Replacing The Speed Reducer - Nordson 3400 Manual

Replacing the Speed Reducer

E 2000 Nordson Corporation
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7. Attach the conduit to the motor conduit box. Connect the wires as
shown in Table B 2-1.
Table B 2-1 Motor Wire Connections
Wire Number
31 (red)
31 (black)
31 SH and G7
32
39
8. Reinstall the motor conduit box cover.
9. Reinstall the drive cover.
10. Restore the system to normal operation.
Follow this procedure to replace the speed reducer.
Speed Reducer Removal
1. Place the melter circuit breaker in the OFF position, disconnect and
lock out electrical power to the melter at the branch circuit disconnect
switch, and disconnect and lock out electrical power supplied through
any I/O wiring.
2. See Figure B 2-7. Remove the drive cover (1).
3. Disconnect the motor (2) from the speed reducer (8). Do not hang
the motor by its conduit.
4. Remove the chain-tensioning screw and nut (11) and the four speed
reducer screws (7) to separate the speed reducer from the spacers
(9), the motor support bracket (10), and the adjusting bracket (12).
5. Remove the drive chain (3) from the speed reducer sprocket (5).
41-3000
Issued 11/00
B 2-19
Pump
Connect to...
A1
A2
green ground wire
TH
TH
B2EN-02-[3-PUMP]-5