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W1756/W1757 43" Wide-Belt Sander
SETUP
Stop the machine, shut OFF the power source,
then swap any two wires (U2, V2, or W2) at the
"Table Up/Down" motor connection as shown in
Figure 15.
9. Press the FEED BELT START and FEED BELT STOP
buttons. The feed belt should start, run, and stop
smoothly.
10. Press the SANDING BELT START and SANDING BELT
STOP buttons. The sanding belt should start, run,
and stop smoothly.
— When operating correctly, the machine runs smooth-
ly with little or no vibration or rubbing noises.
However, you will hear an air leaking sound from
the oscillation controller fork jet (
Figure 12).
— Investigate and correct strange or unusual noises
or vibrations before operating the machine further.
Always stop the machine and disconnect it from
power before investigating or correcting potential
problems.
11. Press the EMERGENCY STOP button to stop the
machine.
12. WITHOUT resetting the switch, press the FEED BELT
START button. The machine should not start.
— If the machine does not start, the EMERGENCY
STOP button safety feature is working correctly.
— If the machine does start (with the EMERGENCY
STOP button pushed in), immediately disconnect
power to the machine.
The STOP button safety feature is not working
correctly. This safety feature must work properly
before proceeding with regular operations. Call
Tech Support for help.
13. Reset the EMERGENCY STOP button.
14. Press the FEED BELT START button, then press the
emergency stop plate. The sander will come to a
complete stop. The stop plate should only be used
during emergencies. Sanding belts will wear quicker
if this feature is used for daily shut down.
— If the feed belt does not come to a complete stop,
the emergency stop plate is not working correctly.
Call Tech Support for help.
Recommended
Adjustments
For your convenience, the adjustments
listed below have been performed at the
factory and require no further adjustment.
However, we recommend that you verify
that the adjustments are correct and to
your satisfaction.
Recommended adjustment checklist:
1. Pressure Rollers (Page 20).
2. Air System (Air Regulator to 75 PSI;
Page 31).
3. Table Calibration (Page 32).
4. Oscillation Timing (Page 36).
5. Oscillation Speed (Page 37).
6. Table Parallelism (Page 38).
7. V-Belt Tension (Page 41).
8. Feed Belt Tension (Page 45).
9. Feed Belt Tracking (Page 46).
NOTICE
Using the emergency stop system for
daily machine shutdown will wear out
the sanding belts and the brake
pads.
When shutting down the machine under
non-emergency conditions, use the red
OFF push buttons.
Figure 15. Example of switching Table Up/
Down Motor connection wires.