Piper Warrior III - SCHEDULED MAINTENANCE; PROPELLER GROUP; ENGINE GROUP

PIPER AIRCRAFT, INC.
PA-28-161, WARRIOR III
MAINTENANCE MANUAL
PAGE 7
Nov 30/06
1D1
5-20-00
5. Scheduled Maintenance
Refer to Notes 1, 2, 3, and 4 before performing the following inspections.
Inspection
NATURE OF INSPECTION Interval (Hrs)
50 100
A. PROPELLER GROUP
WARNING: PROPELLER MAY KICK BACK WHEN ROTATED BY HAND - USE
EXTREME CAUTION. SWITCH OFF (GROUND) BOTH MAGNETOS
BEFORE ROTATING PROPELLER.
1. Inspect spinner and back plate for cracks ............................................................ O O
2. Inspect blades for nicks and cracks ...................................................................... O O
3. Inspect spinner mounting brackets for cracks ...................................................... O
4. Inspect propeller mounting bolts and safety. (Check torque if safety is broken.)... O
5. Inspect hub for cracks and corrosion .................................................................... O
6. Inspect complete propeller and spinner assembly for security, chafing,
cracks, deterioration, wear and correct installation .............................................. O
7. Recondition propeller as required ......................................................................... O
B. ENGINE GROUP
W
ARNING: GROUND MAGNETO TO PRIMARY CIRCUIT BEFORE WORKING
ON ENGINE.
NO
TE: Read Note 5 prior to completing this inspection group.
1. Remove and inspect engine cowling for damage.................................................. O O
2. Clean and inspect cowling for cracks, distortion, and loose or missing
fasteners................................................................................................................ O
3. Drain oil sump. (See Note 6.) ............................................................................... O O
4. Clean suction oil strainer at oil change. Inspect strainer for foreign particles........ O O
5. Clean pressure oil strainer and change full flow (cartridge type) oil filter
element. Inspect strainer and element for foreign particles. (See Note 6.)............ O O
6. Inspect oil temperature sender unit for leaks and security.................................... O
7. Inspect oil lines and fittings for leaks, security, chafing, dents and cracks............ O O
8. Clean and inspect oil radiator cooling fins............................................................. O
9. Fill engine with oil per information on cowling or Lubrication Chart, 12-20-00...... O O
CAUTION: DO NOT CONTAMINATE THE VACUUM PUMP WITH CLEANING
FLUID. (SEE LATEST REVISION OF LYCOMING SERVICE
INSTRUCTION NO. 1221.)
10. Clean engine ......................................................................................................... O
11. Inspect condition of spark plugs. Clean and adjust gap as required, per
latest revision of Lycoming Service Instruction No. 1042. .................................... O
NOTE: If fouling of spark plugs has been apparent, rotate bottom plugs to upper
plugs.
12. Inspect spark plug cable leads.............................................................................. O O
13. Check cylinder compression. (Ref: AC 43.13-1 latest revision.)............................ O