Pressure Relief Procedure; Operation - Graco 204355 K Series Instructions-Parts List Manual

Extrusion flo-valve
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Pressure Relief Procedure

WARNING
INJECTION HAZARD
The system pressure must be manually
relieved to prevent the system from
starting or dispensing accidentally. Fluid
under high pressure can be injected through the
skin and cause serious injury. To reduce the risk of
an injury from injection, splashing fluid, or moving
parts, follow the Pressure Relief Procedure
whenever you:
are instructed to relieve the pressure,
stop dispensing,
check or service any of the system equipment,
or install or clean the nozzle.

Operation

1. Fully release the valve trigger and turn the valve
trigger safety (22) fully clockwise.
2. Shut off the fluid supply pump.
3. Hold a metal part of the gun firmly to the side of a
grounded metal pail, disengage the trigger safety
and trigger the valve to relieve pressure.
4. Fully release the valve trigger and release the
trigger safety.
5. Open the pump drain valve to help relieve pres-
sure in the pump, hose, and valve. Triggering the
gun to relieve pressure may not be sufficient. Have
a container ready to catch the drainage.
6. Leave the drain valve open until you are ready to
dispense again.

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This manual is also suitable for:

204-355

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