TM-9-2320-283-34-1

TRUCK TRACTOR, LINE HAUL, 50,000 GVWR, 6X4, M915A1

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

DECEMBER 1983

TM-9-2320-283-34-1 - Page 133 of 624

TM 9-2320-283-34-1

COOLING SYSTEM.

3-17.

RADIATOR REPAIR (Continued).

LOCATION/ITEM

ACTION

REMARKS

D.

DISASSEMBLY (Continued).

WARNING

Hydrochloric acid (muriatic acid) can burn

you It can

give off

harmful

vapors if it is used on metals containing phosphorus To avoid serious

injury, wear protective rubber gloves, apron, and goggles and always use

in well ventilated area.

14. Top tank assembly

Clean sealing surfaces with

(2) and bottom

hydrochloric acid until bright

tank assembly (7)

and clean.

E.

ASSEMBLY.

CAUTION

Avoid scratching and bending seal surfaces on top and bottom tank when

installing.

Scratches and bends will cause radiator to leak.

15. Bottom tank assem-

Apply thin coat of silicone

bly (7)

sealant over sealing surface.

16.

Two new gaskets

Line up holes in item (3)

Press item (3) into

(3)

with holes in item (7)

place on item (7).

17. Saddle assembly

a. Line up scribe mark on

Be sure holes in item

(8)

item (8) with mark on

(8) line up with holes

item (7)

in item (7).

b. Push in place.

3-80