Karcher HD 1.8/13 C Ed Manual - Save These Instructions!

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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.

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 

disconnecting the product from the ex-

tension cord.

Do not use extension cord with HD 1.8/

13.

SAVE THESE INSTRUCTIONS!

HD 4/9 only: EXTENSION 

CORDS

6

EN