Contents | Pfaff 483, 481 specification

Contents
		Page
	Checking and adjustment aid	3
1	Preliminary adjustment of the needle height	4
2	Zeroing the feed motion	5-6
3	Zeroing the needle feed motion (not applicable to PFAFF 483)	7
4	Feed lifting motion	8
5	Feed dog height	9
6	Feed driving motion	10
7	Timing the needle feed motion (not applicable to PFAFF 483)	11
8	Centering the needle in the needle hole	12-13
9	Eccentric hook shaft bearing and hook-to-needle clearance	14
10	Needle rise, final adjustment of needle height and bobbin case positioning finger . 15
11	Vertical position of bobbin case opener	16
12	Position of bobbin case opener	17
13	Timing the bobbin case opener	18
14	Clearance between presser foot and needle plate	19
15	Eliminating feed differences (not applicable to PFAFF 483)	20
16	Tension release mechanism	21
17	Thread check spring and thread regulator	22
18	Knee lever resting position	23
19	Knee lever play	24
20	Adjusting the knee lever motion	25
21	Bobbin winder	26
22	Limiting the stitch length	27
23	Matching forwards and reverse stitch lengths	28
24	Presser foot pressure	29
		PFAFF 2

481, 483 specifications

The Pfaff 481 and 483 are renowned industrial sewing machines celebrated for their robust construction and advanced features tailored for heavy-duty sewing applications. These models are particularly favored in industries dealing with leather, canvas, and other heavy materials, making them ideal for manufacturing products like bags, belts, and upholstery.

Both the Pfaff 481 and 483 share a powerful sewing mechanism that operates at high speeds, enhancing productivity in industrial settings. They are equipped with a walking foot system that ensures even feeding of multiple layers of thick materials, significantly reducing the risk of puckering or uneven stitches. This feature is essential when dealing with bulky fabrics, as it allows for consistent stitching quality across varying thicknesses.

One of the main characteristics of these models is their superior stitch quality. The Pfaff 481 and 483 utilize a high-quality needle bar that delivers precise needle penetration and minimizes thread breakage. Their stitch length can be easily adjusted, allowing for versatile applications from heavy tacking to delicate decorative stitches. Additionally, these machines support various stitch styles, including straight, zigzag, and overlock stitches, providing versatility for diverse sewing projects.

In terms of technology, the Pfaff 481 and 483 incorporate a clutch motor that delivers reliable power without compromising on performance. This motor is designed to handle heavy workloads, making the machines suitable for continuous use in demanding environments. The user-friendly interface and easy-to-navigate controls ensure that operators can quickly adjust settings according to their specific needs.

Moreover, both models are built with durability in mind. The heavy-duty metal framework provides stability during operation, which contributes to the longevity of the machines. Maintenance is also straightforward, with easily accessible parts that promote efficiency when servicing or replacing components.

In conclusion, the Pfaff 481 and 483 are exemplary industrial sewing machines known for their durability, advanced features, and high-quality performance. Their ability to handle tough materials and diverse sewing techniques makes them invaluable tools for professionals in the textile and manufacturing industries. Whether for leather work or heavy fabrics, these models deliver reliable results, ensuring that users can achieve their desired outcomes with ease and precision.