TM-9-2350-238-20-1

HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL

MAY 1994

TM-9-2350-238-20-1 - Page 1084 of 1364

TM 9-2350-238-20-1

2-186. MAINTENANCE OF ENGINE COOLANT HEATER AND COOLANT HEATER

ASSEMBLY BRANCHED WIRING HARNESS (HEATER INSTALLATION KIT)

(CONT).

DISASSEMBLY (CONT)

9

10

11

12

13

14

Remove drain cock (22), pipe coupling

(23), pipe straight adapter (24), and metal

tube assembly (25).

Remove four self-locking nuts (26), two

heater control box cover spring retainers

(27), torsion heater control box cover

helical spring (28), coolant heater control

box cover butt hinge (29), heater control

box cover hinge plate (30), four machine

screws (31), and access cover (32).

If damaged, remove coolant heater

instruction plate (33) from access cover

(32).

Remove two hose clamps (34) and rubber

hose (35) from coolant heater assembly

(10) and pipe to hose elbow (36).

Remove pipe to tube straight adapter (37)

from coolant heater assembly.

Remove two nuts (38) and centrifugal

pump unit (13) from coolant heater

mounting plate (6).

Remove two pipe to hose elbows (36 and

39) and hose clamp (40).

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