Karcher HD 425 Pressure Washer User Manual


 
4
IMPORTANT PRECAUTIONS – continued
ASSEMBLY INSTRUCTIONS
Never use the pressure washer to draw in
water contaminated with solvents, e.g.
paint thinners, gasoline, oil, etc.
NOTE: Dirt in the feed water will
damage the unit. To avoid this risk,
we recommend fitting a water filter.
Always prevent debris from being drawn into
the unit by using a clean water source and an
accessory water filter if required.
Water Supply (Cold Water Only)
Water hose must be at least a 1/2 inch or
5/8 inch in diameter.
Flow rate of water supply must not fall
below 2 GPM (gallons per minute).
Flow rate can be determined by running the
water for one minute into an empty 5-gallon
container.
The water supply temperature must not
exceed 104°F/40°C.
Step 1
Attach the high pressure hose
to the spray gun.
Step 2
Attach the wand to the
spray gun.
Step 3
Attach the triple jet nozzle to
the wand.