Repair
7-6
P/N 7146386A
E
2008 Nordson Corporation
VBN w/o Control System
Replacing Coupling
NOTE:
All new couplings have square indentations (pockets) for the
coupling broken monitoring magnets.
WARNING:
Strong magnetic field. Risk of injury. Maintain 0.3 m /
12 inches clearance between magnets and magnetic data storage
devices, sensitive electrical or electronic equipment, and persons with
pacemakers.
Risk of injury due to strong magnetic attraction.
The magnets can break when handled incorrectly.
WARNING:
Hot! Risk of burns. Wear heat-protective gloves.
1. Disconnect the melter from the line voltage.
2. Detach protective panels and insulation blanket.
3. Turn the coupling far enough that assembly work can be performed
easily.
4. Allow the coupling to cool; the following tasks can be performed best
without gloves.
5. Release the coupling on the motor side.
6. Mark the position of the motor, then slide back the motor bracket
(with the motor and coupling broken-sensor) in the slot.
Fig. 7-7
7. Release and detach the coupling from the pump side, then dispose of it
properly.
8. Unscrew the sensor from the sensor bracket (The sensor will be used
again) and replace the old sensor bracket with the new one from the
spare parts kit
Coupling
.
9. Slide the magnets into the square indentations on the surface of the
coupling.
10. Degrease the edge of the coupling (e.g. with spirit) so that the adhesive
labels remain affixed.
11. Stick the two warning labels from the parts kit to the edge of the
coupling, next to the indentations.
12. Slide the motor in the slot until the motor shaft touches the pump shaft.
The two shafts must be aligned vertically and horizontally. Then slide the
motor back again.
13. Attach the new coupling to the pump shaft without using force (no jolts
or pounding).
Содержание VersaBlue 100H/100H
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