TM 5-3610-287-24
3-19.
REPAIR EXPANDING SIDE GEAR MECHANISM (CONT)
3.
Remove both removable floor sections.
4.
Remove 10 screws (1) securing seal strip (2) to Section. Move
seal strip (2) aside.
NOTE
A second person is required to hold expanding side in
position with pry bar while the following steps are
performed.
5.
Insert pry bar (3) between Section floor (4) and expanding side (5).
Apply pressure to hold expanding side (5) in position.
6.
Remove bolts (6), lockwashers , and vertical gear rack positioning
roller assembly (7).
7.
Position new vertical gear rack positioning roller assembly (7).
Install bolts (6) and lockwashers. Snug, but do not tighten.
8.
Apply pressure to pry bar (3) until there is 1/16- to 1/8-inch
(1-2 cm) clearance between spur gear (8) and teeth and lower gear
rack (9) as illustrated.
9.
Position roller assembly (7) firmly against expanding side (5)
and secure bolts (6). Remove pry bar (3).
10.
Ensure clearance between spur gear (8) and lower gear rack (9) remains
1/16- to 1/8-inch (1-2 cm).
11.
Remove hydraulic jack.
CAUTION
Before retracting expanding side, ensure areas at both
expanding side tracks are clear of obstructions. Failure to
do so may result in equipment damage.
12.
Retract expanding side (5) 4 to 6 inches (10-15 cm).
Position seal strip (2) and secure with screws (1).
13.
14.
Ensure rubber seal is firmly in track.
15.
Extend expanding side (5).
16.
Install removable floor section.
