Adjusting Backlashes - Brother BAS-311E Service Manual

Chapter 4. Adjustments

13. Adjusting backlashes

66
q
0.05 - 0.12mm
w
q
w
BAS-311E.311EL.326E.326EL
Lower shaft
1. Tilt the machine head until it stops.
2. Loosen the set screw q, then turn the rock gear shaft w
to provide 0.05 - 0.12 mm looseness at the tip of the
shuttle driver e.
e
Y-axis feed
Loosen the four bolts q, then adjust the Y-pulse motor
w so that there is no backlash between the rock gear and
the idle gear.