6-23. UPPER BALL JOINT MAINTENANCE (Cont’d)
1.
Remove cotter pin (7) and slotted nut (6) from upper ball joint (4) and geared hub (5). Discard cotter
pin (7).
2.
Remove four locknuts (3), washers (2), capscrews (8), washers (2), upper ball joint (4), and upper
control arm (1) from geared hub (5). Discard locknuts (3).
1.
Install upper ball joint (4) and upper control arm (1) on geared hub (5) with four washers (2),
capscrews (8), washers (2), and locknuts (3). Tighten locknuts (3) to 26-30 lb-ft (35-41 N•m).
CAUTION
Do not loosen slotted nut to install cotter pin. Doing this may
result in damage to equipment.
2.
Install slotted nut (6) on upper ball joint (4). Using crowfoot and adapter, tighten slotted nut (6) to
73 lb-ft (99 N•m). Install cotter pin (7).
c. Installation
b. Removal
TM 9-2320-387-24-1
6-52.2
Change 1
