Makita BHS630 User Manual download pdf (Page 11)

[3] DISASSEMBLY/ASSEMBLY

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

DISASSEMBLING

ASSEMBLING

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.

Helical gear 39

Helical gear 24

Rubber ring 10

Bearing box

Spindle

Helical gear 17

Ball bearing

606ZZ

Flat washer 7

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.

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.

Spindle

Retaining ring S-10

Spindle

3. Helical gear 24, Ring 10 are removed from Bearing box.

In this step, Ball bearing 6900DDW is still in Bearing box.

1R031

Bearing retainer 14-43

for securing Ball bearing

6900DDW

Helical

gear 24

Ring 10

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.

Bearing

retainer 14-43

1R361

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.

Spindle

Ball bearing

6900DDW

Ball bearing

6900DDW

Ball bearing 6900DDW

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.

Fig. 15

Repair

P 11/ 16

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Makita BHS630 User Manual Page 11

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