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 TM 9-2350-238-20-1
2-148. MAINTENANCE OF IDLER WHEEL ARM AND HUB ASSEMBLY AND
ATTACHING PARTS, AND IDLER WHEEL ARM AND HUB (CONT).
1
Install idler wheel bar (1), two hexagon
head capscrews (2), two flat washers (3),
and two new self-locking nuts (4) to pivot
arm assembly (5).
2
Coat outside edge of new plain encased
seal (6) with sealing compound.
Using seal inserter (item 12, appx G) and
3
remover and replacer handle, install new
plain encased seal (6) in arm to wheel
support roadwheel flange (7).
Lubricate new preformed packing (8) with
4
grease.
Install new preformed packing (8) in
5
groove of arm to wheel support roadwheel
flange (7).
6
Coat arm to wheel support roadwheel
flange (7) and hull-to-flange mounting
surface with sealing compound.
Install arm to wheel support roadwheel
7
flange (7) and new plain encased seal (8)
on pivot arm assembly (5).
NOTE
Maintain a 0.010 to 0.015 in. (0.254
to 0.381 mm) clearance between
roller bearing and arm to wheel
support roadwheel flange.
Install new inner bearing ring (9) and new
8
roller bearing (10), using bearing inserter.
2-860
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