Inspection Chart - Thrush Aircraft S2R–T660 Maintenance Manual

INSPECTION CHART

(Refer to Hartzell Manual #139 Propeller Owner's Manual and Logbook.)
1. Remove the spinner and check for cracks.
2. Check the back plate for cracks and corrosion.
3. Check for grease and oil leaks.
4. Check the pitch rods and lock nuts.
5. Check the condition of the reverse return springs.
6. Check the hub bolts and balance screws of the blades for safety.
7. Inspect the blades for nicks and cracks. Refer to the Hartzell
Manual #139.
The propeller blades must be shot peened
between stations 7.0 and 30.0 on both face
and camber sides. Blades having damage to
the shot peened areas exceeding 0.015 inch
deep (including material removal necessary to
blend out such damage) must be removed
from service and the reworked area shot
peened before further flight.
leading and trailing edge damage, a 0.250 inch
deep rework limit applies before shot peened is
required.
8. Inspect the hub parts for cracks and corrosion.
9. Lubricate the propeller with Aeroshell 6 grease only.
Remove the rear "Zerk" fitting from each blade clamp.
Using a hand operated grease gun, grease each forward
fitting slowly. Lubrication is complete when grease
emerges in a steady flow with no air pockets or moisture,
and has the color and texture of the new grease.
Reinstalled the rear "Zerk" fittings.
Effective: 01/10/05
THRUSH AIRCRAFT INC - T660 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
PROPELLER
*** WARNING ***
NOTE: For
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