Kärcher K 520 用户手册

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.