Figure 5-5. Radiator disassembly.

b. Disassembly.

the bolts holding reinforcing strips and radiator

(1) Remove top tank (fig. 5-5) by removing

core to the top tank.

(2) Remove bottom tank in similar manner.

Figure 5-5. Radiator disassembly.

corrode the tubes. Be careful not to bend the fins

c. Cleaning.

and straighten any that may be bent.

(1) Clean the radiator core of all ac-

e. Installation. Install radiator in reverse order

cumulation of debris between the fins and tubes

of removal procedure.

with water or compressed air.

f. Relief Valve Test.

(2) Clean the inside of the radiator core,

(1) Tighten the radiator cap to seal the

bottom tank and top tank using a steam cleaner.

cooling system. Install a pressure gage capable of

Flush steam cleaner solvent from core and tanks

indicating 25 psi into the radiator tank top using

with fresh water.

appropriate fittings. Connect an air pressure

d. Inspection and Repair. Assemble radiator

regulating valve and an air source.

core and tanks. Cap openings and test radiator

CAUTION

under water with 8 to 10 pounds air pressure. Note

Do not apply a pressure greater than 16

source of air bubbles and solder the leaks. Be sure

psi.

to wash off the acid after soldering as the acid will

5-5