ESAB Cutting Systems
CROSSBOW Page 161
5.6.15 Adjusting Cross Beam Drive Pinion Engagement
If there is too much backlash between the drive pinion and the drive rack, the pinion engagement needs
to be adjusted. Use the following procedure:
1) Follow the above procedure for Removing the Cover.
2) Loosen four screws holding Motor Mounting Plate to Rear Cross Drive Mount Panel, and slide
Cross Beam Drive Motor down to disengage the pinion. Mounting holes are slotted.
3) Re-Insert Cross Beam through Central Unit while cover is removed. Do not reassemble Cable
Holders or other items to Cross Beam.
4) Slide the Motor Mounting Plate upwards until Drive Pinion lightly touches Drive Rack. Do not
adjust pinion with too much pressure into rack, it will cause binding, rough motion, and motor
wear.
5) Tighten screws holding Motor Mounting Plate to Rear Cross Drive Mount Panel. Re-check
motion for smoothness.
6) Power on the CNC and test the Cross Beam motion before re-assembling.
Figure 127: Adjusting Cross Beam Pinion Engagement
Number Description
1 Rear Cross Drive Mounting Panel
2 Motor Mounting Plate
3 Drive Motor
4 Drive Pinion
5 Drive Rack
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