JUKI FX-3R - Auto PWB Width Adjustment; Replacing the AWC Motor

FX-3R Maintenance Guide
5-21
Rev. 1.00
5-14. Auto PWB Width Adjustment
5-14-1. Replacing the AWC Motor
1) Disconnect the connectors of the motor relay cable.
2) Loosen the set screws e on the motor bracket d to detach the drive belt from the motor pulley
f.
3) Loosen the motor set screws g to detach the motor c.
4) Detach the motor pulley f from the motor.
5) Reassemble the components in the reverse order of steps 1) to 4). At this time, assemble the
components so that the end face of the motor shaft is aligned with the end face of the pulley f.
6) Adjust the tension of the drive belt.
• Belt tension adjustment procedure
Measure the tension at the center of the belt (see the Figure below) with UNITTA's belt tension
meter.
c Values to be input to tension meter Weight: 002.5
Width: 009.0
Span: 0133
d Adjustment value 25± 2.5N⋅m
Figure 5-14-1-1 AWC Motor
Measure the belt tension
at this position with the
tension meter.
c E94347290A0
AWC Motor Assembly