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9
&OHMJTI
tDO NOT stop spraying water for more
T
than two minutes at a time. Pump operates
in bypass mode when spray gun trigger is
not pressed. When the temperature inside
the pump rises too high the thermal relief
valve (T) will open and release a gush of
water in an effort to lower the temperature
inside the pump. The thermal relief valve will then close. If pump
is left in bypass mode for more than two minutes internal
components of the pump can be damaged.
START-UP PROCEDURE
1. Connect the water hose to the water source. Turn the water source
on to remove all air from the hose. When a steady stream of water is
present, turn the water source off.
2. Verify the filter screen (U) is in water inlet of pump. The cone side faces
out.
3. Connect the cold water source (V) to pump inlet.
NOTE: Water source must provide a minimum of 5 gallons per minute
at 20 psi (138 kPa).
U
V
H
WARNING: To reduce the possibility of contamination always
protect against backflow when connected to a potable water system.
4. Connect high-pressure hose (H) to pump outlet.
5. If applying a chemical or cleaning solution, refer to Chemicals and
Cleaning Solvents.
6. Turn the water source on.
NOTICE: Risk of property damage. Failure to do so could cause
damage to the pump.
7. Remove all air from the pump and high pressure hose by depressing
trigger until a steady stream of water is present.
8. Plug GFCI (O) into power
N
O
M
receptacle. Firmly press and
release the TEST button
(M), then press and release
the RESET button (N). The
light on the GFCI should be
illuminated.
9.
Place the motor ON/OFF switch (K) to the ON
K
Position.
10. Depress trigger on gun to start water flow.
WARNING: Risk of unsafe operation. Stand
on a stable surface and grip gun/wand firmly
with both hands. Expect the gun to kickback
when triggered.
11. Release trigger to stop water flow.
DANGER: Risk of injury from spray. Engage the
X
trigger lock (X) when gun is not in use to prevent
accidental spraying.
12. Adjust spray for the task being performed by
changing quick connect nozzle. Refer to Spray
Wand Nozzles.
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