RADIATOR AND SHROUD MAINTENANCE (cont)

TM 10-3930-638-24&P

3-7. RADIATOR AND SHROUD MAINTENANCE (cont)

ACTION

ITEM

REMARKS

STEP

LOCATION

INSPECTION AND REPAIR

Radiator shroud

Inspect

Repair broken welds and cracks by

welding. Replace shroud if beyond

economical repair

Radiator

a. Inspect

Straighten bent fins, using care not to

damage core. Repair leaking core tubes

cooling fins

and core

by soldering, using minimum amount of

solder to prevent clogging tubes

b. Inspect

Repeat cleaning (step 1) as necessary to

interior and

remove all scale deposits

core

c. Inspect tanks,

Repair cracked or leaking areas by solder-

ing, using minimum amount of solder to

filler neck,

brackets and

prevent clogging radiator

hose flanges

NOTE

After soldering radiator, perform radiator pressure test (para

2-12, MALFUNCTION 3) to check for leakage. Replace

radiator if excessively clogged with scale deposits, or if unable to

repair by soldering.

As soon as possible after pressure test,

d. Paint

paint repaired areas using dull black

radiator paint

3-87