Piper PA-44-180 SEMINOLE Maintenance Manual page 27

Nature if Inspection
B. ENGINE GROUP (CONT)
1 7 . Inspect ignition harness and insulators for high tension
l e a kage and continuity...........................................................
18. Check magneto points for proper clearance (Maintain
clearance at .018 +/- .006)....................................................
19. Inspect magneto for oil seal leakage......................................
20. Inspect breaker felts for proper lubrication............................
2 1 . Inspect distributor block for cracks, burned areas or
c o r r osion and height of contact springs.................................
22. Check magnetos to engine timing..........................................
23. Overhaul or replace magnetos (See Note 7)..........................
24. Remove air filters, tap gently to remove dirt particles and
inspect condition of seal and filter material (Replace as
required).................................................................................
25. Inspect condition of air filter housing....................................
26. Inspect security of carburetor throttle arm.............................
27. Drain carburetor and clean inlet line fuel strainer .................
2 8 . Inspect condition of carburetor heat air door and box
( PA -44-180 only) (See Note 12) ...........................................
29. Inspect intake seals for leaks and clamps for tightness..........
3 0 . Inspect all air inlet cut hoses and replace as required
( PA -44-180 only)...................................................................
31. Inspect condition of flexible fuel lines...................................
32. Inspect primer lines................................................................
33. Inspect primer for condition and security..............................
34. Inspect sniffle valve for signs of leakage...............................
35. Inspect sniffle valve lines for condition and security ............
36. Clean screens in electric fuel pump (PA-44-180 only)..........
37. Remove, drain, and clean fuel filter bowl and screen (Drain
and clean at least every 90 days.)...........................................
38. Replace flexible fuel lines (See Note 8) ...............................
39. Inspect fuel system for leaks..................................................
40. Inspect engine driven and electric fuel pumps for operation.
41. Overhaul or replace engine driven and electric fuel pumps
(See Note 7)...........................................................................
42. Check vacuum pumps and lines.............................................
PIPER AIRCRAFT
PA-44-180/180T
AIRPLANE MAINTENANCE MANUAL
PERIODIC INSPECTIONS (cont.)
—Note—
Refer top Notes 1, 2, 3, and 4 performing inspections.
L
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
1B3
Inspection time (hrs)
R 50 100 500
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 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
O O O
O O O
O O O
O
O O O
Page 5-04
Revised: June 20, 1995
1000
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
5-21-00