Operating Instructions

WARNING!

The grinding wheel can fly apart and cause injury. Grinding wheels must always be checked for cracks or imperfections. This is done with the “ring test”. With the Grinding Wheel mounted, tap the wheel gently near the outer rim with the handle of a screwdriver. You should hear a clear bell-like ring. If a dull thud occurs, do not use the wheel. The wheel may be damaged and could come apart during operation.

1.Insert the Line Cord (28) into a grounded electrical outlet.

2.To turn on the Bench Grinder, press the Switch (27) to the (I) ON position. The motor will start. See photo on page 9.

3.Put on the ANSI-approved safety impact glasses and full face shield.

Note: Do not use aluminum oxide grinding wheels when grinding nonferrous metals such as aluminum and brass. Use silicon carbide grinding wheels for nonferrous metals.

Note: Do not grind with the sides of the grinding wheel.

4.When the Motor reaches full speed, bring the workpiece into the wheel gently, without jarring.

The workpiece will quickly become heated, therefore frequent quenching in water is required. When grinding high speed steels such as drill and tool bits, avoid high temperature buildup as this can affect the temper of the steel.

For small workpieces such as drill bits or chisels, avoid applying pressure to the Grinding Wheel at a high angle that could cause the workpiece to become lodged between the Tool Rest and the Grinding Wheel.

5.To turn off the Bench Grinder, press the Switch (27) to the (O) OFF position.

INSPECTION, MAINTENANCE, AND CLEANING

WARNING!

Make sure the Power Switch of the Bench Grinder is in its “OFF” position and that the tool is unplugged from its electrical outlet before performing any inspection, maintenance, or cleaning procedures.

1.Before each use, inspect the general condition of the Bench Grinder Check for loose screws, misalignment or binding of moving parts, cracked or broken parts, damaged electrical wiring, and any other condition that may affect its safe operation. If abnormal noise or vibration occurs, have the problem corrected before further use. Do not use damaged equipment.

2.Periodically recheck all nuts, bolts, and screws for tightness.

3.Store in a clean and dry location.

SKU 94186

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

Page 10

94186 specifications

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The Harbor Freight Tools 94186 is a comprehensive 3-in-1 ultrasonic cleaner designed for cleaning a variety of items, ranging from small engine parts to jewelry. Its main feature is the ultrasonic cleaning technology, which utilizes high-frequency sound waves to produce millions of microscopic bubbles in a cleaning solution. This process, known as cavitation, effectively removes dirt, grease, and grime from surfaces without causing damage to the items being cleaned.

With a large cleaning capacity, the 94186 can handle items as large as 15.2 inches in diameter and up to 9.5 inches tall, making it suitable for a wide range of applications. This size allows users to clean multiple parts at once, streamlining the cleaning process. The unit also features a user-friendly digital display, which ensures precise control over cleaning times and temperature settings. Users can easily set the ultrasonic cleaning time for up to 60 minutes, and the adjustable temperature can range from room temperature to 176 degrees Fahrenheit, enhancing the cleaning effectiveness.

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