Piper Aircraft Corporation Malibu Mirage PA-46-350P, Airplane Maintenance Manual

Page: 60 / 1956

5-20-00
1D2
PIPER AIRCRAFT, INC.
PA-46-350P, MALIBU MIRAGE
MAINTENANCE MANUAL
5. Scheduled Maintenance (continued)
Inspection
NATURE OF INSPECTION Interval (Hrs)
50 100
PAGE 8
Feb 28/07
B. ENGINE GROUP (cont)
12. Inspect condition of spark plugs, clean and adjust gap as required...................... O
NOTE: If fouling of spark plugs is apparent, rotate bottom plugs to upper plugs.
NOTE: Piper does not recommend that Iridium spark plugs be cleaned using
abrasive or glass bead materials except as specified in the latest revision of
Champion Aviation Technical Bulletin 85-10 for servicing Champion Iridium
"S" spark plugs.
13. Inspect spark plug cable, lead spring, and silicone collar
for corrosion, deposits, and condition.................................................................... O
14. Check ignition harnesses and insulators
for high tension leakage and continuity ................................................................. O
15. Check cylinders for cracked or broken fins. (See Note 8.)..................................... O
16. Inspect rocker box covers for evidence of oil leaks, if leaks are
detected replace gasket and torque cover screws to 50 in-lbs.............................. O O
17. Inspect wiring to engine and accessories.
Replace damaged wires and clamps. (See Note 10.) ........................................... O
18. Inspect terminals for security and cleanliness....................................................... O
19. Check magneto main points for clearance.
(See 74-10-00, Magnetos, 100 Hour Inspection.) ................................................. O
20. Inspect magnetos for oil leaks............................................................................... O
21. Check magneto to engine timing. (See Note 6.).................................................... O O
22. Inspect security of injector nozzle and sense line. (See Note 9.) .......................... O
NOTE: Clean injector nozzles as required. (Clean with acetone only.)
23. Remove air filter and clean per 12-10-00, replace as required. (See Note 28.) .... O O
24. Inspect intake ducts for leaks and all wires that form duct
must be in place and secure ................................................................................. O
25. Inspect condition and operation of alternate air door and box .............................. O
26. Inspect alternate air door assembly (flapper valve plate)
for cracks and condition ........................................................................................ O
27. Inspect flexible hoses for condition. (See Note 15.) .............................................. O O
28. Inspect fuel system for leaks including flow dividers, lines, and fittings.
(See Note 39.) ....................................................................................................... O
29. Check fuel pumps for operation and pressure. (See 28-20-00;
73-30-00, Fuel Pump, Pressure Operational Check; and Note 22.) ...................... O
30. Check condition of vacuum pumps and security of hoses .................................... O
31. Check throttle, mixture, and propeller governor controls for travel
and operating condition. (Ensure full stop to stop travel.)...................................... O
32. Check mixture control cable for heat damage and routing .................................... O
33. Inspect exhaust stacks for cracks, hot spots, and security. Inspect
gaskets for leakage and condition. (Replace gaskets as required.) ...................... O O