d) Cam direction incorrect
b) Main shaft bearings worn
a) Ball checks not seating correctly.
b) Inverter Unit or safety interlocks
‘tripped’
b) Check inverter and fault
conditions
a) Check electrical supply
c) Inspect, clean and/or replace balls
and seats.
a) Check o-rings and hose
connections
c) Ball checks not seating correctly.
a) Air entering the suction
hose/manifold
b) Inspect, clean and/or replace balls
and seats.
b) Inverter Unit or safety interlocks
‘tripped’
Pump runs, but lack of pressure
Paint leaking from inside cover
Replace bellows seal, check piston
seal, replace as necessary
Excessive Pressure Pulsation
Replace bellows seal, check piston
seal, replace as necessary
77-3311 R1.0 31/36 www.carlisleft.com