51
9
TROUBLESHOOTING TABLE
ANOMALY
CAUSE
REMEDY
The manometer indicates a
different pressure from that set
-Breaking pressure gauge
-Pressure relief valve seals
worn out
-Suction Filter clogged
-Etc. ..
Replace
-Replace
-Clean or replace
Decrease the speed of impeller
Worn clutch
-Clutch contaminated with oil
--Clean
–replace
The pump does not reach
pressure indicated
Valve adjustment and/or valve
seat worn.
-Valves or valve inlet and
outlet worn or dirty.
-Insufficient number of rpm 1'
-Worn or used Nozzles with
holes too big.
-Choked Inlet
Replace (*)
-Replace or clean (*)
-Restore correct RPM.
-Replace.
-Clean the filter cartridge or
remove the constriction.
The pump does not go under
pressure
- Air intake.
-Valve closed.
valves suction and discharge
valves worn or dirty..
- Check the suction apparatus.
-Position the lever correctly.
-Replace or clean
Irregular delivery vibration
--Exhaust pressure accumulator
or with incorrect air pressure
- Return air at the correct
pressure (see the pump
Handbook) (*)
The pressure is not regular
- valves suction and discharge
valves are worn or dirty.
-Air Intake
Replace or clean (*)
-Check the suction system.
Liquid does not come out from
the nozzles
Inlet filter dirty, dirty drip
filter, clogged nozzles
Clean
Water in oil
- Rupture of one or more
membranes
-Replace (*)
Noise and oil level lowered
- Low suction
Check the suction system.
(*)ONLY SPECIALIZED TECHNICIAN