Makita 9403 Technical Information page 2

R
epair
(1) Replacement of armature
a)
Unscrew tapping screws; two PT4x45 and one PT4x18 (one
CT4x40 in model 9403, and one CT4x16 in model 9921). Remove
dust collector cover and separator so that dust collector fan 80
appears.
b)
Unscrew tapping screw CT4x16 and remove belt cover.
c)
Take off holder cap and remove carbon brush.
d)
Remove synchro-belt 9-354.
e)
Turn pulley 10-24.1 clockwise and remove it.
(Note that the pulley 10-24.1 is fixed with a left-handed screw so
do not turn it counterclockwise.)
Tapping
screw PT4x18
Two tapping
screws PTx45
Carbon brush
Holder cap
Pulley 10-24.1
Dust collector cover
One tapping screw
CT4x40 for model 9403
One tapping screw
CT4x16 for model 9921
One tapping
screw CT4x16
Belt cover
Synchro-belt 9-354