12. Inspect condition of spark plugs. (Clean and adjust gap as required; adjust per latest Lycoming Service Instruction No. 1042) .................................................................................. O O O O O
— Note—
If fouling of spark plugs has been apparent, rotate
bottom plugs to upper plugs.
13. Inspect spark plug cable leads and ceramics for corrosion and deposits............................................................................... O O O O O O
14. Check cylinder compression (Ref.: AC 43.1301A) .................. O O O O O
15. Inspect cylinder for cracked or broken fins (See Note 10) ....... O O O O O O
16. Inspect rocker box covers for evidence of oil leaks. If found, replace gasket; torque cover screws 50 inch-pound (See Note 11) ............................................................................
O O O O O O
17. Inspect ignition harness and insulators for high tension leakage and continuity ..............................................................
O O O O O
18. Check magneto points for proper clearance (Use “E” Gap method, see 74-10-00) .......................................
O O O O O
19. Inspect magneto for oil seal leakage......................................... O O O O O
Page 5-14 Revised: February 28, 2002
1B20
THE NEW PIPER AIRCRAFT, INC.
PA-44-180
AIRPLANE MAINTENANCE MANUAL
SCHEDULED MAINTENANCE CHECKS (CONT)
— Note — Refer to Notes 1, 2, 3, and 4 before performing inspections.
Nature of Inspection Inspection time (hrs)
B. ENGINE GROUP (cont) L R 50 100 500 1000
20. Inspect distributor block for cracks, burned areas or
corrosion and height of contact springs .................................... O O O O O
21. Check magnetos to engine timing............................................. O O O O O
22. Overhaul or replace magnetos (See Note 7) ............................. O O O O O
23. Remove air filters, tap gently to remove dirt particles and
inspect condition of seal and filter material
(Replace as required) (See Note 29) ......................................... O O O O O O
24. Inspect condition of air filter housing ....................................... O O O O O O
25. Inspect security of carburetor throttle arm................................ O O O O O
26. Drain carburetor and clean inlet line fuel strainer..................... O O O O O
27. Inspect condition of carburetor heat air door and box
(See Note 12) ............................................................................ O O O O O O
28. Inspect intake seals for leaks and clamps for tightness............. O O O O O
29. Inspect all air inlet cut hoses and replace as required............... O O O O O
30. Inspect condition of flexible fuel lines (See Note 8) ................ O O O O O
31. Inspect primer lines (See Note 8).............................................. O O O O O
32. Inspect primer for condition and security ................................. O O O O O
33. Clean screens in electric fuel pump ......................................... O O O O O O
34. Remove, drain, and clean fuel filter bowl and screen
(* Drain and clean at least every 90 days.) ............................... O O O* O O O
35. Replace flexible fuel lines (See Note 8)................................... O O O
36. Inspect fuel system for leaks..................................................... O O O O O
37. Inspect engine driven and electric fuel pumps for operation .... O O O O O
38. Overhaul or replace engine driven and electric fuel pumps Engine overhaul or
(See Note 22) ............................................................................ O O every 5 years.
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