Pressure Relief Procedure

WARNING

SKIN INJECTION HAZARD

Follow this Pressure Relief Procedure whenever you are instructed to relieve pressure, stop spraying, check or ser- vice equipment, or install or clean spray tip. read

Injection Hazard Warning.

1.Turn OFF power and turn pressure control to low- est pressure setting.

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

 

ti7401a

Fig. 1

FLUSH

3. Turn prime valve down

Fig. 2

If suspected that spray tip or hose is clogged or that pressure has not been fully relieved after following

steps above , VERY SLOWLY loosen tip guard retain- ing nut or hose end coupling to relieve pressure gradu- ally, then loosen completely. Clear tip or hose obstruc- tion.

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

CAUTION

To reduce risk of pressure control malfunction:

DUse needle nose pliers to disconnect wire. Never pull on wire, pull on connector.

DMate wire connectors properly. Center flat blade of insulated male connector in female connector.

DRoute wires carefully to avoid interference with other connections of pressure control. Do not pinch wires between cover and control box.

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Graco 309063F important safety instructions Pressure Relief Procedure, Skin Injection Hazard