R E P A I R F U E L T A N K ( M 5 7 7 A 2 A N D M 1 0 6 8 O N L Y)

TM-9-2350-261-34 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-34 R E P A I R F U E L T A N K ( M 5 7 7 A 2 A N D M 1 0 6 8 O N L Y) I DESCRIPTION This task covers: Clean (page 4-14). Repair (page 4-15). INITIAL SETUP T o o k Metal Worker’s Tool Kit (Item 61, App B) Trailer-Mounted Welding Shop (Item 96, App B) Materials/Parts: Sealing compound (Item 73, App C) wiping rag (Item 86, App C Personnel Required: Metal Worker 44B10 References: See your -10 See your -20 TM 9-237 Equipment Conditions Fuel tank removed from carrier (see your -20) Fuel tank access cover removed (see your -20) Fuel quantity sending unit removed (see your -20) C L E A N 1. W A R N I NG Fuel fumes can explode and burn you. Before weding: Drain all fuel. Disconnect 2. and cap all fuel and vent lines. Purge fuel residue and f u m e s b y steam cleaning. Purge air from fuel tank with 3. C 0 2. Use a wire brush to remove paint and dirt from outer surface area to be welded. W A R N I N G Air pressure in excess of 30 psi (207 kpa) can injure per- sonnel Do not direct pres- surized air at yourself or others. Always wear gog- gles. C A U T I O N Do not expose sealed areas to steam for more than 15 minutes, as existing seal will begin to deteriorate. Steam clean inside of fuel tank (1). Use clean rags and 30 psi (207 kPa) compressed air to d r y Direct carbon dioxide or argon gas into fuel tank (1) at 30-60 cubic feet (0.84-1.68 cubic meters) per hour until gas escapes from access cover openings. 4-14 Change 3

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