Grizzly Vertical Milling Machines G0728 - Manual (Page 13)

Model G0728–31 (Mfg. Since 11/11)
-11-
Front
View
Rear
View
1 12 9 4 8 5
3 1011 2 6 7
Ground
Ground
Ground
3
1
4
2
6
Motor Rewired for 220V
Plug Rewired for 220V
Switch Box
Motor
Prewired
for 110V
6
Ground
KONCAR
GN20
H-6681-U24
KONCAR
GN20
H-6681-U24
Start
Capacitor
500MFD
125VAC
110 VAC
5-15 Plug
(As Recommended)
Hot
Hot
Ground
Hot
Neutral
Ground
6-15 Plug
(As Recommended)
220
VAC
G
4
3 2
5
1
5
Ground
3
1
4
2
6
Motor prewired
for 110V
5
figure 5. Motor configured for 220v operation.
figure 4. Motor configured for 110v operation.
to convert this mill for 220v power, you must re-
wire the motor and install a nEMa 6-15 plug and
receptacle.
refer to page 39 for the full Wiring diagram.
you MuST disconnect the
mill from the power source
before beginning any of
the following 220V conver-
sion procedures to avoid
serious personal injury or
death by electrocution.
To rewire the motor:
1. remove the cover of the motor wiring junc-
tion box.
2. re-configure the motor wiring by removing
wires 1, 3, 4, 2, 5, and 6 from the terminal
block (see
figure 4).
3. replace wires 4, 1, and 6 on the terminal
block, as shown in figure 5.
4. use the wire nut to secure wires 2, 3, and 5
together, as shown in figure 5.
5. replace the cover of the motor wiring junc-
tion box.
Replacing the plug
replace the molded nEMa 5-15 plug with a
nEMa 6-15 by removing the original and install-
ing the new plug according to the manufacturer's
instructions.
Tools/Items Needed Qty
phillips head screwdriver #2 ............................ 1
Wire nut ............................................................ 1
Covers, guards, and safety devices on
this machine are provided for your safety.
Always keep them secured in place before
connecting the machine to power to avoid
serious personal injury.
Voltage Conversion