Graco ProMix Auto Service Parts page 26

Servicing Color Change/Catalyst
Assembly
Removing Color Change Pneumatic Solenoid
1.
Follow "Pressure Relief Procedure" on page 10.
2.
Close main air shutoff valve on air supply line and
on ProMix™ Auto.
3.
Shut off ProMix™ Auto power (0 position).
4.
Remove cover (A) by removing screws (B) and
loosening screws (C not shown).
5.
Remove 4 screws on solenoid to replace solenoid.
Removing Color/Catalyst Change Fluid Valve(s)
1.
Disconnect air (FF) and fluid lines (CC and GG)
from color change fluid valves.
Before disconnecting, verify that air and fluid lines
are clearly labeled to ease reassembly.
2.
Service color change valves as instructed in the
following manuals:
Manual Description
307731 Color Change Valve Assembly,
low pressure
307941 Color Change Valve,
low pressure
308977 Color Change Valve Assembly,
high pressure
308291 Color Change Valve,
high pressure
310656 Color Change Kit
Installing
1.
Connect air and fluid lines.
26
GG
DD
EE
CC
Low Pressure Color Change
EE
High Pressure Color Change
F . 30
IG
Service
A
B
C
B
FF
DD
TI4880
311189C