Harbor Freight Tools Four Inch Belt and 6 Inch Disk Sander On / Off Switch, Sanding Safety Tips

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On / Off Switch

The locking On/Off Switch (16) needs to have the Switch Key inserted before the switch can be used. This feature prevents unauthorized use of the Belt Sander. The locking Switch operates as follows.

1.Insert plastic Switch Key into locking Switch (16).

2.Press the Switch to the On position to start.

3.Press the Switch to the Off position to stop.

4.To lock switch in Off position, pull out the key and store in a secure place.

Caution: Never walk away from the Belt Sander when the machine is running. Always lock the switch in the Off position when not in use.

Sanding Safety Tips

1.Always maintain a maximum of 1/16 inch clearance between the table and the sand- ing Disc.

2.CAUTION: Do not use the right side of the disc for sanding. The material could kickback.

3.Hold material securely while sanding to avoid kick back.

Leveling Table Assembly

During this and other procedures, refer to the photos on the previous page and the Assem- bly Drawing on the last page.

1.Place a combination square on the Table (59) so that it also touches the Sanding Disc (23). If the Table is 90 degrees to the Sanding Paper, the square is flush on the Pad.

2.If the Table is not 90 degrees with the Pad, loosen the Table Angle Adjusting Knob (55) and tilt the Table until the square is flush with the Pad.

3.Retighten the Knob to secure the table.

4.Loosen the angle Pointer (58) screw and adjust it so that it points to 90 degrees. Re- tighten screw.

Adjusting the Sanding Belt Tracking

1.Turn the Belt Sander On.

If the belt looks like it is going to slide off either roller, the belt tracking needs to be adjusted (described in the next step).

2.Turn the Belt Tracking Adjusting Knob (35) until the belt rides on the center of the Idle Roller (41) and Drive Drum (5).

SKU 93981

For technical questions, please call 1-800-444-3353

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Contents 93981 Assembly and Operating InstructionsSave This Manual SpecificationsGeneral Safety Rules Electrical SafetyPersonal Safety Tool Use and Care Specific Safety Rules for This ProductService SKU Double Insulated Tools Tools With Two Prong Plugs GroundingGrounded Tools Tools With Three Prong Plugs Feet Extension CordsUnpacking Assembly InstructionsSymbology Feet PlacementMounting Sanding Disc Table InstallationMounting the Block Stop Controls and AdjustmentsOperating Instructions Adjusting the Sanding Belt Tracking On / Off SwitchSanding Safety Tips Leveling Table AssemblyAdjusting the Sanding Belt for Vertical Operation INSPECTION, MAINTENANCE, and CleaningSanding Belt Replacement TroubleshootingPlease Read the Following Carefully Parts ListRecord Product’s Serial Number Here Assembly DrawingWarranty card Limited 90 day/1 Year warranty