6.With the screwdriver still in place, loosen the (inner) Hex Nut (38) until the Quill Spring Cap notch disengages from the Spring Seat (42) -- about 1/8 inch.

Quill Spring Cap (39)

 

 

Hex Nut (38) - Inner

 

Quill Spring Cap Notches

 

 

Hex Nut (38) - Outer

 

 

 

 

7.Turn the screwdriver counterclockwise and engage the next Spring Cap notch. Leave the screwdriver in place.

8.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-Arbor movement.

9.Turn the Feed Handle 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 5 through 9.

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

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

General Maintenance

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 teeth, Table gears, and Spindle upper teeth.

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

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

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

8. Periodically, grease the rack.

9. Store in a clean and dry location.

Rev 07i

SKU 43378

Page 13

Page 13
Image 13
Harbor Freight Tools 16 speed floor drill press, 43378 operating instructions General Maintenance

43378, 16 speed floor drill press specifications

Harbor Freight Tools is renowned for providing high-quality tools at affordable prices, and their 16-speed floor drill press, model number 43378, is a prime example of their commitment to performance and value. Designed for both amateur and professional woodworkers, the 43378 model offers a versatile and robust solution for a variety of drilling tasks.

One of the standout features of the Harbor Freight 43378 is its 16-speed settings, which range from 580 to 3,050 RPM. This wide range allows users to select the optimal speed for their material, making it ideal for drilling through wood, metal, and plastics. The ability to adjust the speed is crucial for achieving precise results, and it provides the flexibility necessary to handle different projects with ease.

The drill press is equipped with a powerful 1/2 HP motor that ensures consistent performance even under heavy loads. This strength not only allows for efficient drilling but also contributes to the durability of the tool, making it suitable for frequent use in workshops or job sites. The heavy-duty cast iron base ensures stability, reducing vibrations and improving accuracy while operating.

Additionally, the 43378 features a generous 13-inch swing capacity, which means it can handle larger workpieces without compromise. The adjustable depth stop is another significant characteristic, allowing users to drill to a specific depth consistently, an essential feature for tasks that require repeated accuracy.

The drill press also includes an easy-to-read digital display for monitoring speed settings, enhancing user convenience. The LED work light illuminates the work area, enabling users to see their projects clearly, especially in dimly lit environments.

Safety features are also a priority with this model. The drill press is designed with a safety key that must be in place for operation, preventing accidental start-ups. Moreover, the sturdy construction and well-placed handles ensure that users can operate the machine safely and comfortably.

In summary, the Harbor Freight Tools 16-speed floor drill press, model 43378, is a powerful and versatile tool that meets the needs of various drilling applications. Its adjustable speeds, robust motor, and thoughtful safety features make it an excellent addition to any workshop, providing both enthusiasts and professionals with the capacity to complete their projects with precision and confidence. Whether for hobbyist projects or serious woodworking tasks, the 43378 stands out as a dependable choice in the realm of drill presses.