Kärcher K 3.740 Operator's Manual page 10

STEP 5:

Connect garden hose to the cold
water source and turn water on
completely.
STEP 6:

Plug the Ground Fault Circuit Inter-
rupter (GFCI) into a receptacle.
Press RESET button, indicator
should be "ON".
Press TEST button, indicator
should be "OFF".
Press RESET button for use.
We recommend that you test the
GFCI as part of your startup proce-
dure each time you use your pres-
sure washer. To learn how to
peform this test on your unit, visit
http://www.karcherresidential.com/
gfci_test.php for detailed instruc-
tions for your type of GFCI.
WARNING
Do not use if above test fails.
10
English
STEP 7:

Unlock the trigger gun safety lock.
Trigger the gun to eliminate trapped
air, wait for a steady flow of water to
emerge from the spray nozzle.
STEP 8:

Turn on the high pressure washer
(I/ON).
The motor starts only if the trig-
ger of the gun is pulled and shuts
off when the trigger is released.