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On counterweighted propeller move blades to low
1.
pitch and check exposed portion of piston for
corrosion, galling or nicks.
Inspect the hub parts for cracks and corrosion and
2.
fasteners for security.
3.
Check hub for grease and oil leaks.
Check piston tightness.
4.
specifics.
Check security of counterweight bearing and shaft
installation.
5.
weight bracket and bronze thrush washer.
Minimum clearance should be 0.003 to 0.006
inches. Refer to Section 4 for specifics.
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
6.
complete when grease emerges from the rear 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.
Inspect exterior parts of propeller blades for
corrosion, bends, nicks and cracks.
7.
examine leading and trailing edges and tip for
developing cracks.
Check that prop governor belcrank is hitting stop
8.
in full low pitch.
B: ENGINE EXTERNALS
REFER TO THE ENGINES' APPROPRIATE PRATT & WHITNEY
MAINTENANCE MANUAL FOR PERTINENT DETAILS ON
Check the tubing, wiring, control linkages, and
1.
hose assemblies for security of all the accessible
connections, clamps, and brackets.
Check tubing, wiring, control linkages and hose
2.
assemblies for evidence of wear, chafing, cracks,
and corrosion.
Lubricate interconnecting rod ball ends, where
3.
applicable.
Effective: 01/01/08
THRUSH AIRCRAFT, INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
Table 2-2: INSPECTION CHECK LIST
A: PROPELLER
Refer to Section 4 for
Check clearance between counter-
ENGINE INSPECTION
Carefully
X
X
X
X
X
X
X
X
X
X
X
2-23
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