Jet Tools C US JMS-12SCMS - Manual (Page 30)

30
Troubleshooting – Motor
Trouble Probable Cause Remedy
Brake does not stop
blade within 10
seconds.
Motor brushes not sealed or lightly
sticking.
Motor brake overheated from use of
defective or wrong size blade or rapid
ON/OFF cycling.
Arbor bolt loose.
Brushes cracked, damaged, etc.
Other.
Inspect/clean/replace brushes.
See MAINTENANCE section.
Use a recommended blade. Let cool down. See
Removing or Installing the Blade section.
Retighten. See Removing or Installing the Blade
section.
Replace brushes.
Contact your Service Center.
Motor does not start
Limit switch failure
Brush worn.
Fuse blown or circuit breaker tripped
on home panel.
Replace limit switch.
Replace brushes. See Maintenance section.
Verify there is electrical power at the outlet.
Brush spark when
switch released.
Worn brush.
Other.
Replace brushes. See Maintenance section.
Contact your Service Center.
Troubleshooting – Operation
Trouble Probable Cause Remedy
Blade hits table.
Misalignment. See the Setting Cutting Depth section in
Adjustments
Angle of cut not
accurate. Can not
adjust miter.
Miter table unlocked.
Saw dust under table.
See the Miter Angle Adjustment section in
Operations
Vacuum or blow out dust.
Important: Wear eye protection.
Cutting arm
wobbles. Loose pivot points. Contact Service Center.
Cutting arm will not
fully raise, or blade
guard won’t fully
close. Pivot spring not replaced properly
after service.
Saw dust build-up.
Contact Service Center.
Clean and lubricate moving parts.
Blade binds, jams,
burns wood.
Improper operation.
Dull or warped blade.
Improper blade size.
Wood is moving during cut.
See Operations section.
Replace or sharpen blade.
Replace with 12 in. diameter blade.
Use hold down clamp to secure workpiece to table.
Saw vibrates or
shakes.
Saw blade not round / damaged /
loose.
Arbor bolt loose.
Replace blade.
Tighten arbor bolt.
Laser not aligned -- Contact Service Center.
Laser turns off
Laser turns off after 20 minutes to
prevent heat buildup. Reset laser switch on trigger handle (turn off, after
2 seconds turn on again).