TM 9-2320-280-20-2
8-18. IDLER ARM MAINTENANCE
This task covers:
a. Removal
c. Inspection
b. Installation
INITIAL SETUP:
Tools
Manual References
General mechanic’s tool kit:
TM 9-2320-280-10
automotive (Appendix B, Item 1)
TM 9-2320-280-24P
Pickle fork (Appendix B, Item 129)
Spring scale, dial indicating
Equipment Condition
(Appendix B, Item 2)
Front of vehicle raised and supported
(para. 8-2).
Materials/Parts
Cotter pin (Appendix G, Item 19)
1. Remove cotter pin (1) and slotted nut (8) from idler arm (7) and center link (2). Discard cotter
pin (1).
2. Using puller, disconnect center link (2) from idler arm (7).
3. Remove two nuts (6), washers (4), capscrews (3), washers (4), and idler arm (7) from frame (5).
1. Install idler arm (7) to frame (5) with two washers (4), capscrews (3), washers (4), and nuts (6).
Tighten nuts (6) to 60 lb-ft (81 N m).
2. Install idler arm (7) to center link (2) with slotted nut (8). Tighten slotted nut (8) to
80 lb-ft (108 N m).
CAUTION
Do not loosen slotted nut to install cotter pin. Doing this may result
in damage to equipment.
3. Install cotter pin (1) in slotted nut (8).
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