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 81 of 632
TM 9-2320-279-34-2
Axles No. 3 and No. 4 Maintenance Instructions (Cont)
a. Disassembly.
(1)
Check ring gear (1) backlash with dial indicator. Move
ring gear back and forth to measure backlash. Record
backlash.
(2)
Check tooth contact pattern.
Paint one-third of teeth ring
gear (1) with prussian blue
dye. Roll ring gear one-third .
turn, then rock ring gear
forward and backward to set
pattern in dye. Record ring
gear tooth pattern.
(3)
(4)
(5)
Remove lockwire from two screws (2).
Remove cotter pin
(3)
and adjuster lock (4) from bearing
cap (5). Matchmark center of bearing cap.
Remove two screws (2), washers (6), and bearing
cap (5).
10-63
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