APU GEAR CASE: DISASSEMBLY, INSPECTION, REPAIR AND ASSEMBLY (CONTINUED)
Y
Z
AA
AB
AC
AD
Install two 1/4-20 screws in bearing retainer (37).
Alternately tighten 1/4-20 screws until bearing retainer (37) is
pushed free from chain housing (23).
Remove and discard gasket (38).
Remove drive seal (39) and bearing (40) from bearing retainer (37).
Discard seal.
Remove sprocket (41).
Remove drive bearing (42) from opening in chain housing (23).
INSPECTION
A Inspect sprockets for worn, chipped, or cracked teeth.
B
Inspect bearings per TM 9-214.
C Inspect gear case for cracks.
D
Inspect chain for wear.
REPAIR
Replace broken or defective parts.
12-11
Change 4
TM 9-2350-267-34
