Graco Inc 800-233, 802-777 manual Trigger Safety Latch

Chemical Injector Operation

8.Be sure that the control ringon the injector is open t w o full turns from theclosed position. To check this, the hood must be opened. Once the control ring is open, it may be left alone. The chemical mixture is controlled by the chemical metering valves on the controlpanel.

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

10.Select which chemical you want useto with the chemical selector valve on the controlpanel.

11 . To apply the cleaning chemical to the work surface, the adjustable nozzle on the endof the spray wand must beopen. The chemical(s)can only be drawn into the waterstream, and applied to the worksurface in a low pressure situation. By openingthe adjustablenozzle you create low pressure. Closing it produces high pressure for rinsing and pre-chemical flushingor nochemical cleaning. Onechemical maybe turned off and on at the gun by using the adjustable nozzle as described above.

WARNING

when thespray gun isin use. Be sure that the safety latch on the gun inisthe "ON"position before adjusting to avoid serious bodily injuryor

FIGURE

6	802-777
.....,~-. .,.. .~.	. . . ,. . .. .. -. .	.~

12.Adjust the chemical mixture(s)with the chemical metering valve(s) on the control panelOnce. the chemical metering valve(s) are adjusted to the desired setting, they may be left there for future chemical applications.

13.To change to the other chemical, turn the chemical selectorvalve to the otherchemical. To shut off chemical, turn the chemicalselector valve to the "OFF" position, or close the adjustable nozzle. The chemical metering valve(s)do not have to beclosedto change or shut off chemical supply.

CAUTION

the wetted parts shownin the technicaldata at the end of this manualto avoid serious damage

Trigger Safety Latch

-WARNING

To reduce the risk 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.

In the engage position, the trigger safety latch prevents the gun from being triggered accidentally by hand or if it is dropped or bumped. Be sure the latch isfullyseated inslot in handle orit cannot prevent thegun from being triggered. See Figure 2.

2

. . ... . ~ ,, . .. ..~, . . . . . . . .. . , ...