Glossary of Terms

Workpiece

The item on which the cutting operation is being performed.

Drill Bit or Drill

The cutting tool used in the drill press to make holes in a workpiece.

Backup Material

A piece of wood placed between the workpiece and table...it prevents wood in the workpiece from splintering when the drill passes through the backside of the

workpice...also prevents drilling into the table top.

Revolutions Per Minute (R.P.M.)

The number of turns completed by a spin- ning object in one minute.

Spindle Speed

The R.P.M. of the spindle.

Backlash

The amount of handle movement or play between adjacent moving parts.

Motor Specifications and Electrical Requirements

Power Supply and Motor Specifications

WARNING: To reduce the risk of electrical hazards, fire hazards or damage to the tool, use proper cir- cuit protection. Your tool is wired at the factory for operation using the voltage shown. Connect tool to a power line with the appropriate volt- age and a 15-amp branch circuit. Use a 15-amp time delay type fuse or circuit breaker. To reduce the risk of shock or fire, if power cord is worn or cut, or damaged in any way, have it replaced immediately.

The A-C motor used on this tool is a totally enclosed fan cooled (TEFC), induc- tion nonreversible type, having the follow- ing specifications:

Rated H.P

1/2

 

 

Voltage

110-120

 

 

Amperes

8.0

 

 

Hertz (Cycles)

60

 

 

Phase

Single

 

 

RPM

1700

 

 

Rotation of Shaft

Clockwise

 

 

General Electrical Connections

DANGER: To reduce the risk of electrocution:

1.Use only identical replacement parts when servicing. Servicing should be performed by a quali- fied service technician.

2.Do not use in rain or where floor is wet.

This tool is intended for indoor residential use only.

WARNING: Do not permit fin- gers to touch the terminals of plug when installing or removing the plug to or from the outlet.

SYMBOLMEANING

Do not expose to rain or use in damp locations.

SAVE THESE INSTRUCTIONS

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RIDGID SP6490 Glossary of Terms, Motor Specifications and Electrical Requirements, Power Supply and Motor Specifications