50-151 - Sander RIKON - Free user manual and instructions

Product Type	Random Orbital Sander
Brand	RIKON
Model	50-151
Power Supply	120V AC, 60Hz
Amperage	2.5 A
Speed (No Load)	6,000 - 12,000 OPM (Variable)
Pad Size	5 inches (125 mm)
Orbit Diameter	3/32 inches (2.5 mm)
Dust Collection	Built-in vacuum adapter with dust bag
Weight	3.2 lbs (1.45 kg)
Dimensions (L x W x H)	11.8 x 4.5 x 5.5 inches (300 x 114 x 140 mm)
Cord Length	8 ft (2.4 m)
Switch Type	Paddle switch with lock-on
Housing Material	Reinforced composite with rubber grip
Maintenance	Periodically clean dust ports and replace pad if worn
Safety Features	Double insulation, lock-on switch, dust extraction
Spare Parts Available	Sandpaper discs, backing pad, dust bag, carbon brushes
Repairability	User-replaceable brushes and pad; service center for motor
Included Accessories	6 sanding discs (assorted grits), dust bag, wrench
Certifications	ETL, CSA (typical)

Frequently Asked Questions - 50-151 RIKON

What type of sandpaper discs does the RIKON 50-151 use?

The RIKON 50-151 uses 5-inch (125 mm) hook-and-loop sandpaper discs with a 3/32-inch orbit. Discs with various grits from 40 to 400 are recommended for different applications.

How do I change the sanding pad on the 50-151?

Unplug the sander. Use the included wrench to remove the center screw holding the pad. Pull off the old pad and attach the new one, then tighten the screw securely.

Why is my sander not as powerful as before?

Check the carbon brushes—they may be worn out. Replace them if they are shorter than 1/4 inch. Also, ensure the dust bag is not clogged and the speed setting is appropriate.

Can I use the sander without the dust bag?

Yes, you can attach a vacuum hose directly to the dust port for better dust collection. Using the sander without any dust collection is possible but will create airborne dust.

What is the correct way to hold the sander?

Grip the rubberized handle firmly with one hand and support the front with the other. Apply light pressure—let the tool do the work. Move in overlapping circular or back-and-forth motions.

How do I adjust the speed on the RIKON 50-151?

The speed is controlled by a variable-speed dial located on the back of the sander. Turn it to any position between the low and high marks (6,000-12,000 OPM).
Higher speeds for aggressive sanding, lower for finishing.

Is the RIKON 50-151 suitable for wet sanding?

No, this sander is designed for dry sanding only. Using water or other liquids can damage the tool and create an electric shock hazard.

What should I do if the sander vibrates excessively?

Excessive vibration may indicate a damaged pad or loose screw. Inspect the pad and replace if necessary. Also, check that the sanding disc is centered and secure.

How often should I replace the carbon brushes?

Inspect the brushes every 50-60 hours of use or if you notice sparking or loss of power. Replace them in pairs when they are worn to about 1/4 inch (6 mm) in length.

Can I use the 50-151 for polishing wax on cars?

Yes, with a soft foam pad and polishing compound, the RIKON 50-151 can be used for light polishing. Use the lowest speed setting and avoid prolonged contact to prevent heat buildup.

USER MANUAL 50-151 RIKON

1" X 30" Belt / 5" Disc Sander

Blue and white industrial machine with a grinding wheel and circular base (no visible text or symbols)

C 226002 US

Operator's Manual

Record the serial number and date of purchase in your manual for future reference.

Serial Number: ____ Date of purchase: ____

For technical support or parts questions, email [e-mail] or call toll free at [phone]

TABLE OF CONTENTS

Specifications 2

Safety Instructions....3 - 6

Electrical Requirements 5, 6, 16

Sander Safety Rules 7

Contents of Package 8

Getting to Know Your Sander 9

Assembly 9 - 11

General Use....11 - 14

Maintenance 14

Trouble Shooting....15-16

Wiring Diagram....16

Parts Explosion....17

Parts List 18

Warranty 19

SPECIFICATIONS

Motor 1/3HP, 120V, 2.3A, 60Hz

Motor Speed 3,450 RPM

Belt Size 1" x 30"

Belt Speed 3,270 SFPM

Belt Table Size 5-3/4" Diameter

Belt Table Tilt 0-45°

Disc Size 5" PSA

Disc Speed 3,450 RPM

Disc Table 7-1/4" x 3-3/4"

Disc Table Tilt 0-45°

Miter Gauge .... Included

Miter Gauge Slot 1/4" x 7/16"

Machine Height 14-5/8"

Machine Width 15"

Machine Depth 12-5/8"

Base Size 8-1/4" x 6"

Net Weight 15.5 lbs.

Shipping Weight 19.5 lbs.

Shipping Carton 17-1/2" x 12-1/4" x 11-1/2"

This owner's manual is not a teaching aid and is intended to show assembly, adjustments, and general use.

NOTE: The specifications, photographs, drawings and information in this manual represent the current model when the manual was prepared. Changes and improvements may be made at any time, with no obligation on the part of Rikon Power Tools, Inc. to modify previously delivered units. Reasonable care has been taken to ensure that the information in this manual is correct, to provide you with the guidelines for the proper safety, assembly and operation of this machine.

SAFETY SYMBOLS

The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols and the explanations with them deserve your careful attention and understanding. The symbol warnings do not, by themselves, eliminate the danger. The instructions and warnings they give are no substitutes for proper accident prevention measures.

Symbol	Name	Designation / Explanation
V	Volts	Voltage
A	Amperes	Current
Hz	Hertz	Frequency (cycles per second)
W	Watts	Power
	Alternating current	Type of current
	Direct current	Type of characteristic of current
n_o	No-load speed	Rotational speed at no load
	Class II construction	Double insulated construction
.../min	Per minute	Revolutions, strokes, surface speed orbits, etc., per minute
	Wear safety goggles	WARNING:The operation of any power tool can result in foreign objects being thrown into your eyes, which can result in severe eye damage. Before beginning power tool operation, always wear safety goggles or safety glasses with side shields and a full-face shield when needed. We recommend a Wide Vision Safety Mask for use over eye- glasses or standard safety glasses with side shields. Always use eye protection which is marked to comply with ANSI Z87.1.

WARNING: To ensure safety and reliability, all repairs should be performed by a qualified service technician.

WARNING: Be sure to read and understand all safety instructions in this manual, including all safety alert symbols such as "DANGER," "WARNING," and "CAUTION" before using this tool. Failure to following all instructions listed below may result in electric shock, fire, and/or serious personal injury.

SYMBOL MEANING

SAFETY ALERT SYMBOL: Indicates DANGER, WARNING, OR CAUTION. May be used in conjunction with other symbols or pictographs.

DANGER: Indicates an imminently hazardous situation, which, if not avoided, will result in death or serious injury.

WARNING: Indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury.

CAUTION: Indicates a potentially hazardous situation, which, if not avoided, could result in minor or moderate injury.

NOTICE: (Without Safety Alert Symbol) Indicates a situation that may result in property damage.

THIS SYMBOL DESIGNATES THAT THIS TOOL IS LISTED BY THE CSA GROUP TESTING SERVICES, TO UNITED STATES AND CANADIAN STANDARDS

SAFETY INSTRUCTIONS

IMPORTANT! Safety is the single most important consideration in the operation of this equipment. The following instructions must be followed at all times.

There are certain applications for which this tool was designed. We strongly recommend that this tool not be modified and/or used for any other application other than that for which it was designed. If you have any questions about its application, do not use the tool until you have contacted us and we have advised you.

GENERAL SAFETY

KNOW YOUR POWER TOOL. Read the owner's manual carefully. Learn the tool's applications, work capabilities, and its specific potential hazards.

BEFORE USING YOUR MACHINE

To avoid serious injury and damage to the tool, read and follow all of the Safety and Operating Instructions before operating the machine.

1. CALIFORNIA PROPOSITION 65

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

• Lead from lead-based paints.
• Crystalline silica from bricks, cement, and other masonry products.
• Arsenic and chromium from chemically treated lumber.

Your risk from these exposures varies, depending on how often you do this type of work. To reduce your exposure to these chemicals: work in a well ventilated area and work with approved safety equipment, such as those dust masks that are specially designed to filter out microscopic particles.

1. READ the entire Owner's Manual. LEARN how to use the tool for its intended applications.

2. GROUND ALL TOOLS. If the tool is supplied with a 3-prong plug, it must be plugged into a 3-contact electrical receptacle. The 3rd prong is used to ground the tool and provide protection against accidental electric shock. DO NOT remove the 3rd prong. See Grounding Instructions on the following pages.

3. AVOID A DANGEROUS WORKING ENVIRONMENT. DO NOT use electrical tools in a damp environment or expose them to rain.

4. DO NOT use electrical tools in the presence of flammable liquids or gasses.

5. ALWAYS keep the work area clean, well lit, and organized. DO NOT work in an environment with floor surfaces that are slippery from debris, grease, and wax.

6. KEEP VISITORS AND CHILDREN AWAY. DO NOT permit people to be in the immediate work area, especially when the electrical tool is operating.
7. DO NOT FORCE THE TOOL to perform an operation for which it was not designed. It will do a safer and higher quality job by only performing operations for which the tool was intended.
8. WEAR PROPER CLOTHING. DO NOT wear loose clothing, gloves, neckties, or jewelry. These items can get caught in the machine during operations and pull the operator into the moving parts. The user must wear a protective cover on their hair, if the hair is long, to prevent it from contacting any moving parts.
9. CHILDPROOF THE WORKSHOP AREA by removing switch keys, unplugging tools from the electrical receptacles, and using padlocks.
10. ALWAYS UNPLUG THE TOOL FROM THE ELECTRICAL RECEPTACLE when making adjustments, changing parts or performing any maintenance.
11. KEEP PROTECTIVE GUARDS IN PLACE AND IN WORKING ORDER.
12. AVOID ACCIDENTAL STARTING. Make sure that the power switch is in the "OFF" position before plugging in the power cord to the electrical receptacle.
13. REMOVE ALL MAINTENANCE TOOLS from the immediate area prior to turning "ON" the machine.
14. USE ONLY RECOMMENDED ACCESSORIES. Use of incorrect or improper accessories could cause serious injury to the operator and cause damage to the tool. If in doubt, check the instruction manual that comes with that particular accessory.

SAFETY INSTRUCTIONS

1. NEVER LEAVE A RUNNING TOOL UNATTENDED. Turn the power switch to the "OFF" position. DO NOT leave the tool until it has come to a complete stop.

2. DO NOT STAND ON A TOOL. Serious injury could result if the tool tips over, or you accidentally contact the tool.

3. DO NOT store anything above or near the tool where anyone might try to stand on the tool to reach it.

4. MAINTAIN YOUR BALANCE. DO NOT extend yourself over the tool. Wear oil resistant rubber soled shoes. Keep floor clear of debris, grease, and wax.

5. MAINTAIN TOOLS WITH CARE. Always keep tools clean and in good working order. Keep all blades and tool bits sharp, dress grinding wheels and change other abrasive accessories when worn.

6. EACH AND EVERY TIME, CHECK FOR DAMAGED PARTS PRIOR TO USING THE TOOL. Carefully check all guards to see that they operate properly, are not damaged, and perform their intended functions. Check for alignment, binding or breaking of moving parts. A guard or other part that is damaged should be immediately repaired or replaced.

7. DO NOT OPERATE TOOL WHILE TIRED, OR UNDER THE INFLUENCE OF DRUGS, MEDICATION OR ALCOHOL.

8. SECURE ALL WORK. Use clamps or jigs to secure the workpiece. This is safer than attempting to hold the workpiece with your hands.

9. STAY ALERT, WATCH WHAT YOU ARE DOING, AND USE COMMON SENSE WHEN OPERATING A POWER TOOL.

A moment of inattention while operating power tools may result in serious personal injury.

1. ALWAYS WEAR A DUST MASK TO PREVENT INHALING DANGEROUS DUST OR AIRBORNE PARTICLES, including wood dust, crystalline silica dust and asbestos dust. Direct particles away from face and body. Always operate tool in well ventilated area and provide for proper dust removal. Use dust collection system wherever possible. Exposure to the dust may cause serious and permanent respiratory or other injury, including silicosis (a serious lung disease), cancer, and death. Avoid breathing the dust, and avoid prolonged contact with dust. Allowing dust to get into your mouth or eyes, or lay on your skin may promote absorption of harmful material. Always use properly fitting NIOSH/OSHA approved respiratory protection appropriate for the dust exposure, and wash exposed areas with soap and water.

2. USE A PROPER EXTENSION CORD IN GOOD CONDITION. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. The table on the following page shows the correct size to use depending on cord length and nameplate amperage rating. If in doubt, use the next heavier gauge. The smaller the gauge number, the larger diameter of the extension cord. If in doubt of the proper size of an extension cord, use a shorter and thicker cord. An undersized cord will cause a drop in line voltage resulting in a loss of power and overheating.

USE ONLY A 3-WIRE EXTENSION CORD THAT HAS A 3-PRONG GROUNDING PLUG AND A 3-POLE RECEPTACLE THAT ACCEPTS THE TOOL'S PLUG.

1. ADDITIONAL INFORMATION regarding the safe and proper operation of this product is available from:

• Power Tool Institute 1300 Summer Avenue Cleveland, OH 44115-2851 www.powertoolinstitute.org

• National Safety Council 1121 Spring Lake Drive Itasca, IL 60143-3201 www.nsc.org

• American National Standards Institute 25 West 43rd Street, 4th Floor New York, NY 10036 www.ansi.org

• ANSI 01.1 Safety Requirements for Woodworking Machines and the U.S. Department of Labor regulations www.osha.gov

1. SAVE THESE INSTRUCTIONS. Refer to them frequently and use them to instruct others.

ELECTRICAL SAFETY

WARNING:

THIS TOOL MUST BE GROUNDED WHILE IN USE TO PROTECT THE OPERATOR FROM ELECTRIC SHOCK.

IN THE EVENT OF A MALFUNCTION OR BREAKDOWN, grounding provides the path of least resistance for electric current and reduces the risk of electric shock. This tool is equipped with an electric cord that has an equipment grounding conductor and a grounding plug. The plug MUST be plugged into a matching electrical receptacle that is properly installed and grounded in accordance with ALL local codes and ordinances.

SAFETY INSTRUCTIONS

ELECTRICAL SAFETY (Continued)

DO NOT MODIFY THE PLUG PROVIDED.

If it will not fit the electrical receptacle, have the proper electrical receptacle installed by a qualified electrician.

IMPROPER ELECTRICAL CONNECTION of the equipment grounding conductor can result in risk of electric shock. The conductor with the green insulation (with or without yellow stripes) is the equipment grounding conductor. DO NOT connect the equipment grounding conductor to a live terminal if repair or replacement of the electric cord or plug is necessary.

CHECK with a qualified electrician or service personnel if you do not completely understand the grounding instructions, or if you are not sure the tool is properly grounded.

USE ONLY A 3-WIRE EXTENSION CORD THAT HAS A 3-PRONG GROUNDING PLUG AND A 3-POLE RECEPTACLE THAT ACCEPTS THE TOOL'S PLUG. REPLACE A DAMAGED OR WORN CORD IMMEDIATELY.

This tool is intended for use on a circuit that has an electrical receptacle as shown in FIGURE 1. FIGURE 1 shows a 3-wire electrical plug and electrical receptacle that has a grounding conductor. If a properly grounded electrical receptacle is not available, an adapter as shown in FIGURE 2 can be used to temporarily connect this plug to a 2-contact ungrounded receptacle. The adapter has a rigid lug extending from it that MUST be connected to a permanent earth ground, such as a properly grounded receptacle box. THIS ADAPTER IS PROHIBITED IN CANADA.

Figure 1

EXTENSION CORDS

WARNING: Keep the extension cord clear of the working area. Position the cord so that it will not get caught on lumber, tools or other obstructions while you are working with a power tool.

WARNING: Check extension cords before each use. If damaged replace immediately. Never use a tool with a damaged cord, since touching the damaged area could cause electrical shock, resulting in serious injury.

Use a proper extension cord. Only use cords listed by Underwriters Laboratories (UL). Other extension cords can cause a drop in line voltage, resulting in a loss of power and overheating of tool. When operating a power tool outdoors, use an outdoor extension cord marked "W-A" or "W". These cords are rated for outdoor use and reduce the risk of electric shock.

MINIMUM RECOMMENDED GAUGE FOR EXTENSION CORDS (AWG)
120 VOLT OPERATION ONLY
	25' LONG	50' LONG	100' LONG	150' LONG
0 to 6 Amps	18 AWG	16 AWG	16 AWG	14 AWG
6 to 10 Amps	18 AWG	16 AWG	14 AWG	12 AWG
10 to 12 Amps	16 AWG	16 AWG	14 AWG	12 AWG

Figure 2

SPECIFIC SAFETY INSTRUCTIONS FOR BELT & DISC SANDERS

1. Do not operate this machine until you have read all of the following instructions.
2. Do not attempt to operate this machine until it is completely assembled.
3. Do not turn ON this machine if any pieces are damaged or missing.
4. This machine must be properly grounded.
5. If you are not familiar with the operation of the machine, obtain assistance from a qualified person.
6. It is highly recommended that this machine be firmly mounted to a flat and secure work surface or stand.
7. Always wear protective eyewear prior to operating this machine.
8. Always wear a dust mask and use adequate dust collection and proper ventilation. Use of sanders can produce harmful particles while sanding certain types of woods.
9. Do not wear loose clothing or jewelry when operating this machine. Keep long hair tied back.
10. Always make sure the power switch is in the OFF position prior to plugging in the machine.
11. Always make sure the power switch is in the OFF position when doing any assembly or setup operation.
12. Make sure all safety guards and hardware are securely tightened before operating the machine.
13. The use of any accessories or attachments not recommended may cause injury to you and damage your machine.
14. Abrasive discs and belts should be the recommended width and length of the manufacturer.
15. Replace worn, frayed or torn abrasives, as injury to the user, or the machine, may result.
16. Always keep your face and hands clear of moving parts such as belts, discs and pulleys.
17. Keep power supply cords free of moving parts of the sander. Damaged cords can result in electric shock.
18. Maintain a minimal gap clearance (1/8" or less) between the sanding disc or the sanding belt and their tables.
19. Always support the workpiece with the table or backstop during sanding.
20. Carefully feed work into the rotating sanding belt, or disc, on the downward direction, so that the abrasive action pushes the work down onto the tables where it can be controlled.
21. Do not force the work into the abrasives, as burning of the wood or stalling of the machine may result.

SAVE THESE INSTRUCTIONS.

Refer to them often.

CONTENTS OF PACKAGE

Carefully unpack your sander from its carton, and check to make sure the following parts are included. If any parts are missing or broken, please call RIKON Customer Service (877-884-5167) as soon as possible for replacements. DO NOT turn your machine ON if any of these items are missing. You may cause injury to yourself or damage to the machine.

Carton Contents:

Item Description

A Belt & Disc Sander Assembly 1
B Miter Gauge 1
C Sanding Disc Cover 1
D Dust Nozzie Adapter 1 (1-1/2" O.D., 1-1/4" I.D.)
E Sanding Disc Work Table 1
F Locking Knob for Disc Table 2
G Sanding Belt Work Table 1
H Locking Knob for Belt Table 1
I Owner's Manual 1

List of loose parts in bag:

Description Qty

Washer 4mm 3

GETTING TO KNOW YOUR SANDER

Item

Description

A. Sanding Belt 1" x 30"
B. Sanding Belt Tracking Knob
C. Sanding Belt Table
D. Sanding Belt Table Lock Handle
E. Sanding Belt Safety Cover
F. ON/OFF Switch
G. Disc Table Lock Handle
H. Disc Table Angle Scale

Item

Description

I. Sanding Disc 5" (PSA)
J. Disc Table
K. Miter Gauge
L. Motor
M. Sanding Belt Safety Cover
N. Sanding Belt Dust Port
O. Sanding Disc Dust Port
P. Rubber Machine Feet

ASSEMBLY

THE SANDER MUST NOT BE PLUGGED IN AND THE POWER SWITCH MUST BE IN THE OFF POSITION UNTIL ASSEMBLY IS COMPLETE.

Tools Required for Assembly:

2 Phillips Screwdriver

Close-up of a blue screwdriver with a metallic tip (no text or symbols visible)

Unpacking and Clean-up

1. Carefully remove all contents from the shipping carton. Compare the contents with the list of contents on the previous page. Place parts on a protected surface for easy identification and assembly.
2. Report any shipping damage to your local distributor. Take photographs of damage for future claims.
3. Clean all rust protected surfaces. Do not use; gasoline, paint thinner, mineral spirits, etc. These may damage painted surfaces.
4. Set packing material and shipping carton to the side. Do not discard until the machine has been set up and is running properly.

ASSEMBLY

ASSEMBLY AND INSTALLATION

WARNING: Always ensure the sander is unplugged prior to attempting any assembly, installation or changing of parts and accessories.

MOUNTING THE SANDER TO A WORKBENCH

CAUTION: If during operation there is any tendency for the sander to tip over, slide or walk on the supporting surface, the sander should be properly mounted to a workbench or stand.

1. Rubber feet are fastened to this sander prior to shipping. They may, or may not, be used when attaching the sander to a bench or stand.
2. Position the sander on the workbench.
3. Mark the workbench through the two mounting holes located in the left and right sides of the sander base (between the holes for rubber feet).
4. Drill holes in the workbench at the 2 marks.
5. Using long bolts, washers, lock-washers and nuts; or lag bolts; (fasteners not supplied), secure the sander to the workbench. FIG. A.

DUST CHUTE INSTALLATION – DISC SANDER

1. Fasten the sanding disc dust-chute and cover (Part #56) to the machine using the three Phillips M4 screws and washers (#21, 23). FIG. B.

ASSEMBLING THE BELT SANDER TABLE

WARNING: When assembling the belt & disc sander, ensure the machine is disconnected from any power source.

1. Locate the round shaped belt-sanding table (#41).
2. Position the table by threading the belt and plate through the table's slot and square opening.
3. Fasten the table to the frame by using the table-adjustment knob and 8mm washer (#43, 42). FIG. C.
4. Bring the adjustment knob's screw through the slot in the bracket opening on the underside of the table, then into the threaded hole in the frame that houses the hex nut (#17).
5. Fasten the table in place by using the adjustment handle to turn its integral screw into the nut.

FIG. A

Close-up of a dust chute machine with black and white casing (no visible text or symbols on the device itself)

FIG. B

FIG. C

ASSEMBLING THE SANDING DISC TABLE

WARNING: Always ensure the sander is disconnected from the power supply prior to commencing work.

1. Attach the disc-sanding table (#64) to the sanding disc guard (#71) by tipping the table up, and slide the two small nipples extending from the rectangular mouth of the table, onto the 2 'L' mounting slots in the sides of the disc sander guide's frame. FIG. D.
2. Align the two screw holes in the guard with the arched slots above the angle gauges, so that the knobs & 6mm washers (#66,65) will travel through the angle-gauge openings on either side of the disc into the mounting holes on the disc sander.
3. Using the disc-table adjustment handles, fasten the table to the sander.
4. When required for sanding small parts or for sanding to specific angles, use the miter gauge which slides in the slot on the disc-sanding table.

BELT TABLE ADJUSTMENTS

WARNING: Always ensure the sander is disconnected from the power supply prior to commencing work.

For most sanding operations, the table will likely remain at a 90^ angle to the belt. A positive stop is provided with your sander to ensure fast positioning of the table at 90 degrees to the belt. To ensure and check the positive-stop 90^ angle, proceed as follows:

1. Loosen the table-locking lever / knob (#43).
2. Tilt the table back to the rear as far as possible.
3. Using a square, protractor or other 90^ tool, measure the angle of the table against the platen (#22).
   FIG. E. To adjust the table angle to ensure a 90^ angle, turn the table's rear adjustment screw (#40) as needed, and once the 90^ is setting is found, lock it in place with the hex nut (#18), that is under the table.
4. To set the table to a different angle, tilt the table forward until it is at the required angle. FIG. F.
5. Tighten the table-locking lever to lock the table in position for sanding.

NOTE: To get the full range of table angling, the table-locking handle lever must be very loose, so that it slides along the slot in the table bracket. The table can then be moved back to get maximum angles.

Close-up of a mechanical grinding machine with a curved blade and handle (no visible text or symbols)

FIG. D

Close-up of a mechanical clamp or measuring tool with metal components and a circular base (no visible text or symbols)

FIG. E

Close-up of a precision metal cutting machine with a circular workpiece and lever (no visible text or symbols)

FIG. F

INSTALLING & CHANGING SANDING DISCS

WARNING: Turn the power off and remove the plug from the outlet before changing the accessories.

DISC TABLE ADJUSTMENTS

Ensure sander is disconnected from the power supply prior to commencing work.

1. To check the trueness of the 90^ angle of the disc-sanding table, place a square or other measuring device on the table with the other end against the sanding disc. FIG. G.
2. Loosen the 2 disc-table adjustment handles (#66), and adjust table angle to 90°.
3. Retighten the 2 disc-table adjustment handles.
4. To adjust the disc-table to another angle, loosen the 2 disc-table adjustment handles.
5. Set the table at the desired angle. FIG. H.
6. Retighten the 2 disc-table adjustment handles.

Note: Hook & Loop sanding discs cannot be used with this sander! Only 5" sanding discs with pressure sensitive adhesive (PSA) backing can be used.

DISC REMOVAL:

1. Remove and set aside miter gauge.
2. Completely remove the 2 disc-table adjustment handles and washers (#66, 65).
3. Tip the table up and remove it from the guard frame by slipping the table back out of the slots in the guard.
4. Sanding discs are adhered to the plate using a "pressure-sensitive adhesive" (PSA). Remove the sanding disc from disc plate. FIG. I.

DISC INSTALLATION:

1. Ensure that the disc-plate is clean.
2. Peel the protective backing from new sanding disc.
3. Center and press the new PSA sanding disc firmly onto the disc-plate.
4. Replace the sanding table and handles that were removed in step 2 (above).

Close-up of a mechanical device with a cylindrical component and clamping mechanism (no visible text or symbols)

FIG. G

Close-up of a mechanical tool with a metallic workpiece and black adjustment knob (no visible text or symbols)

FIG. H

Close-up of a hand adjusting a black circular mechanical component with a label, no visible text or symbols on the device itself.

FIG. I

INSTALLING & CHANGING SANDING BELTS

WARNING: Turn the power off and remove the plug from the outlet before changing the accessories.

SANDING BELT REMOVAL:

1. Remove the lock-knob (#25), clear plastic belt guard (#26), and three Phillips screws (#21) that secure the side cover (#27) to the sander's frame.
2. Remove the side cover.
3. Loosen the tracking knob (#49) to release the belt tension. FIG. J.
4. Remove the belt from the three wheels.

SANDING BELT INSTALLATION:

1. Install the new belt around the top wheel, the large drive wheel, and then the rear idler wheel.
   Note: the whole spring-loaded tracking knob assembly can be moved/pulled forward to assist in installing the belt over the last rear idler wheel.
2. Replace the side cover and re-install the 3 Phillips screws, clear top guard and lock-knob.
3. Before using, check the belt tracking as described in "Belt Tracking" section, and adjust as necessary.

BELT TRACKING

The belt-tracking adjustment is set at the factory so that the abrasive belt will run true on the pulleys. If, however, the belt should track to one side or the other, an adjustment can be made by turning the tracking knob (#49), which is located on the back side of the machine.

• Turning the knob clockwise will cause the belt to track to the right, towards the sander's frame.
• Turning the knob counter-clockwise will cause the belt to track to the left, towards the side guard.

DUST CHUTES / PORTS

Sanding operations are inherently dusty. To help minimize the amount of dust that escapes into the surrounding air, this sander is equipped with two 1-1/2" (38 mm) I.D. dust chutes (aka: ports) that can be easily connected to a dust-collection system. FIG. K. There is one dust chute for the belt-sanding system and another for the disc-sanding system. Attach your dust collector to the proper dust chute according to which sanding mode (belt or disc) is being used.

Note: A 1-1/4" (32mm) I.D. nozzle adapter is included with the sander for dust collection with smaller hoses.

FIG. J

FIG. K

CALIFORNIA PROPOSITION 65 WARNING

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

For more detailed information about California Proposition 65, log onto www.rikontools.com.

It is strongly recommended that users employ a dust-collection system when using this belt & disc sander. Use of a mask or respirator is still recommended, even when a dust-collection system is in use.

GENERAL USAGE

GENERAL USE AND OPERATING INSTRUCTIONS

ON/OFF SWITCH

The rocker ON/OFF power switch is located on the front of the sander.

1. Press the side marked ON to turn the sander on.
2. Press the side marked OFF to turn the sander off.

BELT SANDER PLATEN

The platen (# 22) is a heavy steel support plate that is positioned behind the sanding belt, rising from the table level to a point several inches above the table surface. Its purpose is to support the belt when sanding. The platen should be adjusted so that it is almost touching the back of the sanding belt. This can be done by loosening the two hex screws (#24) that fasten the bottom of the platen to the sander frame. If the platen is out of alignment for some reason, loosen these two screws, adjust the platen, and retighten the two screws. FIG. L.

To remove the platen for operations such as curved surface sanding, stropping, polishing or other special operations, remove the two screws that fasten the bottom of the platen to the frame, and remove the platen.

MITER GAUGE

A miter gauge is supplied with your sander, and can be used on the disc table, which has a slot in its design to fit the miter gauge's bar. The miter gauge head can be set anywhere up to 45^ (right or left) by loosening the lock-knob, setting the miter gauge head to the desired angle and retightening the lock-knob. FIG. M.

Close-up of a black industrial machine with a label showing 'BROON' on its side (no other text or symbols visible)

FIG. L

Close-up of a mechanical grinding machine with a circular workpiece and central knob (no visible text or symbols)

FIG. M

MAINTENANCE

WARNING: Turn the power switch "OFF" and disconnect the plug from the outlet prior to adjusting or maintaining the sander. DO NOT attempt to repair or maintain the electrical components of the motor. Take the sander to a qualified service technician for this type of maintenance.

MAINTENANCE

REQUIRED

FREQUENCY

1. Check the power cord for any damage. Before each use.
2. Check sanding belts and discs for damage. Before each use.
3. Check all guards and hardware to make sure they are secure. Before each use.
4. Check all moving parts for alignment and binding issues. Before each use.
5. Dress/Clean sanding surfaces for best abrasive action. As needed
6. Replace sanding belts or discs when worn or damaged. As needed.
7. Clean and vacuum dust from the motor housing and other sander parts. As needed.

Service beyond recommended maintenance on these tools should only be performed by an authorized, qualified technician.

TROUBLESHOOTING

Service on these tools should only be performed by an authorized, qualified technician.

SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Motor will not start. 1. Low voltage2. Open circuit in motor or loose connections.3. Blown fuse or breaker.		1. Check power source for proper voltage.2. Inspect all lead connections on motor for loose or open connections. (Send for Servicing.)3. Short circuit. (Send for Servicing.)4. Improper match between tool and circuit, fuse or breaker.
Motor will not start – fuses or circuit breakers tripping or blowing.Motor overheats. 4. Motor is	1. Short circuit in line, cord or plug.2. Short circuit in motor or loose connections.3. Incorrect fuses or circuit breakers in power line.overloaded.5. Extension cord is too long and of insufficient gauge (weight).6. Poor air circulation around the motor	1. Inspect cord or plug for damaged insulation and shorted wires.2. Inspect all connections on motor for loose or shorted terminals and/or worn insulation.3. Install correct fuses or circuit breakers or switch tool to an appropriately sized circuit.4. Reduce load on motor (pressure on the sandpaper from the object being sanded.)5. Utilize an extension cord of appropriate gauge and length or plug tool directly into outlet.6. Reduce the motor run time.
Motor stalls or runs slow - resulting in blown fuses or tripped circuit.	1. Motor is overloaded.2. Short circuit in the motor or loose connections.3. Low line voltage.4. Incorrect fuses or circuit breakers in the power line.5. Motor capacitor has failed.6. Belt tension is too tight.	1. Reduce the load on the motor.2. Inspect connections on motor for loose or shorted terminals or worn insulation.3. Correct low voltage conditions (for example: improper extension cord length and/or wire gauge).4. Install CORRECFuses or circuit breakers or plug tool into an appropriate circuit, matched to an appropriate fuse or breaker.5. Replace motor capacitor.6. Decrease belt tension.
Machine slows down when operating.	1. Feed rate is too great.2. Undersized circuit or use of undersized extension cord.	1. Reduce the rate at which the work is fed into the sandpaper.2. Ensure circuit wires or extension cords are proper gauge, or eliminate use of extension cords.
Machine vibrates excessively or makes excess noise.	1. Incorrect motor mounting.2. Incorrect sanding-belt tension.3. Weak or broken belt tension spring.4. Idler roller is too loose.5. Broken/defective sanding belt or disc.6. Drive belt is too tight	1. Make sure all fasteners are tightened.2. Adjust tension-adjustment knob. Follow belt tensioning/tracking instructions in this manual.3. Replace belt tension spring by service technician.4. Have service technician adjust idler roller.5. Replace sanding belt/disc.6. Decrease belt tension.
Burn marks on workpiece. 1.	Using a sanding grit that is too fine.2. Using too much pressure.3. Work held still for too long against the sandpaper.	1. Use a coarser-grit sandpaper.2. Reduce work piece pressure on the sandpaper while sanding.3. Do not keep the work piece sand-ing in one place for too long.
Deep sanding grooves or scars in work piece.	1. Sanding belt/disc grit is too coarse for the desired finish.2. Work piece is being sanded across the grain.3. Too much sanding force on the work piece.4. Work piece held still against the belt-disc for too long.	1. Use a finer-grit sanding belt or disc.2. Sand with the grain of the wood.3. Reduce pressure on workpiece while sanding.4. Keep work piece moving while sanding.
Sanding surface clogs quickly.	1. Too much pressure against the belt or disc.2. Sanding softwood or highly resinous woods.	1. Reduce pressure on work piece while sanding.2. Use different stock, sandpa-per grits, or accept that this will happen and plan on cleaning or replacing belts & discs frequently.
Sanding grains easily rub off the belt or disc.	1. Sandpaper has been stored in an incorrect environment.2. Sandpaper has been damaged or folded.	1. Ensure sandpaper is stored away from extremely hot & dry or damp/humid conditions.2. Store sanding accessories flat – not bent or folded.
Workpiece lifts up from the sanding disc-table.	1. Sanding on the “up”, right side of the disc, where rotation is up and away from the table.	1. Sand on left side of sanding disc, where the disc rotates down towards the table.

WIRING DIAGRAM

WARNING: This machine must be grounded. Replacement of the power supply cable should only be done by a qualified electrician. Read the Electrical Safety Information on pages 5 and 6 for further information.

PARTS EXPLOSION

PARTS LIST

KEY NO.	DESCRIPTION	QTY.	MFG. PART NO.	KEY NO.	DESCRIPTION	QTY.	MFG. PART NO.
1	Phillips Head Screw with Flat Washer M6 x 18mm	2	P50-151-1	38	Hexagon Head Bolt M10 x 25mm	1	P50-151-38
2	Rubber Foot	4	P50-151-2	39	Sanding Belt Frame	1	P50-151-39
3	Phillips Head Screw with Flat Washer M4 x 12mm	5	P50-151-3	40	Hex Socket Screw M6 x 20mm	1	P50-151-40
4	Base Cover Plate	1	P50-151-4	41	Sanding BeltTable	1	P50-151-41
5	Base	1	P50-151-5	42	Large Fiat Washer D8	1	P50-151-42
6	Switch Plate	1	P50-151-6	43	Locking Knob Assembly	1	P50-151-43
7	Phillips Head Screw M5 x 10mm	2	P50-151-7	44	Adjusting Shaft Guard	1	P50-151-44
8	Motor End Cover	1	P50-151-8	45	Adjusting Spring	1	P50-151-45
9	Wave Washer D35	1	P50-151-9	46	Locking Hex Nut M10	1	P50-151-46
10	Capacitor	1	P50-151-10	47	Sanding Belt Adjusting Bracket	1	P50-151-47
11	On / Off Switch	1	P50-151-11	48	Adjusting Spring	1	P50-151-48
12	Phillips Screw w/ Flat & Spring Washer M4 x 8mm	2	P50-151-12	49	Adjusting Knob	1	P50-151-49
13	Motor Housing	1	P50-151-13	50	Phillips Head Screw ST4.2 x 10mm	4	P50-151-50
14	Power Cord Strain Relief 6P4	1	P50-151-14	51	Spring Column Pin 3 x 20mm	1	P50-151-51
15	Power Cord	1	P50-151-15	52	Adjusting Shaft	1	P50-151-52
16	Capacitor Support Bracket	1	P50-151-16	53	Adjusting Spring	1	P50-151-53
17	Hex Nut M8	2	P50-151-17	54	Large Fiat Washer D5	2	P50-151-54
18	Hex Nut M6	1	P50-151-18	55	C-Clip 3.5	1	P50-151-55
19	Belt Guard Lower Plate	1	P50-151-19	56	Sanding Disc Cover with Dust Port	1	P50-151-56
20	Shaft & Rotor Assembly	1	P50-151-20	57	Miter Gauge Angle Indication Arrow	1	P50-151-57
21	Phillips head Screw M4 x 10mm	7	P50-151-21	58	Star Washer D4	2	P50-151-58
22	Sanding Belt Platen	1	P50-151-22	59	Phillips Head Screw M4 x 6mm	1	P50-151-59
23	Flat Washer D4	8	P50-151-23	60	Miter Gauge Locking Knob	1	P50-151-60
24	Hexagon Socket Head Cap Screw M4 x 10	2	P50-151-24	61	Hex Flange Nut M4	4	P50-151-61
25	Belt Guard Locking Knob	1	P50-151-25	62	Miter Gauge	1	P50-151-62
26	Sanding Belt Clear Plastic Belt Guard	1	P50-151-26	63	Miter Gauge Bar	1	P50-151-63
27	Sanding Belt Cover with Dust Exhaust Port	1	P50-151-27	64	Sanding Disc Table	1	P50-151-64
28	Sanding Belt 1" x 30"	1	P50-151-28	65	Flat Washer D6	2	P50-151-65
29	Idler Wheel	2	P50-151-29	66	Table Locking Knob	2	P50-151-66
30	Clip Spring Washer D15	2	P50-151-30	67	Sand Paper Disc 5" PSA	1	P50-151-67
31	Ball Bearing 6202	4	P50-151-31	68	Hex Head Socket Screw M6 x 16mm	1	P50-151-68
32	Idler Shaft	1	P50-151-32	69	Star Washer D6	1	P50-151-69
33	Hex Socket Screw M6 x 8mm	1	P50-151-33	70	Sanding Disc Plate	1	P50-151-70
34	Phillips Flat Head Screw M5 x 16mm LH Thread	1	P50-151-34	71	Sanding Disc Guard	1	P50-151-71
35	Special Locking Pad Washer	1	P50-151-35	72	Phillips Head Screw M4 x 155mm	2	P50-151-72
36	Drive Wheel	1	P50-151-36	73	Flat Washer D4	5	P50-151-73
37	Phillips Head Screw M6 x 10mm	3	P50-151-37	74	Large Flat Washer D4	2	P50-151-74
				75 *	Dust Nozzle Adapter (* Not Shown)	1	P50-151-75

NOTE: Please reference the Manufacturer's Part Number when calling for Replacement Parts. For Parts under Warranty, the Serial Number of your machine is required.

ACCESSORIES

SANDING BELTS
1" x 30" Aluminum Oxide
50-9080	80 Grit	Pack of 10
50-9120	120 Grit	Pack of 10
50-9150	150 Grit	Pack of 10
50-9180	180 Grit	Pack of 10
50-9220	220 Grit	Pack of 10
50-9999	Assortment	Pack of 10
	2 each 5 grits

SANDING DISCS
5” Diameter, PSA, Aluminum Oxide
50-5080	80 Grit	Pack of 5
50-5120	120 Grit	Pack of 5
50-5150	150 Grit	Pack of 5
50-5180	180 Grit	Pack of 5
50-5220	220 Grit	Pack of 5
50-5999	Assortment	Pack of 10
	2 each 5 grits

RIKON

POWER TOOLS

5-Year Limited Warranty

RIKON Power Tools Inc. ("Seller") warrants to only the original retail consumer/purchaser of our products that each product be free from defects in materials and workmanship for a period of five (5) years from the date the product was purchased at retail. This warranty may not be transferred.

This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs, alterations, lack of maintenance or normal wear and tear. Under no circumstances will Seller be liable for incidental or consequential damages resulting from defective products. All other warranties, expressed or implied, whether of merchantability, fitness for purpose, or otherwise are expressly disclaimed by Seller. This five-year warranty does not cover products used for commercial, industrial or educational purposes. The warranty term for these claims will be limited to a two-year period.

This limited warranty does not apply to accessory items such as blades, drill bits, sanding discs, grinding wheels, belts, guide bearings and other related items.

Seller shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special, or consequential damages arising from the use of our products.

To take advantage of this warranty, proof of purchase documentation must be provided which has the date of purchase and an explanation of the complaint.

The Seller reserves the right to effect at any time, without prior notice, those alterations to parts, fittings, and accessory equipment which they may deem necessary for any reason whatsoever.

To take advantage of this warranty, please fill out the enclosed warranty card and send it to:

RIKON Warranty

16 Progress Rd.

Billerica, MA 01821

The card must be entirely completed in order for it to be valid. If you have any questions please contact us at 877-884-5167 or [e-mail].

For more information:

16 Progress Rd

Billerica, MA 01821

877-884-5167 / 978-528-5380

[e-mail]