TM 5-4310-393-14
a.
Install new cover (Figure 5-51, Item 12)
b.
Apply lubricating oil to the threads of two socket head cap screws (Figure 5-51, Item 14) and contact
surface of counterweight (13). Install counterweight and two socket head cap screws. Torque socket head cap screws to
16 Ib.-ft (22 Nm)
CAUTION
Handling heated parts can cause severe burns. Use proper equipment to handle
heated parts
c.
Using an oven, heat the inner races of roller bearings (15 and 16) to 160F to 175F (70C to 80C) and
press them onto crankshaft (1).
d.
Install retaining ring (4) into roller bearing outer race (5) and press bearing race into crankcase until t comes
to a stop at the retaining ring.
e.
Push roller bearing outer race (3) onto crankshaft (1).
f.
Install crankcase end play mounting device 666 074 00 on crankshaft
CAUTION
Handling heated parts can cause severe burns. Use proper equipment to handle
heated parts
g.
Using an oven, heat crankcase (1) to 175F 210F (80C 100C).
h.
Push in crankshaft (1) and crankcase end play mounting device 66607400 until mounting device stops.
Allow crankcase to cool. Remove mounting device
i.
Using an oven, heat ball hub disc (6), ball hub (7) and spacer (8) to 175F to 210F (80C 100C).
j.
Install spacer (8), ball hub (7) and ball hub disc (6) onto crankshaft using ball hub Impact mandrel
66606700.
NOTE
Ball (9), ball shell (10), and sliding disc (11) are governor components. Refer to
paragraph 5-6.9 for instructions on installation of these parts.
5-49
