Pump key
Maintenance
5-2
Part 1073401_07
E 2021 Nordson Corporation
Relieving System Pressure
Before disconnecting any hydraulic fitting or opening any pressurized port,
always complete the following procedure to safely relieve hydraulic pressure
that may be trapped inside the melter, hoses, and applicators.
To relieve system pressure
1. Press the Pump key to stop the pump.
2. Trigger the applicators until hot melt no longer flows from the applicators.
Locking Out External Communications
WARNING! Disable external inputs and fieldbus communcations with the
melter before performing maintenance. Failure to disable external inputs or
fieldbus communications with the melter can result in personal injury due to
unexpected operation of the melter while performing maintenance.
To lockout external communications with the melter
S Set the control option for operating parameter 14 to 1 (enabled).
Refer to Section 3, Setting Up the Melter, for information about changing
operating parameters.
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