Figure 6-85. Drive cluster gear

C a u t i o n : Do not use an arbor press to remove

b a l l bearings from drive cluster gear. The gear is

designed with a shoulder between the two

bearings.

Disassemble

1. Remove ball bearings (A) from drive cluster gear

using a brass drift.

C a u t i o n : The piston oil cooling valve is a

2. Remove thrust washer (B).

spring loaded assembly. Exercise care when

Figure 6-85. Drive cluster gear - exploded

disassembling.

view.

1. Compress valve spring and remove retaining ring (A)

from valve stem.

2. Gradually release spring compression and remove

valve and spring (B) from body.

Assemble

1. Position valve and spring (B) in body.

2. Compress spring until valve stem protrudes from body

and install retaining ring (A).

Figure 6-86. Disassembling or assembling

p i s t o n oil cooling v a l v e a s s e m b l y .

cluster gear.

c. Cleaning. Refer to paragraph 6-2.

d . Inspection. Refer to paragraph 6-3. Inspect

p a r t s to the limits specified in overhaul standards

6-84