Makita 9523NB Technical Information page 4

(2) Replacing of the spiral bevel gear 36
1) Disconnect the wheel and wheel cover, respectively.
2) Disconnect the tapping screw CT4x16 for holding the bearing box.
3) Since the spiral bevel gear is just inserted into the spindle, assemble/disassemble as shown on the below
figure.
Disassembling Assembling
Use Arbar press and press the shaft
Spindle complete
Bearing box
higher than 50mm
Spiral bevel gear 36
Ring plate for repair