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.

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.

3.Using a phillips screwdriver remove the air filter cover.

4.Remove the rear shrouds using T-20 torx wrench.

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

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

 

 

 

Nut

 

Outlet Tube

 

 

 

 

 

Pressure

 

 

 

 

Relief

 

 

 

 

 

Check

Tube

 

Valve

Nut

 

 

 

 

 

 

 

 

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 nut.

12.Replace the outlet tube and tighten nut.

13.Replace the shroud and air filter.

14.Perform the Break-in Procedure. See “Break-in Procedure” in the Operation section.

D25050

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Craftsman 919.724271 Service and Adjustments, To Replace or Clean Check Valve, Nut Outlet Tube Pressure Relief Check Valve
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919.724271 specifications

The Craftsman 919.724271 is a highly regarded air compressor that caters to both hobbyists and professionals. Known for its reliable performance and user-friendly features, this model stands out in the extensive Craftsman lineup for its versatility and robustness.

One of the key features of the Craftsman 919.724271 is its powerful motor. Equipped with a 1.5 horsepower, this motor can deliver a maximum pressure of 135 PSI, making it suitable for various applications including inflating tires, powering pneumatic tools, and handling light automotive repairs. The compressor has a 6-gallon tank that offers sufficient air supply, allowing for prolonged use without constant recharging.

The design of the 919.724271 emphasizes portability and ease of use. Weighing in at a manageable 30 pounds, it includes a convenient handle and rubberized wheels, making it easy to move from one job site to another. Its compact size allows for easy storage in a garage or workshop, making it an ideal choice for those with limited space.

Another significant characteristic of the Craftsman 919.724271 is its oil-free pump system. This technology not only reduces maintenance needs, but it also minimizes the risk of oil contamination in your projects. Users can enjoy the convenience of a cleaner operation and hassle-free upkeep, allowing them to focus on their work without worrying about oil changes or cleanups.

The compressor is also designed with a quick recovery time, thanks to its efficient power management. Users can expect fast recharging between uses, making it ideal for tasks that require a continuous airflow. The easy-to-read pressure gauge and regulator allow for precise control of air pressure, which is essential for tasks that require specific pressure settings.

Safety is prioritized in the Craftsman 919.724271, which incorporates thermal overload protection. This feature ensures that the compressor does not overheat during extended use, prolonging its lifespan and maintaining performance.

Overall, the Craftsman 919.724271 is a well-rounded air compressor that meets the demands of diverse users. Its compelling combination of power, portability, and innovative design makes it an excellent addition to any toolkit, whether for light DIY projects or professional use. With the reliability associated with the Craftsman brand, users can find confidence in the 919.724271 to deliver efficient and effective performance every time.
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