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Pressure Relief
Procedure
Pressure Reli
ef Procedure
Follow the Pressure Relief Procedure
whenever you see this symbol.
This equipment stays pressurized until pressure
is manually relieved. To help prevent serious
injury from pressurized fluid, such as skin injection,
splashing fluid and moving parts, follow the
Pressure Relief Procedure whenyoustopspraying
and before cleaning, checking, or servicing the
equipment.
Without Color Change
NOTE: The following procedure relieves all fluid and
air pressure in the system. Use your control interface
to issue the necessary commands to your system.
1. Turn off the supply pumps. Open the drain valve
on the supply line fluid filter to relieve pressure
in the supply line.
2. Command the system to Standby. Trigger the
spray device to relieve pressure.
3. Flush the remote mix manifold and spray device.
See Flush Mixed Material, page 22.
4. Shut off the solvent supply pump. To relieve
pressure, command the system to Purge and
trigger the spray device. When the pressure is
relieved, command the system to Standby to
avoid getting a Purge Incomplete alarm.
5. If pressure remains in the solvent line between
the solvent supply pump and the solvent valve:
• VERY
SLOWLY loosen a fitting to relieve
pres
sure gradually.
• Loos
en the fitting completely.
With Color Change
NOTE: The fol
lowing procedure relieves all fluid and
air pressure
in the system.
1. Turn off the supply pumps. Open the drain valve
on the supply line fluid filter to relieve pressure in
the supply lines. Do this for each color.
If using an
electrostatic gun, shut off the
electrost
atics before flushing the gun.
2. Trigger the gun to relieve pressure. From
Maintenance Screen 4 on the ADM, check the
box in the field labeled Gun for each color in the
system.
3. Command the system to Purge. Hold the gun
trigger open after the solvent valve shuts off to
relieve all pressure.
4. Set the system to Recipe 0 to flush the pumps
and to purge to the spray device. When flushing
is complete the system will go to Standby.
5. Shut off the solvent supply pump. Set the system
to Recipe 0 to flush solvent from the pumps and
to purge to the spray device. Command the
system to Standby after just a couple of seconds,
to avoid getting a Purge Incomplete alarm.
6. If pressure remains in the solvent line between
the solvent supply pump and the solvent valve:
•VERY
SLOWLY loosen a fitting to relieve
pres
sure gradually.
• Loos
en the fitting completely.
7. Ver
ify on the ADM Home Screen that neither
pum
p is showing any pressure.
NOT
E: If pressure remains in the solvent line
bet
ween the solvent supply pump and the solvent
val
ve,VERYSLOWLYloosenafittingtorelieve
pr
essure gradually.
332564B 19