English
HDS 798 C
8
Mounting handgun
–
Connect spray lance to handgun
–
Insert high-pressure nozzle in
union nut
–
Mount and tighten unit nut
–
Mount high-pressure hose at high-
pressure connection Fig. 1 Item 2
Water connection
For connected loads, refer to
Technical Data.
Mount supply hose at water
connection of unit.
Illustration 1 Pos. 9,
(supply hose is not part of scope of
delivery)
Drawing in water from tank
The following conversion work is
necessary if water is to be drawn in
from an external tank.
Fig. 12
Lift off scale inhibitor reservoir.
Remove upper supply hose to water
reservoir and route to pump head.
Fig. 13
Detach water connection at pump
head and swivel aside.
Connect supply hose to pump head.
For drawing in, use 3/4 hose with
suction filter.
Max. suction height 0,5 m.
Mains connection
Refer to technical data and rating
plate for connected loads.
Fitting power plug
Have power plug fitted by
KÄRCHER AFTER-SALES
SERVICE or an authorised
electrician.
Set selector switch to "0"
Insert power plug
Whenever socket is changed,
check direction of rotation of
motor
If direction of rotation is correct,
powerful jet of air will be felt at
exhaust-gas opening of burner.
In the event of incorrect direction of
rotation, refer to Faults "Burner not
ignited"
If an extension cable is used, this
should always be fully uncoiled and
have an adequate cross-section.
(10 m min. 1,5 mm
2
, 30 m
min. 2.5 mm
2
)
OPERATION
*
Never operate unit with fuel tank
empty! Fuel pump would
otherwise be destroyed!
Switching on unit
Fig. 2
Set selector switch (1) to "I"
Indicator lamp (4) lights
*
If indicator lamp (2) or (3) comes
on during operation, switch off unit
immediately. Eliminate fault, refer
to Faults.
Unit starts up briefly and is switched
off as soon as operating pressure is
reached.
Fig. 11
Release handgun
Actuation of handgun switches unit
back on again.
Bleed pump if no water emerges
from high-pressure nozzle. Refer to
Faults "No build-up of pressure by
unit"
