3.MAIN UNIT REPLACEMENT

EO18-33016A

3.4 Stepping Motor and Top Cover Open Sensor (Left)

12.Release the bunch of ground wires from the Cable Clamp.

13.Remove the screw to release the Ground Wire (red).

14.Remove the two PT-4x12 screws and one SMW-4x8 screw to detach the Stepping Motor Unit. NOTE: The SMW-4x8 screw secures the ground wire (green) together.

Bunch of Ground Wires

SMW-3x6 Screw

Cable Clamp

Ground Wire (Red)

PT-4x12 Screw

 

SMW-4x8 Screw

Ground Wire (Green)

15. Remove the two screws to separate the Stepping motor from the belt.

Stepping Motor

Timing Belt

SMW-4x10 Screw

16. Replace the Stepping Motor with a new one, and then reassemble in the reverse order of removal.

<Adjustment of Timing Belt>

1)Put the Timing Belt onto the Stepping Motor Pulley, and temporarily secure the Stepping Motor with the two screws.

2)Pushing the Stepping Motor at the portion indicated in the picture below by a tension gauge with 3-kg force, tighten the screws.

3)When the center of the belt is pushed by a tension gauge with 100-g force, it should sag for 1 mm.

2)

3)

Stepping

Motor

Timing Belt

Screw

3-10

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Toshiba BSA4TMTS12QMR, BSA4TMGS12QMR manual Adjustment of Timing Belt

BSA4TMTS12QMR, BSA4TMGS12QMR specifications

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