TM 9-2350-256-20
CHAPTER 8: MAINTENANCE OF SUSPENSION SYSTEM
8-3 REPLACE ROADWHEEL ARM ASSEMBLY--Continued
6 Install bearing washer (10) with shoulder toward
bearing.
7 Install new key washer (8) and bearing nut (9) using
wrench. Tighten bearing nut until bearings (11 and
14) cannot be turned. Then back off bearing nut
just enough so that inner bearing and outer bearing
will turn by hand 1 complete turn.
8 Turn back tangs of key washer (8) to lock bearing
nut (9).
WARNING
Roadwheel arm assembly is heavy, use
care when removing assembly to avoid
injury.
9 Install roadwheel arm assembly (4) and new gasket
(5) assembled into roadwheel arm support housing
(6) and secure with six screws (1) and six new
lockwashers (2). Torque screws to 90-100 lb-ft
(122-136 N m).
NOTE
Follow-on maintenance: Tighten track tension (refer
to TM 9-2350-256-10)
Connect shock absorber
(see paragraph 8-12) or
compensating idler link
(see paragraph 8-8)
Install torsion bar (see
paragraph 8-2)
Install
roadwheel
(see
paragraph 8-1)
8-8
