Harbor Freight Tools 03914 manual REV 04/03 REV 05/03

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6.Fit the machine head to the table rubber hinges (F) before placing the machine head on the corner seats. See figure 4.

7.Tilt the machine back to expose the Oil Pan (D). See figure 5.

8.Fill the Oil Pan with sewing machine lubrication oil (#7 white oil) to the “high” mark “A”.

Add more oil when the level is to the “low” mark “B”. After lubrication, and during operation, oil splashing can be seen through the Oil Sight Window (H).

9.Lower the machine head to the table top.

10.Mount the Motor to the underside of the table top as shown below. Use the supplied hardware.

Note: Top switch is for rotation. Switch left for counterclockwise; switch right for clockwise rotation.

Note: Motor is 110/220V Single Phase. Flip switch to desired voltage (no re-wiring needed). Switch

left for 110V, switch right(K) for 220V.

Note: Receptacle for 6 volt work light (not included).

11.Place the V-belt around the Sewing Machine Pulley, through the slot in the table top, and around the Motor pulley. Attach the Pulley Safety Cover.

12.Tighten the V-belt tension by adjusting the long bolt and nut at location (K). The proper tension is reached when the V-belt can only be pushed in 1/2 inch.

SKU 03914

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REV 04/03 REV 05/03

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Contents For technical questions and replacement parts, please call 03914Read all instructions before using this tool SpecificationsSafety Warnings and Precautions Save This ManualPage Sewing Safety Precautions UnpackingAssembly REV 04/03 REV 05/03 Mounting the Thread Stand REV 03/04Operation Mounting the Bobbin WinderBobbin Winder Operation Setting the Bobbin into the Bobbin Case Winding Thread Onto the BobbinAdjusting the Bobbin Thread Tension Adjusting the Stitch LengthAdjusting the Needle Thread Tension Threading the Machine HeadAdjusting the Feed Timing Setting the Hand LifterSetting the Presser Foot Pressure Changing the Thread Take-up Spring Stroke and PressureAdjusting the Height of the Feed Dog Adjusting Needle-to-hook TimingAdjusting the Thread Take-up Stroke MaintenanceAdjusting the Presser Bar Height Adjusting the Height of the Knee LifterARM BED Parts List ARM BED Assembly Drawing Main Shaft Thread TAKE-UP Parts List Main Shaft Thread TAKE-UP Assembly Drawing FABRIC--PIERCING Hook Driving Parts List FABRIC--PIERCING Hook Driving Assembly Drawing Presser BAR Parts List Presser BAR Assembly Drawing Feed Mechanism Parts List Feed Mechanism Assembly Drawing Lubrication Parts List Lubrication Assembly Drawing OIL Reservoir & Knee Lifter Assembly Drawing and Parts List Machine Head Accessories Parts List and Assembly Drawing Bobbin Winder & Thread Stand Unit Parts List Bobbin Winder & Thread Stand Unit Assembly Drawing

03914 specifications

Harbor Freight Tools is well-known for offering a wide range of affordable tools and equipment, catering to DIY enthusiasts and professionals alike. One of their standout products is the Harbor Freight Tools 03914, a versatile tool that has gained popularity for its efficiency and reliability.

The Harbor Freight Tools 03914 is primarily recognized as a compact, portable air compressor that boasts impressive specifications. It features a powerful 1 HP motor that delivers a maximum pressure of 100 PSI, making it capable of handling a variety of tasks, from inflating tires to powering pneumatic tools. Its lightweight design, weighing in at around 30 pounds, makes it easy to transport and store, which is perfect for both home use and on-the-go projects.

One of the main features of the 03914 model is its oil-free pump, which means less maintenance and no need for oil changes. This design allows for cleaner air delivery, making it suitable for applications that require an oil-free output. The air compressor also includes a 3-gallon tank that provides ample air storage, ensuring consistent performance during usage. The tank is built from durable materials, contributing to the compressor's longevity and reliability.

In terms of technology, the Harbor Freight Tools 03914 is equipped with an integrated pressure regulator and a universal quick-disconnect fitting, allowing for easy attachment of air hoses and tools. The clear pressure gauge enables users to monitor the air pressure with precision, which is essential for various projects. Additionally, it features a low-profile design that enhances stability, reducing the risk of tipping over.

The compressor's noise level is another key characteristic that sets it apart. Operating at a relatively low decibel level, it provides a quieter work environment, making it suitable for indoor use without causing disruptions. This feature appeals to those who prefer a less noisy workspace, especially in residential areas.

Overall, the Harbor Freight Tools 03914 is designed with efficiency, portability, and ease of use in mind. Its combination of powerful performance, user-friendly features, and low maintenance makes it an excellent choice for anyone in need of a reliable air compressor. Whether you're a DIY hobbyist or a professional, this compact air compressor offers the versatility and functionality to manage a wide range of tasks efficiently.
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