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).
