Pressure Relief Procedure

Pressure Relief Procedure

Read warnings, page 5. Relieve pressure before cleaning or repairing gun.

1. Engage piston safety lock.

TI3850A

CAUTION

Air supply is required for gun actuation. Do not dis- connect gun air supply until fluid pressure is relieved.

2. Close fluid valves A and B. Leave air inlet (W)

open.

B

TI4752A

A

3. Disengage piston safety lock.

4. Actuate gun onto cardboard or into waste con-

tainer to relieve pressure.

TI4753a

5. Engage piston safety lock.

TI3850A

Fluid in the hose and proportioner is still under pres- sure. Follow the Pressure Relief Procedure in the pro- portioner manual.

To relieve pressure in the hose after the gun is removed, place the fluid manifold over containers, fac- ing away from you. Very carefully open the fluid valves. Under high pressure, fluid will spray sideways from the fluid ports.

TI3849A

TI2484A

310649C

13

Page 13
Image 13
Graco 310649C important safety instructions Pressure Relief Procedure