SERVICE AND ADJUSTMENTS

Unit cycles automatically when power is on. When doing Maintenance, you may be exposed to voltage sources,

compressed air or moving parts. Personal injuries can occur. Before performing any Maintenance or repair, unplug the compressor and bleed off all air pressure.

ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE PERFORMED BY TRAINED SERVICE TECHNICIAN.

Before servicing:

•Unplug or disconnect electrical supply to the air compressor.

•Bleed tank of pressure.

•Allow the air compressor to cool.

To Replace or Clean Check Valve

1.Release all air pressure from air tank. See "To Drain Tank" in the Maintenance section.

2.Unplug outfit.

NOTE: If needed the top panel may be removed to make parts accessible.

3.Using an adjustable wrench loosen outlet tube nut at air tank and pump. Carefully move outlet tube away from check valve.

4.Using an adjustable wrench loosen pressure relief tube nut at air tank and pressure switch. Carefully move pressure relief tube away from check valve.

5.Unscrew the check valve (turn counterclockwise) using a 7/8" open end wrench. Note the orientation for reassembly.

Elbow Fitting

Nuts

Check

Valve

Outlet Tube

Pressure Relief Tube

6.Unscrew elbow fitting from the check valve (turn counterclockwise) using an adjustable wrench. Note the orientation of the elbow fitting for reassembly.

7.Using a screwdriver, carefully push the valve disc up and down. NOTE: The valve disc should move freely up and down on a spring which holds the valve disc in the closed position. If not, the check valve needs to be cleaned or replaced.

8.Clean or replace the check valve. A solvent, such as paint or varnish remover can be used to clean the check valve.

9.Apply sealant to the check valve threads. Reinstall the check valve and elbow fitting (turn clockwise).

10.Replace the pressure release tube. Tighten nut.

Screwdriver

11.Replace the outlet tube and tighten nut.

12.Perform the Break-in Procedure. See "Break-in Procedure" in the Operation section.

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Porter-Cable CFFC350B, CFFR350B instruction manual Service and Adjustments, To Replace or Clean Check Valve
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CFFR350B, CFFC350B specifications

The Porter-Cable CFFR350B and CFFC350B are two remarkable options in the realm of cordless nailers, specifically designed for professionals and DIY enthusiasts alike. Built by a company with a longstanding reputation for producing reliable and efficient power tools, these models reflect the latest technological advancements and user-focused features.

One of the standout features of the CFFR350B is its cordless design. Powered by an efficient 20V MAX lithium-ion battery, it provides the freedom of movement without cumbersome air hoses or gas cartridges. This is invaluable for those working in tight spaces or on ladders, as it allows for easy maneuverability and less fatigue during prolonged use. The CFFC350B similarly benefits from a cordless design, ensuring users can work effectively across a variety of job sites.

Both the CFFR350B and CFFC350B are equipped with a robust motor that delivers consistent firing power, whether users are driving fasteners into softwood or hardwood. The ability to handle a range of fastener sizes enhances versatility, with the CFFR350B capable of accommodating 1-1/4 inch to 3-1/2 inch framing nails, while the CFFC350B specializes in fastening applications, such as flooring and trim.

Another noteworthy feature is the tool-free depth adjustment. This functionality allows users to set the exact depth of the nails for precision work, ensuring that each nail is driven to the desired level without the need for additional tools. Along with this, both models include a tool-free jam release mechanism, which simplifies the process of clearing any nail jams that may occur, minimizing downtime during projects.

Additionally, the CFFR350B and CFFC350B come with an adjustable exhaust that directs air away from the user, keeping the workspace clean and enhancing user comfort. Their lightweight design paired with an ergonomic handle further promotes comfort over extended use, reducing hand fatigue and improving overall handling.

In conclusion, the Porter-Cable CFFR350B and CFFC350B nailers are essential additions to any tool collection. Their combination of cordless convenience, powerful motor performance, user-adjustable features, and thoughtful ergonomics makes them ideal for tackling a wide range of framing and fastening tasks with efficiency and precision.
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