1
0
Tank side
Pump side
1
2
Repair
7-9
P/N 7105144G
2008 Nordson Corporation
VersaBlue_NW
Replacing Gear Pump
Nordson recommends replacing the pump and sending the old one in to be
repaired.
WARNING: Hot! Risk of burns. Wear appropriate protective
clothing/equipment.
Tank Isolation Valve
NOTE: Operate the tank isolation valve only when the melter is heated to
operating temperature.
Pin in position 0: Closed
Pin in position 1: Open
Fig. 7-14
Detaching Gear Pump
1. Close tank isolation valve (1).
NOTE: Detach the gear pump only when the material is soft (70 °C/158 °F,
depending on material).
Fig. 7-15
CAUTION: The motor is precisely aligned and may not be be slid back with
the bracket in the slot.
2. Turn the coupling until the screws of the coupling half shells are more
easily accessible.
3. Release the screws (2) of the coupling half shells on the pump side.
4. The released coupling halves can fall apart. Remove carefully to prevent
separation. Store the coupling halves and protect them from dust. They
will be needed again.
Fig. 7-16
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