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7

Monthly or as Required

·

Clean the filter in the detergent tank.

·

Clean the high-pressure nozzle.
Remove dirt from the nozzle hole with a needle
and then rinse out with water from the front.

·

Clean the strainer in the water connection. It can
be easily removed with a flat-nosed pliers.

Note:

Disconnect the appliance from the power mains
before all repair work.
Only authorized customer service personnel may
inspect electrical components.

In this chapter, we would like to give you some hints
on dealing with malfunctions yourself.

In all other cases or in the case of electrical faults,
please contact the authorized customer service.

Appliance does not Work

·

Check whether the voltage shown on the rating
plate corresponds to that of the power source.

·

Check the connector cable for damage.

·

If the motor overheats, allow it to cool down for a
few minutes. Then switch back on again.

Appliance does not reach Operational

Pressure

·

Set the spray wand to the maximum working
pressure.

·

Ventilate the appliance.

·

Clean the strainer in the water connection.

·

Check the inlet water flow rate.

·

Check all inlet pipes to the pump for leaks or
block-age.

4.  Troubleshooting

Strong Pressure Fluctuations

·

Clean the high-pressure nozzle. Remove dirt from
the nozzle hole with a needle and then rinse out
with water from the front.

Pump Leaks

·

3 drops per minute are permissible. In the case of
more serious leakage, you should contact the
authorized customer service.

No Detergent Suction

·

Set the spray wand to the minimum working
pressure.

·

Clean the filter in the detergent tank.

·

Clean the ventilation hole in the cover of the
detergent tank.

3.   Care and Maintenance

Frost Protection

·

Frost will destroy an appliance which has not been
completely emptied of water. Ideally, the
appliance shold be stored in a frost-free room.

Should you require customer service, call 1–800–537–4129.

Summary of Contents for 620 M

Page 1: ...5 956 158 09709 03 96...

Page 2: ...hen a product is used near children Know how to stop the product and bleed pressure quickly Be thoroughly familiar with the controls Stay alert watch what you are doing Do not operate the product when...

Page 3: ...leaning chemicals may affect the operation of the machine and void the warranty GROUND FAULT CIRCUIT INTERRUPTER PROTECTION This pressure washer is provided with a ground fault circuit interrupter GFC...

Page 4: ...7 17 18 3 6 5 4 1 16 15 14 12 2 11 10 9 8 13 19...

Page 5: ...ation but only prevents it from opening unintentionally Spray Wand with Pressure Regulator Push the spray wand against the spring into the bayonet connector of the gun and then rotate it through 90 un...

Page 6: ...ing methods Step 1 Loosening dirt Spray on detergent sparingly and leave for 1 4 minutes Step 2 Removing dirt Spray off the loosened dirt with the high pressure spray 2 Operation Washing Brush Press t...

Page 7: ...to cool down for a few minutes Then switch back on again Appliance does not reach Operational Pressure Set the spray wand to the maximum working pressure Ventilate the appliance Clean the strainer in...

Page 8: ...ed at petrol stations and other dangerous areas the appropriate safety regulations must be observed We recommend the dirt blaster as a special attachment for stubborn dirt Safety Equipment When the ha...

Page 9: ...ature of 68 F 3 ft Supply pressure max 170 psi Performance data Pressure 300 1300 psi Flow rate 1 7 gpm Detergent intake 0 7 gph Recoil force of hand held spray gun at operating pressure max 19 N Soun...

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