Graco Inc 800-232 manual 802-776

Chemical Injector Opsration

. . .

8.Be sure that the control ring oninjectorihe is open two full turns fromthe closed position. To check this, the hood must be opened. Oncethe control ring is open, it may be left alone. The chemical mixture is controlled by thechemical metering valves on thecontrol panel.

9.Place the chemical strainer@) and chemical line(s1into your chemical container(s).

10.Select which chemical iou want touse with the chemical selector valve on thecontrol panel.

11.To apply the cleaning chemical to the work surface, the adiustable nozzle on the endof the spray wand must be open. Thechemical(s) can only be drawn into thewater stream, andapplied to the worksurface in a low pressure situation. By opening the adjustable nozzle you create low pressure. Closing it produces high pressure for rinsingandpre-chemicalflushingornochemicalcleaning. One chemical may beturned off andon at the gun by using the adjustable nozzle as described above.

when the spray gun isin use. Be sure thatthe safety latch on the gun is in"ON"the position before adjusting to avoid serious bodily injuryor

12.Adjust thechemical mixture(s)with thechemical metering valve(s)on the controlpanel. Oncethe chemical metering valve(s) are adjusted to the desired setting, they may beleft therefor future chemical applications.

13.To change to the other chemical, turn the chemical selector valve to theother chemical. To shut off chemical, turn the chemical selector valve to the "OFF" position, or close the adjustable nozzle. The chemical metering valve@)do not haveto beclosedto change orshut off chemical supply.

the wettedparts shown inthe technical data at the end of this manual to avoid serious damage to theoressure washer and comoonents.

Trigger Safety Latch

WARNING
of serious bodily injury,
including fluid injection. splashing in the eyes
or on the skin, ALWAYS engage the trigger
safety latch whenever you stop spraying, even
for a moment.	a
In the engage position, the triggersafety latch
prevents the gun from being triggered
accidentally by hand or if it is dropped or
bumped. Be surethelatch isfullyseated inslot
in handle or it cannot prevent the gunfrom
being triggered. See Figure 2.

TRIGGER SAFETY LATCH

SHOWN ENGAGED

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