Makita FS4300 Technical Information page 5

R
epair
[4]-2. Assembling of Ring spring 33 and Leaf spring
1) Face the ends of Ring spring 33 to the left side when holding the machine as illustrated in Fig. 10, and fit Ring spring 33
into the groove on Gear housing complete.
2) Face the ends of Leaf spring to the right side when holding the machine as illustrated in Fig. 11, and hook the carved
ends of Leaf spring with the ribs of Gear housing complete.
Fig. 10
Ends of
Ring spring
33
Viewed from left side
[4] DISASSEMBLY/ ASSEMBLY
[4]-3. Replacing Armature
1) Loosen three 4x25 Tapping screws and remove Handle cover complete and Carbon brushes. (Fig. 12)
2) Loosen three 4x30 Tapping screws and remove the assembled parts of Gear housing, Gear housing cover and Armature
from Motor housing. (Fig. 13)
3) Remove Armature ass'y with Labyrinth rubber ring from Gear housing cover.
Armature ass'y can be disassembled as illustrated in Fig. 14. Use 1R269.
4) Take the disassembling step in reverse.
Note: Be sure to face the depressed portion of Ring 7 to Armature shaft gear end. (Fig. 15) Markings of ">PC<" "7"
are shown on the depressed portion.
Fig. 12
Handle cover
complete
4x25 Tapping
screw (3pcs.)
Motor
housing
Fig. 14
Ball bearing 608VV
Ring 7 (viewed
from flat side)
Fan 52
Armature ass'y
Fig. 11
Groove on
Gear housing
complete
Viewed from right side
Fig. 13
4x30 Tapping
screw (3pcs.)
Gear housing
complete
Insulation
washer
Ball bearing
607ZZ
Protrusions of Gear housing complete
Carved end of
Leaf spring
Gear housing
cover complete
Armature ass'y
Fig. 15
Ring 7 (viewed from depressed side)
(marking)
Labyrinth
rubber ring
Ball bearing 608VV
Ribs of Gear housing complete
to hook Leaf spring
Armature gear
shaft end
>PC<
Fan 52
P 5/ 7
(marking)
7