DRAIN FITTING ASSEMBLY SERVICE AND REPAIR

TM-10-5430-243-12P Tank Fabric Collapsible Water 2 000 and 5 000 Gallons 20 000 Gallons Model GTA-20KW RCF-20-K-W-OB MPC-W-20K-22276 Manual
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TM 10-5430-243-12&P 0028 00 0028 00-1 Change 1 28 April 2002 UNIT MAINTENANCE TANK, FABRIC, COLLAPSIBLE, WATER STORAGE, 20,000 AND 50,000 GALLONS DRAIN FITTING ASSEMBLY SERVICE AND REPAIR INITIAL SETUP Tools Equipment Condition Tool Kit, General Mechanics Tank drain hose assembly removed (Item 1, WP 0033 00) (WP 0024 00) Torque Wrench, (ft-lb) (Item 3, WP 0033 00) Materials/Parts Detergent, General Purpose Mandatory Replacement Parts (Item 2, WP 0039 00) O-ring seal Rags, Wiping (Item 9, WP 0041 00) (Item 4, WP 0039 00) Silicone Compound (Item 6, WP 0039 00) Tape, Anti-seize (Item 7, WP 0039 00) DISASSEMBLY 1. Remove S-hook (or key ring) of chain assembly (1) from bracket (2). Remove drain plug screw (3), bracket (2), and drain plug (4) from drain cover plate (5). 2. Disconnect S-hook (or key ring) on other end of chain assembly (1) from bracket (6). Remove eight bolts (7), bracket (6), and washers (8) from drain cover plate (5) and tank compression fitting (9). 3. Remove drain cover plate (5). 4. Remove o-ring (10) from tank compression fitting (9). Discard o-ring (10). SERVICE 1. Clean all parts with detergent and water, rinse thoroughly, then dry with rags. 2. Clean o-ring seal groove surface thoroughly with detergent and hot water. 3. Inspect drain plug (4) for cracks or breaks. If damaged, replace plug (4). 4. Inspect drain cover plate (5) for cracks or other damage. If damaged, replace drain cover plate (5). 5. Inspect drain plug screw (3) for distortion or damaged threads. If damaged, replace plug screw (3). 6. Inspect chain (1), S-hook (or key ring), and brackets (2) and (6) for cracks, distortion or other damage. If damaged, replace chain (1), S-hook (or key ring), and brackets (2) and (6). 7. Inspect bolts (7) for damaged threads. If threads are damaged, replace bolts (7).

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