Important Safety Instructions & Guidelines

Risk to Breathing

Risk of

Electrical Shock

Risk of

Explosion or Fire

Risk of Bursting

Avoid using the air compressor in confined areas. Always have adequate space (12 inches) on all sides of the air compressor. Also keep children, pets, and others out of the area of operation. This air compressor does not provide breathable air for anyone or any auxiliary breathing device. Spraying material will always need to be in another

area away from the air compressor to not allow intake air to damage the air compressor filter.

Never utilize the air compressor in the rain or wet conditions. Any electrical issues or repairs should be performed by authorized personnel such as an electrician and should comply with all national and local electrical codes. The air compressor should also have the proper three prong grounding plug, correct voltage, and adequate fuse protection.

Never operate the compressor near combustible materials, gasoline or solvent vapors. If spraying flammable materials, locate the air compressor at least 20 feet away from the spray area. Never operate the air compressor indoors or in a confined area.

Always drain the air compressor tank daily or after each use. if the tank develops a leak, then replace the air compressor. Never use the air compressor after a leak has been found or try to make any modifications to the tank. Never modify the air compressor's factory settings which control the tank pressure or any other function.

Specifications

Pump

Oil-lube direct drive

Motor Induction

1.5 HP max developed,

 

1HP running

Bore

1.65"

Stroke

1.26"

Voltage Single Phase

120 VAC

Glossary

CFM: Cubic feet per minute.

SCFM: Standard cubic feet per minute; a unit of measure for air delivery.

PSIG: Pounds per square inch gauge; a unit of measure for pressure.

ASME: American Society of Mechanical Engineers.

California Code: Unit may comply with California Code 462 (I) (2)/(M) (2).

Cut-In Pressure: The air compressorwill automatically

start to refill the tank when the pressure drops below the prescribed minimum.

Minimum Circuit Requirement .... 15 Amps

Air Tank Capacity

3 Gallons

Cut-in Pressure

95 PSI

Cut-out Pressure

125 PSI

SCFM @ 90 PSI

2.4

Cut-Out Pressure: The point at which the motor stops when the tank has reached maximum air

pressure.

Code Certification: Products that bear one or more of

the following marks: UL, CUL, ETL, CSA, have been evaluated by OSHA-certifiedindependent

safety laboratories and meet the applicable Underwriters Laboratories Standards for Safety.

Duty Cycle

This is a 50% duty cycle air compressor. Do not run the air compressor more than 30 minutes of one hour. Doing so

could damage the air compressor.

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Craftsman 921.1531 owner manual Specifications, Glossary, Duty Cycle
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921.1531 specifications

The Craftsman 921.1531 is a notable addition to the realm of handheld tools, particularly designed for enthusiasts and professionals alike who seek efficiency and performance. This powerful heat gun is celebrated for its versatility, making it suitable for a variety of tasks including paint stripping, thawing frozen pipes, drying damp surfaces, and even crafting projects.

One of the key features of the Craftsman 921.1531 is its dual temperature settings. Users can select from high and low heat options, allowing for precise control depending on the requirements of the job at hand. The low setting, typically around 750°F, is perfect for delicate applications such as loosening adhesive or drying paint, while the high setting—reaching up to an impressive 1,000°F—enables heavy-duty work such as removing old paint from wood surfaces or bending plastic.

The lightweight and ergonomic design of the Craftsman 921.1531 further enhances usability. Weighing in at just over a pound, this heat gun is easy to handle and minimizes user fatigue during extended use. The comfortable grip ensures that the tool can be utilized for prolonged periods without discomfort, making it an excellent choice for both DIY enthusiasts and professionals who demand precision in their work.

In terms of safety, the Craftsman 921.1531 includes built-in features to safeguard the user. The integrated stand allows users to position the heat gun safely during operation, preventing accidental burns or damage. Additionally, the heat gun is designed to quickly cool down after use, enhancing safety and prolonging the lifespan of the tool.

Another vital aspect of the Craftsman 921.1531 is its ease of use. The simple design promotes straightforward operation, with an intuitive on/off switch that allows for immediate readiness and control. This makes it accessible to users of all skill levels, from seasoned craftsmen to novices tackling home improvement projects.

Overall, the Craftsman 921.1531 stands out for its combination of features and user-friendliness. With reliable performance, dual temperature settings, a lightweight design, and safety features, it remains a versatile tool in any workshop. Whether for small home repairs or larger projects, this heat gun is equipped to handle a wide array of tasks, making it a must-have for anyone serious about DIY or professional work.
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