Makita BHS630 dimensions Bearing Box Gear Section

P 11/ 16

Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-7. Bearing Box (Gear Section)

DISASSEMBLING

In case of repairing of Bearing box (Gear section) singly, no need to separate the machine from the Base.

(1)Remove Safety cover as per the upper left and upper right drawings in Fig. 12.

(2)Remove Bearing box (Gear section) from Blade case complete as per the lower right drawing in Fig. 12.

(3)Now the Bearing box can be disassembled as drawn in Fig. 15.

Fig. 15

1.Disassemble Rubber ring 10, Ball bearing 606ZZ Helical gear 17, Helical gear 39 and Flat washer 7. Spindle, Ball bearing 6900DDW, Helical gear 24 are still in Bearing box, which are disassembled in the next step.

Helical gear 17
Ball bearing	Flat washer 7
606ZZ
	Helical gear 39
Spindle
	Rubber ring 10
	Bearing box

2.Disassemble Retaining ring S-10 from Spindle. And then, remove Spindle with Arbor press, setting Bearing box on 1R031.

The Ball bearing 6900DDW has been broken in this step.

Retaining ring S-10	Spindle
Spindle	Helical gear 24
	1R031

3.Helical gear 24, Ring 10 are removed from Bearing box. In this step, Ball bearing 6900DDW is still in Bearing box.

Helical
gear 24	Bearing retainer 14-43
Ring 10	for securing Ball bearing
	6900DDW
	Spindle

5.Inserting Spindle into Ball bearing 6900DDW as illustrated below, push the Ball bearing with the Spindle. So, Ball bearing 6900DDW is removed from Bearing box.

4.Set 1R361 by fitting its Claw to the Groove of Bearing retainer 14-43.

And turn it counter clockwise. Now Bearing retainer 14-43 is removed from Bearing box.

1R361

Bearing retainer 14-43

Ball bearing 6900DDW

Ball bearing	Ball bearing
6900DDW	6900DDW

Spindle

ASSEMBLING

Take the reverse step of Disassembling. Refer to Fig. 15 and Fig. 12.

Note in Assembling:

Assemble fresh Ball bearing 6900DDW instead of the removed one, because the Ball bearing has been broken when removing Spindle from Bearing retainer 14-43.