Brother BES-1260BC Service Manual download pdf (Page 34)

BES-960BC.1260BC

Chapter 2 Parts Replacement and Adjustment

9. Replacing timing belt Y

1. Turn off the power.

2. Remove the screws and the X-feed cover

q from the X-cover support plates L and R w.

3. Remove the screws of Y-feed cover U

e to separate it from the Y-feed cover support plate r.

4. Remove the !3 screws of the Y-feed frame t. Remove the Y-feed frame t from the Y carriage y and the rail connecting

plate

u, and shift the Y-feed frame e toward the front.

5. From the top of the Y carriage

y, loosen the bolts of the timing belt setting plate o from the holes of the Y carriage base

6. Loosen the two bolts

!1 securing the Y pulley bracket !0 and the bolts securing the Y feed cover support plate r.

7. Cut timing belt Y

!2 to remove it from timing pulleys A !3 and B.

Notes:

• When replacing timing belt Y, cut it.

• After replacing timing belt Y, reverse the above procedure for re-assembly.

• Adjust the belt tension before installing the Y-feed frame.

• After replacement, make sure that Y-feed resistance is 15 kgf with the tubular frame on, and 16 kgf with the cap frame

attachment on. If the resistance is too great, adjust the Y carriage.

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Brother BES-1260BC Service Manual Page 34