Mazzoni KC3000 - Page 29

KC3000/3050/3060/3080/4000/4050- KC3005/3055/3065/3085/4005/4055
29
ENGLISH
TROUBLESHOOTING
TROUBLE
CAUSES
REMEDIES
Thepumpturnsbutfailstoreachthe
required pressure
Thepumpdrawsinair
Check suction pipe and seals*
Suction/deliveryvalveswornordirty or
jammed
Clean or replace*
Inadequateorwornnozzle
Replace
Worngaskets
Replace*
Suctionfilterclogged
Clean or replace
Adjustmentvalveneedle
Clean or replace*
Irregularswingsinpressure
Suction/deliveryvalvesworn,dirty
or jammed
Check, clean and/or replace*
Air suction
Check the suction pipes
Worngaskets
Replace*
Drop in pressure
Worn nozzle
Change nozzle
Suction/deliveryvalvesdirty
Clean or replace*
Adjustment valve needle worn
orjammed
Clean and/or replace*
Worngaskets
Replace
Noisiness
Air suction
Checkthewaterintakelines.
Worn,dirtyvalves
Clean and/or replace*
Worn bearings
Replace*
Water in the oil
Wornwater-oilsealrings
Replace*
Water leaking from the head
Worngaskets
Replace*
Worn O-rings
Replace*
Oil leakage
Oil seal rings worn
Replace*
Themotorfailstostart
Not plugged in properly
Check plug, cable, switch
Nopower
Check plug, cable, switch
Themotorhumsbutfailstostart
Voltage(volts)lessthanrequired
Checktheelectricalsystemisadequate
The pump is jammed or frozen
Make the motor turn by hand *
Electricalextensionofinadequatecross-
section
Refertothetableforcorrectuseof
extensions
The motor stops suddenly
Thethermalcut-outhastrippeddueto
overheating
Checkthatthevoltageisasrequired.*
Disconnecttheswitchandleavetocool
forafewminutes.
* operations which must be carried out by authorised personnel (service centre).