Shutdown - Graco PR70 Operation & Maintenance Manual

Shutdown

If the machine is to remain idle for an extended period of
time, perform the following steps.
Systems with an MD2 valve:
1. Place a waste container below the dispense valve.
2. If installed, remove static mixer from the end of the
dispense valve.
3. Place a container below the dispense valve and
activate a small shot to flush mixed material out of
the valve.
4. Relieve pressure. See Pressure Relief Procedure.
5. With a clean rag and cotton swabs, clean the end of
the dispense valve.
6. Install nightcap on the dispense valve.
Systems with an over/under block:
1. Relieve pressure. See Pressure Relief Procedure.
2. Flush over/under block. See Flushing Procedure.
334116D
Shutdown
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