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 1082 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).

This task covers:

a.

Removal

b.

Disasembly

c.

Inspection/Repair

d.

Reassembly

e.

Installation

INITIAL SETUP

Materials/Parts

Adhesive (item 5, appx C)

Electrical wire (figure D-2, appx D)

Gasket

Lockwassher (2)

Lockwasher (11)

Preformed packing

Rubber hhose (figure D-17, appx D)

Self-locking nut (4)

Self-locking nut (4)

Strainer element

Equpupment conditioins

MASTER power switch and instrument

swith in Off position

Fuel supply valve at fuel tank in OFF

position

2-1036

Exhaust port cover removed

2-938

Hul transmission compartment

deck assembly removed

2-935

Hull engine compartment deck

assembly lid reoved

2-100

Coolant heater shield removed

References

TM 9-2350-238F-24P-1

1

2

3

4

5

6

7

Disconnect exhaust tube (1) from engine

coolant heater (2).

Disconnect nonmetallic hose assembly (3)

from electrical fuel pump pipe to hose

elbow (4).

Remove 12 screws (5) and 12 washers (6)

from coolant heater mounting plate (7).

Lift engine coolant heater (2) from hull and

Support.

Disconnect heater electrical control box

electrical connector (8).

Loosen hose clamp (9) and disconnect

hose (10) from centrifugal pump unit (11).

Loosen hose clamp (12) and disconnect

hose (13) from pipe to hose elbow (14).

2-1056