TM-9-2320-285-24-2
TRUCK TRACTOR, YARD TYPE, 43,500 LB GVW, DED, 4X2, ARMY MODEL M878A1
TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL
OCTOBER 1985
TM-9-2320-285-24-2 - Page 646 of 698
TM 9-2320-285-24-2
4-5.
DIFFERENTIAL (CONT)
STEP
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (cont)
39
d.
Four capscrews
Install
Tighten to 470-550 pounds foot
(cont)
(5), and
washers (6)
e.
Helical spur
Position
Line up with cross shaft (42)
gear (11)
spur pinion by turning
adjusting nuts (7)
ADJUSTMENT
40
Differen-
a.
Adjusting nuts
Tighten
Attach dial indicator and
tial bear-(7)
tighten adjusting nuts (7)
ing preload
as shown to get 0.000 inch
end play in bearings (20).
Rotate several times to get
proper bearing contact
b.
Adjusting nuts
Set bearing
Tighten each adjusting nut (7)
(7)
preload
one notch from 0.000 inch
end play position
c.
Four capscrews
Check torque
Tighten to 470-550 pounds
(5)
foot
d.
Two new cotter
Install
pins (62)
4-165
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