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G
Grounded Plug
Grounding Pin
120-volt grounded connectors
shown. 220 / 240-volt grounded
connectors will differ in shape.
Model with a power supply cord:
This product must be grounded. For either 120-volt or
220/240-volt circuits connect power supply cord
grounding plug to a matching grounded outlet. Do not
use an adapter. (See DIAGRAM A)
In the event of an electrical short circuit, grounding
reduces the risk of electric shock by providing an
escape wire for the electric current. This product may
be equipped with a power supply cord having a
grounding wire with an appropriate grounding plug.
The plug must be plugged into an outlet that is properly
installed and grounded in accordance with all local
codes and ordinances.
Check with a qualified electrician or serviceman if
the grounding instructions are not completely
understood, or if you are not sure whether the
product is properly grounded. Do not modify the
plug provided. If it will not fit the outlet, have the
proper outlet installed by a qualified electrician.
Model that is permanently wired:
This product must be connected to a grounded, metallic,
permanent wiring system, or an equipment grounding
terminal or lead on the product.
Power supply wiring must conform to all required safety
codes and be installed by a qualified person. Check that
supply voltage agrees with that listed on product
nameplate.
Extension cords:
Use only a 3-wire extension cord that has a 3-blade
grounding plug. Connect extension cord plug to a
matching 3-slot receptacle. Do not use an adapter.
Make sure your extension cord is in good condition.
Check that the gage wire of the extension cord is the
correct size wire to carry the current this product will
draw.
Minimum gage for extension cords
Amps
Volts
Length of cord in feet
120v
25
50
100
240v
50
100 200
0-2
18
18
18
2-3
18
18
16
3-4
18
18
16
4-5
18
18
14
5-6
18
16
14
6-8
18
16
12
8-10
18
14
12
10-12
16
14
10
12-14
16
12
10
14-16
16
12
10
16-18
14
12
8
18-20
14
12
8
Grounded Outlet
150 200 250 300 400 500
300 400 500 600 800 1000
16
16
14
14
12
12
14
14
12
12
10
10
14
12
12
10
10
8
12
12
10
10
8
8
12
10
10
8
8
8
10
10
8
6
6
6
10
8
8
6
6
4
8
8
6
6
4
4
8
6
6
6
4
2
8
6
6
4
4
2
8
6
4
4
2
2
6
6
4
4
2
2
An undersized cord is a potential fire hazard, and will
cause a drop in line voltage resulting in loss of power
causing the product to overheat. The table indicates
the correct size cord for length required and the ampere
rating listed on the product nameplate. If in doubt, use
the next heavier gage cord. The smaller the gage
number, the heavier the wire gage.
OPERATION
WARNING
Injury Hazard
Install proper safety guards as needed.
Keep fingers and objects away from openings and
rotating parts.
When provided, motor terminal covers must be in
place for safe operation.
Product surfaces become very hot during operation,
allow product surfaces to cool before handling.
Air stream from product may contain solid or liquid
material that can result in eye or skin damage,
wear proper eye protection.
Wear hearing protection. Sound level from motor
may exceed 70 dBA.
Failure to follow these instructions can result in
burns, eye injury or other serious injury.
It is your responsibility to operate this product at
recommended pressures or vacuum duties and
room ambient temperatures. Do not start against a
vacuum or pressure load.
Start Up
If motor fails to start or slows down significantly under
load, shut off and disconnect from power supply. Check
that the voltage is correct for motor and that motor is
turning in the proper direction.
MAINTENANCE
WARNING
Electrical Shock Hazard
Disconnect electrical power supply cord before
performing maintenance on this product.
If product is hard wired into system, disconnect
electrical power at the circuit breaker or fuse box
before performing maintenance on this product.
Failure to follow these instructions can result in
death, fire or electrical shock.
3
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