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10
BASIC ELEMENTS OF A PUMP (FIG. 2)
NOTICE: The high-pressure pump was filled with oil at the factory. Always check
oil level before using (refer to Maintenance for more information).
2
T
U
S
S. Oil drain plug T. Oil fill plug U. Sight glass
BASIC ELEMENTS OF AN ENGINE
Refer to the Engine Owner's Manual for location and operation of engine controls.
NOTICE: The engine is shipped without oil. Before starting engine, add the oil
provided. Damage to the engine will occur if the engine is run without oil, this
damage will not be covered under warranty.
PRESSURE WASHER TERMINOLOGY
PSI: Pounds per Square Inch. The unit of measure for water pressure. Also used
for air pressure, hydraulic pressure, etc. Operating at pressures exceeding the
maximum rating could result in damage to the unit and/or severe personal injury.
GPM: Gallons per Minute. The unit of measure for the flow rate of water.
CU: Cleaning Units. GPM multiplied by PSI equals CU.
Pressure Wand Assembly: This refers to the gun, wand and nozzle.
Pump: The pump moves the water through the system and delivers it to the
pressure wand assembly. The nozzle creates the pressure.
Bypass Mode: Allows water to re-circulate within the pump when the gun trigger is
not pulled. This feature allows the operator to release the trigger gun and reposition
themselves without having to turn the engine off in between cleaning actions.
NOTICE: Allowing the unit to run for more than two minutes without the gun
trigger being pulled could cause overheating and damage to the pump. Do not let
the pressure washer run for more than two minutes in Bypass Mode. Turn off the
engine and relieve the pressure in the gun during these extended situations.
Thermal Relief Valve: When the temperature inside the pump rises too high, this
valve will open and release a gush of water in an effort to lower the temperature
inside the pump. The valve will then close.
Pressure Relief Valve: The water heater coils are designed to operate safely
at normal working pressure. The safety pressure relief valve prevents over
pressurization of the high pressure system. Do not modify the pressure relief valve
in anyway.
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