![background image](http://html1.mh-extra.com/html/karcher/hds3-5-20/hds3-5-20_operators-manual_4215340006.webp)
9.801-509.0 - C • Karcher Operator's Manual
MANU
AL
PRESSURE W
ASHER
6
IMPORTANT SAFETY INFORMATION
22. Install optional LP gas regulator assembly, item
9.802-633.0 or obtain a proper size regulator.
23. Install this machine about 2 feet from wall to
provide adequate ventilation and servicing space.
This equipment incorporates parts such as snap
switches or similar parts that tend to produce arcs
or sparks. Therefore, when located in a garage, it
should be in a room or enclosure provided for the
purpose or should be installed 18" (457mm) or
more above the fl oor.
WARNING: To reduce the risk of electric shock,
disconnect all electrical connections and shut-off
gas valve before servicing.
24. Install this machine on non combustible fl ooring.
25. Do not allow acids, caustic or abrasive fl uids to
pass through the pump.
26. Never run pump dry or leave spray gun closed
longer than 3 minutes.
WARNING: If connection is made to potable water
supply, a back fl ow device must be provided.
27. Exhaust gases should not be vented into a wall, a
ceiling or a concealed space of a building. A draft
diverter must be installed to prevent down draft
and to allow cooling of exhaust temperatures.
Down draft diverters shall be installed in the
vents and located at a dis-
tance from the pressure wash-
er stack to achieve maximum
draft of 36" minimum. Exhaust
g a s e s t h a t ex c e e d 4 7 0 ° F
(243°C) are not suitable for
connection to Type B gas vents.
Example of Down Draft Diverter for
Gas Fired Machines
Follow the maintenance instructions
specifi ed in the manual.
ITEM PART NO.
DESCRIPTION
QTY
9.802-633.0
Regulator, LP Assembly
1
1
9.802-019.0
Nipple, 3/4" x 2", Black
1
2
8.717-747.0
Regulator, R622CFF for
R932/28 & R932462
1
3
8.717-746.0
Regulator, Hi Pressure,
R321H22
1
4
8.711-855.0
Hose, 1/2" x 19", Propane
1
5
8.717-782.0
Fitting, Pigtail, Fisher, M318
(Included when ordering part
8.717-746.0)
1
98015100-48
To
Pr
opane
Bottle
To
Pressure
Washer
Gas Inlet
1
3
5
2
4
Optional
Regulator Kit
9.802-633.0
Summary of Contents for HDS3.5/20
Page 31: ......