Karcher HDS 801 D - Manual (Page 21)

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 Release the lever on the trigger gun.
Note: When the lever of the hand spray
gun is released, the engine continues to run
at zero speed. The water thus circulates
within the pump and gets heated. When the
cylinder head at the pump has reached the
maximum permissible tempertaure (80 °C),
the therm-valve on the pump opens and
lets out the hot water into the open.
Cooling can be hastened while using com-
pressed water from the water supply pipes:

Pull the lever of the hand spray gun for
2 - 3 minutes so that the circulating wa-
ter cools down the cylinder head.
 Set dosing value for detergent to "0".
 Open the hand spray gun and rinse the
appliance for at least 1 minute.
ƽ
Danger
Danger of scalding by hot water. After oper-
ation with hot water, the device must be op-
erated with open end handgun with cold
water for at least two minutes.
After operating the water using saline water
(sea water), open the hand spray gun and
rinse the appliance for at least 2 - 3 minutes
using tap water.
Caution
Never stop the motor under full load when
the hand-spray gun is opened.

Set thermostat to "Burner off" position.
 Rinse the device thoroughly for at least
30 seconds.
 Release the lever on the trigger gun.
Motor regulates to reach dry run speed.
 Set the key switch at the motor to
"OFF".
 Close fuel cock.
 Shut off water supply.
 Activate hand spray gun until device is
pressure-less.
 Secure the hand spray gun using the
safety catch so that it doesn't open ac-
cidentally.
 Remove the water inlet hose from the
appliance.
Caution
Risk of damage! Freezing water in the ap-
pliance can destroy parts of the appliance.
– Store the appliance in a heated room
during winter or empty it. During longer
breaks in operation, it is advisable to
pump in anti-frost agents into the appli-
ance.
Caution
Risk of injury and damage! Note the weight
of the appliance in case of storage.
This appliance must only be stored in inte-
rior rooms.
Caution
Risk of injury and damage! Observe the
weight of the appliance when you transport
it.

Release parking brake.
 Push the appliance.
 When transporting in vehicles, secure
the appliance according to the guide-
lines from slipping and tipping over.
You can sign with your dealer a contract for
regular safety inspection or even sign a
maintenance contract. Please take advice
on this matter.
ƽ
Danger
Risk of injury if the machine is left running
in an unattended state. Shut off the fuel
supply before doing any work on the appli-
ance.
Risk of burns! Do not touch hot silencers,
cylinders or radiator ribs.
Interrupting operation
After operation with detergent
Turn off the appliance
Frost protection
Storage
Transport
Maintenance and care
21 EN