TM-9-2350-277-20-4 Unit Maintenance Manual Volume 4 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9-2350-277-20-4 REPAIR HULL BY WELDING — Continued 0529 00 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 0529 00-6 Change 3