MCi C Series Operation Manual page 31

Electric chemical injection system
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(1) Replacement seal kit required - See 'Page 24' for details
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
To assist plunger removal in a later step it is highly
recommended to turn the system off while it is cycling to
the right so it is stopped in the required extended position
STEP 2
Disconnect secondary containment line [A] from fluid end as
shown
A
STEP 3
Remove fastening screws [A] (x2) and fluid end assembly [B]
as shown
A
B
29
STEP 4
Tilt and pull plunger [A] to remove* (As shown) Inspect for any
damages and clean thoroughly
*The System must be located in the extended position (All the
way to the right) to allow plunger removal [See Step 1]
STEP 5
Remove screws [A] (x4) and separate blind end [C] from rod
end [B] as shown
A
If internal porting of fluid end is filled with debris it is highly
recommended to clean pump head thoroughly and perform
maintenance on check valves (See 'Check Valve Maintenance'
section for more information)
B
C
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