4. ASSEMBLY

KE-484C

3402Q

3403Q

Carry out the steps in “5-26. Adjusting the tension of the upper shaft timing belt” before tightening.

Place the upper shaft timing belt onto the upper shaft pulley and the motor pulley.

3404Q

1.Lower shaft [Insert from the rear of the machine head]

2.Lower shaft timing pulley

3.Thrust bearing

4.Lower shaft gear spacer

5.Wick [Pass through the lower shaft and make a knot]

6.Set screw

7.U-timing belt, F

[Place onto the lower shaft timing pulley]

8.Rotary hook shaft

[Insert from the rear of the machine head]

9.Set screw collar

10.Set screws [2 pcs]

11.Lower gear

12.Set screw

13.Upper shaft timing belt

14.Motor bracket

15.Bolts [3 pcs: Temporarily tighten]

16.Bolt

17.Nut

18.Motor connector

85

KE-430B, 430C series