Harbor Freight Tools 44846 Maintenance, Removing the Chuck and Spindle Shaft

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4.Push the Motor (22) backward and hold. Retighten the Thumb Nut.

Note: To test the proper belt tension, push in on the center of each belt at its center. It should move only 1/2 inch (in or out).

5.Close the Belt Guard Lid.

Maintenance

Warning: Before performing any maintenance to this machine, remove the line cord from the electrical outlet.

Removing the Chuck and Spindle Shaft

During this procedure, refer to the Chuck and Spindle Assembly Drawing.

1.Pull the Feed Knob counterclockwise and hold the Chuck at a depth of three inches.

2.Align the key holes in the Spindle (A15) shaft and the Quill Tube (A10) by turning the Chuck by hand.

3.Insert a Wedge Drift Key (not supplied) into the key holes.

4.Lightly tap the wedge Drift Key (A14) with a rubber mallet until the Spindle shaft falls out of the Quill Tube.

Place a bundled cloth or basket below the Chuck to catch it when it falls.

Installing the Chuck and Spindle Shaft

1.Using a clean cloth, wipe the tapered surfaces on the Spindle shaft (A15).

2.Slide the Spindle shaft and Chuck assembly up and into the Quill Tube (A10).

At the same time, turn the assembly until the rectangular end of the Spindle shaft slips into the notch on the Quill Tube.

Warning: In the previous step, if the Spindle shaft is not properly set in the Quill Tube notch, it may fly out during operation.

3.Loosen the Support Clamp (B16) and raise the Table (B20) about three inches below the Chuck.

4.Turn the Chuck sleeve clockwise to open the jaws completely.

5.Pull the Feed Knob counterclockwise and force the Chuck against the Table until the Spindle shaft is secure.

Adjusting the Feed Wheel Return Tension Spring

Caution: Wear a full face shield during this procedure.

1.Move the Chuck to its uppermost position and lock in place.

2.Insert a screwdriver in the lower-front notch of the Cap Spring (8).

Hold it in place and, using a wrench, remove the (outer) Hex Nut (7) only.

SKU 44846

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Contents Inch floor radial Drill press For technical questions or replacement parts, please callSafety Warnings and Precautions SpecificationsRead all instructions before using this tool Save This ManualPage Drill Press Safety Warnings and Precautions Unpacking AssemblySKU Adjusting the Head Angle OperationDrilling Setting the Depth Scale to Drill to a Specified Depth Adjusting the TableMoving the Head Horizontally Moving the Head Forward or BackwardInstalling the Chuck and Spindle Shaft MaintenanceAdjusting the Feed Wheel Return Tension Spring Removing the Chuck and Spindle ShaftGeneral Maintenance SyMptoM Possible cause Solution TroubleshootingHead Assembly Drawing Head Assembly Parts ListPulley and Spindle Assembly Drawing Pulley and Spindle Assembly Parts ListItem # Description Base and Table Assembly Parts ListLimited 1 year / 90 Day warranty

44846 specifications

Harbor Freight Tools 44846, also known as the Central Pneumatic 21-Gallon Horizontal Air Compressor, has gained significant attention among both DIY enthusiasts and professionals alike. This reliable and efficient air compressor boasts a variety of features that make it a staple in workshops and job sites.

One of the most notable features of the 44846 is its powerful 1.5 horsepower motor, capable of delivering a maximum pressure of 125 PSI. This ensures a quick recovery time, allowing users to work with pneumatic tools seamlessly. The 21-gallon horizontal tank provides ample storage, enabling longer operating times without frequent refills. Ideal for a range of applications, from powering air tools to inflating tires, this compressor stands out for its versatility.

Another essential characteristic of the Harbor Freight 44846 is its oil-lubricated pump, which promotes efficient performance and longevity. The pump aids in maintaining lower operating temperatures, reducing wear and tear on internal components. This feature is particularly beneficial for users engaged in extended projects or heavy-duty tasks.

Safety and convenience are also paramount in the design of the 44846. Equipped with a pressure regulator, users can adjust the output pressure according to their specific needs, ensuring optimal performance during use. The built-in quick connect coupler provides easy access to tools, while the large, durable wheels make transportation to various work locations hassle-free.

Additionally, the compressor features a low noise level, producing a moderate sound output during operation. This makes it suitable for environments where noise reduction is essential, allowing users to work in residential areas without disturbing neighbors.

Maintenance is simplified with the Harbor Freight 44846, as it includes a removable air filter for easy cleaning and replacement. This design consideration helps maintain efficiency over time and ensures that the compressor operates at peak performance.

Overall, the Harbor Freight Tools 44846 Central Pneumatic 21-Gallon Horizontal Air Compressor is an exceptional choice for those needing a reliable, versatile, and durable compressor. Its combination of power, efficiency, and user-friendly features makes it an excellent addition to any toolkit, whether for home use or professional applications. With proper care and maintenance, this compressor promises to serve users well for many projects to come.
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