TM 10-4320-307-24
4-6
SPEED INCREASER REPAIR (CONT).
(2) Install indicator with the tip resting on end of shaft. Mark the spot where the tip is resting. Zero the indicator.
(3) Attach hoist to the special tool and apply upward pressure onto shaft.
(4) Rotate shaft several times in each direction with upward pressure applied. Stop with the tip on the marked
spot.
(5) The indicator reading is the endplay. Remove shims to adjust endplay to 0.004 to 0.006 inch (0.10 to 0.152
mm).
(6) Apply sealant M-2828 to both sides of each shim.
NOTE
The sealant adds to the shim pack. Therefore, the endplay must be rechecked
and adjusted if necessary after the shims with sealant are installed.
ab. Turn the unit over so that output side is up.
ac. Install roller bearing outer race (45) just far
enough into housing so that seal carrier (46)
can be started.
ad. Apply sealant M-2828 to the outside diame-
ter of oil seal (47) and install oil seal into the
bore of seal carrier (46) with lip toward oil be-
ing retained. Place a flat disc over the seal
and drive it in flush with seal carrier.
ae. Install a 0.065 inch (1.651 mm) shim
pack (48) and seal carrier (46). Secure with
screws (49). Torque screws to 27 +2 ft-lbs
(36.60 +2.71 N.m).
af. Press downward on output gear shaft while rotating it several times in each direction.
ag. Install eyebolt into end of shaft.
ah. Mount indicator with the tip resting on end of shaft, and mark the spot where the tip is resting. Zero the indicator.
ai. Attach hoist and apply upward pressure on shaft while rotating it several times in each direction. Stop with the tip
resting on the marked spot.
aj. The indicator reading is the endplay.
ak. Remove shims to adjust endplay to 0.004 to 0.006 inch (0.10 to 0.152 mm).
al. Apply sealant M-2828 to both sides of each shim.
NOTE
The sealant adds to the shim pack. Therefore, the endplay must be rechecked
and the shims with sealant are installed.
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