English
HDS 798 C
10
–
Motor vehicle cleaning, machine
cleaning 60-90°C
Set selector switch to desired
temperature
Operation with steam
At operating temperatures above
98°C operating pressure must not
exceed 32 bar.
Standard high-pressure nozzle is
therefore to be replaced with
steam nozzle (part no.: 4.766-023,
see accessories).
–
Set operating pressure to
minimum value. See Fig. 8
–
Set temperature regulator to
min. 100°C
*
Danger of scalding!
We recommend the following
cleaning temperatures
–
Preservative removal, extremely
greasy dirt 100-110°C
–
Thawing of aggregates, certain
facade cleaning operations up to
140°C
EACH TIME AFTER USAGE
Following operation with cleaning
agent
–
Set cleaning-agent regulator to "0"
–
Set mode selector switch to "I"
–
Actuate handgun and flush unit for
approx. 1 min
Stopping machine
–
Set mode selector switch to "0"
–
Shut off water supply
–
Briefly (approx. 5 sec.) switch on
pump with selector switch
–
Remove mains plug from socket
ONLY with dry hands
–
Detach water connection
–
Actuate handgun to depressurise
unit
–
Securing spray pistol
Illustration 11
–
Engage spray lance in cover
holder
–
Roll up high-pressure hose and
cable and place in compartment
*
Take care not to kink high-
pressure hose and cable!
Frost will destroy unit if water is not
drained off completely!
Store unit in a frost-free location
Take unit out of service if frost-free
storage is not possible.
DISCONTINUATION OF USAGE
In the event of lengthy periods of
non-use or if frost-free storage is not
possible:
–
Drain off water and flush out
equipment with antifreeze
–
Drain cleaning fluid tank
Drain off water
–
Unscrew water supply hose and
high-pressure hose
–
Unscrew supply line at boiler base
and allow heating coil to drain
–
Run unit for max. 1 min until pump
and lines are empty
Flushing unit with anti-freeze
–
Use commercial grade antifreeze
–
Observe handling instructions of
antifreeze manufacturer
–
By this means, a certain degree of
corrosion protection is achieved
MAINTENANCE
*
Disconnect unit from mains before
carrying out any maintenance or
repair work.
*
Always use genuine spare parts
Shut off unit before performing any
work, refer to AFTER USE.
Set mode selector switch to "0"
Pull power plug out of socket
Shut off water supply
Actuate handgun to depressurise
unit.
Detach water connection
Allow unit to cool down
Please consult your KÄRCHER
dealer for details of regular safety
inspection/maintenance
agreement
Maintenance intervals
Once a week
–
Clean strainer in water connection
–
Check oil level
Contact KÄRCHER AFTER-SALES
SERVICE immediately if oil is
opaque!
Once a month
–
Clean strainer in low water
protection
–
Clean filter at cleaning-agent
suction hose
After 500 hours of operation, at
least once a year
–
Change oil
