RIDGID R4840 Operator's Manual
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RIDGID R4840 Operator's Manual

Oscillating edge belt/spindle sander
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OPERATOR'S MANUAL
OSCILLATING EDGE BELT/SPINDLE SANDER
R4840
Your saw has been engineered and manufactured to our high standard for dependability, ease of operation, and operator
safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING:
To reduce the risk of injury, the user must read and understand the operator's manual before using this product.
SAVE THIS MANUAL FOR FUTURE REFERENCE

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Summary of Contents for RIDGID R4840

  • Page 1 OPERATOR’S MANUAL OSCILLATING EDGE BELT/SPINDLE SANDER R4840 Your saw has been engineered and manufactured to our high standard for dependability, ease of operation, and operator safety. When properly cared for, it will give you years of rugged, trouble-free performance. WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using this product.

  • Page 2: Table Of Contents

    TROUBLESHOOTING ............. 25 WARRANTY ..............27 FUNCTIONAL DESCRIPTION SPECIFICATIONS The RIDGID #R4840 OSCILLATING EDGE BELT/SPINDLE ® SANDER is designed for portability and high quality performance. Sanding Sleeves: 1/2, 3/4, 1, 1 1/2, 2 inch It includes: machine equipped with a 6-amp motor, sturdy tubular...

  • Page 3: Features

    FEATURES Table Insert Washers Spindle Knob Dust Collection Port 2.5mm Hex Wrench Tracking Knob Cord Wrap Belt Tension Lever Sanding Drum/Sleeves Table Insert/Sanding On/Off Switch Sanding Belt Belt Storage Work Table Front Table Lock Knob Parts Storage Storage for the sanding belt assembly and table insert is provided Spacer Ring Inserts Work Rest by the brack on the rear of the base.

  • Page 4: Important Safety Instructions

    If you have any questions or concerns regarding the use of your tool or the contents of this manual, please stop using the tool and contact Customer Service, at RIDGID Portable and Fixed Power Tool Technical Service at (toll free) 1-888-359-4778.

  • Page 5: Safety Symbols-Definitions

    SAFETY SYMBOLS-DEFINITIONS Before Using The Sander: Safety is a combination of common sense, staying alert and knowing how your oscillating edge belt/spindle sander works. Your risk from these exposures varies, depending on how often Read this manual to understand this sander. Safety Signal Words you do this type of work.

  • Page 6: General Safety Rules

    For your own safety, read the instruction manual before 14. Use recommended accessories. The use of accessories and operating the machine. Learning the machine’s application, attachments not recommended by RIDGID may cause damage ® limitations, and specific hazards will greatly minimize the to the machine or injury to the user.

  • Page 7: Sander Safety Rules

    SANDER SAFETY RULES WHEN INSTALLING OR MOVING THE SANDER Avoid dangerous environment. Use the sander in a dry, To reduce the risk of injury from unexpected sander movement: indoor place protected from rain. Keep work area well lit. To reduce the risk of burns or other fire damage, never use the •...

  • Page 8: When Sander Is Running

    SANDER SAFETY RULES KNOW YOUR SANDER When sanding irregularly shaped workpieces, plan your Read and understand the owner’s manual and labels affixed work support so it will not slip and be pulled from your to the tool. Learn its application and limitations as well as the hands.

  • Page 9: Proposition 65 Warning

    PROPOSITION 65 WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemi- cals known to the state of California to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: •...

  • Page 10: Motor Specifications And Electrical Requirements

    MOTOR SPECIFICATIONS AND ELECTRICAL REQUIREMENTS POWER SUPPLY AND MOTOR SPECIFICATIONS To reduce the risk of electrical hazards, fire The A-C motor used on this tool is a relay start motor, having hazards or damage to the tool, use proper circuit protection. the following specifications: Your tool is wired at the factory for operation using the voltage It is wired at the factory for operation on 110-120V AC, 60 Hz.

  • Page 11: Motor Safety Protection

    MOTOR SPECIFICATIONS AND ELECTRICAL REQUIREMENTS MOTOR SAFETY PROTECTION b. Line voltages should not be more than 10% above or below the nameplate voltage. For heavy loads, IMPORTANT: To reduce the risk of motor damage, the motor however, the voltage at motor terminals must equal should be blown out or vacuumed frequently to keep sawdust the voltage specified for your model.

  • Page 12: Unpacking And Checking Contents

    Check To reduce the risk of injury, if any parts are packaging for missing parts before contacting RIDGID missing, do not attempt to assemble the sander, plug in the power ®...

  • Page 13: Contents Of Hardware Bags

    UNPACKING AND CHECKING CONTENTS HP11 HP12 HP13 HP10 CONTENTS OF HARDWARE BAGS T25 Torx Wrench 1/2 - 3/4 inch Spacer Ring Insert 1 inch Washer HP10 Work Rest 1 inch Spacer Ring Insert 1 1/2 inch Washer HP11 Spindle Knob 1 1/2 inch Spacer Ring Insert 2 inch Washer HP12...

  • Page 14: Assembly

    ASSEMBLY INSTALLING THE SANDING BELT HP12 ASSEMBLY Slide Belt Assembly down Motor Shaft . Align Drive PC12 Drum Spline with the slots in the fan. Place Sanding Belt Assembly into the Wear Plate PC12 opening as shown. Tighten Spindle Knob .

  • Page 15: Installing Sanding Sleeves Larger Than 1/2 Inch Diameter

    ASSEMBLY INSTALLING 1/2 INCH DIAMETER SANDING SLEEVE To install the table insert, see Figures 3 and 4. To reduce the risk of injury from accidental starting, always turn switch “OFF”, unplug the sander and remove switch key before removing or replacing the spacer ring inserts, sleeves and drums.

  • Page 16: Installing 1/2 Inch Diameter Sanding Sleeve

    ASSEMBLY INSTALLING SANDING SLEEVES HP12 LARGER THAN 1/2 INCH To reduce the risk of injury from accidental starting, always turn switch “OFF” and remove switch key before removing the spacer ring inserts, sleeves and drums. See Figures 3 and 5. Install the table insert.

  • Page 17: Bolting Oscillating Edge Belt/Spindle Sander To Workbench

    ASSEMBLY BOLTING OSCILLATING EDGE BELT/SPINDLE SANDER TO WORKBENCH If sander is to be used in a permanent location, it should be fastened securely to a firm supporting surface such as a workbench, with either bolts or deck screws. See Figure 6. Fastening with bolts Use 1/4 inch bolts, washers, and nuts (not included).

  • Page 18: Making Adjustments

    MAKING ADJUSTMENTS SQUARING FRONT TABLE To reduce the risk of injury from accidental Combination square start, make sure tool is unplugged before aligning. See Figure 3 Combination Square must be True and 5. Use a combination square to check the angle of the front table with the sanding belt .

  • Page 19: Removing/Installing The Sanding Belt

    MAKING ADJUSTMENTS REMOVING/INSTALLING THE SANDING BELT Tensioning and Tracking To reduce the risk of injury from accidental start, make sure tool is unplugged before removing or installing sanding belt. Some sanding belts have a “directional arrow” on the inside or smooth side. If there is an arrow, the belt must run in the direction of the arrow so the splice will not come apart.

  • Page 20: Operation

    OPERATION ON-OFF SWITCH The On-Off switch has a locking feature. This Feature is intended to help prevent unauthorized and possible hazardous use by children and others. See Figures 13 and 14. To turn sander “ON” lift the red switch to enable power to the machine.

  • Page 21: Sandpaper Selection

    OPERATION SANDPAPER SELECTION NOTE: DO NOT use sander without sandpaper. Doing so will Selecting the correct diameter, correct grit, and correct type of damage the rubber drum. Select and install the desired sanding sandpaper is an extremely important step in achieving a high sleeve for your particular application.

  • Page 22: End Sanding On The Sanding Belt

    OPERATION END SANDING ON THE SANDING BELT Move the work evenly across the sanding belt. For accuracy, use a miter gauge accessory (not included). See Figure 19. FIGURE 19 SANDING CURVED EDGES Inside curves are best sanded with the sander assembled in the spindle mode.

  • Page 23: Dust Collection Capability

    OPERATION DUST COLLECTION CAPABILITY A standard 2.5 inch dust exhaust port has been provided to make dustless sanding possible. It is on the rear of your sander as shown. The pickup adapter end of a vacuum hose fits inside the dust exhaust port with a wedge fit.

  • Page 24: Maintenance

    ® ® Service Centers. Please visit our Web Site www.RIDGID.com for an online catalog or for the name or your nearest supplier. Since accessories other than those offered by RIDGID have not been tested with this product, use of such ®...

  • Page 25: Troubleshooting

    TROUBLESHOOTING For your own safety, turn switch “OFF”, and remove plug from power source outlet before troubleshooting your sander. If any parts are missing, damaged or pre-assembled, do not assemble. Instead, call RIDGID Customer Service at ® (toll free) 1-888-359-4778 .
  • Page 26 TROUBLESHOOTING TROUBLE PROBABLE CAUSE REMEDY 1. Motor overloaded. 1. Feed work slower. Frequent opening of fuse or circuits breaker 2. Incorrect fuses or circuit breaker in 2. Install correct fuse or circuit breakers. power line. 3. Have relay replaced. Consult Authorized 3.

  • Page 27: Warranty

    This warranty on RIDGID Stationary Power Tools covers all ® to five years from the date of purchase. RIDGID , Inc. is not ® defects in workmanship or materials in this Ridgid tool for five ®...
  • Page 28 OPERATOR’S MANUAL OSCILLATING EDGE BELT/SPINDLE SANDER R4840 Customer Service Information: For parts or service, do not return this product to the store. Contact your nearest RIDGID authorized service center. Be sure to provide all relevant information when ® you call or visit. For the location of the authorized service center nearest you, please call 1-888-359-4778 or email us at RidgidWoodworking@ridgidproducts.com.

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