Pressure Relief Procedure - Graco ProMix 2KE Operation

Basic Operation

Pressure Relief Procedure

To reduce the risk of skin injection, relieve pressure
when you stop spraying, before changing spray tips,
and before cleaning, checking, or servicing
equipment.
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.
Manual overrides
Solvent Valve A
Solenoid
Dose Valve
A1 Solenoid
Solvent Valve B
Solenoid
F . 22. Solenoid Valves in Control Box
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36
Dose Valve B
Dose Valve A1 and A2
Solenoid
Solenoid location, if used
2. Shut off the A1 (plus A2 and A3, if using multiple
colors) and B fluid supply pumps/pressure pots.
3. Remove the Control Box cover.
4. With the gun triggered, push the manual override on
the A1 (A2, A3) and B dose valve solenoids to
relieve pressure. See F
5. Follow Purging procedure, page 34.
6. Shut off the fluid supply to solvent valves A and B.
7. With the gun triggered, push the manual override on
the A and B solvent valve solenoids to relieve sol-
vent pressure. See F
sure is reduced to 0.
8. Reinstall the Control Box cover.
Gun Flush Box Solenoid
location, if used.
. 22.
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. 22. Verify that solvent pres-
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