Piper PA-24 Comanche, Service Manual

Page: 155 / 846

PIPER COMANCHE SERVICE MANUAL
04/01/09 III - INSPECTION
1D17
TABLE III-I. INSPECTION REPORT - PA-24 / PA-24-250/260/400
(cont.)
Inspection
NATURE OF INSPECTION Interval (Hrs)
50 100
40. Lubricate all controls per lubrication chart in Section II ....................................... O
41. Reinstall engine cowling; except for
PA-24-260 Turbo, proceed to Turbocharger Group ............................................... O O
C. TURBOCHARGER GROUP (PA-24-260 TURBO ONLY)
1. Inspect all air inlet ducting and compressor discharge ducting
for worn spots, loose clamps or leaks ...................................................................
O O
2. Inspect engine air inlet assembly for cracks, loose clamps and screws ................. O O
3. Inspect wastegate housing, exhaust ducting, and exhaust
stacks for signs of leaks or cracks..........................................................................
O O
4. Carefully inspect all turbo support brackets, struts, etc.,
for breakage, sagging or wear ................................................................................
O O
5. Inspect all oil lines, fuel lines, and fittings for wear,
leakage, heat damage or fatigue (See Special Inspections) ...................................
O O
6. Actuate wastegate control; check spring pre-load and
examine control for any pending sign of breakage ................................................
O O
7. Inspect V-Band Coupling per paragraph 7C-24 ..................................................... O
8. Remove inlet hose to compressor and visually inspect
compressor wheel...................................................................................................
O
9. Inspect the compressor wheel for nicks, cracks or broken blades ......................... O
10. Inspect for excess bearing drag or wheel rubbing against housing........................ O
11. Inspect induction and exhaust components for worn or damaged
areas, loose clamps, cracks and leaks. .................................................................. O
12. Inspect turbine wheel for broken blades or signs of rubbing ................................. O
13. Inspect turbine heat blanket for condition and security ......................................... O
14. Inspect rigging of exhaust wastegates.................................................................... O
15. Inspect rigging of alternate air control................................................................... O
16. Reinstall engine cowl ............................................................................................. O
17. Run up engine, check instruments for smooth, steady response............................ O O