Mazzoni PH3025 Manuel D'utilisation Et D'entretien page 31

before operating any kind of intervention on the machine,
TROUBLE
The pump turns but fails to reach the
required pressure
Irregular swings in pressure
Drop in pressure
Noisiness
Water in the oil
Water leaking from the head
Oil leakage
The motor fails to start
TROUBLESHOOTING
WARNING :
disconnect it from the electric current
CAUSES
The pump draws in air
Suction/delivery valves worn or dirty or
jammed
Inadequate or worn nozzle
Worn gaskets
Suction filter clogged
Adjustment valve needle worn or
jammed
Suction/delivery valves worn, dirty or
jammed
Air suction
Worn gaskets
Worn nozzle
Suction/delivery valves dirty
Adjustment valve needle worn or
jammed
Worn gaskets
Air suction
Worn, dirty valves
Worn bearings
Worn water-oil seal rings
Worn gaskets
Worn O-rings
Oil seal rings worn
Not plugged in properly
No power
PH3025-3040-3060-4000
Check suction pipe
and seals
Clean or replace
Replace
Replace
Clean or replace
Clean or replace
Check, clean and/or replace
Check the suction
pipes
Replace
Change nozzle
Clean or replace
Clean and/or replace
Replace
Check the suction
pipes
Clean or replace
Replace
Replace
Replace
Replace
Replace
Check plug, cable, switch
Check plug, cable, switch
33
REMEDIES