Karcher K 3.78 User Manual

Page 5

OPERATING INSTRUCTIONS

Step 3

Connect the garden hose to the water inlet.

Step 4

Connect garden hose to the cold water
source and turn water on completely.
Plug the power cord into the power outlet.

Step 6

Turn on the pressure

washer (I). The motor starts only if the
trigger of the gun is pulled and shuts off
when the trigger is released.

Step 2

Insert the spray wand of your choice into the
trigger gun. Press in against the spring tension
and twist into the locked position.

Step 1

Connect the high pressure hose to the high
pressure outlet.

Step 5

Unlock the lock of the trigger gun

(A). Trigger the gun (B) to eliminate trapped
air, wait for a steady flow of water to emerge
from the spray nozzle.

OFF

I /