TM 10-4320-318-14
6-10. MAINTENANCE OF CRANKSHAFT - (Cont)
WARNING
Wear gloves to handle heated parts. Heated parts may burn hands.
(b) Preheat disc (10), ball hub (1 2), and spacer (13) to 160° - 175°F (70 - 80°C).
(c) Remove disc (10) and balls (11).
(d) Remove ball hub (12) and spacer (13).
WARNING
Wear gloves to handle heated parts. Heated parts may burn hands.
(2) Heat inner race (14) to 160-175 °F (70-80 °C). Remove inner race from crankshaft (16).
NOTE
Outer race remains in crankcase.
c.
INSPECT.
(1) Inspect crankshaft (15) for cracks.
(2) Inspect crankshaft journal for grooves, burrs, and discoloration. Replace damaged crankshaft.
(3) Measure crankpin journal at two points in horizontal and vertical plane. Record all measurements.
(4) Compare measurements and replace crankshaft if diameter of crankpin is less than 1.6508 inches
(41.030 mm) or out-of-roundness exceeds: 0.0002 inch (0.005 mm).
d.
REPAIR.
Repair consists of replacement of defective parts.
e.
ASSEMBLE
(1) Assemble governor components as follows:
WARNING
Wear gloves to handle heated parts.
(a) Preheat spacer (13), ball hub (12) and disc
(b) Apply small amount of grease to balls (11).
Heated parts may burn hands.
(10) to 160-175°F (70-80 °C).
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