Kärcher HD 4/9 C Manual page 5

Dirt in the feed water will damage the
unit. To avoid this risk, we recommend
fitting a water filter.
Garden hose must be at least 1/2
–
inch in diameter.
Flow rate of water supply must not
–
fall below 2.5 GPM (gallons per
minute).
Flow rate can be determined by
–
running the water for one minute
into an empty 2,5-gallon container.
The water supply temperature must
–
not exceed 140°F/60°C.
Never use the pressure washer to
–
draw in water contaminated with
solvents, e.g. paint thinners, gaso-
line, oil, etc.
Always prevent debris from being
–
drawn into the unit by using a clean
water source. Use additional water
filter.
HD 4/9 only: EXTENSION
CORDS
Use only 3-wire extension cords that
have 3-prong grounding-type plugs
and 3-pole cord connectors that accept
the plug from the product. Use only ex-
tension cords that are intended for out-
door use. These extension cords are
identified by a marking "Acceptable for
use with out-door appliances: store in-
doors while not in use." Use only ex-
tension cords having an electrical
rating not less than the rating of the
product. Do not use damaged exten-
sion cords. Examine extension cord
before using and replace if damaged.
Do not abuse extension cord and do
not yank on any cord to disconnect.
Keep cord away from heat and sharp
edges. Always disconnect the exten-
sion cord from the receptacle before
6
disconnecting the product from the ex-
tension cord.
Do not use extension cord with HD 1.8/
13.
SAVE THESE INSTRUCTIONS!
– 3
EN