Description
Lycoming At Overhaul 100% Parts & Replacement List *
Engine Model: O-320 H2AD
*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 |
4 |
|
|
Piston Pins |
4 |
|
|
Piston Pin Plugs |
Inc W/ Pin |
|
|
Exhaust Valves |
4 |
|
|
Intake Guides |
AEL61681 |
4 |
|
Exhaust Guides |
4 |
|
|
Exhaust Valve Keeper Key |
8 |
|
|
Rocker Assemblies ( '76 Series ) |
8 |
|
|
Aluminum Push Rods Assemblies ( 235 & 290's ) |
N/A |
|
|
Hydraulic Plunger Assemblies (Old Part # LW-16812 & 15B28040) |
15B28093 |
8 |
|
Bearing Inserts ( Main ) |
8 |
|
|
Bearing Inserts ( Connecting Rods) |
8 |
|
|
Stressed Bolts & Fasteners: |
||
|
Stationary Drive Gear Bolts |
N/A |
|
|
Camshaft Gear Attaching Bolts |
4 |
|
|
Connecting Rod Bolts |
8 |
|
|
Connecting Rod Nuts |
8 |
|
|
Crankshaft Flange Bolts |
N/A |
|
|
Crankshaft Gear Bolt |
N/A |
|
|
Counterweight Bushings |
N/A |
|
|
Oil Pump Bodies |
1 |
|
|
Oil Pump Gear (Old Part # LW-15068) |
1 |
|
|
Oil Pump Gear (Old PArt # LW-15347) |
1 |
|
|
Lock Washer 1/4" (Old Part # MS35333-40) |
A/R |
|
|
Lock Washer 5/16" (Old Part # MS35333-41) |
A/R |
|
|
Lock Washer 3/8" (Old Part # MS35333-42) |
A/R |
|
|
Washers |
A/R |
|
|
Washers |
A/R |
|
|
Washers |
A/R |
|
|
Lock Nut Rocker Stud |
8 |
|
|
Oil Seal Crankshaft |
1 |
|
|
Oil Seal Vacuum Pump |
1 |
|
|
Oil Seal Tach Drive |
1 |
|
|
Propeller Governor Oil Line Elbows |
N/A |
|
|
Propeller Shaft Sleeve Rings |
N/A |
|
|
Magneto Drive Cushions |
2 |
|
|
Thermostatic Bypass Valves |
1 |
|
|
Crankshaft Sludge Tubes |
N/A |
|
|
All Circlips |
A/R |
|
|
Lock Plate Camshaft |
2 |
|
|
Lock Plate Shroud Tube |
4 |
|
|
Lock Plate Oil Pump |
LW-15622 NLA |
1 |
|
All Retaining Rings |
N/A |
|
|
All Laminated Shims |
N/A |
|
|
Pinion Shaft Rollers |
N/A |
|
|
Propeller Shaft Thrust Bearings |
N/A |
|
|
Supercharger Bearing Oil Seals |
N/A |
|
|
Cylinder Fin Stabilizers |
N/A |
|
|
Damaged Ignition Cables |
M2917 SLICK |
1 |
|
Accessory Drive Coupling Springs |
N/A |
|
|
AC Diaphragm Fuel Pumps |
1 |
|
|
All V-Brand Couplings |
N/A |
|
|
All V-Brand Gaskets |
N/A |
|
|
Engine Hoses Intake |
4 |
|
|
Engine Hoses Oil Drainback Cylinder |
4 |
|
|
All Engine Hose Assemblies |
||
* In Accordance with Textron-Lycoming Mandatory Service Bulletin 240R
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