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. D, 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.
EXTENSION CORDS
OPERATING INSTRUCTIONS
FOREWORD
The Delta Model 31-080 Belt/Disc Sander is a handy machine for sanding wood, metal, plastic, or ceramic workpieces.
This machine incorporates a 1" belt sander and a 5" disc sander, and uses an induction-type ball bearing motor for
long-lasting performance. Features include automatic belt tensioning, removable belt platen, built-in dust spout, and a
power take-off for mounting an accessory flexible shaft to do specialized work.
UNPACKING AND CLEANING
Carefully unpack the machine and all loose items from the shipping container(s). Remove the protective coating from
all unpainted surfaces. This coating may be removed with a soft cloth moistened with kerosene (do not use acetone,
gasoline or lacquer thinner for this purpose). After cleaning, cover the unpainted surfaces with a good quality household
floor paste wax.
NOTICE: THE MANUAL COVER PHOTO ILLUSTRATES THE CURRENT
PRODUCTION MODEL. ALL OTHER ILLUSTRATIONS ARE REPRESENTATIVE
ONLY AND MAY NOT DEPICT THE ACTUAL COLOR, LABELING OR
ACCESSORIES.
5
Fig. D
MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere Total Length Gauge of
Rating Volts of Cord in Feet Extension Cord
0-6 115
up to
25 18 AWG
0-6 115 25-50 16 AWG
0-6 115 50-100 16 AWG
0-6 115 100-150 14 AWG
6-10 115
up to
25 18 AWG
6-10 115 25-50 16 AWG
6-10 115 50-100 14 AWG
6-10 115 100-150 12 AWG
10-12 115
up to
25 16 AWG
10-12 115 25-50 16 AWG
10-12 115 50-100 14 AWG
10-12 115 100-150 12 AWG
12-16 115
up to
25 14 AWG
12-16 115 25-50 12 AWG
12-16 115
GREATER THAN 50 FEET NOT RECOMMENDED
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