Kärcher HD 4/8 Classic, Manual

Page: 12 / 18

After operation with detergent
1. Flush the foam lance with clear water for approx. 30
seconds.
Replacing the nozzle
DANGER
Risk of injury!
Switch the device off prior to replacing nozzle and do
not activate hand spray gun until the device is pressure-
less.
1 Secure the high-pressure gun. To do so, push the
safety lever towards the front.
2 Unscrew nozzle screws and remove the nozzle.
3 Put on a new nozzle.
4 Screw on the nozzle screws and tighten them by
hand.
Interrupting operation
Note
When the device is shut down, the water pressure will
be reduced, which can reduce the operating force of the
high-pressure gun and improve the service life of the
equipment.
1. Close the high-pressure gun, the device will inter-
rupt.
2. Push the safety lock forward to close the safety lock
of the high-pressure gun.
3. Push the safety lock back to open the safety lock of
the high-pressure gun.
4. Open the high-pressure gun, the device will switch
on again.
Finishing operation
1. Shut off the water supply.
2. Open the high-pressure gun.
3. Set the power switch to "1" and let the device run for
5 to 10 seconds.
4. Set the power switch to "0" .
5. Close the high-pressure gun.
6. Unplug the power supply from the device with dry
hands.
7. Remove water inlet.
8. Close the safety lever of the high-pressure gun and
push the safety lock forward.
Transportation
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transporta-
tion.
1. Place the spray lance with the high-pressure gun on
the hooks.
2. Wind the power cable around the cable hooks.
3. Without hose reel: Wind up the high-pressure hose
and hang it over the hook.
With hose reel: Wind the high-pressure hose onto
the hose reel.
4. When transporting the device in vehicles, secure the
device against shifting and tipping over.
5. For short distance transportation, pull the telescopic
handle to drag the device.
Illustration G
6. When going up stairs, hold the additional handle
and lift the device up.
Illustration H
Storage
CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during storage.
Store the device indoors only.
Frost protection
ATTENTION
Frost destroys the device if it is not completely
drained of water.
Store the device in a frost-free location.
If frost-free storage is not possible:
1. Drain excess water.
2. Pump commonly available anti-freeze through the
device.
3. Allow the device to run for a maximum of 1 minute
until the pump and lines are empty.
Note
Use commonly available, Glycol-based vehicle anti-
freeze. Observe the handling instructions of the anti-
freeze manufacturer.
Care and service
DANGER
Inadvertently starting up the device
Risk of injury, electric shock
Switch off the device immediately and unplug the mains
plug before performing work.
Note
Old oil may only be disposed of at designated collection
points. Please dispose of any old oil at these locations.
Polluting the environment with old oil is punishable by
law.
Safety inspection/maintenance contract
You can agree on regular safety inspections or close a
maintenance contract with your dealer. Please seek ad-
vice on this.
Maintenance intervals
Each time before use
1. Check the power cable for damage and have a dam-
aged cable replaced immediately by the authorised
Customer Service or a qualified electrician.
2. Check the high-pressure hose for damage and re-
place a damaged high-pressure hose immediately.
3. Check the device for leaks. 3 drops of water per min-
ute are permissible. Contact Customer Service in
the case of more serious leaks.
Weekly
1. Clean the water filter, see Chapter
Cleaning the wa-
ter filter
.
Every 500 operating hours, at least once annually
Have the oil changed by Customer Service.
Maintenance work
Cleaning the water filter
ATTENTION
Damaged water filter in the water connection
Damage to the device through contaminated water
Check the water filter for damage before inserting it into
the water connection.
1. Pull the water filter out.
2. Clean the water filter under running water.
English 12