Karcher HD 3-7-22-4S Eg - Manual (Page 10)

English
10
Recommended cleaning methods
„ Spray detergent with low pressure jet spar-
ingly over the dry surface to be cleaned and
let it take effect but not dry out.
„ Spray off (rinse off) the loosened dirt using
the high-pressure spray.
„ When you have finished the operation, set
detergent metering valve to "0" and switch
the unit on for about 1 minute and rinse it
clear of detergent.
Interrupting the operation
„ Release lever of the handgun, the unit
switches off. Retract lever again and the
unit switches on again.
Availability time
Within the availability time, the unit starts
when the hand-held spray gun is opened.
The indicator light will go green.
If the spray gun remains closed for
30 minutes, the availability time ends.
The indicator light will flash green.
Reset availability time
„ Switch off the unit switch.
„ Wait a moment.
„ Switch the unit back on again.
Customer Service can change the unit to
permanent operation.
Switching the unit off
„ Set unit switch to "0" and pull out power
plug.
„ Close water inlet.
„ Retract lever until the unit is without pres-
sure.
„ Push safety catch of the hand-held spray
gun forward to lock the lever of the gun
from being actuated inadvertently.
Danger!
Risk of scalding due to hot water. Re-
sidual water contained in the switched off unit
can heat up. When removing the hose from
the water inlet, the heater water can spurt out
and cause scalds. Do not remove the hose
until the unit has cooled down.
Transporting the cleaner
„ To transport the cleaner over relatively long
stretches, take hold of it by the handle and
pull it along behind you.
„ Empty the detergent reservoir before trans-
porting it horizontally.
Storing the cleaner
„ Place the handgun in the support.
„ Reel in the high-pressure hose and hang it
over the hose rest.
or
„ Coil the connecting cable round the cable/
hose rest.
Frost protection
Caution!
Frost will destroy a unit that is not com-
pletely empty of water! Store the unit where it
will be free of frost.
If storage away from frost is not possible:
„ Empty the detergent tank (see care and
maintenance/As and when required).
„ Drain off the water and rinse the unit
through with anti-freeze.
„ Leave the unit to dry for max. 1 minute.
„ Use the standard glycol-based anti-freezes
for cars.
„ Follow the handling instructions of the anti-
freeze manufacturer.
Care and maintenance
Danger!
Before any care and maintenance work
on the unit draw out the mains plug.
Caution!
When changing the oil, dispose of any
waste oil only at authorised collection points.
!
!