Graco Inc ti6124a, 309639, 309250, 310820, 310876, 310824D, 256481, 256391 Pressure Relief Procedure

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Pressure Relief Procedure

WARNING

Follow this Pressure Relief Procedure whenever you are instructed to relieve pressure, stop spraying, check or service equipment or install or clean spray tip. Read Injection Hazard Warning, page 3.

1.Turn OFF power and turn pressure control to lowest pressure setting.

2.Hold gun against side of grounded metal flushing pail. Trigger gun to relieve pressure.

ti5310a

FLUSH

Pressure Relief Procedure

3. Turn prime valve down.

ti5304a

If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved after following the steps above, VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually, then loosen completely. Clear hose or tip obstruction.

4.Engage trigger safety lock on gun if unit is being shut down or left unattended.

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310824D

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Contents Stand Hi-Boy ProStepContents Manual ConventionsGrounding Instructions GroundingFire and Explosion Hazard Equipment Misuse Hazard Component Identification Component IdentificationInstallation Grounding and Electric RequirementsPressure Relief Procedure General Repair Information Troubleshooting Motor Won’t OperatePower Cord Replacement Cord. See page 7, Grounding and Electric 14, Displacement Pump Replacement Displacement Pump Replacement RemovalInstallation Drive Housing Replacement Spin Test Armature Short Circuit TestFan Replacement Motor Brush Replacement Control Board Replacement 120V Fuse Replacement Pressure Control Assembly Replacement Manifold Replacement Drain Line Replacement RemovalPower Cord Replacement Motor Replacement Wiring Diagram 120V ModelTechnical Data Graco Standard Warranty For Graco Canada Customers