Makita Makstar BFT121F Technical Information page 7

R
epair
( 5 ) Remove spindle by pushing toward the armature side. See Fig. 15.
< 7 > Assembling gear assembly
( 1 ) Mount flat washer 12 to spindle. And apply MAKITA grease N No.2 to the spindle. See Fig. 16.
( 2 ) Mount the spindle to gear case complete. See Fig. 17.
( 3 ) Mount flat washer 12 and 16 pcs. of steel balls 3 (MAKITA grease N No.2 is applied to them.) and the
another flat washer 12 to spindle.
And then, secure the flat washers 12 and steel balls 3 with retaining ring S-12. See Fig. 18.
Apply MAKITA grease N No.2.
Flat
washer 12
2 pcs. of flat washers 12
16 pcs. of steel balls 3
< Note >
Be careful, not to lose steel balls 3
in this stage.
( 4 ) Mount flat clutch ring, 3 pcs. of steel balls 4 and inner gear 46 to gear case complete. See Fig. 19.
( 5 ) Mount carrier complete A, 3 pcs. of spur gears 17, 38 pcs. of steel balls 3 and flat washer 18. See Fig. 20.
Fig. 19
Clutch ring
Inner gear 46
Spindle
Flat washers 12
This flat washer 12 can remain in the gear case assembly,
when removing spindle.
Fig. 16
Spindle
Fig. 18
Retaining
ring S-12
Steel balls 4
38 pcs. of Steel balls 3
<Note> Before mounting, make sure, whether 38 pcs. of steel balls 3
Fig. 15
Fig. 17
Gear case complete
Flat washer 12
Retaining
ring S-12
Spindle
Gear case complete
Carrier
complete A
Spur gears 17
Flat washer 18
are remain, or not.
Spindle
Flat washers 12
Steel ball 3
Flat washer 12
Fig. 20
P 7 / 12