Pressure Relief Procedure
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313566J
Pressure Relief
Procedure
Follow the Pressure Relief Procedure whenever
you see this symbol.
1. Retract the metering rods. See your control box
manual. See
2. Close the fluid shut-off valve.
3. Remove the needle.
4. Dispense five shots. Shots should be at least 75%
of the full stroke.
5. Extend the metering rod into the tubes. If Graco
controls are provided with the system, see your con-
trols manual. See
on page 2.
6. Close the incoming air shut-off/bleed valve that
supplies air to the metering valve.
7. Close the incoming air shut-off/bleed valve that
supplies the feed system. See your feed system
manual for the proper pressure relief procedure.
Shutdown
1. Perform the
.
2. Inspect the metering rod for material buildup. Clean
as necessary.
3. Lubricate the metering rod with compatible lubricant
such as mesamoll or silicone oil.
4. Remove the needle adapter and replace it with a
5/16-28 set screw.
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 Pro-
cedure when you stop spraying and before cleaning,
checking, or servicing the equipment.
