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 117 of 698
TM 9-2320-285-24-2
3-17.
TRANSMISSION MAINTENANCE (CONT)I
c. Replacement (cont).
(2)
Detailed Procedure Covering Replacement.
This task covers the detailed procedure for replacing the transmission.
INITIAL SETUP:
Tools
No.
1 Common Organizational Maintenance
Tool Kit
Combination wrench set
Socket wrench set
Automotive Mechanic’s Tool Kit
Drive pin punch
Torque wrench, 700 pounds foot capacity
Three-strand sling
Hoist, 1000 pounds capacity
Materials/Parts
Transmission fluid Item 8, Appendix C
Converter retain-
ing strap
FSCM 73342 PN 6837993
Personnel Required
Two Automotive Repairers MOS 63H
Equipment Condition
Paragraph
Condition Description
Vehicle parked over maintenance
bay, engine off, and parking
brake applied.
Cab tilted 45 degrees.
Rear of engine supported (with
jack from below or chain from
above).
2-29
Water level sensor removed.
2-65c Rear platform removed.
Equipment Condition (cont)
Paragraph
Condition Description
2-65d
Rear cab guard removed.
2-41i
Modulator cable disconnected
from transmission.
2-42
Drive shaft removed.
3-42a
Hydraulic pump removed (lines
still connected).
2-85
Speedometer cable, adapter, and
gear assembly removed from
transmission.
2-32e
Transmission temperature sender
disconnected from transmission.
2-41b
Transmission dipstick removed.
2-41j
Transmission oil sampling valve
removed.
2-41k
Transmission dipstick tube
removed.
2-34a
Battery ground cable discon-
nected from transmission.
3-42b
Power take-off removed.
2-41h(l) Shift lockout cylinder air
lines disconnected.
2-41h(2) Shift lockout removed (trans-
mission mount capscrews
reinstalled).
2-41g(1) Gear shift linkage and lever
removed.
2-41e
External oil filter hoses and
fittings removed from
transmission.
3-111
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