Care and maintenance
You can sign with your dealer a contract for
regular safety inspection or even sign a
maintenance contract. Please take advice
on this matter.
Note: The maintenance plan given below
only lists the maintenance tasks for the
high-pressure pump. The maintenance
tasks for the engine must also be done ac-
cording to the details given in the operating
instructions manual of the engine manufac-
turer.
DANGER
Risk of injury if the machine is left running
in an unattended state.
Before working on the device, turn the start-
er to "0/OFF" and remove the spark plug
connector.
Risk of burns! Do not touch hot mufflers,
cylinders or radiator ribs.
Maintenance intervals
Daily
Check the high pressure hose for dam-
ages (risk of bursting). Please arrange
for the immediate exchange of a dam-
aged high-pressure hose.
Weekly
Check oil level.
Please contact Customer Service immedi-
ately if the oil is milky (water in oil).
Monthly
Clean water filter.
Clean filter at the detergent suck hose.
Check the fastening elements between
the motor and frame for cracks; have
cracked fastening elements replaced by
Customer Service.
After 500 operating hours, at least
annually
Have the maintenance of the device
performed by the customer service.
Change the oil in the high pressure
pump.
Maintenance Works
Clean water filter.
Shut off water supply.
Unscrew the covering nut.
Remove the filter cup towards the bot-
tom.
Clean filter inlay and filter cup.
Check the O-rings for proper seating.
Insert the filter inlay into the filter cup.
Replace the filter cup.
Screw on and tighten the union nut.
Oil change in high pressure pump
Ready a catch bin for appr. 1 Liter oil.
Turn out the oil drain screw.
Drain the oil in a collection basin.
Dispose of old oil ecologically or turn it in at
a collection point.
Screw in the oil drain screw.
HD 7/15 G:
Fill in new oil
slowly to just be-
low the fill neck of
the oil fill contain-
er.
Add oil slowly so that air bubbles can es-
cape.
For oil type refer to technical specifica-
tions.
Troubleshooting
DANGER
Risk of injury if the machine is left running
in an unattended state.
Before working on the device, turn the start-
er to "0/OFF" and remove the spark plug
connector.
Risk of burns! Do not touch hot mufflers,
cylinders or radiator ribs.
Motor does not run
Follow operating instructions of the engine
manufacturer!
EN
– 8
HD 8/20 G:
Fill in new oil up
to the middle of
the oil sight
glass.
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