W1772/W1773 37" Drum Sander
UP
—If the top of the conveyor belt rotates toward the front of the machine, it is moving in the wrong direction. Stop the machine, shut OFF the power source, then swap any two wires at the feed motor relay (see Figure 22). If the W1773 is connected to a phase converter, swap the L2 and L3 wires to correct the con- veyor belt rotation.
6.Press the CONVEYOR STOP button to stop the machine.
7.Model W1772: Press the SANDING DRUMS START and SANDING DRUMS STOP buttons. The sanding drums should start, run, and stop smoothly.
Model W1773: Verify that the power is not connected out of phase by pressing the SANDING DRUMS START button, using the criteria below:
The STOP button safety feature is not working correctly. This safety feature must work properly before proceed- ing with regular operations. Call Tech Support for help.
10.Reset the EMERGENCY STOP button.
11.Press the CONVEYOR START button, then press the emergency stop bar. The sander will come to a complete stop. The stop bar should only be used during emergencies. The emergency stop bar switch will wear quicker if this feature is used for regular shut down.
—If the conveyor belt does not come to a complete stop, the emergency stop bar is not working correctly, immediately dis- connect power to the machine and call Tech Support for help.
SET
—If the drums rotate toward the back of the machine, they are moving in the cor- rect direction.
—If the drums rotate toward the front of the machine, they are moving in the wrong direction. Stop the machine, shut OFF the power source, then swap any two wires at the sanding drum motor relay (see Figure 22). If the W1773 is connected to a phase converter, swap the L2 and L3 wires to correct the sand- ing belt rotation. (The "wild wire" is con- nected to the L1 terminal.)
8.Press the EMERGENCY STOP button to stop the machine.
9.WITHOUT resetting the switch, press the CONVEYOR 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.
Recommended
Adjustments
For your convenience, the adjustments listed below have been performed at the factory and no further setup is required to operate your machine.
However, because of the many variables involved with shipping, some of these adjust- ments may need to be repeated to ensure opti- mum results. Keep this in mind as you start to use your new drum sander.
1.
2.Conveyor Tensioning & Tracking (Page 36).
3.Drum Adjustments (Page 38).
4.Pressure Roller Height (Page 42).
