting Rod Nuts |
12 |
|
|
Crankshaft Flange Bolts |
||
|
Crankshaft Gear Bolt |
1 |
|
|
Counterweight Bushings |
4 |
|
|
Oil Pump Bodies |
1 |
|
|
Oil Pump Gears |
1 |
|
|
Oil Pump Gears |
1 |
|
|
Washers 1/4" ( Old Part # MS35333-40) |
1 |
|
|
Washers 5/16" ( Old Part # MS35333-41) |
1 |
|
|
Washers 3/8" ( Old Part # MS35333-42) |
1 |
|
|
Washers 1/4" |
1 |
|
|
Washers 5/16" |
1 |
|
|
Washers 3/8" |
1 |
|
|
Lock Nuts |
||
|
Oil Seals |
1 |
|
|
Oil Seals |
1 |
|
|
LW-l Seals |
1 |
|
|
Oil Seals |
1 |
|
|
Propeller Governor Oil Line Elbows |
||
|
Propeller Shaft Sleeve Rings |
||
|
Magneto Drive Cushions |
4 |
|
|
Thermostatic Bypass Valves |
1 |
|
|
Crankshaft Sludge Tubes |
||
|
Circlips |
||
|
Lock Plates |
LW-18638 |
1 |
|
Lock Plates |
1 |
|
|
Lock Plates |
1 |
|
|
Lock Plates |
1 |
|
|
Retaining Rings |
1 |
|
|
Retaining Rings |
1 |
|
|
Retaining Rings |
8 |
|
|
All Laminated Shims |
||
|
Pinion Shaft Rollers |
||
|
Propeller Shaft Thrust Bearings |
||
|
Supercharger Bearing Oil Seals |
||
|
Cylinder Fin Stabilizers |
6 |
|
|
Cylinder Fin Stabilizers |
6 |
|
|
Cylinder Fin Stabilizers |
6 |
|
|
Damaged Ignition Cables |
M2037 SLICK |
1 |
|
Accessory Drive Coupling Springs |
||
|
AC Diaphragm Fuel Pumps |
||
|
All V-Brand Couplings |
||
|
All V-Brand Gaskets |
||
|
Engine Hoses Oil Drainback Cylinder |
6 |
|
|
Engine Hoses Upper Deck Vent |
6 |
|
|
All Engine Hose Assemblies |
||
* In Accordance with Textron-Lycoming Mandatory Service Bulletin 240R
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