Check Valve Maintenance - MCi C Series Operation Manual

Check Valve Maintenance

Please ensure you have fully read and understood the
general safety section of this manual before proceeding
with any maintenance procedures
STEP 1
Disconnect Systems power supply Close all suction and dis-
charge isolation valves and remove both the suction and dis-
charge chemical lines from fluid end
STEP 2
Disconnect secondary containment line [A] from fluid end
A
STEP 3
Remove suction check valve seat [A] from fluid end assembly
35
A
STEP 4
Remove check valve ball [A] and O-ring [B] from suction bush-
ing, as shown
USE CAUTION NOT TO SCRATCH SEAL FACES WHEN RE-
MOVING SEALS
THOROUGHLY CLEAN ALL PARTS BEFORE PROCEEDING
STEP 5
Remove discharge check valve bushing [A] from fluid end as-
sembly
A
B
A
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