TM-9-2350-277-20-4
CARRIER M113A3, M577A3, M1059A3, M1064A3, M1068A3 AND M58
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL VOLUME 4 OF 6
TM-9-2350-277-20-4 - Page 469 of 861
TM 9-2350-277-20-4
REPAIR HULL BY WELDING — Continued
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3.
Keep nozzle clearance of 1/2 to 5/8 inch (12 to 16 mm) for good gas coverage. Wrong nozzle clearance will cause the
following:
a.
Oxide deposits in the weld bead.
b.
Force gas bubbles into the weld.
c.
Prevent cleaning action on the material in front of the weld pool.
4.
You will hear a smooth hissing or buzzing sound when the right arc length is struck.
5.
For further welding instructions, see TM 9-237.
FOLLOW-THROUGH STEPS
1.
Connect battery ground strap (WP 0337 00), (WP 0338 00), or (WP 0339 00).
END OF TASK
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Change 3
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