Operating Instructions - Kärcher STP-231007D Manual

Electrical:
This machine, when installed, must be electrically
grounded in accordance to local codes. Check for
proper power supply using a volt meter.
Placement:
Do not locate near any combustible material. Keep all
flammable material at least 20 feet away.
Allow enough space for servicing the machine.
Local code will require certain distances from floor and
walls. (Two feet away from walls should be adequate.)
Water Source:
The water source for the pressure washer should be
supplied by a minimum 5/8" I.D. garden hose with a
city water pressure of not less than 30 PSI. If the water
supply is inadequate, or if the garden hose is kinked,
the attached pressure washer will run very rough and
the burner will not fire.
Connection:
Connect the wand, nozzle, hose and spray gun (where
applicable). On pipe thread connections, use teflon tape
to avoid water leaks. (See Component Identification).
Venting:
Adding exhaust vent pipe to your oil fired burner is not
recommended because restricted air flow causes car-
bon buildup, which affects the operation, and increases
maintenance on the coil. If a stack must be used, refrain
form using 90° bends. If the pipe can not go straight up
then use only 45° bends and go to the next size pipe.
The overall pipe length must not exceed 6 feet in length.
STARTING AND OPERATING
INSTRUCTIONS
To Start:
1. STOP! Read operator's man-
ual before operating. Failure
CAUTION
to read operation and warn-
CAUTION
ing instructions may result in
personal injury or property
damage.
2. Connect water supply hose
and turn on water.
READ OPERATOR'S
3. Check fuel tank and pump oil
MANUAL THOROUGHLY
PRIOR TO USE.
levels.
4. Connect high pressure hose to discharge nipple by
sliding quick coupler collar back. (If detergent is to
be applied, insert a detergent injector as shown in
Component Identification).
5. Insert quick coupler onto discharge nipple and
secure by pushing quick coupler collar forward.

OPERATING INSTRUCTIONS

Manual Karcher STP 9.801-191.0 - B
6. Securely attach the desired high pressure nozzle
into wand coupler as described in steps 4 and 5.
7. Connect the power cord into the proper electrical
outlet, then push in the GFCI reset button (Refer
to serial plate for information.)
8. Grip spray gun handle securely and pull trigger.
Then turn variable pressure control handle coun-
terclockwise.
9. Turn switch to pump position. When a steady
stream of water flows from the spray gun and wand,
the machine is ready for cold water cleaning by turn-
ing the variable pressure control handle clockwise
to raise the pressure.
10. For hot water washing, turn the switch to the burner
position. (The burner will light automatically when
Brass Soap Nozzle
(Sold Separately)
High
Pressure
Nozzle
Variable Pressure
Control Handle
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 operator's manual.
the trigger on the spray gun is pulled.)
To Stop:
1. If using the detergent injector, place the suction
line in a bucket of water allowing detergent to be
flushed from system.
2. Turn burner switch off and continue spraying water,
allowing the water to cool.
3. After water has cooled to less than 100°F, turn the
attached pressure washer off.
4. Turn garden hose water off. Open the spray gun to
relieve remaining pressure.
5. Protect from freezing.
Variable Pressure
Wand (VP)
Trigger
7