Pressure Relief Procedure

Pressure Relief Procedure

WARNING

Read warnings, page 9. Relieve pressure before cleaning or repairing gun.

1. Engage piston safety lock, page 12.

TI3850a

Air supply is required for gun actuation. Do not disconnect gun air supply until fluid pressure is relieved.

2. Close fluid valves A and B. Leave air valve (U)

open.

BU

TI3837a

A

3. Disengage piston safety lock, page 12.

4. Trigger gun onto cardboard or into waste container

to relieve pressure.

TI4243a

5. Engage piston safety lock, page 12.

TI3850a

WARNING

If 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

18

309856U

Page 18
Image 18
Graco TI3840a important safety instructions Pressure Relief Procedure