ELECTRICAL REQUIREMENTS
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EFORE CONNECTING THE MACHINE TO THE POWER SOURCE, VERIFY THAT THE VOLTAGE OF YOUR POWER SUPPLY CORRE-
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PONDS WITH THE VOLTAGE SPECIFIED ON THE MOTOR I.D. NAMEPLATE. A POWER SOURCE WITH GREATER VOLTAGE THAN
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EEDED CAN RESULT IN SERIOUS INJURY TO THE USER AS WELL AS DAMAGE TO THE MACHINE. IF IN DOUBT, CONTACT A QUAL-
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FIED ELECTRICIAN BEFORE CONNECTING TO THE POWER SOURCE.
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HIS TOOL IS FOR INDOOR USE ONLY. DO NOT EXPOSE TO RAIN OR USE IN WET OR DAMP LOCATIONS.
CIRCUIT CAPACITY
Make sure that the wires in your circuit are capable of han-
dling the amperage draw from your machine, as well as any
other machines that could be operating on the same circuit. If
you are unsure, consult a qualified electrician. If the circuit
breaker trips or the fuse blows regularly, your machine may be
operating on a circuit that is close to its amperage draw
capacity. However, if an unusual amperage draw does not
exist and a power failure still occurs, contact a qualified tech-
nician or our service department.
CONVERTING THE MOTOR TO 220V
Note: When converting motor voltage on a machine that is
equipped with a magnetic switch, the switch contactor
must also be changed out for one made for the appropri-
ate voltage, as well as the thermal relay/circuit breaker
and “power in” indicator light (if applicable). Failure to
make these necessary modifications to the switch will lead
to malfunction and permanent switch failure.
Should you need to convert your machine’s motor from 110V
to 220V power, there is an electrical schematic drawing on the
inside of the motor cover plate. Unless you are a qualified elec-
trician, we do not recommend attempting this conversion on
your own. If you choose to do so, you may risk serious person-
al injury, damage to the motor and voiding the warranty of
your machine.
We suggest you ask your local General International distributor
to recommend qualified electricians in your area (or perhaps
one of their own technicians) who can make this conversion
properly and safely.
EXTENSION CORDS
If you find it necessary to use an extension cord with your
machine, use only 3-wire extension cords that have 3-prong
grounding plug and a matching 3-pole receptacle that
accepts the tool’s plug. Repair or replace a damaged exten-
sion cord or plug immediately.
Make sure the cord rating is suitable for the amperage listed on
the motor I.D. plate. An undersized cord will cause a drop in line
voltage resulting in loss of power and overheating. The accom-
panying chart shows the correct size extension cord to be used
based on cord length and motor I.D. plate amp rating. If in
doubt, use the next heavier gauge. The smaller the number, the
heavier the gauge.
Use proper extension cord. Make sure your extension cord is in
good condition. When using an extension cord, be sure to use
one heavy enough to carry the current your product will draw.
An undersized cord will cause a drop in line voltage resulting
in loss of power and overheating. Table 1 shows the correct size
to use depending on cord length and nameplate ampere rat-
ing. If in doubt, use the next heavier gage. The smaller the
gage number, the heavier the cord.
In the event of a malfunction or breakdown, grounding pro-
vides a path of least resistance for electric current to reduce
the risk of electric shock. This tool is equipped with an electric
cord having an equipment-grounding conductor and a
grounding plug. The plug must be plugged into a matching
outlet that is properly installed and grounded in accordance
with all local codes and ordinances.
Do not modify the plug provided - if it will not fit the outlet;
have the proper outlet installed by a qualified electrician.
Improper connection of the equipment-grounding conduc-
tor can result in a risk of electric shock. The conductor with
insulation having an outer surface that is green with or with-
out yellow stripes is the equipment-grounding conductor. If
repair or replacement of the electric cord or plug is neces-
sary, do not connect the equipment-grounding conductor to
a live terminal.
Check with a qualified electrician or service personnel if the
grounding instructions are not completely understood, or if in
doubt as to whether the tool is properly grounded.
Use only three prong grounding plugs and receptacles that
accept that type of plug. Repair or replace damaged or
worn cord immediately.
This tool is intended for use on a circuit that has an outlet that
looks like the one illustrated in Sketch A. The tool has a
grounding plug that looks like the plug illustrated in Sketch A.
A temporary adapter, which looks like the adapter illustrated
in Sketches B and C, may be used to connect this plug to a
two pole receptacle as shown in Sketch B if a properly
grounded outlet is not available. The temporary adapter
should be used only if a properly grounded outlet has been
installed by a qualified electrician - this adapter is not per-
mitted in Canada.
This tool is intended for use on a circuit that has an outlet that
looks like the one illustrated in Sketch D. The tool has a
grounding plug that looks like the plug illustrated in Sketch D.
Make sure the tool is connected to an outlet having the same
configuration as the plug. No adapter is available or should
be used with this tool. If the tool must be reconnected for use
on a different type of electric circuit, the reconnection should
be made by qualified service personnel; and after recon-
nection, the tool should comply with all local codes and ordi-
nances.
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ROUNDING INSTRUCTIONS
TABLE - MINIMUM GAUGE FOR CORD
AMPERE
RATING
TOTAL LENGTH OF CORD IN FEET
110 VOLTS 25 FEET 50 FEET 100 FEET 150 FEET
220 VOLTS 50 FEET 100 FEET 200 FEET 300 FEET
AWG
< 5
------->
18 16 16 14
6 TO 10
------->
18 16 14 12
10 TO 12
------->
16 16 14 12
12 TO 16
------->
14 12 * NR * NR
* NR = Not Recommended
A
B
C
6
D