Follow the following steps to re-align tailstock to the spindle.
1) Insert a gauge bar between the spindle and tailstock, attach the base of a
test indicator to the saddle, and apply the stylus of the indicator to the
surface of the bar, of its maximal difference for later adjustment.
2) Release the fixing screw 1 and adjust the adjusting screw 2 to fine the
alignment.
4.2.4
4.2.5 Adjusting belt tension of spindle
The main spindle torque which depends on the motor power transmitted
through the belt, the operator must check the V belt's tension frequently by
adjusting screw if it becomes loosen.
4.2.6 Adjusting belt tension of x-axis
The new belt tension of X-axis should be 2.9mm elastic length when pressed by
1kg force. After a period of time, if the belt turned looser, adjust the belt to be
2.9mm by 1kg.
4.3 Electric equipment
4.3.1 Motor
Page 4-4
4.2.5