Piper SARATOGA PA-32-301 Maintenance Manual page 469

PIPER AIRCRAFT
PA-32-301/301T
MAINTENANCE MANUAL
CLEANING, INSPECTION AND REPAIR OF PROPELLER.
1. Check for oil and grease leaks.
2. Clean the spinner, propeller hub interior and exterior, and blades with a non-corrosive solvent.
3. Inspect the hub parts for cracks.
4. Steel hub parts should not be permitted to rust. Use aluminum paint to touch up if necessary, or
replate during overhaul.
5. Check all visible parts for wear and safety.
6. Check blades to determine whether they turn freely on the hub pivot tube. This can be done by
rocking the blades back and forth through the slight freedom allowed by the pitch change mechanism. If they
appear tight and are properly lubricated, the pitch change mechanism should be removed so that each blade
can be checked individually. If blades are tight, the propeller should be disassembled.
7. Inspect blades for damage or cracks. Nicks in leadingedges of blades should be filed out and all edges
rounded, as cracks sometimes start from such places. Use fine emery cloth for finishing. Refer to Figure 61-I
for propeller blade care.
INSTALLATION OF PROPELLER. (PA-32-301)
1. Insure master and magneto switches are off.
2. Place fuel selector to off position.
3. Place mixture control in idle cut-off.
4. Observe the starter ring gear to make sure it is mounted properly on the engine crankshaft flange. One
of the bushings on the crankshaft is stamped with an "O" mark and it must be inserted in the starter ring gear
hole. likewise identified with an "O" mark.
5. Wipe crankshaft and propeller pilot to assure that no chips or foreign matter enter the propeller
mechanism.
6. Check interior of propeller hub for proper seating of O-ring. Wipe inside of hub to remove an t races
of dirt. Check to see that O-ring is covered with grease.
7. Install prop with blades aligned with mounting bolt hole marked "O".
8. Install rear spinner bulkhead.
9. Slide propeller carefully over pilot, taking care that O-ring is not damaged.
10. Install the six hexagon head propeller hub mounting bolts and torque per Chart 6101.
II.
Check propeller blade track as given in Blade Track.
12. Safety the propeller mounting bolts with MS20995-C41 safety wire.
13. Grease blade hub through zerk fittings. Remove one of the two fittings for each propeller blade.
alternate the next time. Apply grease through the zerk fitting until fresh grease appears at the fitting hole of the
removed fitting. Care should be taken to avoid blowing out hub gaskets.
14. Install the forward spinner bulkhead and torque bolts per Chart 6101. Safety bolts with MS20995-
C41 safety wire.
15. Install spinner and spinner cuff. Torque all attachment screws per Chart 6101.
61-10-04
Page 61-07
Revised: August 9. 1984
2110