Harbor Freight Tools 16 speed floor drill press, 43378 Screw B12 with a Hex Wrench

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-Push the Motor up until the top of the pulleys align. Hold Motor in place.

-Using a wrench, tighten four Hex Nuts (14) supporting the Motor.

-Turn the Belt Tension Lever (19) counterclockwise to release belt tension.

13.Install V-belts(A1). Refer to the photos on page 7.

-Turn the Belt Tension Lever (19) and move the pulleys closer together.

-Place the Idler Pulley (A19) on the Idler Pivot (A20), and into the Pulley Cover center hole (See the Pulley Assembly Drawing at the end of this manual).

-Place the V-belt between Spindle Pulley (A3) and the Idler Pulley (A19).

-Refer to the chart inside the Pulley Guard lid to select speed and belt locations.

-Place V-belt between the Motor Pulley (11) and the Idler Pulley (A19).

-Turn the Belt Tension Lever (19) to tighten the belts (moderately), and hold in place.

-Turn the Belt Tension Lock Knobs (18) clockwise to lock the belt tension.

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).

Caution: overtightening the belts can cause the motor to bind, and not start. It can also damage Motor bearings.

14.Attach Knob (A21) to the (top) Pulley Cover using Screw (A22).

Warning: Do not plug line cord into the electrical outlet at this time.

15.Locate the three Feed Handles (24) and screw them firmly into the Spindle Feed Shaft

(25).

16.Install the Chuck (A15).

-Thoroughly clean the tapered hole in the Chuck and the Arbor (A14) of all dirt, grease, oil, and protective coatings.

-Slide the Chuck onto the Arbor.

-Loosen the Arm Locking Handle (B16) and turn the Table Crank (B8) to raise the Table so that it is about two inches from the Chuck.

-Turn the Chuck sleeve clockwise and open the jaws completely.

-Turn the Feed Handle counterclockwise and force the Chuck against the Table until it is secure.

17.Verify that the Table is square (90 degrees) to the Head Assembly and drill bit.

-Secure a three inch drill bit in the Chuck.

-Raise the Table to within four inches of the Chuck.

-Place the long side of a combination square on the

Table.

-Align the short side of the square to the drill bit.

-If the Table is not square to the bit, loosen Set

Screw (B11) with the Allen wrench and the Lock

Lock Screw (B12)

Screw (B12) with a Hex Wrench.

Set Screw (B11)

- Rotate the Table until it is square to the bit.

 

- Retighten the Lock Screw, then the Set Screw.

 

Rev 07i

SKU 43378

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Contents Distributed exclusively by Harbor Freight Tools For technical questions or replacement parts, please callSafety Warnings and Precautions SpecificationsRead all instructions before using this tool Save This ManualPage Rev Vibration Hazard Drill Press Safety Warnings and PrecautionsUnpacking Assembly Head Assembly Screw B12 with a Hex Wrench Operation Setting the Depth Scale to Drill to a Specified DepthUsing the Depth Scale to Measure Depth While Drilling Locking the Chuck at a Specific DepthTilting the Table Installing the Chuck and Arbor MaintenanceAdjusting the Feed Handle Return Quill Spring Removing the Chuck and ArborGeneral Maintenance Symptom Possible Cause Solution TroubleshootingHead Assembly Parts List Head Assembly Drawing Item # Description Pulley and Spindle Assembly Parts ListPulley and Spindle Assembly Drawing Base and Table Assembly Parts List Base and Table Assembly Drawing

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.
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