TM 10-4610-244-13
TM 09476B-13/1
4-14. REPAIR SUCTION VALVE AND DISCHARGE VALVE (Cont'd).
WARNING
Hypochlorite solution may be on the suction valve and can cause severe chemical burns. To
avoid injury wear gloves while working on it
a.
REMOVAL
(1)
Unscrew discharge valve (1) from pumphead (2)
NOTE
Care must be taken to prevent ceramic poppet from falling out of valve and becoming lost or
damaged.
(2)
Remove valve adaptor (3)
(3)
Remove ceramic poppet (4) from discharge valve body (5)
(4)
Remove and discard preformed packing (6)
NOTE
Care must be taken to prevent ceramic poppet from falling out of valve and becoming lost or
damaged
(5)
Unscrew suction valve (7) from pumphead (2).
(6)
Remove ceramic poppet (8) from suction valve body (9)
(7)
Remove and discard preformed packing (10).
b.
REPAIR
(1)
Clean all components.
(2)
Inspect valves for nicked or damaged seating surfaces or threads and replace if damaged.
c.
INSTALLATION
(1)
Install ceramic poppet (8) in suction valve body (9).
(2)
Install new preformed packing (10)
(3)
Screw suction valve (7) into pumphead (2).
(4)
Install ceramic poppet (4) in discharge valve body (5)
(5)
Install new preformed packing (6).
(6)
Install valve adaptor (3).
(7)
Screw discharge valve (1) Into pumphead (2)
4-13
