Piper Navajo PA-31 Service Manual page 95

PIPER NAVAJO SERVICE MANUAL
TABLE III-1. INSPECTION REPORT
NOTE-
Refer to Notes 1, 2, 3, and 4 before performing inspections.
-NOTE-
Perform all inspections or operations at each inspection interval
as indicated by a circle (O).
Nature of Inspection
A. PROPELLER GROUP
1. Inspect spinner and back plate for cracks ...........................................................
2. Inspect blades for nicks and cracks. ..................................................................
3. Inspect for grease and oil leaks...........................................................................
4. Lubricate per lubrication chart. (Refer to section II).........................................
5. Inspect spinner mounting brackets for cracks. ..................................................
6. Inspect propeller mounting bolts and safety. (Check torque if safety is broken)
7. Inspect hub parts for cracks and corrosion. (Refer to Piper Service Bulletin
No's. 926 and 927, latest revision of Hartzell Propeller Inc. Service Bulletin
No's. 164 and 165, and AD 93-16-14.) ..............................................................
8. Rotate blades and check for tightness in hub pilot tube. ....................................
9. Inspect propeller air pressure. (Check at least once a month.) ..........................
10. Check condition of propeller deicer system. (Refer to section XIV.)................
11. If installed, inspect condition of synchronizer or synchrophaser. ......................
12. Remove propellers; remove sludge from propeller and crankshaft. (See Note
45.).....................................................................................................................
13. Overhaul propeller. (See Note 8.)......................................................................
Inspection time (hrs)
L R 50 100 500 1000
0000
0000
0000
B. ENGINE GROUP
WARNING: Ground magneto primary circuit before working on
engine.
NOTE:
Read notes 5, 6 and 7 prior to completing this inspec-
tion group.
1. Remove engine cowl. (See Note 44) .................................................................
2. Clean and inspect cowling for cracks, distortion, and loose or missing fasteners.
3. Drain oil sump................................................................
4. Clean suction oil screen at oil change. Inspect screen for foreign particles .....
THIS SPACE INTENTIONALLY LEFT BLANK
Revised: 2/18/94
Interim Revision: 12/02/94
INSPECTION
1D23