Test.

TM 55-1930-208-24

3-24. RADIATOR - Continued

d. Test.

(1) Provide an air line fitting at one of the radiator openings.

(2) Attach an air line to the fitting and submerge the radiator in a container of water.

(3) Pressurize the radiator to 10-15 psig and check for air bubbles which indicate leakage.

e. Repair.

(1) Straighten bent cooling fins.

(2) Remove light corrosion with number 00 grit abrasive paper (item 17, Appendix C).

(3) Repair leaks and cracked or broken seams by brazing or soldering.

(4) Replace radiator if damaged beyond repair.

f. Installation.

(1) Refer to figure 3-60 and attach radiator shell (20) to the frame using four screws (18), four flat washers (19), four

lockwashers (17), and four nuts (16).

(2) Install overflow hose (15) and filler cap (14) on radiator (13).

(3) Attach radiator and fan shroud (12) to the radiator shell using ten bolts (9), ten lockwashers (10), and ten flat

washers (11).

(4) Install the fan guard (8) and secure with six screws (5), six lockwashers (6), six flat washers (7), six nuts (4), six

bolts (1), six lockwashers (2), and six flat washers (3).

(5) Connect radiator hoses and fill radiator with coolant (paragraph 2-17, TM 55-1930-208-10).

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