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TM 5-5430-219-13
DISASSEMBLY (See figure 3-17.)
1 Remove screws (1) and washers (2) that hold drain fitting assembly (3)
to tank fitting.
2 Remove drain cover plate (4) with remaining hardware attached.
3 Remove preformed packing (5) from packing groove in tank fitting,
4 Disconnect gate valve (6) from drain hose (7) by rotating gate valve to
left until threads disengage.
5 Disconnect drain hose (7) from drain cover plate (4) by rotating drain
hose to left until threads disengage.
6 Remove roundhead screw (8) from drain plug (9) and remove chain
assembly (10).
SERVICE
Cleaning solvent, P-D-680, used to clean parts, is potentially
dangerous to personnel and property. It produces toxic and
flammable fumes.
Use only in well-ventilated areas. Avoid
repeated and prolonged skin contact.
Do not use near an open
flame or excessive heat.
The flash point of solvent is 100°F to
138°F (38°C to 59°C).
1 Clean parts with cleaning solvent and dry thoroughly.
2 Clean packing groove thoroughly with detergent and hot water.
3 Inspect all mechanical parts for cracks, dents, breaks, or wear.
Replace or repair if unserviceable.
4 Carefully inspect preformed packing for deterioration, distortion,
cracks, or breaks.
Replace when serviceability is doubtful.
ASSEMBLY (See figure 3-17.)
1 Attach chain assembly (10) to drain plug (9) with roundhead screw (8).
2 Apply sealing compound or antiseize tape to threads.
3 Assemble drain hose (7) to drain cover plate (4). Engage threads and
rotate hose to right until components are tightly joined.
4 Attach gate valve (6) to drain hose (7). Engage threads and rotate
gate valve to right until components are tightly joined.
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