Sharp 1840TC-FC Instruction Manual And Parts List page 38

3.9.3 THE METHOD OF PERSSURE-ADJUSTING VALUE
1.Take off nut "A"
2.Release nut "C"
3.Use fl at head screw driver to adjust screw "B":C.W. direct increase pressure
4.Use fl at head screw driver to adjust screw "B":C.W. direct decrease pressure
5.Tighten nut "B"
6.Tighten nut "A"
Figure 6
3.9.4 Others
There are three oil balls on the tailstock
Please add 10 drops of recommended lubricant to them respectively every day
before operating to ensure the smoothenss of way.
Figure 7
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