Makita 9403 Technical Information page 3

f) Unscrew cross-slot pan-head screw M5x12 that fixes dust collector
fan 80, and remove fan 80.
g) Remove two tapping screws PT4x18 which fix dust collector
bracket so that armature can be taken off together with dust
collector bracket.
(2) Removal of driving roller
a) Remove belt cover and synchro-belt 9-354 with the same
procedures as the replace of armature.
b) Unscrew three tapping screws CT4x16 and remove gear cover.
c) Insert lock nut wrench 28 into two holes of helical gear 43
complete, and fix the helical gear complete. Use 24mm box
wrench to turn driving roller clockwise and the driving roller can
be removed.
(3) Caution for replacement of edge slider complete
When assembling edge slider complete, be sure to install it so that
the ceramic plate side will be positioned inside as shown in the figure below.
Edge slider complete
Ceramic plate (white)
Pan-head screw M5x12
Tapping screw Fan 80
PT4x18
Tapping screw CT4x16
Helical gear complete
Lock nut wrench 28
Tapping
screw
PT4x18
Dust collector
bracket
Gear cover
Driving roller
24mm box wrench