TM 10-4610-243-13
4-34.
CHECK VALVE (2-lNCH) REPAIR.
This task consists of
a.
Disassembly
b.
Cleaning
c.
Inspection
d.
Repair
c.
Assembly
INITIAL SET-UP:
Tools:
Material/Parts:
General Mechanics Tool Kit (Item 1, App B)
Detergent, General Purpose (Item 1, App E)
Pipe Wrench (from accessory kit)
Wiping Rag (Item 2, App E)
Vice (Item 2, App B)
Tape, Anti-seize (Item 3, Appendix E)
Equipment Condition:
Gasket (2) (Item 3, App I)
Check valve assembly removed (para 3-4a)
NOTE
Ensure that all parts identified as mandatory replacement parts are discarded and replaced with
new components.
a.
Disassembly. Refer to figure 4-30.
(1) Place check valve assembly in vice.
(2) Using pipe wrench, remove male coupling (1) from assembled valve (4).
(3) Remove gasket (2) from female coupling (3).
(4) Using pipe wrench, unscrew female coupling (3) from assembled valve (4).
(5) Using pipe wrench, remove cap (5) from body (11).
(6) Remove plug (6) body (11).
(7) Pull pin (7) out from body (11) and lift out lever (10) and attached parts.
(8) Remove nut (8) and separate disc (9) front lever (10).
b.
Cleaning.
(1) Wash all components with clean water and detergent.
(2) Rinse components in clean water and dry with wiping rag.
4-93
