Kärcher HDS 9/18-4 M Manual page 21

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 9
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.
Clean sieve in the water shortage safe guard
 Unpressurize the appliance.
 Loosen covering nut and take off hose.
 Take out sieve.
Note: If necessary turn in screw M8 appr. 5 mm inwards
and therewith pull out sieve.
 Clean sieve in water.
 Push sieve inwards.
 Put on hose.
 Tighten covering nut firmly.
Clean filter at the detergent suck hose
 Take out detergent suck supports.
 Clean filter in water and reinstall.
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EN 21