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TM 5-4320-304-14
TM 08922A-14/1
4-12. REPLACE/REPAIR CHECK VALVE ASSEMBLY
This task covers:
a. Removal
c. Repair
e. Installation
b. Disassembly
d. Assembly
INITIAL SETUP
Tools
Equipment Condition
(A) TooI kit, general mechanics automotive
Engine shut down, discharge hose removed,
and water drained from pump via drain port
(USMC) Tool kit, general mechanics
at bottom of pump assembly.
REMOVAL:
1
Remove nuts (1).
2
Remove suction (intake) flange (2) and check valve assembly (3).
3
Remove check valve assembly (3) from suction (intake) flange (2).
DISASSEMBLY:
1
Remove screw (4) from check valve assembly (3).
2
Remove small weight (5), large weight (6), and gasket (7).
REPAIR:
1
Inspect nuts (1), flange (2), screw (4), small weight (5), large weight (6), and gasket (7) for wear,
damage, rust, or corrosion.
2
Replace any worn or damaged parts.
ASSEMBLY:
1
Assemble large weight (6), gasket (7), and small weight (5),
2
Secure assembled parts with screw (4).
INSTALLATION:
1
Install check valve (3) on suction (intake) flange (2).
2
Install check valve (3) and suction (intake) flange on studs (8).
3 Secure with nuts (1).
4-14
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