4. ASSEMBLY

４-１２. Lower shaft mechanism

3396Q

KE-430C series

BE-438C

Apply grease.

KE-430B series

BE-438B

Place the driver against the retaining ring and provisionally tighten the bolt.

Clamp the rock gear with the stepped part of the rock gear shaft and the set screw collar so that there is no play in the rock gear, and then tighten the set screws.

Engage the lower shaft gear with the rock gear.

Apply grease.

Lower shaft bush

Set the needle bar to its lowest position and then insert the lower shaft with this screw stop facing straight downward.

Clamp the lower shaft bush with the lower shaft gear and the set screw collar so that there is no play in the lower shaft bush, and then tighten the set screws.

Apply grease.

3398Q

3397Q

Insert the crank rod (lower part) into the crank of the upper shaft, and then align the mating mark on the crank rod (upper part) from above and gently tighten

the screws.

Mating mark * Check that the machine pulley turns smoothly.

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

2.Rock gear

3.Set screw collar

4.Set screws [2 pcs]

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

6.Set screw collar

7.Set screws [2 pcs]

8.Retaining ring

9.Driver

10.Bolt [Temporarily tighten]

11.Crank rod (Lower part) [Insert into upper shaft crank]

12.Crank rod (Upper part) [Align the mating mark]

13.Screws [2 pcs]

83

KE-430B, 430C series