Piper COMANCHE PA-24-180 Service Manual page 93

PIPER COMANCHE SERVICE MANUAL
TABLE III-I. INSPECTION REPORT (cont.)
-Note-
All inspections or operations must be performed at each inspection interval
as indicated by a circle (O).
Nature of Inspection
B. ENGINE GROUP (CONT.)
7. Inspect oil lines and fittings for leaks, security, chafing, dents and cracks
(See Notes 7 and 17)......................................................................................
8. Clean and inspect oil radiator cooling fins.....................................................
9. Remove and flush oil radiator........................................................................
10. Inspect rocker box covers for evidence of oil leaks. If found, replace gasket.
Torque cover screws 50 inch-pounds (See Note 9)........................................
NOTE:
Lycoming requires a Valve Inspection be made after every
400 hours of operation (See Note 10.)
11. Inspect wiring to engine and accessories. Replace damaged wires
and
clamps. Inspect terminals for security and cleanliness ..................................
12. Inspect spark plug cable leads and ceramics for corrosion and deposits.......
13. Check cylinder compression (Ref: AC 43.13-1A) .........................................
14. Inspect cylinders for cracked or broken fins .........................
15. Fill engine with oil per lubrication chart and Table II-VI .......................
16. Clean engine...................................................................................................
17. Inspect condition of spark plugs (Clean and adjust gap as required,
0.015 to 0.018 or 0.018 to 0.022 per latest revision of
Lycoming Service Instruction No. 1042).......................................................
NOTE:
If fouling of spark plugs has been apparent, rotate bottom
plugs to upper plugs.
18. Inspect ignition harnesses and insulators for high tension leakage
and continuity ............................................
19. Check magneto main points for clearance.
Maintain clearance at 0.018
±
0.006..............................................................
20. Inspect magneto for oil seal leakage ..............................................................
21. Inspect breaker felts for proper lubrication....................................................
22. Inspect distributor block for cracks, burned areas, and corrosion
and height of contact springs..........................................................................
23. Check magnetos to engine timing ..................................................................
24. Overhaul or replace magnetos (See Note 6)...................................................
25. Remove air cleaner screen and clean (Refer to Section II) .......................
26. Drain carburetor and remove and clean carburetor inlet screen or
remove and clean fuel injector inlet screen.
(Clean injector nozzles as required) (Clean with acetone only).....................
27. Inspect condition of carburetor heat or alternate air door and box ................
Inspection Time (Hrs)
50
100 500 1000
O
O
O
O
O
O
O
O
O
0
0
O
0 0
O
0
O
O
0
0
O 0
0
O
0 0
O 0
0
O
0
O
O
0
O
O
0
0
O
O
O
O
0
0
O
0
0
O
0
0
O0
0
O0
0
0
0
0 O
0 O
O
0
0
O O
O
Revised: 8/15/98
INSPECTION
1D21