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System Operation
56 312776F
Systems with Color Change and without
Dump Valves
NOTE: This procedure relieves pressure through the
sampling valve.
1. Complete all steps under Single Color Systems,
page 55.
2. Close the A side shutoff valve (SVA), F
IG. 67. Open
the A side sampling valve (RVA).
3. Direct the A side sampling tube into a waste con-
tainer.
4. See F
IG. 66. 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 the sampling valve stops.
5. Press and hold the solvent solenoid override until
clean solvent comes from the sampling valve, then
release.
6. Shutoff the solvent supply to the color change stack
solvent valve.
7. Press and hold the solvent solenoid override until
solvent flow from the sampling valve stops.
8. Open the A side shutoff valve (SVA), F
IG. 67. Close
the A side sampling valve (RVA).
Systems with Color/Catalyst Change and
Dump Valves
NOTE: This procedure relieves pressure through the
dump valves.
1. Complete all steps under Single Color Systems,
page 55.
2. Shut off all color and catalyst supplies to the valve
stacks.
3. Press and hold the dump valve A solenoid override,
F
IG. 65.
4. See F
IG. 66. 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 B solenoid override,
F
IG. 65.
6. See F
IG. 66. Using the solenoid identification labels
as a guide, press and hold the override button on
each catalyst solenoid until flow from dump valve B
stops.
7. Press and hold the dump valve A solenoid override,
F
IG. 65.
8. Press and hold the A side (color) solvent solenoid
override until clean solvent comes from the dump
valve, then release.
9. Press and hold the dump valve B solenoid override,
F
IG. 65.
10. Press and hold the B side (catalyst) solvent solenoid
override until clean solvent comes from the dump
valve, then release.
11. Shutoff the solvent supply to the color/catalyst
change stack solvent valves.
12. Press and hold the A and B solvent solenoid over-
rides and dump valve overrides until solvent flow
from the dump valves stops.