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 electrica 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 unit.

3.Remove the regulator ring and remove the console cover.

Regulator

Cover

Ring

 

4.Remove shrouds.

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

 

 

 

Nut

 

Outlet Tube

 

 

 

 

 

Pressure

 

 

 

 

Relief

 

 

 

 

 

Check

Tube

 

Valve

Nut

 

 

 

 

 

 

 

 

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

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

8.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.

Screwdriver

In open position nothing is visible.

In closed position disc is visible.

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

10.Apply sealant to the check valve threads. Reinstall the check valve (turn clockwise).

11.Replace the pressure release tube. Tighten nuts.

A14841

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Craftsman 919.724591 owner manual Service and Adjustments, To Replace or Clean Check Valve, Ring
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919.724591 specifications

The Craftsman 919.724591 is a highly regarded air compressor designed for both DIY enthusiasts and professionals alike. This versatile tool provides a range of features that make it a go-to choice for various applications, from powering air tools to inflating tires and more.

One of the standout features of the Craftsman 919.724591 is its powerful 6-gallon tank. This tank size strikes an ideal balance between portability and capacity, allowing users to tackle numerous tasks without frequent refueling. With a maximum pressure of 150 PSI, the compressor delivers impressive air power, making it suitable for a range of pneumatic tools, including nail guns, staplers, and paint sprayers.

Equipped with a 2.6 SCFM (Standard Cubic Feet per Minute) at 90 PSI, the Craftsman 919.724591 ensures a steady flow of air for efficient operation. This high performance allows users to complete their projects more quickly and effectively. The compressor also incorporates an oil-free pump, which reduces maintenance needs and ensures that users can rely on it for hassle-free operation. This feature is particularly beneficial for those who prioritize convenience and efficiency.

In terms of portability, the Craftsman 919.724591 does not disappoint. It features a lightweight design and comes with a sturdy handle for easy transportation from one job site to another. The rubber feet further enhance stability during operation, reducing vibrations that could cause misalignment or damage to connected tools.

Safety is another important aspect of the Craftsman 919.724591 design. The air compressor showcases an integrated safety valve that automatically releases pressure if it exceeds safety levels. This feature provides peace of mind, ensuring safe usage even in demanding environments.

The compressor’s user-friendly control panel makes it easy for users of all skill levels to operate. Its clearly labeled gauges allow for straightforward monitoring of pressure levels, ensuring that tools are used within the required specifications.

Overall, the Craftsman 919.724591 is a robust and efficient air compressor that offers a blend of performance, portability, and safety. Its innovative features, such as the oil-free pump, impressive tank capacity, and user-friendly design, make it an excellent choice for anyone seeking reliability and versatility in their air compressor. Whether for home improvement projects or professional tasks, the Craftsman 919.724591 stands out as a dependable tool built to satisfy a wide array of air-powered applications.
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