Inspection Time (hrs.)
Nature of Inspection
50
100
500
1000
B.
ENGINE GROUP
(eont.)
7. Inspect oil lines and fittings for leaks. security, chafing,
dents and cracks (See
~otes
7 and 17)
. . . .
III
. . . . . . .
III
. . . . . . . . . . . . . . .
I I I " ' .
III
. . . . . . . . . . . . . . . . .
0
0
0
8. Clean and inspect oil radiator cooling fins ................. " ......•...
0
0
0
9. Remove and flush oil radiator ..................•...........•........
0
0
10. Inspect rocket box covers for evidence of oil leaks.
If
found.
replace gasket: torque cover screws 50 inch-pounds (See Note 9) .........
0
0
0
0
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
I
and clamps. Inspect terminals for security and cleanliness ...............
0
0
0
12. Inspect spark plug cable leads and ceramics for corrosion
and deposits .......................................................
0
i
0
0
0
13. Check cylinder compression (Ref: AC 43. 13·1 A) .......................
I
0
0
0
14. Inspect cylinders for cracked or broken fins ...........................
!
0
0
0
15. Fill engine with oil as per lubrication chart ...........................•
0
0
0
0
I
16. Clean engine .......................................•..••.•........
0
0
0
17. Inspect condition of spark plugs (Clean and adjust gap as
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
0
0
0
I
. !"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) ...........................................•....•...
0
0
0
19. Check magneto main points for clearance - Maintain clearance
i
I
at 0.018
.:t
0.006 ....................................................
0
0
0
20. Inspect magneto for oil seal leakage ..................................
0
0
0
2 I. Inspect breaker felts for proper lubrication .........•...••........•....
0
0
0
22. Inspect distributor block for cracks. burned areas, and corrosion
and height of contact springs ................•..•....................
0
0
0
23. Check magnetos to engine timing ....................................
0
0
0
24. Overhaul or replace magnetos (See Note 6) ............................
0
25. Remove air cleaner screen and clean (Refer to Piper Service
Manual) ..........................................................
0
0
0
0
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) ..........•........••.•..
0
0
0
0
27. Inspect condition of carburetor heat or alternate air door
and box
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
III ...........
III . . . . . . . . . . . . .
III III ..
III 110
•
III 01 III ...
"
. . . . . . . . . . .
"
..
"
. . . . . . . . . . .
0
0
0
0
•
•
•
INSPECTlO~
PIPER
COMANCHE SERVICE MANUAL
TABLE III-I. INSPECTION REPORT (cont.)
ID21
REVISED: 11/1/82
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