Brother BAS-761 Service Manual download pdf (Page 34)

4. ASSEMBLY

BAS-7610

4-02

4-2. Auxiliary shaft

4-3. Timing belt

* Remove the rubber cap on the front of the arm. Adjust the timing belt tension so that the belt deflects 7 mm

when it is pressed with a force of 9.8 N. Tighten the nut (3) (left hand screw).

1669S

9.Three screws

8.Ball bearing presser

7.Ball bearing cover

6.Retaining ring

5.Ball bearing

10.Two set screws

11.Two set screws

1. Auxiliar

shaft

4.Ball bearing collar

3.Auxiliary shaft gear

2.Zigzag cam

1673S

12.Two set screws

Center

6.Ball bearing

8.Two set screws

7.Collar

3.*Nut (left handed screw)

2. Idler pulley

(It pushes against a timing belt.)

5.Oil cover

4.Head support stud

1.Timing belt

Rubber cap

1416S

1414S

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Brother BAS-761 Service Manual Page 34