Specifications

Connecting Power for 3-phase
Motors
1. Be certain the power to the branch you are
connecting is off, and locked out, so power
cannot be reestablished, accidentally.
2. Connect the ground wires. Thse wires will be
either green, or green with a white trace.
3. Connect the remaining three cable wires to the
three power wires in the service branch.
4. Reestablish power to the branch.
5. Turn the machine on. The motor should be turning
counter-clockwise, the belt sander should be
Motor
Green or
green with
white trace
Switch
M
Motor
Switch
Unused switch
pole
Motor
Switch
4-pole cable to
junction box
moving downward, and the disc sander should be
turning clockwise. If this is the case, the ma-
chine can be considered wired correctly. If the
motor is not turning in the correct direction, take
the following corrective action:
6. Disconnect power in the branch again and be
certain it cannot be accidentally turned on while
you correct the wiring.
7. Reverse ANY TWO of the power wires to the
machine.
8. Reestablish power in the service branch to the
machine.
9. Turn on the machine again. The motor should now
be turning in the correct direction.
Single
phase
power
in
Figure 12: Schematicdiagramfor
single phase motorwith 3-wire
cable. Note:this schematic
providedfor usewith older
sanders,only. All machinesare
now shippedwith a 4-wire cable
whether single phaseor 3-phase.
Figure 13: $chematic diagramfor
single phase motorwith4-wire
cable.
15
Figure 14: Schematicdiagramfor
3-phasemotor.