TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 2-15 PROCEDURES FOR SEMIANNUAL/ANNUAL SERVICES — CONTINUED 2-15.2 Welds Many items are attached to the hull with welds. Check for damaged welds by looking for chipped paint or oxidation. Make repairs if authorized. 2-15.3 Seals Check for leaks around seals. Check gasket material. Check door and hatch seals. Check for deterioration, cracks, and tears. 2-22