7
EXTENSION CORDS
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-1 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.
Fig. D-1
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
0-6 120
up to
25 18 AWG
0-6 120 25-50 16 AWG
0-6 120 50-100 16 AWG
0-6 120 100-150 14 AWG
6-10 120
up to
25 18 AWG
6-10 120 25-50 16 AWG
6-10 120 50-100 14 AWG
6-10 120 100-150 12 AWG
10-12 120
up to
25 16 AWG
10-12 120 25-50 16 AWG
10-12 120 50-100 14 AWG
10-12 120 100-150 12 AWG
12-16 120
up to
25 14 AWG
12-16 120 25-50 12 AWG
12-16 120
GREATER THAN 50 FEET NOT RECOMMENDED
FOREWORD
FUNCTIONAL DESCRIPTION
NOTICE: The photo on the manual cover illustrates the current production model. All other illustrations contained in
the manual are representative only and may not depict the actual labeling or accessories included. These are are
intended to illustrate technique only.
Delta ShopMaster Model DP350 is a 12" variable speed bench drill press with a flexible work lamp that allows you to
quickly and easily change the drill speeds without removing the cover and adjusting belts.
1 - Drill Press Head and Motor
2 - Column, Base Flange, and Rack
3 - Table
4 - Base
5 - Chuck
6 - Clamp Handle
7 - Pinon Shaft Handles (3)
8 - Table Raising and Lowering Handle
9 - M8x1.25x125mm Carriage Head Screws (2),
8.5mm Flat Washers (2), 8.5mm Lock Washers (2),
M8x1.25 Hex Nuts (2), (for fastening the base to a
supporting surface)
10 - Worm Gear for Table Raising and Lowering Mechanism
11 - Wrenches (one 3mm and one 5mm)
12 - M8x1.25x25mm Hex Head Cap Screws (4)
13 - Chuck Key
1
2
6
3
4
7
5
13
11
10
8
12
9
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