Brother BAS-311E Service Manual page 45

Feed mechanism (Y axis) 326E
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.
u
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 ! 0 to 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 .
q
t
o
BAS-311E.311EL.326E.326EL
Chapter 3. Assembly
r
w
e
Rack
i
o
!0
y
!1
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