Graco 332097A Manual de usuario descargar pdf (Pagina 6)

DRY SYSTEM CHECKOUT

This is an initial checkout to determine if the setup has been properly completed. The dry checkout is

conducted without any material in the system.

Attach the pressure lines from the Dispensing Valve to the air outlets on the air supply controller.

Turn on the electric and air supply.

Set the air pressure to 70 psi (483 kPa) on the system pressure gauge.

In the normal rest position, the spring holds the Lower Pitch-Off Piston back, sealing the Dispense

Tube. (See "Fill" on Sequential Function drawing.)

Momentarily press the Dispense Valve Cycling Control Switch.

The Upper Pinch-Off Piston is pressurized, sealing the Dispense Tube while the Lower Pinch-Off

Piston is pressurized to release the Dispense Tube. (See "Dispense Delay" on Sequential Function

drawing.) The Integral Dispense Piston moves to the Micrometer Stop.

The Dispense Valve air solenoid valve should cycle and show a slight fluctuation in the system

pressure gauge. (See "Dispense" on Sequential Function drawing.)

When this happens, the system is correctly installed.

MATERIAL LOADING

Place the filled syringe

of material through the syringe clamp, mating the syringe to the Dispense

Tube. Then tighten the syringe clamp using the adjustment knob until snug. Install the Receiver cap

Assembly to the top of the syringe.

NOTE: These instructions assume the material is supplied from a valve-mounted syringe, if the

material supply is remote mounted, connect the material supply hose to the valve's luer lock fitting

instead.

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Graco 332097A Manual de usuario Pagina 6