Makita BFT040F Technical Information page 7

R
epair
(2) Mount steel balls and cam B and cam A in the order of Fig. 24, Fig. 25, Fig. 26 and Fig.27.
Fig. 24
Steel balls 5
(3 pcs.)
Mount steel balls 5
to spindle.
(3) Before mounting, apply MAKITA grease N. No.2 to 13 pcs. of steel balls 3.0.
Assemble steel balls 3.0, flat washer 7 and torx counter sunk head screw M5x10 as illustrated in Fig. 28, Fig.29
and Fig. 30.
Fig. 28
Steel balls 3.0
(13 pcs.)
Pay attention, not to spot
the screw hole of spindle
with the grease, when
assembling steel balls.
Mount steel balls 3.0
to cam A.
(4) Before mounting, apply MAKITA grease N. No.2 to threaded portion of spindle.
Assemble compression spring 19, adjust ring complete and lock nut 12 in the order of Fig. 31 and Fig. 32.
Fig. 31
Adjust ring
Compression
complete
spring 19
Fig. 25
Cam B
Mount cam D to spindle
with aligning its 3 grooves
with steel balls 5.
Fig. 29
Flat washer 7
Mount flat washer 7
to cam A.
Lock nut 12
Pressing lock nut 12 strongly, turn adjust grip
clockwise. Then, lock nut M12 turns anti-clockwise
and fastened to spindle.
Fig. 26
Steel balls 4
(3 pcs.)
Cam A
Mount steel balls 4
to cam B.
After applying 0.1cc (3 drops) of
adhesive, "Lock tight 603" in the
screw hole, fasten flat washer 7
with torx counter sunk head
screw M5x10.
The fastening torque for the
screw is 8 - 10 N.m.
Fig. 32
P 7 / 15
Fig. 27
Mount cam A.
Fig. 30
Torx counter sunk
head screw M5x10
Apply here the
adhesive by 0.1CC,
before screwing.