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D.
Cleaning, Inspection, and Repair
(1) Check for oil and grease leaks.
(2) Clean the spinner, propeller hub interior, 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 the 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, remove the pitch change
mechanism so that each blade can be checked individually. If the blades are tight, the propeller
should be disassembled.
3.
Propeller Blade Inspection and Repair
All-Metal Blades
(1) Inspect the blades for damage or cracks. Nicks in the leading edges of the blades should be
filed out and all edges rounded, to prevent formation of cracks. Use fine emery cloth for
finishing.
(2) Refer to Figure 2 for all-metal propeller blade care.
7C13
PIPER AIRCRAFT, INC.
PA-46-500TP, MALIBU MERIDIAN
MAINTENANCE MANUAL
Typical Nicks and Removal Method for All-Metal Blades
Figure 5
61-10-00
Apr 15/07
PAGE 5
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Troubleshooting
