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D26183
PRESSURE WASHER TERMINOLOGY
NOTE: Become familiar with this terminology before operating.
PSI: Pounds per Square Inch. The unit of measure for water pressure. Also used
for air pressure, hydraulic pressure, etc.
GPM: Gallons Per Minute. The unit of measure for the flow rate of water through
the pressure washer.
CU: Cleaning Units. GPM multiplied by PSI.
Bypass Mode: In Bypass Mode, the pump is recirculating water because the
trigger of the spray gun is not pulled. If unit is left in bypass mode for more than
two (2) minutes, the water temperature can rise to a dangerous level and may
damage internal components of the pump. Any damage to pump due to these
causes will not be covered under warranty.
DO NOT allow your unit to operate in bypass mode for more
than two minutes at any time. Overheating of pump can
cause damage to pump.
Thermal Relief Valve: In an effort to prevent damage, pumps are
equipped with a thermal relief valve. This valve will open when
the temperature inside the pump rises too high. This valve will
then release a gush of water in an effort to lower the temperature
inside the pump. Immediately after this occurs, the valve will
close.
Chemical Injection: Feeds cleaning agents into the pump to
mix with the pressurized water and help in cleaning.
Water Supply: All pressure washers must have a source of water. The
minimum requirements for a water supply are 20 PSI and 5 gallons per minute.
TO ADJUST PRESSURE
The pressure setting is preset at the factory to achieve optimum pressure and
cleaning. If you need to lower the pressure, it can be accomplished by these meth-
ods.
1. Back away from the surface to be cleaned. The
further away you are, the less the pressure will be on
the surface to be cleaned.
DO NOT try to turn pressure regulator
knob past the built-in stop or damage
to pump will result.
2. Change to a wider spray pattern nozzle. See How
to Use Wand paragraph in this section.
3. Adjust the pressure regulator on the pump. Turn the pressure regulator
knob counterclockwise to lower pressure. Refer to the illustrations to identify
your pressure regulator.
Once you have finished using your pressure washer, return the pressure reg-
ulator to its original position by turning it clockwise.
HOW TO USE
IMPORTANT: Read and understand how to use the pressure washer before
operating.
Fuel Valve Lever: Opens / closes connection between fuel tank and carburetor.
Engine Switch: Enables and disables ignition system pressure washer operating
features
Pressure
Regulator
Knob
Thermal
Relief
Valve