GBC StreamWire, Service Manual

Page: 119 / 455

Repairs/Adjustments 07/23/2020 GBC StreamWire
4-22
REP 2.10 Stepper and Mount Assembly Replacement
PARTS LIST ON PL 5.3
Use this procedure to remove and install the Bypass 1 (M1) and Bypass 2
(M2) stepper motors.
Removal Procedure
WARNING
Do not perform repair activities with the power on or electrical power
supplied to the machine. Some machine components contain
dangerous electrical voltages that can result in electrical shock and
possible serious injury. See Section 0, page vi for other languages.
1. Switch power OFF to eWire.
2. Disconnect the Power Cord.
3. Do REP 1.1
Top Cover Replacement to remove the Top Cover.
4. Locate the affected Motor.
5. Disconnect the Motor Connector from the corresponding Motor
Driver.
6. Remove tension from the Belt by loosening the Belt Tensioner.
7. Remove the Screws and Washers (4) and remove the Stepper
Mount Bracket from the Frame.
8. Remove the Motor Timing Pulley from the Motor shaft by pulling it
off of the shaft.
9. Remove the Stepper Motor from the Motor Bracket by removing the
M4 screws (4)
Installation Procedure
1. Install the Stepper Motor Pulley onto the Motor shaft
2. Install the Motor onto the Motor Bracket by tightening the M4
Screws (4). Note the directional orientation of the motor cable.
3. Place the Motor Bracket Assembly in position and tighten the
Screws (4).
4. Connect the Motor Connector.
5. Adjust the Belt tension. The belt should be taut but still be able to
flex approximately 1” when you press on it.
6. Do REP 1.1 Top Cover Replacement to install the Top Cover.
7. Connect the Power Cord.
8. Power ON the eWire.
Screws (4)
Washers (4)