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A)
CHECK PLUNGER POSITIONING
refer Fig. 12
B)
CHECK DRAIN SHUT-OFF 'O' RING
located in upper cap (refer Part No. 35G)
A)
UNIT MAY BE FOULED WITH SUSPENDED SOLIDS
backwash and check again
B)
SERVICE INLET OR OUTLET VALVE NOT FULLY OPENED
ensure they are opened
C)
PISTON OUT OF POSITION
reposition (refer Fig.12)
4.
Insufficient Service Flow Rate