RIDGID R2720 Operation, Applications, Selecting Sanding Belts, Setting the Belt Sander Speed

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OPERATION

WARNING:

Do not allow familiarity with tools to make you careless. Remember that a careless fraction of a second is sufficient to inflict serious injury.

APPLICATIONS

You may use this tool for the purposes listed below:

nSanding wood, metals, plastics, and other materials

nSmoothing rough boards, chamfering, rounding edges

nRemoving rust, paint, varnishes, and stains

WARNING:

Always wear safety goggles or safety glasses with side shields when operating power tools. Failure to do so could result in objects being thrown into your eyes resulting in possible serious injury.

WARNING:

If your sanding job becomes particularly dusty or if you have a breathing condition, wear a dust mask or respirator to prevent damage to your health.

SELECTING SANDING BELTS

 

 

 

 

 

 

 

 

Selecting the correct size and type of sanding belt is an

 

 

 

 

 

 

 

 

 

WARNING:

 

 

 

 

 

 

important step in achieving a high quality sanded finish. Alu-

 

 

 

 

 

 

 

minum oxide, silicon carbide, and other synthetic abrasives

 

Do not use any attachments

or accessories

 

 

 

are best for power sanding.

 

 

 

 

 

not recommended by the manufacturer of this

 

 

 

 

 

 

 

In general, when sanding, coarse grit removes the most ma-

 

tool. The use of attachments or accessories not

 

 

 

terial and fine grit produces the best finish. The condition of

 

recommended can result in serious

personal

 

 

 

the surface to be sanded determines which grit will do the

 

injury.

 

 

 

 

 

 

 

 

 

 

 

 

 

best job. If the surface is rough, start with a coarse grit and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

sand until the surface is uniform. Then use medium grit to

 

WARNING:

 

 

 

 

 

 

remove scratches left by the coarser grit. Finally, use finer

 

 

 

 

 

 

 

grit for finishing the surface. Always continue sanding with

 

Before connecting the sander to a power supply,

 

 

 

each grit until the surface is uniform.

 

make sure it is not in the locked-on position. Failure

 

 

 

SETTING THE BELT SANDER SPEED

 

to do so could result in accidental starting of the

 

 

tool resulting in serious injury.

 

 

 

 

 

Refer to the chart below for belt sander speed selections.

 

 

 

 

 

 

 

 

 

 

 

 

 

BELT GRIT

 

MATERIAL

 

 

SPEED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

C

D

 

E

 

F

40

60

 

80

100

150

240

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNDRESSED LUMBER

 

 

 

 

 

«

«

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOFTWOOD

 

«

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHIPBOARD

 

 

 

«

«

 

 

 

 

 

 

 

 

 

LUMBER

«

«

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RUST REMOVAL

 

 

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«

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PAINTED SURFACE

 

 

 

 

 

«

«

 

 

 

 

 

 

 

 

NON FERROUS METAL

 

 

«

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Contents OPERATOR’S Manual Double InsulatedTable of Contents IntroductionElectrical Safety General Safety RulesWork Area Safety Personal SafetySpecific Safety Rules ServiceSymbols Symbol Name DESIGNATION/EXPLANATIONService Symbol Signal MeaningDouble Insulation Cord Length Wire Size A.W.GElectrical Electrical ConnectionAdjustable Front Handle Drive Roller FeaturesProduct Specifications HEX KEY Storage Tracking Knob Dust Collection BAGAssembly Applications Setting the Belt Sander SpeedOperation Selecting Sanding BeltsVariable Speed Proper Hand PlacementSoft Start Feature Turning ON/OFF the SanderBelt Tension Release Lever To INSTALL/CHANGE Sanding BeltTo Adjust Front Handle Front Handle HEX BoltOperating the Sander LOCK-ON Button Switch TriggerLocking on the Sander To lock-on the sanderTo Adjust Sanding Belt Tracking Turn to Secure Dust BAG Groove To install/remove dust bagDust BAG To empty dust bagGeneral Maintenance MaintenanceBrush Replacement Brush Assembly Brush CAPTiming Belt Replacement See Figures 13Page What is Covered Under the 3 Year Limited Service Warranty WarrantyDAY Satisfaction Guarantee Policy HOW to Obtain Service What is not CoveredCustomer Service Information Model No R2720 Serial No