Delta N081935 Instruction Manual download pdf (Page 6)

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

Delta Model 18-900L 18" (457 mm) Drill Press With Lasers is a heavy-duty machine with a 3/4 HP, 120V induction motor,

5/8" capacity chuck and key, cast iron table, rack and pinion elevation mechanism, an external depth stop and an

integrated quill stop. The 18-900L has a tilting table for angle drilling. Side edges and parallel slots are provided for fast

workpiece clamping. The laser helps users target the workpiece exactly where the drill bit will enter the material.

NOTICE: 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 intended to illustrate

technique only.

FUNCTIONAL DESCRIPTION

FIG. B FIG.C

GROUNDED

OUTLET BOX

CURRENT

CARRYING

PRONGS

GROUNDING BLADE

IS LONGEST OF THE 3 BLADES

GROUNDED OUTLET BOX

GROUNDING

MEANS

ADAPTER

2. Grounded, cord-connected machines intended for use on a supply circuit having a nominal rating less than

150 volts:

If the machine is intended for use on a circuit that has an outlet that looks like the one illustrated in Fig. B, the machine

will have a grounding plug that looks like the plug illustrated in Fig. B. A temporary adapter, which looks like the adapter

illustrated in Fig. C may be used to connect this plug to a matching 2-conductor receptacle as shown in Fig. C, if a

properly grounded outlet is not available. The temporary adapter should be used only until a properly grounded outlet

can be installed by a qualified electrician. The green-colored rigid ear, lug, and the like, extending from the adapter must

be connected to a permanent ground such as a properly grounded outlet box. Whenever the adapter is used, it must be

held in place with a metal screw.

NOTE: In Canada, the use of a temporary adapter is not permitted by the Canadian Electric Code.

SHOCK HAZARD. In all cases, make certain that the receptacle in question is properly grounded. If you

are not sure, have a qualified electrician check the receptacle.

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Delta N081935 Instruction Manual Page 6

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