EN
a) a)
b) b)
c) c)
a) a)
b) b)
a) a)
b) b)
a)
b)
c)
d)
Replace piston seals.
Replace bellows seal, check piston
seal, replace as necessary
Bellows seal failure
Cam direction incorrect
Fault Finding
Fluid Section
Symptom Possible Cause Remedy
Pump will not ‘Prime’
Air entering the suction
hose/manifold
Check o-rings and hose
connections
Worn piston seals Replace piston seals.
Ball checks not seating
correctly.
Inspect, clean and/or replace
balls and seats.
Pump will not run
Main shaft bearings worn
Cam follower worn
No power Check electrical supply
Inverter Unit or safety
interlocks ‘tripped’
Check inverter and fault
conditions
Pump runs, but lack of pressure
Inverter Unit or safety
interlocks ‘tripped’
Inspect, clean and/or replace
balls and seats.
Paint leaking from inside cover
Excessive Pressure Pulsation
Worn piston seals
Ball checks not seating
correctly.
Replace bellows seal, check piston
seal, replace as necessary
77-3245 R1.0 30/36 www.carlisleft.com