Porter-Cable 347k, 447k Functional Description, Assembly, Foreword, Removing the Blade

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FUNCTIONAL DESCRIPTION

FOREWORD

Your Porter-Cable circular saw is designed for use with 71/4" diameter blades that have a 5/8" diameter bore. Blades must be rated for 6000 RPM operation (or higher).

A mounting flange kit for diamond-hole blades is available. This kit adapts the saw for use with 71/4" diameter blades that have a diamond-shaped mounting hole.

BLADE BRAKE (Model 447 only)

Model 447 is equipped with an electric blade brake that energizes automatically whenever the trigger switch is released.

ASSEMBLY

REMOVING THE BLADE

1.CAUTION: DISCONNECT TOOL FROM POWER SOURCE.

2.Push in blade lock (A) Fig. 1, and rotate blade by hand until lock engages blade arbor.

CAUTION: AVOID CONTACT WITH BLADE TEETH TO PREVENT PERSONAL INJURY.

3. While holding blade lock

A

engaged, use wrench provided

(B)Fig. 1, and loosen blade retaining bolt by rotating counterclockwise.

4.Remove blade retaining bolt, release blade lock and remove outer blade flange.

5.Retract telescoping guard and remove blade.

INSTALLING THE BLADE

B

Fig. 1

1.CAUTION: DISCONNECT TOOL FROM POWER SOURCE.

2.Remove any sawdust that may have accumulated within guards and around arbor. Check the telescoping guard to insure it is in working order.

3.Clean inner blade flange, retract telescoping guard, and place sharp blade on arbor making sure teeth point up at front of saw as shown in Fig. 2.

CAUTION: AVOID CONTACT WITH BLADE TEETH TO PREVENT PERSONAL INJURY.

4.Place outer blade flange on arbor with flange towards blade and flats mating with those on arbor.

5.Replace blade retaining bolt and finger tighten by turning clockwise.

6.Push in blade lock and rotate blade arbor by hand until lock engages arbor. Tighten blade retaining bolt with wrench provided just enough to prevent blade slippage during normal cutting and release blade lock.

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Contents Double Insulated Work Area General Safety RulesElectrical Safety Personal SafetyTools USE and Care ServiceSpecific Safety Rules and Symbols for Circular Saws Kickback Motor Replacement PartsExtension Cord Selection Foreword AssemblyInstalling the Blade Functional DescriptionTelescoping Guard To Adjust Depth of CUT for Normal Cutting45 Bevel Positive Stops To Adjust for Bevel CutsBack Cuts To Adjust 45 Bevel Positive Stop To Adjust 90 Positive StopInstalling Sawdust Exhaust Nozzle LINE-OF-CUT IndicatorBlade Wrench Storage Operation Installing and Care of Dust BAGVacuum Cleaner Adapter HOW to USE the SAWRipping CROSS-CUTTINGBevel Cutting Pocket Cuts Plunge CuttingLubrication MaintenanceKeep Tool Clean Failure to StartService and Repairs AccessoriesCanadian PORTER-CABLE Delta Service Centers

447k, 347k specifications

The Porter-Cable 347K and 447K are two innovative pneumatic nailers designed to meet the needs of both professionals and DIY enthusiasts. Known for their robust performance and reliable construction, these nailers are ideal for a variety of applications, including framing, roofing, and finishing work.

One of the main features of the Porter-Cable 347K is its capability to handle a wide range of fasteners. This model supports 3 to 3-1/4 inch framing nails, making it versatile for various construction tasks. The tool is equipped with a tool-free depth adjustment, allowing users to easily set the driving depth of the nails, ensuring a precision finish. This feature is especially helpful for applications where nail placement is critical, such as in cabinetry or trim work.

On the other hand, the 447K model is primarily geared towards fastening applications that require a lighter touch. This nailer is capable of firing 2 to 4-inch angled finish nails, suitable for tasks like crown molding and furniture assembly. The quick-release nose design of the 447K ensures that jammed nails can be cleared quickly, minimizing downtime on the job site.

In terms of technology, both models incorporate an integrated air filter to keep the internal mechanisms clean and functioning smoothly. This feature is vital for extending the lifespan of the tool and maintaining consistent performance. Furthermore, the clear side window on both nailers allows users to easily monitor nail levels, reducing the likelihood of running out of fasteners during crucial moments.

Both the 347K and 447K models boast lightweight designs, making them easy to maneuver for extended periods. This ergonomic advantage enhances user comfort, making them suitable for prolonged use on large projects. Additionally, the rubber grip and trigger ensure that users have a secure hold on the nailers, offering superior control and precision during operation.

Both Porter-Cable nailers come equipped with a durable carrying case for easy transport and storage, ensuring that the tools remain organized and protected when not in use.

Overall, the Porter-Cable 347K and 447K nailers stand out for their reliability, performance, and user-friendly features. Whether you're a professional contractor or a weekend warrior, these tools will add efficiency and precision to your construction projects, making them a valuable addition to any toolbox.