Nordson PURBlue EC - Page 114

Repair
7-6
P/N 7135268B
E 2008 Nordson Corporation
PURBlue EC
Replacing Motor (contd.)
1. Disconnect motor power cable in the electrical cabinet.
2. Detach plug connector from motor controller.
3. Turn the cardan joint (4, Fig. 7-4) until the setscrew (5) on the motor side
is accessible.
4. Loosen the setscrew.
5. Remove the hex bolts (6) and detach the old motor (9).
6. If necessary, remove protective varnish from the shaft of the new motor.
Guide the shaft into the Cardan joint without using force (no jolts or
pounding). If necessary, sand pulley keys and shaft with emery cloth.
Lubricate pulley keys and shaft if needed.
7. Install new motor in the bracket. Tighten the fixing screws crosswise
using a torque wrench. Torque: 20 Nm / 177 lbin.
8. Fasten the motor shaft to the Cardan joint using the setscrew.
Reconnect motor electrically.
9. Secure power cable with strain relief. Ensure that cable shield and
clamp have contact.
10. Verify that the connection effects the desired direction of rotation (see
arrow).
Fig. 7-5 Direction of pump
rotation