CHANGING THE BLADE

1. WARNING: WHEN CHANGING THE BLADE, MAKE CERTAIN THE SAW IS DISCONNECTED FROM THE POWER SOURCE. USE ONLY 10" DIAMETER SAW BLADES RATED FOR 4600 RPM OR HIGHER WITH 5/8" ARBOR HOLES.

2.Remove the table insert (A) Fig. 29, and raise the saw blade to its maximum height.

3.Remove the blade guard and spreader assembly.

NOTE: 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. 30, while pulling up on the blade guard/spreader assembly (B).

4.Using the open end wrench (B) Fig. 31, place open end of wrench on flats on inside blade flange to keep the saw arbor from rotating and remove arbor nut (C) with the closed end of wrench (D). Turn nut (C) counterclockwise to remove. Remove outside blade flange (E) and saw blade (F).

5.Install new blade, making certain teeth of blade are pointing down at the front of the saw table and assemble the outside blade flange (E) Fig. 31, and arbor nut (C). Tighten nut (C) with wrench (D) by turning nut clockwise while holding arbor steady with other wrench

(B).

6.Replace the table insert, blade guard and spreader assembly, and store the two wrenches.

STORAGE OF ACCESSORIES

For ease in storing and transporting, the saw can hold the following accessories as shown in Figs. 31A and 31B.

Fig. 31A

A - Wrenches

B - Blade guard/Spreader assembly

C - Fence

D. - Extra Blade

A

D

CB

Fig. 31A

12

A

Fig. 29

B

A

Fig. 30

D

B

C E

F

Fig. 31

Fig. 31B

E - Miter gage

F - Cord

F

E

Fig. 31B

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Porter-Cable 3812 instruction manual Changing the Blade, Storage of Accessories
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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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