Townlabs TL518, Instruction Manual

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When re-assemble follow the reverse procedure.
The cardboard arbor is included with the mill
X and Y Lead Screws Axial Free Play Adjustment
An excessive axial free play in the thrust bearings may be compensated as follow:
1. Hold the wheel nut with the 10mm
ranch (Pos. 2) and release the hex jam
screw with the hex driver (Pos. 3).
2. Holding wheel (Pos. 1) with your hand
tight the wheel nut with the ranch (2).
Don’t over tighten it.
3. Holding the ranch (2) tight the hex jam
screw with the driver (3).
Z-Axis Free Play Adjustment
Adjusting the nut as shown on the picture
below may compensate an excessive axial
free play in the thrust bearings on Z-axis.
You may hold the Z-Ball Screw when
doing this. Don’t over-tighten the nut!