EN
-
-
-
-
-
-
a.
a.
b.
b.
a.
a.
b.
b.
a.
a.
b.
b.
c.
c.
d.
d.
Maintenance schedule
6 Months
Fault finding
Recommended operation
Monthly
Check for fluid or air leaks
Inspect Pump for Correct operation
-
Check for any excessive mechanical noise
-
Check for excessive fluid pressure pulsation
-
Perform a pump stop test to ensure correct operation, by ensuring pump stops
when the spraygun trigger is closed and there is no fluid flow.
If pump does not stop inspect ball check valves, replace as required.
Typical period
-
Check fluid regulator adjusts fluid pressure correctly.
Replace if faulty
12 Months
Replace Diaphragms
Replace fluid regulator seat and diaphragm
Replace centre shaft and seals
Replace Check Valves
-
Inspect and replace if required:- Air Valve module
Symptom
Possible Cause
Remedy
Pump will not ‘Prime’
Air getting into the suction
hose/manifold
Check hose connections
Check valve ball/seal damaged
Inspect, clean/replace balls/seats
Pump will not run
No Air or Fluid supply
Check air and fluid supply ball valves
and supply hoses.
Air valve worn or defective
Replace valve module.
Pump runs but has
excessive pulsation
Air getting into fluid line, air supply
restricted.
Check seals and hose connections.
Check air supply
Fluid check valves damaged
Remove, clean, and inspect seat,
ball, and ball cage.
Replace if suspect or worn.
Worn centre shaft/seals
Replace shaft and seals.
Worn air valve
Replace air valve module
77-3207-R1.7
14/16
www.carlisleft.com