Graco Inc 800-666, 800-668 manual Installation, HOSE CONNECflON

INSTALLATION

HIGH PRESSURE

HOSE CONNECflON

Figure 1

Check for Shipping Damage

Check the unit forany damage that may have occurred in shipping. Notify the carrier immediately ifthere is any damage.

Set Up

Fill the batterycells with electrolyte andwater. Charge the battery. Be sure thebattery connections are correct and secure. Connect the fuel tolinethe engineusingthe quick coupler providedSqueeze. the primingbulb3to 5 times. If you are using a downstream chemical injector,

install itbetweenthepumpunloaderandthe high pressure hose, usingthe quick couplers provided.

Connectthe high pressure hose betweenthe pump outlet and the gun inlet. Both of these connections are made with quick couplers.

CAUTION

Up lo 100 fl (30m)of high pressure hose may beused. Longerhosesmayaffectsprayer performance, and chemical injector performance, ifused.

InStalltheappropriatespray tip onthewand.See Installing and Changing Spray Tips. Ifyou are using a sandblaster kit, see its separate manual forinstallation instructions.

QUICK

COUPLER

Connect to Water Supply

CAUTION

Before attachingto the water supply, check your local plumbing code regarding cross-connection to thewatersupply. A backflow preventer, P/N

801-133, is availabletoprevent backflow of contaminated water into the fresh water supply. Install itupstream from the pump.

Ifinletwaterpressure is over 60 psi (4.1 bar) a regulating watervalve, P/N 800-258, must be installed at the gardenhose connection.

Do notexceed160°F	(70" C) inletwater
temperature.

Connect a hose with leaslat a 3/4 inch(19 mm)ID from the water supply to the unit's 3/4 inch NPT inlet. The supply hose should notbe more than50 fl(l5m) long.

NOTE:Thewater source at theunit must havea minimumflow rate equalto that ofthe unit (see Technical Data, inside back cover). If this is not possible, a water holding tank must be added to prevent pump damage.

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