6.NOTE: The anchor block (B) Fig. 6, has been adjusted at the factory so that the spreader will be aligned with the saw blade which is supplied with the saw. When changing to blades with different widths it may be necessary to adjust the anchor block (B) Fig. 9, as follows:

7.Remove table insert and saw blade.

8.Loosen the two screws (C) Fig. 8 (under saw table), that attach the anchor block (B) Fig. 9, to the saw frame

(E).

9.Three additional shims, two of which are shown at (D) Fig. 9, are supplied with your saw and can be used as required between the anchor block (B) and the frame (E) in order to align the spreader with the saw blade.

10.After adjustment is completed, tighten the two screws (C) Fig. 8.

REMOVING BLADE

GUARD/SPREADER

ASSEMBLY

WARNING: MAKE SURE THE SAW IS DISCON- NECTED FROM THE POWER SOURCE.

The blade must be in the 90 degree position to the table for the blade guard and spreader assembly to be removed. Remove the table insert, pull out on the spreader release spring (A) Fig. 9A, while pulling up on the blade guard/spreader assembly (B). NOTE: STORE

THE BLADE GUARD AS SHOWN IN FIG. 31A, WHEN THE BLADE GUARD IS NOT IN USE.

MITER GAGE

The miter gage is shipped completely assembled and is supplied with a T-slot miter gage bar (A) Fig. 10, that can be inserted into either one of the two T-slotted miter gage grooves located in the table top, as shown. The T- slot miter gage can be extended beyond the front of the table for cross-cutting wide workpieces.

MITER GAGE HOLDER

Fig. 11, illustrates the miter gage (D) inserted into the miter gage holder when not in use.

A

Fig. 10

C

Fig. 8

B

D

E

Fig. 9

Fig. 9A

D

Fig. 11

B

A

5

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Porter-Cable 3812 instruction manual Removing Blade GUARD/SPREADER Assembly, Miter Gage Holder
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3812 specifications

The Porter-Cable 3812 is a robust tool designed for those who prioritize efficiency and precision in woodworking and sanding applications. This high-performance sander is particularly suitable for both professional woodworkers and DIY enthusiasts, offering a range of features and technologies that enhance its functionality.

One of the defining characteristics of the Porter-Cable 3812 is its powerful motor. With a 12-amp motor delivering variable speeds from 8,000 to 12,000 orbits per minute, it allows users to adjust the sanding speed based on the material and desired finish. This versatility makes it ideal for various tasks, whether it's removing paint, sanding down rough edges, or finishing surfaces to a smooth sheen.

Another notable feature is its dust collection system. The 3812 includes a built-in dust port that can be connected to a vacuum for effective dust management. This feature not only keeps the workspace cleaner but also improves visibility, enabling users to work more efficiently and safely. The sander is designed with user comfort in mind, featuring an ergonomic handle that reduces fatigue during extended use.

In terms of design, the Porter-Cable 3812 offers a compact and lightweight structure, allowing for easy maneuverability and transport. Its sturdy construction ensures durability, making it a reliable choice for frequent use. The tool utilizes a hook-and-loop sanding pad system that allows for quick and easy sandpaper changes, minimizing downtime and increasing productivity.

Additionally, the sander is equipped with a soft-start feature, which gradually ramps up the speed to reduce the risk of swirls and uneven finishes at the beginning of the sanding process. This technology is particularly beneficial for intricate projects that require precision and care.

The Porter-Cable 3812 is also compatible with a wide range of sandpaper grits, making it adaptable to diverse sanding tasks. It combines power, precision, and user-friendly features to make woodworking and sanding projects less daunting.

Overall, the Porter-Cable 3812 stands out as a reliable tool that effectively meets the needs of woodworkers. Its blend of powerful performance, advanced features, and thoughtful design solidify its place as a significant choice for anyone looking to achieve exceptional sanding results.
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