Pressure Relief Procedure - Graco 295530 Operation, Parts, Service And Repair

Pressure Relief Procedure

Pressure Relief Procedure
Relieve pressure before cleaning or repairing
gun.
1. Close both manual valves.
Manual Valves
2. Trigger gun once onto waste area to relieve
fluid pressure in front end of gun.
3. Disconnect gun air supply, page 12.
4. If gun is removed from coupling block, fol-
low Clean Spray Gun Procedure, page 21.
If fluid in hose and proportioner is still under
pressure, follow Pressure Relief Procedure in
proportioner manual
To relieve pressure in hose after gun is
removed, place fluid manifold over containers,
facing away from you. Very carefully open
fluid valves. Under high pressure, fluid will
spray sideways from fluid ports.
16 311320J