Pressure Relief Procedure - Graco LSR Select Instructions Manual

Operation

Pressure Relief Procedure

In the following step, any pressure in the lines will be
instantly relieved which may lead to material spraying
out of the valve and splashing in the bucket. Use
appropriate protective wear to prevent contact with
materials.
NOTICE
This procedure relieves pressure from the dispense
lines only. To avoid personal injury, refer to the feed
system documentation to relieve pressure from the
feed lines.
Pressure Relief Method with Power:
1. If the mixer is connected to the screw of the press,
put a container at the end of the screw.
2. Use the press controls to bleed the screw of mate-
rial.
3. Go to the DRIVE/VALVE CONTROL screen.
4. Press the SET MAN'L MODE button.
5. Press the OPEN SCREW VALVE button.
6. Let the pressure drop to 0 psi/MPa/bar.
18
Pressure Relief Method with No Power:
1. If the mixer is connected to the screw of the press,
put a container at the end of the screw.
2. Use the press controls to bleed the screw of mate-
rial.
3. Press the orange override buttons on the solenoid
valve assembly.
F . 14: Override Button
IG
4. Let the pressure drop to 0 psi/Mpa/bar.
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