Kärcher HDS 3.9/30 Operator's Manual page 5

IMPORTANT SAFETY INFORMATION
WARNING: Be extremely careful
WARNING
when using a ladder, scaffolding
or any other relatively unstable
location. The cleaning area
should have adequate slopes
and drainage to reduce the pos-
sibility of a fall due to slippery
RISK OF INJURY
surfaces.
FROM FALLS WHEN
USING LADDER.
21. Do not allow acids, caustic or abrasive fl uids to pass
through the pump.
22. Never run pump dry or leave spray gun closed
longer than 1-2 minutes.
23. Machines with shut-off spray gun should not be
operated with the spray gun in the off position for
extensive periods of time as this may cause dam-
age to the pump.
24. Protect discharge hose from vehicle traffi c and
sharp objects. Inspect condition of high pressure
hose before using or bodily injury may result.
25. Before disconnecting discharge hose from water
outlet, turn burner off and open spray gun to al-
low water to cool below 100° before stopping the
machine. Then open the spray gun to relieve pres-
sure. Failure to properly cool down or maintain the
heating coil may result in a steam explosion.
26. Do not overreach or stand on unstable support.
Keep good footing and balance at all times.
27. Do not operate this machine when fatigued or under
the infl uence of alcohol, prescription medications,
or drugs.
28. In oil burning models, use only kerosene, No.1
home heating fuel, or diesel. If diesel is used, add
a soot remover to every tankful.
Follow the maintenance instructions
specifi ed in the manual.
HDS 600-606 • 9.800-080.0-AB
5