PIPER COMANCHE SERVICE MANUAL TABLE III-I. INSPECTION REPORT (cont.) I ; ! INSPECTlO~ ID21 REVISED: 11/1/82 Nature of Inspection B. ENGINE GROUP (eont.) 7. Inspect oil lines and fittings for leaks. security, chafing, d Ce ln eats a an nd c ir na sc pk es t( S oe ile r~ ao dt ie as r7 ca on od in17 g) fins. ... .. .III.... .... .. .III ... ... ... ... ... ... ... .. .II .I" ' ". III . .. ... ... .. ... ... •.. .. ... .. 8. n d c to l 9. Remove and flush oil radiator ..................•...........•........ 10. Inspect rocket 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.) I I. 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 as per lubrication chart ...........................• 16. Clean engine .......................................•..••.•........ 17.
Inspect condition of spark plugs (Clean and adjust gap as I required. 0.015 to 0.018 or 0.01~ to 0.012. as per latest I revision of Lycoming Sen ice Instruction Xo. 1042) ......III III ...... III ....................III . !"OTE: If fouling of spark plugs has been apparent. rotate bottom plugs to upper plugs. 18. Inspect ignition harnesses and insulators (High tension leakage and continuity) ...........................................•....•... 19. Check magneto main points for clearance - Maintain clearance at 0.018 .:t 0.006 .................................................... 20. Inspect magneto for oil seal leakage .................................. 2I.
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 Piper Service Manual) .......................................................... 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 .......................................... III ........... III ............. IIIIII.. III110 • III01III... " ........... " .. " ........... Inspection Time (hrs.) 50 100 0 0 0 0 0 I 0 i 0 0 I 0 ! 0 0 0 0 0 i I 0 0 0 0 0 0 0 0 0 0 0 500 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0