715-721 • HDS-NG LP • 9.800-160.0 • Rev. 4/10
13
PRESSURE WASHER
OPERATOR’S MANUAL
OPERATING INSTRUCTIONS
STEP 1: Review installation instruc-
tions prior to connecting garden
hose to the cold water source and
turn water on completely.
Never use
hot water.
STEP 2: Trigger the spray gun to
eliminate trapped air then wait for a
steady flow of water to emerge from
the spray nozzle.
Cold
Water
Source
Garden
Hose
WARNING! Never replace nozzles without
engaging the safety latch on the spray gun
trigger.
Safety
Latch
AUTO IGNITION OPTION
If your machine has Auto Ignition option, follow
these steps.
1. Have electrician connect power supply into junction
box according to information shown on serial plate
and open main gas supply.
2. Push pump switch to “ON” position, pull trigger on
spray gun.
3. After water and pressure is exiting pressure nozzle
push burner switch “ON”.
Note: Thermostat should
be set at 200°.
4. The pilot will ignite first then you will notice a flash of
light indicating complete ignition.
Note: You should
hear a clicking sound before the pilot ignites.
STEP 3: Depress control knob and hold it in. After 5
seconds, depress the red ignitor until you hear a loud
click. Repeat 3 or 4 times if necessary until pilot is lit.
If pilot does not remain lit, repeat operation, allowing a
longer period of time before releasing the knob. After
the pilot lights, continue to hold the control knob down
for 1 minute.
Note: Sufficient time must be allowed for
a proper size pilot flame to heat the thermocouple and
hold the safety magnet in a locked-up position. Turn
gas cock dial (located on rear of machine) to “PILOT”
position. Release dial and turn to full ON. Push pump
switch ON, or turn to pump position and pull the trig-
ger on the spray gun allowing cold water to flow. To
activate the gas control valve for hot water, push the
burner switch to the ON position and pull the trigger
on the spray gun.
To Burner
Ignitor
Control
Knob