Before Repair

Pressure Relief Procedure

Follow Pressure Relief Procedure when you stop spraying or dispensing; and before cleaning, check- ing, servicing, or transporting equipment.

Relieve A and B Fluid Pressure

1. Engage trigger lock.

TI1949a

2.Press .

3.If fluid heaters are used, shut them off using the controls on the heater control box.

7.Hold a metal part of the gun firmly to a grounded metal pail with a splash guard in place. Trigger gun to relieve pressure in material hoses.

TI1953a

8. Engage trigger lock.

TI1949a

Relieve Pump Fluid Pressure

9.Close mix manifold valves (AH, AJ), then open sol- vent flush valve (AK) on mix manifold.

Fluid Heater B

Fluid Heater A

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4.Shut off feed pumps, if used.

5.Remove spray tip and clean.

6.Disengage trigger lock.

TI1950a

AK

AH

AJ

10.Open solvent pump air control (CB). Use lowest pressure needed to flush material out of hose.

CB

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313289S

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Graco 313289s Pressure Relief Procedure, Relieve a and B Fluid Pressure, Relieve Pump Fluid Pressure