Karcher K 3.78 - Manual (Page 4)

4
ASSEMBLY INSTRUCTIONS
Water Supply (Cold Water Only)
• Water hose must be at least 3/4 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“
5-gallon container.
• The water supply temperature must not
exceed 104°F/40°C.
Step 1
IMPORTANT PRECAUTIONS – continued
PRECAUTIONS
• Never use the pressure washer to draw in
water contaminated with solvents, e.g.
paint thinner, gasoline, oil, etc.
• Always prevent debris from being drawn
into the unit by using a clean water
source.
Save these instructions!
Step 2
Pull out the locking slide from the right side of
the trigger gun handle, and insert the small end
of the high pressure hose into place. Push the
locking slide back into the trigger gun to lock the
hose in position.