TM-9-2320-279-34-2
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 2 OF 3
TM-9-2320-279-34-2 - Page 72 of 632
TM 9-2320-279-34-2
Axles No. 3 and No. 4 Maintenance Instructions (Cont)
10-10. DIFFERENTIAL CARRIER, AXLE NO. 3 (AXLE MODELS 480, 580, AND 650) REPAIR
(CONT).
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Install bearing adjuster (54) finger-tight.
Install bearing adjuster (55) finger-tight.
Tighten four screws (49 and 52) to 40 to 50 lb-ft (54 to 68 N·m).
NOTE
Aline notch in bearing adjusters with mark on bearing caps.
Tighten bearing adjuster (54) until one thread shows.
Turn bearing adjuster (55) until ring gear (10) cannot be rocked back and forth toward two
bearing adjusters (54 and 55) and there is no backlash.
Rotate ring gear (10) and
check
for bind. If ring gear binds, turn bearing adjuster (54), then
retighten until ring gear does not bind.
Tighten bearing adjuster (55) until it contacts bearing cup or resists turning.
Tighten bearing adjuster (54) two or three notches until ring gear (10) has backlash.
10-54
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