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Basic Operation
3A0868G 35
Pressure Relief Procedure
NOTE: The following procedure relieves all fluid and air
pressure in the ProMix 2KE system.
1. Press on Run Mix Spray (Screen 2) or
from any screen to put the system in Standby.
2. Follow procedure for Purging Fluid Supply Sys-
tem, page 33, if desired or necessary.
3. Shut off air supply to A and B pumps and solvent
supply pumps.
4. With the gun triggered, push the manual override on
the A and B dose and solvent valve solenoids to
relieve pressure. See F
IG
. 19. Verify that fluid pres-
sure is reduced to 0.
5. Reinstall the Control Box cover.
Lock Mode
NOTE: Do not change system type, number of guns,
hose length or hose diameter when material is loaded in
the system. Change these inputs only if system hard-
ware is changed.
If you change one of these inputs, the system locks so
that you cannot spray or mix. If you have changed to a
meter system, the system also locks if you change the
dosing type or the number of colors. The lock icons dis-
play.
Power down and power back up again to clear the lock
and put the new settings into effect. The lock ensures
that the selection was intended and prevents the user
from attempting to operate with incorrect settings.
Valve Settings
Dose valves and purge valves are factory set with the
hex nut 1-1/4 turns out from fully closed. This setting
limits maximum fluid flow rate into integrator and mini-
mizes valve response time. To open dose or purge
valves (for high viscosity materials), turn hex nut (E)
counterclockwise
. To close dose or purge valves (for
low viscosity materials), turn
clockwise.
See F
IG
. 21.
Shutdown
1. Follow Purging, on page 32.
2. Close main air shutoff valve on air supply line and
on ProMix 2KE.
3. Non-IS Systems: Shut off ProMix 2KE power
(0 position).
To reduce the risk of skin injection, relieve pressure
when you stop spraying, before changing spray tips,
and before cleaning, checking, or servicing
equipment.
F
IG
. 20. System Lock Mode
Lock
icons
F
IG
. 21. Valve Adjustment
E
TI11581a