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Operation
Pressure Relief Procedure
WARNING
SKIN INJECTION HAZARD
The system pressure must be manually
relieved to prevent the system from
starting or spraying accidentally. Fluid
under high pressure can be injected through the
skin and cause serious injury. To reduce the risk of
an injury from injection, splashing fluid, or moving
parts, follow the Pressure Relief Procedure
whenever you:
D
are instructed to relieve the pressure,
D
stop spraying,
D
check or service any of the system equipment,
D
or install or clean the spray tip.
1.
Engage the gun trigger safety latch.
2.
Turn the gas engine or electric motor off.
3.
On a gas engine, remove the ignition cable from
the spark plug. On electric powered equipment,
disconnect the power supply. On air powered
equipment, disconnect the air supply.
4.
Shut off the water supply.
5.
Disengage the gun trigger safety latch and trigger
the gun to relieve pressure. Then, engage the
safety latch again.
6.
If you are not going to use a gasoline powered
pressure washer again before storing it (even
overnight) or transporting it, close the fuel shutoff
valve.
Trigger Safety Latch
Always engage the gun safety latch whenever you
stop cleaning, even for a moment. The latch must be
pulled fully up to make the gun inoperative. Failure to
properly set the safety latch can result in accidental
triggering of the gun. See Fig. 1.
Fig. 1
TRIGGER SAFETY LATCH SHOWN ENGAGED
TRIGGER SAFETY LATCH SHOWN DISENGAGED
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