Maintenance - Makita JS1660 Instruction Manual

Operation (Fig. 5 & 6)
Turn the tool on and set front ends of the side blades
on the workpiece. Now simply move the tool forward,
keeping the side blades flush with the workpiece sur-
face.
CAUTION:
When cutting a small portion of the workpiece, you
may have difficulty completing the end of the cut. In
that case, try to cut it again, pulling the workpiece
back slightly.
6

MAINTENANCE

CAUTION:
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Replacement of carbon brushes (Fig. 7 & 8)
Replace carbon brushes when they are worn down to
the limit mark. Both identical carbon brushes should
be replaced at the same time.
Replacing blades
The service life of the blades varies in terms of the
workpiece to be cut. The following reference tables
indicate the approximate service life of the blades.
When the blades become dull, ask Makita Authorized
or Factory Service Centers to replace the blades.
For JS1660
Max.cutting capacities
Steel up to 400 N/mm
Steel up to 600 N/mm
Steel up to 800 N/mm
Aluminum up to 200 N/mm
For JS1670
Max.cutting capacities
Steel up to 400 N/mm
Steel up to 600 N/mm
Steel up to 800 N/mm
Aluminum up to 200 N/mm
To maintain product safety and reliability, repairs,
maintenance or adjustment should be carried out by
a Makita Authorized Service Center.
mm
2
1.6
2
1.2
2
0.8
2
2.5
mm
2
1.0
2
0.7
2
0.5
2
2.5