TM 5-3805-254-34
6-40.
GEAR UNIT REPAIR (Con’t).
NOTE
• Disassembly of front planetary carrier is required only if obvious wear or damage is evident.
• Perform steps 3 through 6 to disassemble FRONT planetary carrier.
3.
Using X in. drill bit, center drill bit over one end
of each of six pinion pins (8).
4.
Drill downward into each pinion pin (8) until
swaged end of each pinion pin is weakened for
removal. Ensure that metal of front planetary
carrier (4) is not removed.
NOTE
As each pinion pin is removed, keep
pinion gear, two bearing washers, and
two bearing seats together as a set.
5.
Press six pinion pins (8) from front planetary
carrier (4). Remove six pinion gears (11), 12
bearing washers (9), and 12 bearing seats (10).
Discard pinion pins.
6.
Remove one cone (12) from each of six pinion
gears (11).
7.
Remove sun gearshaft (6) and thrust washer
(13) from main shaft (16).
8.
Remove large retaining ring (14) and ring gear
(15) from planetary drum (7).
TA703902
6-187
