Brother BAS-311E service manual Assembly, Adjustment procedure

Chapter 3. Assembly

!7

i

!9

!8

!6

!7

!5

Reference area

!6

@0

5.Attach the linear guide !5, the X-feed bracket !6, and the X-feed guide !7to the bed using the three bolts !8. Note: Adjust the X-feed guide !7so that the X-feed

bracket !6can easily move left or right.

Adjustment procedure

1.Position the front linear guide !9in the reference area

for installation on the front of the bed, and secure it using the six bolts @0and six washers.

2.Attach the rear linear guide @1to the rear of the bed using the five bolts @2and five washers. Keep in mind that the linear guide can move easily.

3.Attach the X-feed bracket !6to the linear guide !5us- ing the eight screws.

4.Adjust the rear linear guide @1so that the X-feed bracket !6can easily move left and right, and tighten the five bolts @2on the rear linear guide.

5.Place X-timing belt B i between the two timing belt spacers !9on the back of the X-feed bracket !6. Align a rectangular slot of the belt holder !8with a tooth of X-timing belt B i. and secure them using the belt @0.

i

9.8N

(1kgf) 3mm

6.Move the X-feed bracket !6to the left end and apply a load of 9.8N (1 kgf) to the center of the X-timing belt B i. Then adjust the X-timing belt B i with the adjust screw @1to produce a deflection of 3 mm.

!6

@1

80mm

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