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Page Title:
AUTOMATIC DUMP VALVE AND SUMP ASSEMBLY MAINTENANCE (M49A2C) - continued |
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 TM 9-2320-361-24-2
0267 00
SUMP VALVE, DRAIN VALVES, AND DRAIN TUBES MAINTENANCE (M49A2C) (Contd)
DRAIN TUBES AND DRAIN VALVES REMOVAL
1.
Disconnect tube nuts (7) and (11) from elbows (5) and (13).
2.
Remove elbow (13), drain valve (14), and nipple (1) from sump valve (3).
NOTE
The short nipple should be removed if defective or damaged.
3.
Remove elbow (5) and drain valve (4) from nipple (9).
AUTOMATIC DUMP VALVE REMOVAL
1.
Remove six screws (19), cover (18), and gasket (17) from sump valve tank (15). Discard gasket (17).
2.
Remove sump valve assembly (16) from cover (18).
CLEANING AND INSPECTION
1.
For general cleaning and inspection instructions, refer to WP 0021 00.
2.
Inspect pad (2) for tears or dry rot. Replace pad (2) if damaged.
3.
Inspect sump valve tank (15) for cracks or damaged threads. Replace sump valve tank (16) if
damaged.
4.
Inspect cover (18) for cracks or damaged threads. Replace cover (18) if damaged.
5.
Inspect drain valve (4), and (14) for damaged threads, leakage, or cracks. Replace drain valve (4),
or (14) if damaged.
6.
Inspect nipple (9) in cover (18) and nipple (1) for damaged threads or cracks. Replace cover (18) or
nipples (9) and (1) if damaged.
7.
Inspect elbows (5) and (13) for cracks, damaged sleeve contact surface, or damaged threads.
Replace elbow (5) or (13) if damaged.
8.
Inspect tube nuts (7) and (11) on tubes (8) and (10) for cracks or damaged sleeve contact surfaces
or damaged threads. Replace tube (8) or (10) if damaged.
9.
Inspect sleeves (6) and (12) on tubes (8) and (10) for cracks or defects. Remove sleeves (6) and (12)
from tubes (8) and (10) and replace if damaged.
10.
Inspect tubes (8) and (10) for kinks, cracks, or other damage. Replace tube (8) or (10) if damaged.
0267 00-4
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