Makita BFT040F Technical Information page 6

R
epair
(5) Insert hex wrench into the hole of spindle and hold the hex wrench with vise. Insert torx wrench T25 into
the hole of torx counter sunk head screw M5x10. And turn torx wrench T25 anti-clockwise. See Fig. 20.
Use the hex wrench with the
following size.
6mm
(6) After removing torx counter sunk head screw M5x10, the clutch section can be disassembled in the order of
flat washer 7, steel balls 3.0, cam A and steel balls 4. See Fig. 21.
Remove steel balls 5. Then, cam B can be removed from spindle. See Fig. 22.
Cam B
Cam A
Steel ball 4
(3 pcs.)
< 7 > Assembling clutch section
(1) Before mounting, take the following steps. See Fig. 23.
1. Apply MAKITA grease N. No.2 to 3 pcs. of steel balls 5 and 3 pcs. of steel ball 4.
2. For effective adhesion, clean the screw hole of spindle and torx counter head sunk screw M5x10 with petrol.
Spindle
Torx counter sunk
head screw M5x10.
Flat washer 7
Steel balls 3.0
(13 pcs.)
Fig. 21
<Note>
Pay attention, not to lose steel
balls, when disassembling.
Screw hole for
torx counter sunk head
screw M5x10
Hex wrench
Fig. 20
Steel ball 5
(3 pcs.)
Torx counter sunk
head screw M5x10
Fig. 23
P 6 / 15
Torx wrench T25
Torx counter sunk
head screw M5x10.
Cam B
Spindle
Fig. 22