Lead Screw Thread Clearance, Corrective action

4.Insert a tool, such as a hex wrench or screwdriver, through the hole on top of the leadscrew (Fig 18) at that corner of the table that is lowest.

5.Turn the leadscrew clockwise to raise the table.

6.When the adjustment is complete, install the chain over the four sprockets, and over the chain tensioner roller. Push back the chain tensioner assembly until proper tension is achieved, then tighten the socket head cap screw on the chain tensioner.

7.Install front and rear cover plates.

After this procedure, the pressure rollers should be checked and adjusted if necessary (see Pressure Rollers on page 16).

Lead Screw Thread Clearance

Referring to Figure 19 – If adjusting the table height becomes difficult or if excessive clearance forms between the lead screws and bushings, adjustment may be required as described below.

Symptoms

Table wobble is noted

Difficulty is noted in table height adjustment

Corrective action

1.Determine the corner(s) requiring adjustment.

2.Use a 1/8" hex wrench to loosen the setscrew (A, Fig. 19) between 1/4 and 1/2 turn.

To remove excessive clearance

3.Using a 1-1/8" wrench, slightly tighten the eccentric bushing (B) by turning clockwise (from right to left).

For clearance too tight, causing difficulty in table height adjustment

3.Using a 1-1/8" wrench, slightly loosen the eccentric bushing (B) by turning counter- clockwise (from left to right).

After adjustment

4. Tighten the setscrew (A).

After adjusting the lead screw clearance, the table must be rechecked for parallelism (previous section).

Figure 18

Figure 19

DDS-225, DDS-237 specifications

The Powermatic DDS-237 and DDS-225 are two advanced drill presses that have been engineered for woodworkers who demand precision and versatility in their projects. These machines are part of Powermatic’s commitment to providing high-quality tools that cater to both professional and hobbyist woodworkers.

One of the main features of the DDS-237 is its robust construction. With a heavy-duty cast iron base and column, this drill press offers exceptional stability, reducing vibrations during operation which leads to accurate drilling. The DDS-225 follows suit, providing a durable design that ensures reliability even in the most challenging work environments.

The DDS-237 comes equipped with a powerful 1 HP motor, offering variable speed control ranging from 250 to 3000 RPM, allowing users to select the perfect speed for various materials. This feature is particularly advantageous for woodworkers who work with different species of wood or even metal and plastic. The DDS-225, on the other hand, features a slightly less powerful motor but maintains the same level of versatility with multiple speed settings.

Another significant aspect of these drill presses is their user-friendly interface and adjustments. Both models boast an easy-to-read digital depth gauge, enabling precise depth adjustments. This feature is crucial for applications requiring repetitive drilling depths, such as doweling or creating mortises.

Both models also incorporate innovative technologies aimed at enhancing user safety and convenience. The patented Quick-Release chuck system allows for rapid and easy tool changes without the need for additional tools, saving valuable time during setup and operation. Furthermore, the built-in work light illuminates the workspace, improving visibility during intricate drilling tasks.

Dust collection is also a fundamental aspect of both models, with integrated ports designed to minimize debris in the workspace, creating a healthier and cleaner working environment.

The Powermatic DDS-237 and DDS-225 are not just machines but essential tools that combine power, precision, and safety. Whether for professional use or serious woodworking enthusiasts, these drill presses are designed to meet the demands of any project with reliability and efficiency.