Brother BAS-311E service manual Feed mechanism Y axis 326E, Assembly, r q w e

Chapter 3. Assembly

Feed mechanism (Y axis) 326E

r

q

w

e

Rack

25 - 44N (2.5 - 4.5kgf)

1.Engage the driving gear w embedded in the Y-feed pulse motor bracket q with the rack of the Y-driving shaft e.

2.The engagement load between the driving gear w embedded in the Y-feed pulse motor bracket q with the rack of the Y-driving shaft e should be 25 - 44 N ( 2.5 - 4.5 kgf) or less (so that the load will not fluctuate sharply). Move the Y-feed pulse motor bracket q vertically to adjust the load, and secure it using the bolts r.

t i

o

o	!0
	y

u

!1

3.Attach the Y-axis feed guide t to the left of the X-feed bracket y, pressing the former against u the latter.

4.Attach the Y-feed bracket i, the cross roller o, and the right Y-feed guide !0.

When attaching the right Y-feed guide !0to the right of the X-feed bracket y, lightly pushing it to the left so that there is no looseness in the Y-feed bracket i, and tighten the bolt and set screw !1.

BAS-311E.311EL.326E.326EL 37