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10
Operations
Operating Instructions
STEP 1:
Connect garden hose to
the cold water source and turn
water on completely. Never use hot
water.
STEP 4:
Turn machine on by
pushing switch at front of machine.
STEP 2:
Trigger the spray gun to
eliminate trapped air then wait for a
steady flow of water to emerge
from the spray wand. Then install
nozzle.
WARNING! Never replace
nozzles without engaging the
safety latch on the spray gun
trigger.
STEP 3:
Connect to appropriate
power supply. Push GFCI reset
button.
AVERTISSEMENT: Ne jamais
remplacer les buses sans
d'abord mettre le dispositif de
sécurité sur la détente du
pistolet pulvérisateur.
Karcher HD 300-310 Operator’s Manual 9.800-086.0 - P
The five color-coded quick connect nozzles provide a wide array of spray
widths from 0° to 40° and are easily accessible when placed in the conve-
nient rubber nozzle holder, which is provided on the front of the machine.
NOTE: For a more gentle rinse, select the white 40° or green 25°
nozzle. To scour the surface, select the yellow 15° or red 0° nozzle. To
apply detergent select the black nozzle.
Cold
Water
Source
Garden
Hose
On/Off
Switch
Safety
Latch
NOZZLES