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

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.

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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.

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8. Engage trigger lock.

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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.

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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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12 313289S