T O 35C2-3-442-2
e. Clean parts with an approved cleaning
solvent and dry thoroughly.
a. Test radiator cap using suitable cap
t e s t e r . Cap setting should be approximately
7 PSI. Check locking taps for condition.
b. Inspect mounting brackets for cracks,
distortion, missing captive nuts. Inspect
captive nuts for damaged threads.
c. Inspect tanks for cracks, holes, or
dents. Check hose connection tubes for
out-of-roundness, security, and damage.
Check filler neck for damage and security.
Check bottom tank flange for security, dam-
aged threads, and damage to gasket contact
d. Inspect core assembly for loose
tubes, bent or damaged cooling fins, and
damage to tank contact surfaces.
Figure 4-1. Radiator assembly
e. Inspect paint for damage.
Compressed air used for cleaning and
drying purposes can create airborne
Welding operations produce heat,
particles that may enter the eyes.
highly toxic fumes, injurious
Pressure shall not exceed 30 psig.
Eye protection is required.
borne particles. Welding gog-
gles, with proper tinted lenses,
b. Remove obstruction from radiator
apron or jacket and welder's
core fins using compressed air.
boots are required.
c. If core assembly tubes are clogged,
a. Repair cracks in mounting brackets
boil core assembly in a solution of one
by welding. Straighten distorted parts
pound of baking soda to each gallon of water
using proper tools.
for a minimum of 30 minutes or until clog
b. Replace defective mounting bracket
c. Solder cracks and holes in tanks.
d. Clean core assembly tubes using a
Large holes or cracks may be repaired by
suitable bristle brush or cleaning rod.
Remove loosened particles using compressed
Resolder loose hose connection tubes,
filler neck, or bottom tank flange. Remove
burrs from flange using suitable file or
Cleaning Solvents are flammable and
moderately toxic to skin, eyes and
d. Solder loose core assembly tubes.
respiratory tract. Eye and skin
To repair damaged tubes, remove cooling
protection required. Good general
fins in area of leak and solder leak. Solder
ventilation is normally adequate.