12
Operations
Operating Instructions
STEP 1:
Connect the high pressure
hose quick coupler to the discharge
nipple by sliding the quick coupler
collar back and inserting the quick
coupler onto the discharge nipple
and pushing the quick coupler
collar forward to secure it. Secure
desired pressure nozzle into
variable pressure wand coupler.
STEP 2:
Connect water supply
hose (garden hose) to inlet
connector. Do not allow acid or
abrasives to be pumped through
system. Turn on water.
STEP 3:
Place toggle switch in the
ON position and then pull the
trigger on the spray gun to activate
a pressure switch which will then
start the machine. The ON position
is for auto shut down.
STEP 5:
To stop machine, release
the spray gun and machine will
automatically stop in approximately
12 seconds. If machine is going to
be unattended for long periods of
time, turn water supply off and
place switch in OFF position.
NOTE: When removing or
replacing hoses, wand and
nozzles, move switch to OFF
position, open spray gun to
release pressure before removing
discharge hose.
Karcher HDS Operator’s Manual 9.800-967.0 - C
STEP 4:
Turn the variable pressure control handle clockwise to increase
pressure.
Selection of high or low pressure is accompanied by turning the handle.
NOTE: High pressure nozzle must be inserted at end of wand to obtain
high pressure. To apply soap read Detergents & General Cleaning
Techniques section.
Variable Pressure
Control Handle
Trigger
Variable Pressure
Wand (VP)
High
Pressure
Nozzle
Brass Soap
Nozzle
PRECA
UTION
AT
TENTI
ON
IN
STR
UC
CION
ES
High Pressure
Hose Coupler
Discharge
Nipple
COLD
WA
TE
R
IN
LE
T
COLD
W
AT
ER
OUTLET
0°
40
°
40
°
25°
WAR
N
15°
ON
PREND
ER
OFF
I
O
Garden
Hose
Inlet
CO
LD
W
AT
ER
IN
LE
T
CO
LD
WA
TE
R
O
UTL
ET
IN
STR
UCTIONS
0°
40
°
40
°
25°
WARN
ING
PRECA
UTI
ON
AT
TE
NTI
ON
IN
ST
R
IN
ST
RU
CC
ION
ES
15°
ON
PR
EN
DE
R
OFF
I
O
EXPOSED
PULLE
YS
AN
D
BEL
TS CAN CAUS
E
INJUR
Y
PRE
CAUC
IO
N/
AVER
TI
SSE
MENT
WA
RN
IN
G
Toggle
Switch
CO
LD
W
AT
ER
IN
LET
CO
LD
W
ATER
OUTLET
INSTR
UCTI
ON
S
0°
40
°
40°
25°
WARN
IN
G
PREC
AU
TION
AT
TEN
TION
IN
ST
R
IN
ST
RU
CCI
ONES
15°
ON
PRE
NDER
OF
F
I
O
EXP
OS
ED
P
UL
LE
YS
AN
D
BEL
TS CAN CAUS
E
INJ
UR
Y
PRE
CAU
CIO
N/
AV
ER
TIS
SEM
ENT
W
ARNING
