Changing Voltage; Extension Cords - Delta RS830 Instruction Manual

10" professional radial arm saw
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CHANGING VOLTAGE

The motor supplied with your saw is wired for 120 volt
operation. If you desire to operate your saw at 240 volts,
it is necessary to reposition voltage changing switch in
the motor junction box (B) Fig. D. Proceed as follows:
1.
WARNING:
DISCONNECT TOOL FROM POWER
SOURCE.
2. Remove screw (A) Fig. D, and remove nameplate
cover (B).
3. Carefully slide switch (C) Fig. E, in motor junction
box to read 240. Replace nameplate cover and screw
which were removed in STEP 2.
4. It is also necessary to replace the 120 volt plug
supplied with the motor with a UL/CSA listed plug
suitable for 240 volts and the rated current of the saw.
Contact your local Authorized Delta Service Center or
qualified electrician for proper procedures to install the
plug. The saw must comply with all local and national
electrical codes after the 240 volt plug is assembled.
B
A
Use proper extension cords. Make sure your extension cord is in good condition and is a 3-wire extension cord which
has a 3-prong grounding type plug and matching receptacle which will accept the machine's plug. When using an
extension cord, be sure to use one heavy enough to carry the current of the machine. An undersized cord will cause
a drop in line voltage, resulting in loss of power and overheating. Fig. F, shows the correct gauge to use depending on
the cord length. If in doubt, use the next heavier gauge. The smaller the gauge number, the heavier the cord.
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere
Total Length
Rating
Volts
of Cord in Feet
0-6
120
up to 25
0-6
120
25-50
0-6
120
50-100
0-6
120
100-150
6-10
120
up to 25
6-10
120
25-50
6-10
120
50-100
6-10
120
100-150
10-12
120
up to 25
10-12
120
25-50
10-12
120
50-100
10-12
120
100-150
12-16
120
up to 25
12-16
120
25-50
12-16
120
GREATER THAN 50 FEET NOT RECOMMENDED
Fig. D

EXTENSION CORDS

Gauge of
Extension Cord
18 AWG
16 AWG
16 AWG
14 AWG
18 AWG
16 AWG
14 AWG
12 AWG
16 AWG
16 AWG
14 AWG
12 AWG
14 AWG
12 AWG
Fig. F
CURRENT
CARRYING
PRONGS
GROUNDING BLADE
IS LONGEST OF THE 3 BLADES
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere
Rating
Volts
0-6
240
0-6
240
0-6
240
0-6
240
6-10
240
6-10
240
6-10
240
6-10
240
10-12
240
10-12
240
10-12
240
10-12
240
12-16
240
12-16
240
12-16
240
5
GROUNDED OUTLET BOX
Fig. C
A
Fig. E
Total Length
Gauge of
of Cord in Feet
Extension Cord
up to 50
18 AWG
50-100
16 AWG
100-200
16 AWG
200-300
14 AWG
up to 50
18 AWG
50-100
16 AWG
100-200
14 AWG
200-300
12 AWG
up to 50
16 AWG
50-100
16 AWG
100-200
14 AWG
200-300
12 AWG
up to 50
14 AWG
50-100
12 AWG
GREATER THAN 100 FEET NOT RECOMMENDED
Fig. F

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