Brother BAS-311E service manual Feed mechanism Y axis, Disassembly, q r t

Chapter 2. Disassembly

Feed mechanism (Y axis) (2)

q	w
	w
	e

q

r

t

!3

y

u

!6

!5

!2

!4

!6

i	!8
o	!9

!1

!0

!7

1.Remove the bolts, the Y-feed guide assembly q, the cross roller w, and the Y-feed bracket e.

2.Remove the screws, the X-feed bracket r, and the linear guide t.

3.Remove the bolts and the Y-driving pulse motor bracket y.

4.Remove the bolts and the Y-pulse motor u.

5.Loosen the set screws of the idle gear i and timing pulley A o, and remove Y-pulley shaft A !0along with the retaining rings. (The idle gear i, timing pulley A o, and the ball bearing !1will come off.)

6.Loosen the set screw of timing pulley A !2, and remove the two retaining rings and Y-pulley shaft B !3.

7.Remove the bolts, the Y-driving pulse motor bracket !4, timing pulley A !2, the Y-timing belt !5, and micro bearings !6.

*To remove the Y-driving shaft holder !7, remove the bolt, the belt holder !8, the timing belt spacer, !9, and the Y- timing belt !5.

18 BAS-311E.311EL.326E.326EL