Ferm GRM1020, Original Instructions Manual

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8
EN
6. Wipe all surfaces of the unit with a damp clean
cloth.
7. Engage the gun safety lock.
CAUTION: ALWAYS turn off the unit’s motor
BEFORE turning off the unit’s water supply.
Serious damage could occur to the motor if the
unit is run without water.
CAUTION: NEVER disconnect the high-pressure
discharge hose from the machine while the
system is still pressurized. To depressurize the
unit, turn off the motor, turn off the water supply
and squeeze the trigger 2-3 times
Water supply
• Ensure that you have a suitable water supply
to feed the pressure washer. Check that all
connections are tight and there are no leaks in
the hose.
• The supply tap should be fully open (do not
turn on the pressure washer yet).
• Now depress the trigger (unlock trigger lock
first) to let water pass through the unit and
expel any air.
Warning! This unit is to be used with a
cold-water source only!
• Turn on the pressure washer, once all the air
has been expelled and water has reached the
end of the lance.
Electrical Cables
• Ensure that all cables are damage free before
connecting to the power supply.
Plug in the pressure washer and turn the unit
on with the main switch (2).
4. USE
CAUTION! The cleaner must only be
used with clean water; use of unfiltered
water or corrosive chemicals will damage
the cleaner.
• Turn the motor switch to the “0” position.
• Check that the electrical supply voltage and
frequency (Volts/Hz) correspond to those
specified on the cleaner data plate.
• If the power supply is correct, you may now
plug in the cleaner.
• The electric supply connection shall be made
by a qualified electrician. It is recommended
that the electric supply to this appliance
should include either a residual current device
that will interrupt the supply if the leakage
current to earth exceeds 30 mA for 30 ms or a
device which will prove the earth circuit.
CAUTION! The machine may cause
electrical disturbances when starting.
• If the motor stops and fails to restart, wait 2-3
minutes before restarting. THERMAL CUTOUT
TRIPPED
Adjusting the nozzle
Fig. 2
• Water may be sprayed out of the nozzle either
linearly or in a fan shape. Turn on the pressure
first, and then adjust the nozzle.
Adjusting pressure
Fig. 3
Using High Pressure:
• Please make sure the trigger released and
there is not any water spraying. then turn the
rear part of spray nozzle counterclockwise.
Squeeze the trigger, the gun will spray water
with high pressure.
Using Low Pressure:
• Please make sure the trigger released and
there is not any water spraying. then turn the
rear part of spray nozzle clockwise. Squeeze
the trigger, the gun will spray water with low
pressure.
CAUTION: Selection of high or low
pressure by turning action. The selection
of the pressure must be carried out with
the gun in closed position.