Maintenance
5-2
Part 1120277_01
E 2012 Nordson Corporation
Preventive Maintenance Tasks (contd)
Table 5-1 Preventive Maintenance Tasks
Task Frequency Reference
Relieving system pressure Before performing any maintenance
task that requires opening a
hydraulic connection or port
Relieving System Pressure
Cleaning the exterior of the melter,
hoses, and guns
Daily Cleaning the Melter
Cleaning the hopper, melt plate,
reservoir, piston, and level sensor
probes
Weekly or as needed depending on
theadhesivetype
Cleaning the Hopper and Melt Plate,
Cleaning the Reservoir and Level
Sensors,andCleaning the Piston
Cleaning or replacing the electrical
enclosure fan filter
Depending on dust accumulation;
daily if necessary
Calibrating sensors As needed throughout the life of the
melter (sensors are
factory-calibrated)
Calibrating the Hopper-Empty
Sensor or Calibrating the Level
Sensors
Calibrating the pump speed display As needed throughout the life of the
melter (the pump speed display is
factory-calibrated)
Calibrating the Pump Speed Display
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