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ELECTRICAL SAFETY
Extension Cords
Using extension cords is not recommended. The use of
extension cords will cause voltage to drop resulting in power
loss to the motor and overheating.
Instead of using an extension cord, increase the working
reach of the air hose by attaching another length of hose to
its end. Attach additional lengths of hose as needed.
If an extension cord must be used, be sure to follow these
guidelines:
1. Use only 3-wire extension cords that have 3-prong
grounding plugs and 3-pole receptacles that accept the
air compressor's plug.
2. When using the air compressor at a considerable distance
from the power source, use an extension cord heavy
enough to carry the current that the compressor will draw.
An undersized extension cord will cause a drop in line
voltage, resulting in a loss of power and causing the motor
to overheat. Use the chart provided below to determine the
minimum wire size required in an extension cord.
3. Only round jacketed cords listed by Underwriter's
Laboratories (UL) should be used.
**Ampere rating (on air compressor data plate)
0-2.0
2.1-3.4
Cord
length
25'
14
14
50'
14
14
100'
14
14
** Used on 12 gauge - 20 amp circuit.
Note: A.W.G. = American Wire Gauge
4. When working with the air compressor outdoors, use an
extension cord that is designed for outside use. This is
indicated by the letters "W-A" on the cord's jacket.
5. Before using an extension cord, inspect it for loose or exposed
wires and cut or worn insulation.
WARNING: Keep the extension cord clear of the
working area. Position the cord so that it will not
get caught on lumber, tools, or other obstructions
while you are working with a compressor. Failure to
do so can result in serious personal injury.
WARNING: Check the extension cords before each
use. If damaged, replace immediately. Never use
the air compressor with a damaged cord since
touching the damaged area could cause electrical
shock resulting in serious personal injury.
f NOTE: Use longer air hoses instead of long extension
cords. Your air compressor will run better and last longer.
Electrical Connection
1. This air compressor is powered by a precision built
electric motor. It should be connected to a power
3.5-5.0
5.1-7.0
7.1-12.0
12.1-16.0
Wire size (A.W.g.)
14
14
14
14
14
14
14
12
10
supply that is 120 volts, 60 Hz, AC only (normal
household current).
2. Do not operate this compressor on direct current (DC). A
substantial voltage drop will cause a loss of power and the
motor will overheat. If the air compressor does not operate
when plugged into an outlet, double check the power
supply.
Speed and Wiring
1. The no-load speed of the electric motor varies by model and
specification. The motor speed is not constant and decreases
under a load or with lower voltage. For voltage, the wiring
in a shop is as important as the motor's horsepower rating.
2. A line intended only for lights cannot properly carry a
compressor motor. Wire that is heavy enough for a short
distance will be too light for a greater distance. A line that
can support one compressor may not be able to support
two or three compressors.
Grounding Instructions
WARNING: Risk of electrical shock. In the event
of a short circuit, grounding reduces the risk
of shock by providing an escape wire for the
electric current. This air compressor must be
properly grounded.
The portable air compressor is equipped with a cord having
a grounding wire with an appropriate grounding plug.
14
1. The cord set and plug
12
grounding pin
–
grounded outlet
Fig. B
IMPORTANT: The outlet being used must be installed and
grounded in accordance with all local codes and ordinances.
2. Ensure the outlet being used has the same configuration
as the grounded plug. DO NOT USE AN ADAPTER.
3. Inspect the plug and cord before each use. Do not use if
there are signs of damage.
4. If these grounding instructions are not completely
understood, or if in doubt as to whether the compressor
is properly grounded, have the installation checked by a
qualified electrician.
DANGER: Risk of electrical shock. IMPROPER
GROUNDING CAN RESULT IN ELECTRICAL SHOCK.
•
Do not modify the plug provided. If it does not
fit the available outlet, a correct outlet should be
installed by a qualified electrician.
•
Repairs to the cord set or plug MUST be made by a
qualified electrician.
16
with this unit contains a
. This plug MUST be used with a
17
18
.
16
18
17
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