Background

The Craftsman Air Compressor, model number 921.166400, is a product designed and manufactured by Midwest Air Technologies Inc. for Sears under the Craftsman brand. This air compressor is oil lubricated and has a 12-gallon capacity. It is primarily used to convert power into potential energy stored in pressurized air, also known as compressed air. This stored energy can then be used for a variety of applications, such as inflating tires, powering air tools, and other tasks that require pressurized air.

The Craftsman Air Compressor 921.166400 is equipped with a variety of parts that contribute to its functionality and durability. These include a cylinder head, a 90-degree fitting, an air intake filter housing, an air filter element, a valve plate, and a reed valve, among others. The compressor also includes a pressure switch, a safety valve, and two pressure gauges. The product is designed for reliability and longevity, with an emphasis on repairability.

Technical Specifications

  • Product Type: Air Compressor
  • Model Number: 921.166400
  • Pump: Oil-lube direct drive
  • Air Tank Capacity: 12 Gallons
  • Motor: 1.0 HP (induction)
  • Bore: 1.65"
  • Stroke: 1.26"
  • Voltage Single Phase: 120 VAC
  • Minimum Circuit Requirement: 15 Amps
  • Cut-In Pressure: 95 PSI
  • Cut-Out Pressure: 125 PSI
  • SCFM @ 90 PSI: 2.4
  • Oil Capacity: 90 mL or 3 oz.
  • Oil Type: SAE 30 Non-detergent

Warranty

The warranty for the Craftsman Air Compressor 921.166400 is a one-year full warranty. This warranty covers any defects in material or workmanship that may occur within one year from the date of purchase. If any issues arise during this time, you can claim the warranty by returning the compressor to any Sears store, parts and repair center, or other Craftsman outlet in the United States for free repair. However, it is important to note that if the air compressor is used for commercial or rental purposes, the warranty only applies for 90 days from the date of purchase. It is advised to read the owner's manual and follow all safety rules and operating instructions before using the product.

Craftsman 921.166400 Owners Manual