Makita BFS440 Technical Information page 3

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Locater Section
DISASSEMBLING
Pull Lock ring strongly. Locater complete and Lock ring can be removed together.
When removing Locater base complete together with Locater complete and Lock ring, etc.:
1 Loosen 4x18 Tapping screws (2 pcs.) and remove Front cover.
2 Loosen M4x25 Pan head screw and pull Locater base complete. (Fig. 2)
Locator section can be removed as illustrated in Fig. 3.
Fig. 2
Locater base complete
M4x25
Pan head screw
Front cover
ASSEMBLING
Do the disassembling step in reverse.
[3] DISASSEMBLY/ASSEMBLY
[3] -4. Helical Gear 48, Clutch Section
DISASSEMBLING
1) Pull Lock ring strongly. Locater complete and Lock ring can be removed together.
2) Loosen 4x18 Tapping screws (9 pcs.) and remove Housing R. (Fig. 4)
3) Separate an assembly of Helical gear 48 and Clutch cam, etc. (Fig. 5) from Housing L and remove Ball bearing 608
with 1R269.
4) Remove Leaf spring by hooking and turning it with Long nose pliers. (Fig. 6) Do not lose Steel ball 3.5 on Spindle.
The assembly (Re: Fig. 5) can be removed by hand as illustrated in Fig. 7.
Fig. 4
4x18 Tapping screws (9 pcs.)
Housing R
Fig. 6 Fig. 7
Leaf spring
Ball bearing
608
Spindle
Long nose
Helical
pliers
gear 48
Lock ring
2
Locater complete
1
4x18 Tapping screws (2 pcs.)
Steel ball 4 Flat washer 26
(3 pcs.)
Clutch cam C Compression spring 25 Shoulder pin 8-10
Fig. 3
Leaf spring Ring spring 33
Locater base complete
M4x25 Pan head screw
Fig. 5
Ball bearing 608
Assembly of Helical gear 48 and Clutch cam, etc.
Flat washer 25 Spindle
(2 pcs.)
Steel ball 4
P 3/ 7
Dust seal ring
Brake pin Lock ring
Locater complete
Sleeve 20 Plane bearing 14
O ring 18 Leaf spring