Frost Protection; Transport; Care And Maintenance - Kärcher HDS 7/9-4 M Mode D'emploi

Storing the Appliance
 Lock in the steel pipe into the holder of the appli-
ance hood.
 Roll up high pressure hose and electrical conduit
and hang them into the respective holders.
Device with hose drum:
 Before rolling up, stretch out the high pressure
hose.
 Turn the hand crank clockwise (Direction of the ar-
row).
Note: Do not twist high pressure hose and electrical
conduit.

Frost protection

ATTENTION
Risk of damage! Frost will destroy the appliance if the
water has not been completely drained.
 Store in a frost free area.
If the device is connected to a chimney, the following
must be observed:
ATTENTION
Threat of damage by penetrating cold air through the
chimney.
 Disconnect device from chimney when outside
temperature drops below 0 °C.
If it is not possible to store frost free, shut down device.
Shutdown
For longer work breaks or if a frost free storage is not
possible:
 Empty detergent tank.
 Drain water.
 Flush device with anti-freeze agent.
Dump water
 Screw off water supply hose and high pressure
hose.
 Screw off supply hose at boiler bottom and drain
heating spiral empty.
 Operate device for max. 1 minute until the pump
and conduits are empty.
Flush device with anti-freeze agent
Note: Observe handling instructions of the anti-freeze
agent manufacturer.
 Fill anti-freeze agent of the trade into swimmer con-
tainer.
 Switch on appliance (without heater) till the appli-
ance has been completely rinsed.
A certain corrosion protection is achieved with this as
well.
Storage
CAUTION
Risk of personal injury or damage! Consider the weight
of the appliance when storing it.

Transport

Figure 11
ATTENTION
Risk of damage! When loading the appliance with a
forklift, observe the illustration.
ATTENTION
Protect the trigger from damage during transport.
CAUTION
Risk of personal injury or damage! Mind the weight of
the appliance during transport.
 When transporting in vehicles, secure the appli-
ance according to the guidelines from slipping and
tipping over.

Care and maintenance

DANGER
Risk of injury by inadvertent start-up of appliance and
electric shock. Prior to all work on the appliance, switch
off the appliance and pull the power plug.
 Shut off water supply.
 Open the hand spray gun.
 Switch on the pump with the power switch and al-
low to run for about 5-10 seconds.
 Close the hand spray gun.
 Set the appliance switch to "0/OFF".
 Pull main plug out of socket with dry hands only.
 Remove water connection.
 Activate hand spray gun until device is pressure
less.
 Secure the trigger gun. To do so, push the safety
catch towards the front.
 Allow device to cool down.
Your Kärcher vender will inform you about the per-
formance of a periodic safety inspection resp. sign-
ing of a maintenance contract.
Maintenance intervals
Weekly
 Clean the sieve in the water connection.
 Clean the fine filter.
 Check oil level.
ATTENTION
Risk of damage! In case of lacteous oil inform Kärcher
customer service immediately.
Monthly
 Clean sieve in the water shortage safe guard.
 Clean filter at the detergent suck hose.
Every 500 operating hours, at least annually
 Oil change.
 Have the maintenance of the device performed by
the customer service.
At least every 5 years, recurring
 Perform the pressure test as per manufacturer's in-
structions.
Maintenance Works
Clean the sieve in the water connection
 Take out sieve.
 Clean sieve in water and reinstall.
Cleaning the fine filter
 Unpressurize the appliance.
 Unscrew the fine filter from the pump head.
 Remove the fine filter and the filter insert.
 Clean the filter with clean water or compressed air.
 Reinstall in reverse sequence.
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EN 25