General Maintenance

3.With the screwdriver still in place, loosen the (inner) Hex Nut (7) until the Cap Spring notch disengages from the Spring Retainer (10) -- about 1/8 inch.

4.Turn the screwdriver counterclockwise and engage the next Cap Spring notch.

Leave the screwdriver in place.

Cap Spring (8)

5.Tighten the (inner) Hex Nut just enough to engage the notch.

If this Hex Nut is too tight, it will restrict (up and down) Chuck-Spindle movement.

6.Pull the Feed Knob and check the spring tension, making sure the up movement is smooth and complete.

From one inch down, the Chuck should return to its uppermost position. If more tension is required, repeat steps.

7.Replace the (outer) Hex Nut (7) and tighten on top of the (inner) Hex Nut. Do not overtighten.

Hex Nut (7)

Guide Pin (16)

Clamping Lever

(30), Left

8.If the (up/down) movement is restricted, slightly loosen the (inner) Hex Nut, and retighten the (outer) Hex Nut.

1.Using compressed air, blow clean the Table, Base, and Motor cooling vents of dirt and materials.

2.Apply paste wax to the Table and Column to enable movement and to help keep surfaces clean.

3.All bearings are factory lubricated and need no further attention.

4.Periodically, lubricate the Tube Column, Table, and Spindle upper teeth with a light oil.

5.Monthly, check the tightness of all mounting screws and bolts in the Base, Column, and Head assemblies.

6.Check belt for wear and replace if frayed or damaged in any way.

7.Lubricate Spindle assembly with a light oil, weekly.

8.Store in a clean and dry location.

SKU 44846

Page 10

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.