CHAPTER
5
TROUBLESHOOTING
MACHINE WILL NOT START:
(1)
Check main fuses and control circuit fuse.
(2)
Check reset on band drive motor starter (if used). Starting and stopping the machine a
number of times in quick succession or an overload will trip the starter heater. After
locating and correcting the trouble, push in the reset button. If the heater relay has
been set for automatic operation, it will not be necessary to push the reset button, but
only to wait for the relay to cool.
SEVERE MACHINE VIBRATION
(1)
Band wheels not balanced.
(2)
Variable pulley components not balanced.
(3)
Variable drive belts are unbalanced.
(4)
Machine not resting evenly on floor.
SAW BAND VIBRATION (while sawing)
Incorrect band speed.
(1)
Incorrect choice of saw band pitch.
(2)
Incorrect choice of coolant.
(3)
Incorrect feed pressure.
(4)
Work piece not firmly clamped to table.
(5)
Worn or improperly adjusted saw guide inserts.
(6)
Worn saw guide backup bearing.
(7)
Special support not used under work when using Heavy work clamp.
(8)
NO COOLANT FLOW:
(1)
Coolant applicator nozzle jammed.
(2)
Coolant hose clogged or kinked.
(3)
Coolant reservoir empty.
SURFACE FINISH ON WORK TOO ROUGH:
(1)
Saw guide inserts worn. Readjust.
(2)
Saw band speed too low.
(3)
Saw band pitch too coarse.
(4)
Feed too heavy.
(5)
Vibration.
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