TM-9-2320-285-24-1
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-9-2320-285-24-1 - Page 158 of 987
TM 9-2320-285-24-1
2-15.
COOLING SYSTEM MAINTENANCE (CONT)
b.
Coolant Filter.
(1)
Servicing.
This task covers coolant filter element replacement.
INITIAL SETUP:
Tools
Equipment Condition
Strap type oil filter wrench
Paragraph
Condition Description
Materials/Parts
Parked on level surface;
Antifreeze
Item 25, Appendix C
parking brake applied; engine
Filter element
FSCM 59549 PN PFC-22
off.
2-65c
Rear platform removed.
Personnel Required
Wheel Vehicle Mechanic MOS 63B
STEP
LOCATION
ITEM
ACTION
REMARKS
SERVICING
WARNING
Remove radiator cap slowly to relieve pressure before completely removing when engine is
hot.
Failure to follow this procedure could cause severe injury.
If you are scalded by steam,
seek medical aid immediately.
1
Radiator,
Radiator cap
Remove
Rotate counterclockwise
top
2
Radiator,
Drain cock
Open
Drain radiator
bottom
3
Engine
Cylinder block
Open
Drain cooling system
drain cocks
4
Rail,
Coolant filter
a.
Remove and
Use filter wrench, -turn
behind
element
discard
counterclockwise to remove
cab guard
b.
Install
Install until gasket contacts
new
base; then turn one-half of
element
a turn to obtain proper
seal
5
Engine
Cylinder block
Close
Tighten securely
drain cocks
6
Radiator,
Drain cock
Close
Tighten securely
bottom
7
Radiator,
Radiator
Fill
Para 2-15a(l)
top
8
Behind
Rear platform
Install
Para 2-65c
cab guard
2-135
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