TM 9-2330-389-14&P
4-31.
IDLER HUB MAINTENANCE (Cont).
1.
Remove grease cap (1) from idler hub (2).
2.
Remove cotter pin (3) from nut retainer (4). Remove nut retainer (4) from rear frame assembly spindle (7).
Discard cotter pin.
3.
Loosen nut (5) and rotate idler hub (2) while tightening nut (5) until binding starts. Loosen nut (5) 1/16 turn or
until idler hub (2) does not bind.
NOTE
Try to move Idler hub by rocking. If idler hub moves, tighten nut 1/16 turn and
recheck.
4.
Install nut retainer (4) and new cotter pin (3) on rear frame assembly spindle (7).
CAUTION
Avoid hammering in center of grease cap to prevent damage. Tapping around
circumference near shoulder will prevent binding.
5.
Install grease cap (1) on idler hub (2).
FOLLOW-ON MAINTENANCE:
* Install tire assembly (para 4-28).
4-45