Graco 233777 Operation, Read Toxic Fluid Hazard, sure Relief Procedure above, Read Fire and

Operation

Pressure Relief Procedure

WARNING

The system remains pressurized until pressure is manually relieved. To reduce the risk of serious injury from pressurized fluid, accidental spray from the gun, or splashing of any fluid, follow this proce- dure whenever you

DStop spraying

DAre instructed to relieve pressure

DCheck or service any system equipment

DInstall, clean, or change spray nozzles

1.Shut off the bleed-type air valve (B).

2.In a spray system, hold the gun (S) firmly against a grounded metal pail and trigger the gun to relieve the fluid pressure.

3.Place the drain tube (K) in a waste pail. Open the drain/circulation valve (J) to relieve any fluid pres- sure trapped in the system.

Starting and Adjusting the Pump

1.	Read Toxic Fluid Hazard
	on page 5.

2.If lifting the pump, follow the Pres-

sure Relief Procedure above.

	Be sure the pump is
3.	properly grounded.
	Read Fire and

Explosion Hazard on page 4.

4.Check all fittings to be sure they are tight. Use a compatible liquid thread sealant on all male threads. Tighten the fluid inlet and outlet fittings snugly. Do not overtighten the fittings.

NOTE: Before using he pump, re–torque fluid cover screws (38) to 10 ft–lb (13.6 NSm).

5.Place the suction tube (L, if used) in the fluid to be pumped.

6.Place the fluid hose (P) in a container.

7.Close the drain/circulation valve (J).

8.Close the pump air regulator (F). Open all bleed- type master air valves (B, E).

9.If the fluid hose has a dispensing device, hold it open while continuing with the following step. Slowly open the air regulator (F) until the pump starts to cycle. Allow the pump to cycle slowly until all air is pushed out of the lines and the pump is primed.

If you are flushing, run the pump long enough to thoroughly clean the pump and hoses. Close the air regulator. Remove the suction tube from the solvent and place it in the fluid to be pumped.

Pump Shutdown

WARNING

To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure at left.

At the end of the work shift, flush the pump and relieve pressure.

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