Operating instructions – Karcher HD 425 User Manual

Page 5

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OPERATING INSTRUCTIONS

Step 1
Connect the high pressure hose to the unit’s
high pressure outlet.

Step 2
Connect water supply hose to unit’s water inlet.

Step 3
Connect water supply hose to the cold water
source and turn water on completely.

Step 4
Plug the power cord into the power outlet.
Unlock the lock of the trigger gun.

Step 6
Turn on the pressure washer (ON).
NOTE: This unit is equipped with a
pressure switch. The motor only starts up
when the trigger on the gun is pulled.
The motor shuts off when the trigger is
released.

Step 5
Trigger the gun to eliminate trapped air, wait
for a steady flow of water to emerge from the
spray nozzle.