Installation & Assembly

The air compressor shouid be turned off, unplugged from the power source, the air bled from the tank and the unit allowed time to cool before any maintenance is performed. Personal injuries could occur from moving parts, electrical sources, compressed air or hot surfaces. The quick connect assembly must be attached before use. Failure to assemble correctly could result in leaks and possible injury. If unsure of assembly instructions or you experience

difficulty in the assembly please call our toll free number for assistance.

Installing Wheels

The wheels and handle do not provide adeguate clearance, stability or support for pulling the unit up and down stairs or steps. The unit must be lifted or pushed up a ramp.

It may be necessary to brace or support one end of the air compressor when attaching the wheels, because it will have a tendency to tip.

Items Needed For Assembly

1gram or adjustable wrench for shoulder bolt

• 17mm er adiustable wrench for nylon lock nut Install one shoulder bolt, washer, and one nut for each

wheel using bolt hales provided in the wheel bracket. The shoulder bolt will install from the outside of the wheel

through the top hole in the wheel bracket. Tighten securely with the washer and nut positioned on the inside of the wheel bracket.

Assembly

1.Remove air compressor, manual, air filter assembly, and accessories from packaging.

2.Remove the plastic plug from the compressor intake port. (seediagrambelow)

3.Install the filter in the compressor intake port.

(see diagram below)

4.Remove the oil fill cap from the crankcase and fill until the oil reaches the top of the red dot in the sight glass. Oil capacity is 3 oz. (seebelow)Use SAE-30 non-detergent (API CG/CD heavy duty motor oil). Under extreme cold weather conditions use SAE-t 0 weight oil.

5.Replace the oil cap.

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Estimated AssembtyTime: Approximately5 minutes

Getting Started-Location of the Air Compressor

The air compressor should always be located in a clean, dry, and well ventilated environment. The unit should have at minimum, 12 inches of space on each side. The air intake filter should be free of any debris or obstructions. Check the air filter on a daily basis to be sure it is clean and in working order.

Grounding Instructions

This product must be grounded. In the event of an electrical short circuit, grounding reduces the dsk of electric shock by providing an escape route for the electric current.

This product is equipped with a cord having a grounding

wire with an appropriate grounding plug. (See the figure below.) The piug must be plugged into an outlet that is

property installed and grounded in accordance with all local codes and ordinances. Check with a qualified

electrician or service personnel if these instructions are not completely understood or if in doubt as to whether the

toot is properly grounded.

 

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Improper installation of the grounding plug wil! result in a risk of electric shock. If repair or replacement of the cord or plug is necessary, do not connect the grounding wire to either fiat blade terminals. Check with a qualified electrician or serviceman if the grounding instructions are not completely understood, or if in doubt as to whether the product is properly grounded Do not modify the plug provided; if it will not fit the outlet, have the proper outlet installed by a qualified electrician.

This product is for use on a circuit having a nominal rating of 120 volts and is factory-equipped with a specific electric cord and plug to permit connection to a proper electric circuit. Make sure that the product is connected to an outlet having the same configuration as the plug. No adapter should be used with this product If the product must be reconnected for use on a different type of electric circuit, qualified service personnel should make the reconnection.

Extension Cords

Use only s 3-wire extension cord that has a 3-blade grounding plug, end a 3-slot receptacle that will accept the plug on the product. Make sure your extension cord is in good condition. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. Cords must not exceed 25 feet and No. 12 AWG size must be used. An undersized cord will

cause a drop in line voltage resulting in toss of power and overheating.

Break In Procedures

No break in procedure is required by the user. This product is factory tested to ensure proper operation and pedormance.

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Craftsman 921.166390 owner manual Installation & Assembly, Installing Wheels
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921.166390 specifications

The Craftsman 921.166390 is a versatile and durable tool that has garnered attention for its reliability and innovative features. Designed for both professionals and DIY enthusiasts, this multipurpose tool stands out in the competitive market of power tools.

One of the main features of the Craftsman 921.166390 is its powerful motor, which provides robust performance for a variety of applications. With its efficient power output, users can tackle tasks ranging from cutting and shaping materials to drilling holes and fastening components. This makes it an ideal choice for woodworking, metalworking, and home improvement projects.

The tool is equipped with an adjustable speed setting, allowing users to customize the speed according to the task at hand. This feature is particularly beneficial when working with different materials, as it helps prevent damage and ensures precision. The variable speed control gives users the flexibility to optimize performance, whether they are working with delicate materials or require high-speed cutting.

Another significant characteristic of the Craftsman 921.166390 is its ergonomic design. The tool is crafted to fit comfortably in the user’s hand, reducing fatigue during extended use. The non-slip grip promotes stability, enabling users to maintain control even in challenging working conditions. This thoughtful design is crucial for achieving accuracy while minimizing the risk of accidents.

In terms of construction, the Craftsman 921.166390 is built with high-quality materials that enhance durability and longevity. The robust housing protects the internal components from damage, ensuring the tool can withstand the rigors of daily use. Additionally, the easy-to-replace parts contribute to its maintenance, allowing users to keep the tool in optimal working condition for years to come.

The versatility of the Craftsman 921.166390 is further enhanced by its compatibility with various attachments and accessories. This allows for a wide range of applications, making it a multi-functional tool that can adapt to different tasks. Whether users need to drill, cut, or shape materials, this tool can handle it all, making it a valuable addition to any toolkit.

In summary, the Craftsman 921.166390 is characterized by its powerful motor, adjustable speed settings, ergonomic design, and robust construction. These features combine to create a reliable tool that meets the demands of various applications, making it a preferred choice among both professionals and hobbyists alike. Its ability to perform a multitude of tasks efficiently ensures that users can take on projects with confidence.
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