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 TM 9-2835-255-34
LUBRICATING OIL TANK REPAIR (Sheet 4 of 7)
c.
Visually inspect oil tank support flange (1) for
cracks in fusion welds and parent material.
d.
Visually inspect for broken spot welds at igni-
tion exciter mounting bracket (2).
e.
Visually inspect for cracked fillet welds (3) and
broken or cracked mounting plate (4) and
bracket material.
f.
Visually inspect bushing (7) for damage.
REPAIR:
CAUTION
BEFORE DOING WELD REPAIRS, MAKE
SURE OIL TANK INTERIOR HAS BEEN
THOROUGHLY CLEANED PER STEP 1 TO
REMOVE ANY REMAINING OIL.
1. TIG WELD ANY CRACKED WELDS, OR CRACKS
IN TWO BOLT HOLE AREAS (5, 6) OF SUPPORT
FLANGE (1).
a.
Route as required to remove cracks, raised or
cracked metal.
b.
Wirebrush area(s) to be weld repaired and
clean with cleaning solvent.
c.
Tig weld routed areas using AMS 5680 weld
wire with gas tungsten arc welder (GTAW).
d.
Blend top surface to original flatness and to
remove weld spatter.
e.
Using dye penetrant method, inspect repaired
areas. No cracks allowed.
Go on to Sheet 5
8-7
Change 6
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