INSTALLATION

PUMP OIL

LEVEL

INDICATOR

WINDOW

HIGH

 

PRESSURE

 

HOSE

PUMP DIP-

CONNECTION

2 x 1/2” NPT(f)

STICK

WATER

 

CONNECTION

 

2 x 1” NPT(f)

 

Water supply tank, gun & wand assem- bly, hose assembly and motor starter are not included.

Figure 1

Check for Shipping Damage

Check the unit for any damage that may have occurred in shipping. Notify the carrier immediately if there is any damage.

Install the appropriate spray tip on the wand. See Installing and Changing Spray T ips. If you are using a sandblaster kit, see its separate manual for installation instructions.

Set Up

Before connecting the unit, be sure the electrical service matches the specification in Technical Data (inside back cover) and the voltage label on the unit. With the unit off, connect the power supply cord to a grounded, GFCI–protected circuit.

If you are using a downstream chemical injector, install it between the pump unloader and the high pressure hose.

Connect the high pressure hose between the pump outlet and the gun inlet.

CAUTION

Up to 100 ft (30 m) of high pressure hose may be used. Longer hoses may af fect sprayer performance, and chemical injector performance, if used.

Connect to Water Supply

CAUTION

Before attaching to the water supply, check your local plumbing code regarding cross–connection to the water supply.

A backflow preventer P/N 801–133 is available to prevent backflow of contaminated water into the fresh water supply . Install it upstream from the pump.

Install a regulating water valve, P/N 800–258, if inlet water pressure is over 60 psi (4.1 bar).

Do not exceed 160 _￿ F (70 _￿ C) inlet water temperature.

NOTE: The water source for the unit must have a minimum 100 gallon float valve controlled water holding tank.

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Graco Inc 308-534, 800-909, 740, 800-906, 800-907 Installation, Check for Shipping Damage, Set Up, Connect to Water Supply

1040, 1035, 735, 308-534, 800-908 specifications

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The Graco 800-908 is a versatile air-operated diaphragm pump designed for transferring fluids and handling higher viscosity materials. One of its main features includes a corrosion-resistant construction that allows it to handle a variety of liquids, including corrosive and abrasive materials. This pump is equipped with a robust motor that ensures reliable performance in various industrial applications, making it an excellent choice for contractors and manufacturers alike.

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