Propeller Group Inspections; Engine Group Inspections; Scheduled Maintenance Checks 1B1 9R; Periodic Inspections 1B1 A - Piper PA-44-180 SEMINOLE Maintenance Manual

SCHEDULED MAINTENANCE CHECKS
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 propeller per lubrication chart (Refer to
Chapter 12) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 . Inspect spinner mounting brackets for cracks (See
Note 19) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6. Inspect propeller mounting bolts and safety (Check torque if
safety is broken).....................................................................
7. Inspect hub parts for cracks and corrosion ............................
8. Rotate blades of constant speed propeller and check for
tightness in hub pilot tube (See Note 19)...............................
9 . Remove constant speed propeller; remove sludge from
p r opeller and crankshaft.........................................................
1 0 . Inspect complete propeller and spinner assembly for security,
chafing, cracks, deterioration, wear and correct installation .
11. Check propeller air pressure (at least once a month).............
12. Overhaul propeller (See Note 14)..........................................
13. Inspect electric tachometer magnetic pickups for security
(PA-44-180T only).................................................................
B. ENGINE GROUP
C A U T I O N : GROUND MAGNETO PRIMARY CIRCUIT
BEFORE WORKING ON ENGINE.
Note: Read Note 5 prior to completing this inspection
group.
1. Remove engine cowl ..............................................................
2. Clean and check cowling for cracks, distortion, and loose or
missing fasteners.....................................................................
3. Drain oil sump. Drain while engine is warm (See Note 6)....
PIPER AIRCRAFT
PA-44-180/180T
AIRPLANE MAINTENANCE MANUAL
PERIODIC INSPECTIONS
—Note—
Refer top Notes 1, 2, 3, and 4 performing inspections.
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1B1
Inspection time (hrs)
R 50 100 500
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O O
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Revised: June 20, 1995
1000
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5-21-00
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