Extension Cords; Functional Description; Unpacking And Cleaning - Delta 31-250 Instruction Manual

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.

FUNCTIONAL DESCRIPTION

FOREWORD
The Delta Model 31-250 / 31-255X is an 18" x 36" drum sander with a two-speed drum. Its single-piece frame and cast-
iron table construction provides accuracy, stability, and easy adjustments. This unit can be fitted with an optional
outboard shaft that accommodates an accessory pneumatic drum for contour sanding. The 31-250 and 31-255X will
provide accurate sanding for wood up to 18" in one pass (36" in two passes).
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 AND MAY BE INTENDED TO ILLUSTRATE TECHNIQUE ONLY.
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.

EXTENSION CORDS

MINIMUM GAUGE EXTENSION CORD
RECOMMENDED SIZES FOR USE WITH STATIONARY ELECTRIC MACHINES
Ampere
Rating Volts
0-6 120
0-6 120
0-6 120
0-6 120
6-10 120
6-10 120
6-10 120
6-10 120
10-12 120
10-12 120
10-12 120
10-12 120
12-16 120
12-16 120
12-16 120

UNPACKING AND CLEANING

Total Length Gauge of
of Cord in Feet Extension Cord
up to 25 18 AWG
25-50 16 AWG
50-100 16 AWG
100-150 14 AWG
up to 25 18 AWG
25-50 16 AWG
50-100 14 AWG
100-150 12 AWG
up to 25 16 AWG
25-50 16 AWG
50-100 14 AWG
100-150 12 AWG
up to 25 14 AWG
25-50 12 AWG
GREATER THAN 50 FEET NOT RECOMMENDED
Fig. D
6