4” X 6” belt/disc sander Model 97181 Set up, operation & maintenance Instructions Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Distributed exclusively by Harbor Freight Tools®. 3491 Mission Oaks Blvd., Camarillo, CA 93011 Visit our website at: http://www.harborfreight.com Read this material before using this product. Failure to do so can result in serious injury. Save this manual.
Contents Important SAFETY Information ���������������������������� 3 General Safety Rules �������������� 3 Vibration Hazard ������������������������ 5 Specific Safety Rules ��������������� 5 Maintenance And Servicing ������������������������������� 14 Cleaning, Maintenance, and Lubrication ������������������������������� 14 Sanding Belt Replacement ��� 15 V-Belt Replacement ����������������� 15 Troubleshooting ���������������������� 16 Grounding ��������������������������������� 7 PARTS LIST �������������
Save This Manual CAUTION, used Caution with the safety alert symbol, indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number).
2. Electrical safety protection. Safety equipment such as dust mask/respirator, non-skid safety shoes, hard hat, or hearing protection used for appropriate conditions will reduce personal injuries. a. The Plug on this Belt/Disc Sander must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with grounded power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. c. Avoid accidental starting.
Vibration Hazard be controlled with the switch is dangerous and must be repaired. c. Disconnect the plug from the power source before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. This tool vibrates during use. Repeated or long-term exposure to vibration may cause temporary or permanent physical injury, particularly to the hands, arms and shoulders.
Specific Safety Rules 1. Always wear ANSI-approved safety goggles with full face shield when operating this Belt/Disc Sander. 2. Support workpiece with Miter Gage, Backstop or work table. 3. Maintain 1/16” maximum clearance between table and sanding belt, or disc. 4. Avoid kickback by sanding in accordance with the directional arrows. 5. Maintain labels and nameplates on the tool. These carry important safety information. If unreadable or missing, contact Harbor Freight Tools for a replacement. 6.
Grounding To prevent WARNING electric shock and death from incorrect grounding wire connection: Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the power cord plug provided with the tool. Never remove the grounding prong from the plug. Do not use the tool if the power cord or plug is damaged. If damaged, have it repaired by a service facility before use.
3. 4. 5. When using more than one extension cord to make up the total length, make sure each cord contains at least the minimum wire size required. (See Table A.) If you are using one extension cord for more than one tool, add the nameplate amperes and use the sum to determine the required minimum cord size. (See Table A.) If you are using an extension cord outdoors, make sure it is marked with the suffix “W-A” (“W” in Canada) to indicate it is acceptable for outdoor use. 6.
Specifications To prevent WARNING serious injury from accidental operation: Turn the Power Switch of the Belt/Disc Sander to its “OFF” position and unplug the tool from its electrical outlet before assembling or making any adjustments to the tool. Housing: Sheeted Steel Roller and Block Construction Materials Stop: Polyethylene Hardware: Carbon Steel Feet: Rubber Sanding Disc 6” Sanding Belt 4” W X 36” L , 80 Grit Motor and Electrical Information 3/4 HP PEAK 120V 60Hz, Amps - With Load: 3.
Mounting Aluminum Disc 1. Use 10 & 14mm wrenches (not included) to tighten, if necessary. (See Figure 1) 2. Set the Belt/Disc Sander on its feet. Figure 3 Tighten two Set Screws Figure 2 Table Bar (72) Adjusting Knob (75) Flat Washer (26) Set Screw (6) Table (69) Bar Holder (74) 2. Long Shaft (54) Aluminum Disc (5) 3. Slide the Aluminum Disc (5) onto the Drive Axle (54) so that the Set Screw (6) faces the flat surface of the Drive Axle (54). (See Figure 2) 4.
Flat Washer (26) and Lock Washer (27). (See Figure 3 & 4) 4. 5. 1. Mount Pivot Indicator (70) to the Bar Holder (74) using the Adjusting Knob (75) and Flat Washer (26) and finger tighten. (See Figure 3 ) Remove Table from Machine Body using reverse procedures in number 6 of “Disc Sander” section above. Figure 6 Support Rod (23) Tighten all fasteners. Make sure Pivot Indicator operates smoothly when Angle Adjustment Knob (75) is loosened.
Figure 7 2. Belt Adjustment Knob (49) Sanding Belt Belt Tighten Handle Align the two Tabs on the Stop Plate (63) with the two Holes on the top of the Band Support Housing (52). The Tabs will be underneath the Flange on the Band Support Housing (52). Insert two Machine Screws into the two Holes and thread them into the Tabs on the Stop Plate (63). Note: Flat Washers required between screw head and upper Guard Plate (58).
Functions the Table (69) so that the combination square touches the sanding disc. If the Table (69) is 90° to the sanding disc, the table is level. Tighten the Angle Adjusting Knob (75). This Belt/Disc Sander can be used for rough or smooth sanding. It has an adjustable belt platform for sanding both inside or outside curves. It can be used to sand both curved and/or flat projects. The included Table (69) tilts from 0° to 60° and can be repositioned to use with sanding belts or discs.
Maintenance And Servicing Mounting Sanding Discs 1. Remove the Table (69), if it is mounted in front of the sanding disc. 2. Peel off old sanding disc. 3. Align perimeter of new sanding disc over the Aluminum Disc (5) and press firmly onto the Aluminum Disc (5) 4. NOTE: If you are using the sanding disc for the first time. Before attaching the disc, wipe down the Aluminum Disc (5) with denatured alcohol (shellac thinner). This will clean the surface, leave no residue and assure a secure bond. 5.
Port (59) after cleaning and tighten Screw (61). 8. Replace the Upper Guard Plate (58) and tighten the four Screws (7). 3. After Use, clean external surfaces of the tool with clean cloth. 9. Push the Belt Tensioner Handle (50) to the rear to tighten the belt. 4. Periodically recheck all nuts, bolts and screws for tightness. 5. Apply a light coat of paste wax to the Table (69) to make feeding material easier. 10. Before using, manually check the new belt for alignment.
V-Belt Replacement V-Belt Tensioning Should the V-belt need tensioning, repeat steps 1 and 2, in V-belt Replacement section mentioned previously. 1. Loosen four Motor Mount Nuts (22) and slide the Motor (40) further forward towards Front Roller (44), making sure to pull evenly on the motor. While holding the motor in its current position, tighten the Nuts (22). 2. Place a straight edge on the faces of the two pulleys to ascertain alignment.
PLEASE READ THE FOLLOWING CAREFULLY The manufacturer and/or distributor has provided the parts list and assembly diagram in this manual as a reference tool only. Neither the manufacturer or distributor makes any representation or warranty of any kind to the buyer that he or she is qualified to make any repairs to the product, or that he or she is qualified to replace any parts of the product.
PARTS LIST Part Description PARTS LIST Q’ty Part 1 Screw M4 X 12 9 40 Motor Description Q’ty 1 2 Flat Washer 4 27 41 Washer 5 4 3 Front Cover 1 42 Retaining Ring 12 2 4 Sander Disc 1 43 Ball Bearing 4 5 Aluminum Disc 1 44 Front Roller 1 6 Screw M8 X 8 6 45 Adjusting Bracket 1 7 Screw M4 X 8 14 46 Spring 1 8 Disc Cover 1 47 Shaft 1 9 Outer Pulley Cover 1 48 Spring 1 10 Washer 16 49 Belt Adjustment Knob 1 11 Screw M4 X 8 6 50 Belt Tensione
ASSEMBLY DIAGRAM SKU 97181 For technical questions, please call 1-800-444-3353.
Limited 1 year / 90 Day warranty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that for a period of ninety days from date of purchase that the engine/motor, the belts (if so equipped), and the blades (if so equipped) are free of defects in materials and workmanship.
