User's Manual
Table Of Contents
- Related Manuals
- Equipment Approvals
- System Configuration and Part Numbers
- Warnings
- Important Two-Component Material Information
- Glossary of Terms
- Overview
- EasyKey Display and Keyboard
- Run Mode Screens
- Setup Mode
- ProControl 1KS Integration Specifics
- System Operation
- Meter Calibration
- Color Change
- Alarms and Warnings
- Alarm Troubleshooting
- Schematic Diagrams
- Technical Data
- Graco Standard Warranty
- Graco Information
System Operation
70 3A1080C
Systems with Color Change and Dump
Valves
NOTE: This procedure relieves pressure through the
dump valves.
1. Complete all steps under Single Color Systems,
page 69.
2. Shut off all color and catalyst supplies to the valve
stacks.
3. Press and hold the dump valve A solenoid override,
F
IG. 75.
4. See F
IG. 76. Open the color change module. Using
the solenoid identification labels as a guide, press
and hold the override button on each color solenoid
until flow from dump valve A stops.
5. Press and hold the dump valve A solenoid override,
F
IG. 75.
6. Press and hold the A side (color) solvent solenoid
override until clean solvent comes from the dump
valve, then release.
7. Shutoff the solvent supply to the color/catalyst
change stack solvent valves.
8. Press and hold the A solvent solenoid override and
dump valve override until solvent flow from the
dump valve stops.