P 4/ 7

Repair

[3] DISASSEMBLY/ASSEMBLY

[3] -4. Helical Gear 48, Clutch Section (cont.)

ASSEMBLING

Taking the steps described in Fig. 8 to 11.

Fig. 8

1) Put Flat washer 26 on the flanged portion of

2) While turning Compression spring 25

Clutch cam C.

in the direction of the arrow, push it down

Note: Make sure that there is no space between

until it touches Flat washer 26.

Flat washer 26 and the flanged portion.

Compression spring 25

Flat washer 26

 

Clutch cam C

 

Fig. 9

3)Apply Makita grease FA No.2 to the inside wall of Clutch cam C to prevent Steel Ball 4 (3 pcs.) from falling off from Clutch cam C.

4)Put each Steel ball 4 in the concave portion on the inside wall of Clutch cam C.

Then assemble Clutch cam C to Helical gear 48.

Clutch cam C

Steel ball 4

Helical gear 48

 

(3 pcs)

 

Fig. 10

5) Assemble the parts illustrated below into Clutch section.

Note:

Apply Makita grease FA.No.2 to the specific portions of Spindle and Shoulder pin 8-10 illustrated in Fig. 1.

Spindle

Shoulder pin 8-10

Flat washer 25 (2 pcs)

Assembly of Helical gear 48

Ball bearing 608

Plane bearing 14

Steel ball 3.5

O Ring 18

Sleeve 20

Fig. 11

 

Rubber sleeve 10

Gear complete 18-44

6) Assemble Gear section to Housing L.

Plane bearing 5

 

(front)

 

Note: Do not forget to put Flat washer 5 between

 

 

 

Gear complete 18-44 and Plane bearing 5

Flat washer 5

 

(front).

 

 

 

 

Plane bearing 5

 

 

(rear)

Page 4
Image 4
Makita BFS450, BFS440 dimensions Flat washer