UGSI Encore 700, Руководство по эксплуатации и обслуживанию

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CF.440.400.001.IM.0417
ENCORE
®
700 METERING PUMP
39
4.4.3 Removing Suction and Discharge Valves
WARNING: TO AVOID POSSIBLE SEVERE PERSONAL INJURY,
USE EXTREME 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 EXTREME CARE TO AVOID CONTACT WITH THE 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 are molded as one piece. Slurry valves and 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.
4.4.4 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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