Water Process Solutions Encore 700 - Removing Suction and Discharge Valves; Removing the Diaphragm

ENCORE
®
700 METERING PUMP
Removing Suction and Discharge Valves
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY, USE EX-
TREME CARE TO AVOID CONTACT WITH LIQUID PRESENT IN THE HEAD.
ALLOW THE SUCTION VALVE TO FALL INTO A SUITABLE CONTAINER
AND CATCH THE LIQUID.
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY, USE EX-
TREME CARE TO AVOID CONTACT WITHTHE LIQUID PRESENT BETWEEN
THE DISCHARGE DRAIN VALVE AND THE UNIT BELOW. FLUSH ANY
SPILLED LIQUID IMMEDIATELY.
• Cartridge Type Valve (refer to the Cartridge Liquid End parts drawings
in Section 5):
a. Loosen the two screws located on the clamping block.
b. Slide the clamping block up.
c. Pull the valve cartridge out.
d. Slide the seat out of the cartridge to remove the ball.
NOTE: On the 1-3/8", 2", 3", 4", and 5" heads, the solution valve,
guide, and retainer aremolded as one piece. Slurry valvesand spring-
loaded polymer valves have a separate guide assembled inside the
clear PVC retainer. On the 6.5" head, the retainer is machined and
is opaque.
• Threaded Type Valve (refer to the Threaded Type parts drawings in
Section 5):
a. Unscrew the valves from the head.
b. Remove the seats and guides.
c. Flush and clean the valves.
Removing the Diaphragm
a. Remove the suction and discharge valves as described in paragraph
4.4.3.
b. Remove the head screws, washers, and the pump head.
c. Unscrew the diaphragm assembly by rotating it counterclockwise.
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WT.440.400.001.UA.IM.1012
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