Makita JS1000 Technical Information

P 7/ 12
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-6 Field
1. Remove Baffle plate from
Motor housing.
Remove 4x70 Tapping screws and
Spacer from Motor housing.
Note: Do not strike the edge of Motor
housing when removing Field.
Because the thin portion on the
edge is easy to broken.
2. To protect the edge of Motor
housing from breakage, mount
Gear housing complete and Crank
housing completes to Motor housing
temporarily.
(1) Remove Rear cover and then disconnect Carbon brush
from Armature’s commutator to protect Commutator
from being scratched.
Disconnect Field lead wire (red) from Brush holder. (Fig. 17)
(2) Remove four 4x50 Tapping screws and then separate Gear
housing complete and Crank housing. And remove Armature
from Motor housing as illustrated in Fig. 11.
(3) After removing Baffle plate, make preparation for removing
Field as illustrated in Fig. 18.
(4) Remove Field from Motor housing as illustrated in Fig. 19.
DISASSEMBLING
4x70 Tapping screw (2pcs.)
Gear housing
complete
Crank housing
complete
Motor housing
4x50 Tapping screws (4pcs.)
Baffle plate
Spacer
Fig. 18
Fig. 19
1. Strike Crank housing complete with Plastic hammer
to shift Field from the original position.
2. Disassemble Crank and Gear housing completes again,
if Field is shifted halfway out of Motor housing.
3. Screwing four 4x50 Tapping screws to
Motor housing, strike the screw heads
with plastic hammer.
Field can be removed from Motor housing.
Fig. 17
Field
Crank housing
Field lead wire
(red)
Slide Spring tails of Brush holders
and disconnect Carbon brushes
from Armature’s commutator.
Brush holder

Makita JS1000 Specifications

General

Brand	Makita
Model	JS1000
Category	Power Tool
Language	English