Grizzly G0503 - Manual (Page 51)

Model G0503 (Mfg. Since 12/08) -49-
Converting the Model g0503 to 440V operation
consists of 1) wiring the voltage transformer, 2)
rewiring the main motor and the hydraulic pump
motor, and 3) replacing the over-load relays with
the relays included in the Model g0503 440V
Conversion Kit (item #p0503909) that is sold
separately.
figure 68. inside of electrical box.
Voltage transformer
3. Move the wire from the 220V terminal on the
voltage transformer to the 440V or 480V ter-
minal depending on your voltage.
4. replace the main motor relay with the 440V
relay and set the dial to “30.”
5. replace the hydraulic pump motor relay with
the 440V relay and set the dial to “3.6.”
Rewiring to 440v
6. remove the wiring covers on the main and
hydraulic pump motors.
7. wire the main and hydraulic pump drive
motors as shown on the diagrams on the
inside of each motor wire cover. note—
figures 69 & 70 are provided for reference
and are current at the time that this manual
was written. However, always use the dia-
gram on the wire cover that comes with your
motor! The circled references on the dia-
grams represent the labels on the wires.
figure 69. Main motor 440V wiring.
L1 L2 L3
220V POWER
figure 70. Elevation motor 440V wiring.
L1 L2 L3
440V POWER
U1, U2 Orange
V1, V2 Black
W1, W2 Red
Siemens Motor
Only
8. replace any wire duct covers and motor caps
you might have removed during this proce-
dure, and close the electrical box door.
9. have a qualified electrician inspect your work
before test running the machine.
Electrocution or fire may occur if your con-
version does not comply with local and
state codes. Have your wiring conversion
inspected by a qualified electrician before
connecting your machine to power.
To convert the Model G0503 to 440v:
1. Disconnect the resaw from the power
source!
2. open the electrical box and locate the volt-
age transformer shown in figure 68.