Karcher K 520 - Manual (Page 4)

3
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.
IMPORTANT PRECAUTIONS – continued
• The water supply temperature must not
exceed 104°F/40°C.
• Never use the pressure washer to draw in
water contaminated with solvents, e.g. paint
thinners, gasoline, oil, etc.
• Always prevent debris from being drawn into
the unit by using a clean water source.
ASSEMBLY INSTRUCTIONS
Step 1
Insert the Spray Wand Extension into the trigger gun.
Press in against the spring tension and twist into the lock position.
Turn the Spray Wand Extension Collar clockwise until tight.