Piper Comanche PA-24 Service Manual page 154

TABLE III-I. INSPECTION REPORT - PA-24 / PA-24-250/260/400 (cont.)
NATURE OF INSPECTION
B. ENGINE GROUP (CONT.)
13. Inspect cylinders for cracked or broken fins ..........................................................
14. Fill engine with oil per lubrication chart and Table II-VI......................................
CAUTION: DO NOT CONTAMINATE VACUUM PUMP WITH CLEANING
FLUID.
15. Clean engine...........................................................................................................
16. 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.
17. Inspect ignition harnesses and insulators for high tension leakage
and continuity.........................................................................................................
18. Inspect magnetos. (See Notes 6 and 9.) .................................................................
19. Remove air cleaner screen and clean. (Refer to Section II.)..................................
20. 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.)...........................
21. Inspect condition of carburetor heat or alternate air door and box ........................
22. Inspect intake seals for leaks and clamps for tightness..........................................
23. Inspect condition of flexible fuel lines...................................................................
24. Inspect fuel system for leaks. (See Note 19.).........................................................
25. Clean screens in plunger type electric fuel pump(s) per paragraph 8-23...............
26. Inspect engine-driven and electric fuel pumps for condition and operation.
(See Note 6.) ..........................................................................................................
27. Inspect vacuum pumps and lines. (See Notes 15 and 25.) .....................................
28. Inspect throttle, carburetor heat or alternate air, mixture
and propeller governor controls for travel and operating condition.......................
29. Inspect exhaust stacks, connections and gaskets per
Exhaust System Inspection under Special Inspections, Procedures.
Replace gaskets as required. (See Note 26.) ..........................................................
30. Inspect muffler, heat exchanger and baffles per
Exhaust System Inspection under Special Inspections, Procedures. ....................
31. Inspect breather tube for obstructions and security ...............................................
32. Inspect crankcase for cracks, leaks and security of seam bolts .............................
33. Inspect engine mounts for cracks and loose mounting ..........................................
34. Inspect rubber engine mount bushings for deterioration ......................................
35. Inspect all engine baffles for cracks.......................................................................
36. Inspect firewall for cracks ......................................................................................
37. Inspect condition of firewall seals..........................................................................
38. Inspect condition and tension of generator or alternator drive belt .......................
39. Inspect condition of generator or alternator and starter .........................................
III - INSPECTION
PIPER COMANCHE SERVICE MANUAL
1D16
Inspection
Interval (Hrs)
50 100
O
O O
O
O
O
O
O O
O O
O O
O
O
O O
O O
O
O
O
O O
O
O
O
O
O
O
O
O
O
O
04/01/09