Krüger Technology KGM15020F Manuel D'utilisation Et D'entretien page 26

KGM15020F-KGM20020F
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
The motor hums but fails to start
The motor stops suddenly
* operations which must be carried out by authorised personnel (service centre).
TROUBLESHOOTING
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
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
Voltage (volts) less than required
The pump is jammed or frozen
Electrical extension of inadequate cross-
section
The thermal cut-out has tripped due to
overheating
26
REMEDIES
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 water intake lines.
Clean and/or replace*
Replace*
Replace*
Replace*
Replace*
Replace*
Check plug, cable, switch
Check plug, cable, switch
Check the electrical system is adequate
Make the motor turn by hand *
Refer to the table for correct use of
extensions
Check that the voltage is as required.*
Disconnect the switch and leave to cool
for a few minutes.