Brother BAS-311E Owner's Manual

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

Chapter 3. Assembly

9. Attach the Y-axis feed guide

@0 to the left of the X-feed

bracket

@1, pressing the former against the latter.

10.Attach the Y-axis feed bracket

@2, the cross roller @3, and

the right of the Y-axis feed guide

@4 right of the to the X-

feed bracket

@1.

Note: When attaching the Y-axis feed guide

@4 to the

right of the X-feed bracket

@1, lightly push it to the

left so that there is no looseness in the Y-axis feed
guide

@2, and tighten the set screw @5.

11.Tilt the machine head until it stops.
12.Pass the Y-driving shaft

@6 through the Y-driving shaft

holder

!6.

Align the reference line on the Y-driving shaft

@6 with the

end of the Y-driving shaft holder

!6.

Then, tighten the bolt

@7.

Note: Be sure to make the X-feed shaft support

@8 paral-

lel to the top of the bed to prevent timing belt (Y)

q from being damaged or cut.

13.Raise the machine head.

14.Temporarily attach the presser arm

@9 to the Y-feed

bracket

@2 with the screw #0.

15.Pass the X-feed shaft

#1 through the X-feed shaft sup-

port

@8 and the presser arm @9, then secure it with the set

screw

#2.

16.Loosen the bolt

!5 of the driving P motor bracket w.

When the power is turned off, adjust the driving P motor
bracket

w with the adjust bolt !5 so that timing belt (Y)

q is not slack and the presser arm @9 moves smoothly
forwards and backwards. Then power on the machine
and adjust the tension of timing belt (Y)

q with the ad-

just bolt

#3 so that there is no looseness of the presser

arm

@9.

17.After adjustment, tighten the bolt

!5 of the driving P mo-

tor bracket

Parallel

Line