Turbocharger Group - Piper Navajo Chieftain PA-31-350 Service Manual

NAVAJO CHIEFTAIN SERVICE MANUAL
TABLE III-I. INSPECTION REPORT
Nature of Inspection
Inspection time (hrs)
L R 50 100 500 1000
B. ENGINE GROUP (cont.)
37. Inspect hydraulic pump and gasket for leaks. (See Note 14.) ...........................
38. Inspect condition of flexible hydraulic lines. (See Notes 10 and 42.)...............
39. Inspect condition of pneumatic pressure pump and security of lines.................
40. Overhaul or replace pneumatic pressure pump.
41. Inspect throttle, alternate air (right engine only), injector, mixture and propeller
governor controls for travel and operating condition. (See latest revision of
Piper Service Bulletin No. 550, latest revision.) ................................................
42. Inspect exhaust stacks for cracks. Inspect exhaust stack gaskets; replace
gaskets as required..............................................................................................
43. Inspect breather tube for obstructions and security. .........................................
44. Inspect crankcase for cracks, leaks, and security of seam bolts ........................
45. Inspect engine mounts for cracks and loose mounting.......................................
46. Inspect all engine baffles for cracks. (See latest revision of Piper Service
Bulletin No. 693.)...............................................................................................
47. Inspect rubber engine mounts for deterioration. (See Note 17.) .......................
48. Inspect fire walls for cracks................................................................................
49. Inspect condition of fire wall seals ....................................................................
50. Inspect condition and tension of alternator drive belt. .......................................
51. Inspect condition of alternator and starter .........................................................
52. Inspect condition of flexible pneumatic lines; replace as necessary. (See Note
18.).................................................................
...... ................
53. Lubricate all controls. (Do not lubricate Teflon liners of control cables.) ........
54. Inspect security of air conditioning compressor mounting. ...............................
55. Check air conditioning compressor for leaks. (See Note 19.)...........................
56. Inspect compressor drive belt condition and tension. (Refer to Section XIV.).
57. Inspect compressor clutch security and wiring. (See Note 20.) ........................
58. Overhaul or replace propeller governor. (Refer to latest revision of Hartzell
Service Letter 61.) ..............................................................................................
59. Complete overhaul of engine or replace with factory rebuilt. (See Note 14.) ..
0 0
0 0
0 0
0 0
C. TURBOCHARGER GROUP
1. Visually inspect system for oil leaks, exhaust system leaks and general
condition.............................................................................................................
2. Inspect compressor wheel for nicks, cracks or broken blades............................
3. Inspect for excess bearing drag or wheel rubbing against housing ...................
4. Inspect turbine wheel for broken blades or signs of rubbing. ............................
5. Inspect oil inlet and outlet ports in center housing for leaks..............................
6. Inspect turbine heat blanket for condition and security .....................................
7. Inspect linkage between bypass valve and actuator...........................................
8. Inspect induction and exhaust components for worn or damaged areas,
loose clamps, cracks and leaks. (See Notes 21, 22 and 23.) .............................
9. Inspect the turbocharger mount for cracks, condition and security to the
engine and turbocharger. (See Note 24.) ...........................................................
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Revised: 3/31/94
Interim Revision: 12/30/94
INSPECTION
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