Pressure Relief Procedure - Graco ProMix Auto Service Parts

Pressure Relief Procedure

Follow Pressure Relief Procedure when you stop
spraying, before changing spray tips, and before clean-
ing, checking, or servicing equipment. Read warnings,
page 5.
1.
While in Mix mode (dispensing mix material),
isolate the A and B fluid supply.
2.
Push the manual override on the A and B dispense
valve solenoids to relieve pressure.
If Dose alarm occurs, clear alarm.
3.
Purge mix material following the Purging section in
the ProMix™ Auto Operation Manual (311079).
4.
Isolate the solvent fluid supply.
5.
Initiate purge sequence following the Purging
section in the ProMix
(311079).
6.
Verify the solvent pressure is reduced to 0.
If Purge Volume alarm occurs, clear alarm.
10
™
Auto Operation Manual
Solenoid
Button
F . 2: Wall Mount Fluid Supply Solenoids
IG
F . 3: RoboMix Fluid Supply Solenoids
IG
Pressure Relief Procedure
Solenoid
Button
311189C