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Electrical Instructions
Caution: This tool must be grounded while in use to protect the operator from electric shock.
Note: The JDP-20VS-1 is rated at 115/230V and comes pre-wired at 230V. The JDP-20VS-3 is rated at
230Vand cannot be changed.
In the event of a malfunction or breakdown, grounding provides a path of least resistance for electric
current to reduce the risk of electric shock. This tool is equipped with an electric cord having an
equipment-grounding conductor and a grounding plug. The plug must be plugged into a matching outlet
that is properly installed and grounded in accordancewith all local codes and ordinances.
Do not modify the plug provided. If it will not fit the outlet, have the proper outlet installed by a qualified
electrician.
Improper connection of the equipment-groundingconductor can result in a risk of electric shock. The
conductor, with insulation having an outer surface that is green with or without yellow stripes, is the
equipment-grounding conductor. If repair or replacementof the electric cord or plug is necessary, do not
connect the equipment-grounding conductorto a live terminal.
Check with a qualified electrician or service personnel if the grounding instructions are not completely
understood, or if in doubt as to whether the tool is properly grounded. Use only three wire extension cords
that have three-prong grounding plugs and three-pole receptaclesthat accept the tool's plug.
Repair or replace a damaged or worn cord immediately.
Important Information
The JDP-20VS-1
comes pre-wiredfrom the factory at 230V. It is strongly recommended that this drill
press be operated at 230V. If, however, you decide to change the operatingvoltage to 115V, please be
advised that the drill press may be hard to start when set at a higher R.P.M. When operating the drill
press, lower the R.P.M. to the lowest setting before turning the machine off. This will make starting the
machine easier.
115 Volt Operation
Note: The JDP-20VS-1 is rated at 115/230Vand comes pre-wired at 230V. The JDP-20VS-3 is rated at
230Vonly and cannot be changed.
If 115V, single-phase operation is desired; the following instructions must be followed:
1. Disconnect the machine from the power source.
2. This drill press is suppliedwith four motor leads that are connected for 230V operation, as shown in
Figure D. Reconnect these four motor leads for 115Voperation, as shown in Figure C.
3. If the drill press is to be fitted with a plug insteadof hard-wired, it should only be connected to an
outlet having the same configuration as illustrated by the grounded outlet box in Figure E. No adapter
is available or should be used with a 230V plug.
Important: In all cases (115 or 230 volts), make certain the receptacle in question is properly
grounded. Ifyou are not sure, havea licensed electriciancheck the receptacle.
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