Makita 9556HN Technical Information page 3

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Replacing Spiral Bevel Gear 10
DISASSEMBLING
(1) Separate Rear cover from Motor housing by removing 4x18 Tapping screw, then disconnect Carbon brush from
the commutator of Armature by moving the tail end of the spiral spring of Brush holder as drawn below. (Fig. 2)
Note: No need to remove Carbon brushes in this step.
(2) Remove Gear housing by unscrewing four 4x30 Tapping screws. (Fig. 3)
(3) Remove Gear housing cover from Motor housing together with Armature by levering with a slotted screwdriver fit to
the notch on the Gear housing cover. (Fig. 4)
(4) Remove Spiral bevel gear (small) from Armature. (Fig. 5)
Fig. 2
Motor housing
Spiral spring of
Carbon brush
Brush holder
Fig. 5
1. Remove M6 Hex nut that
fastens Spiral bevel gear 10
by turning it counter-
clockwise with a wrench 10.
Wrench 10
M6
Hex nut
Armature
Rear cover
4x18 Tapping screw
2. Pull off Spiral bevel gear 10
by hand.
Fig. 3
Motor housing
Gear housing
Fig. 4
Note: If it is difficult to remove by hand,
take the following step.
1. Lubricate the gear and Armature shaft
with spray lubricant.
2. Wrap the gear with a cloth to protect
the gear teeth.
3. Remove the gear by turning it with
a water pump pliers.
Spiral bevel
gear 10
Cloth to protect
Spiral bevel gear 10
P 3/ 8
Gear housing cover
notch