REPAIR ENGINE TRANSMISSION OIL COOLER OUTSIDE SURFACE
Repairable damage is limited to
scratches, nicks, gouges, minor
corrosion, and bent fins.
Clean oil and grease from damaged area. Use
naphtha (E245) and clean cloths (E120). Wear
Check extent and location of damage on cooler
Dimensions in this step refer to extent
of damage after rework.
Depth of damage shall not be more than
Damage shall not extend over more than one
surface or enter any radius.
Damage shall not be closer than 1.00 inch to
any mounting hole (2).
More than 3 inches of fins (2) shall not be
crushed beyond straightening.
Fluorescent inspect damaged area to check
for cracks (TM 1-1500-335-23). There shall be
no cracks. If crack is suspected in the engine
transmission oil cooler outside, refer to TM
Blend out damage with emery cloth (E123) or
abrasive paper (13). Observe limits of step 2.
Smooth blended area with crocus cloth (E122).
Do not leave any sharp edges.