229-71857 Feed Bar Assembly for Jack F4 F5 F6 & Juki 8500/8700
Short Description
229-71857 Feed Bar Assembly for compatible Jack F4, F5, F6 and Juki DDL-8500/8700 series industrial sewing machines. This precision replacement assembly supports smooth feed dog movement, consistent fabric feeding, and reliable garment stitching. Suitable for cotton, polyester, knits, denim, and other apparel fabrics.
Original price was: ₹499.00.₹350.00Current price is: ₹350.00.
The 229-71857 Feed Bar Assembly is a precision replacement feed mechanism for compatible industrial single-needle lockstitch sewing machines. It supports the feed dog mounting and feed motion required for smooth, consistent fabric movement during garment stitching.
This feed bar assembly is designed for Jack F4, F5, F6 and other compatible Jack models, as well as Juki DDL-8500 and DDL-8700 series sewing machines. It is suitable for tailoring, garment production, repair work, and industrial sewing machine maintenance.
What You Get With This Feed Bar Assembly
This product includes 1 complete feed bar assembly with the feed dog mounting seat and shaft connection points. The assembly is intended as a replacement for a worn or damaged feed bar mechanism.
The 229-71857 feed bar helps maintain the correct mechanical movement of the feed dog. This supports even fabric feeding and consistent stitch formation when the sewing machine is correctly timed and adjusted.
Key Features
- Part Number: 229-71857
- Pack Quantity: 1 Set
- Precision steel feed bar assembly
- Feed dog mounting seat included
- Designed for compatible single-needle lockstitch machines
- Supports smooth and consistent fabric feeding
- Suitable for machine repair and replacement
- Designed for regular industrial sewing applications
Machine Compatibility
| Machine Type | Compatible |
|---|---|
| Jack F4 | Yes |
| Jack F5 | Yes |
| Jack F6 | Yes |
| Jack A2 / A3 / A4 / A5 / A6 | Yes |
| Juki DDL-8500 | Yes |
| Juki DDL-8700 | Yes |
| Juki DDL-8700-7 | Yes |
| Juki DDL-5550 | Yes |
| Juki DDL-8100 | Yes |
| Juki DDL-9000 Series | Yes |
| Other compatible single-needle lockstitch machines | Verify before purchase |
The assembly may also suit compatible machines from Singer, Brother, Siruba, SunStar, Typical, Zoje, and Bruce that use the same feed bar configuration. Please verify the original part number, mounting points, and dimensions before ordering.
Best Fabric Types
The feed bar assembly can support fabric feeding across a range of apparel materials when installed in a compatible machine.
- Cotton: Suitable for shirts, uniforms, and general garment sewing.
- Polyester: Supports regular synthetic garment production.
- Knits: Helps maintain controlled fabric movement with correct machine adjustment.
- Denim: Suitable for compatible denim sewing applications.
- Suiting Fabrics: Useful for controlled feeding during tailoring work.
The actual feeding performance depends on the sewing machine, feed dog, presser foot, needle, thread, and fabric thickness.
How To Use
- Switch off and unplug the sewing machine before beginning installation.
- Remove the existing feed bar assembly according to the machine service procedure.
- Position the 229-71857 feed bar assembly in the correct mounting location.
- Connect and secure the feed dog mounting and shaft connection points.
- Check the feed dog movement manually before operating the machine.
- Adjust the feed timing if required according to the machine manufacturer’s specifications.
- Test sew on a scrap piece of fabric and check stitch length and fabric movement.
Proper installation and timing are important for smooth feeding and consistent stitching.
Why Replace a Worn Feed Bar?
A worn or damaged feed bar can affect the movement of the feed dog and may contribute to inconsistent fabric feeding. Replacing the affected mechanism can help restore proper feed motion when the rest of the sewing machine is correctly adjusted.
This 229-71857 feed bar assembly is useful for sewing machine technicians, garment factories, tailoring workshops, and users maintaining compatible industrial lockstitch machines.
Frequently Asked Questions
What is a 229-71857 feed bar assembly?
The 229-71857 is a replacement feed bar assembly used in compatible industrial single-needle lockstitch sewing machines. It connects with the machine’s feed mechanism and supports the controlled movement of the feed dog for consistent fabric feeding during sewing.
Which sewing machines use the 229-71857 feed bar?
It is specified for Jack F4, F5 and F6 models and compatible Juki DDL-8500/8700 series machines. Other Jack and Juki models may also use compatible configurations. Always compare the original part number and mounting arrangement before purchasing.
Is this feed bar suitable for denim?
Yes, it can be used for denim sewing when installed in a compatible machine with suitable needle, thread, presser foot, and feed settings. For heavy denim, confirm that the complete sewing machine setup is rated for the fabric thickness before production use.
Can I use this feed bar on another brand of sewing machine?
Possibly, if the other machine uses the same feed bar configuration and mounting arrangement. Compatible configurations may occur on machines from Singer, Brother, Siruba, SunStar, Typical, Zoje, or Bruce, but compatibility should be verified before ordering.
Does the feed bar include a feed dog?
The listed product is a feed bar assembly with a feed dog mounting seat and shaft connection points. It should not be assumed to include a separate feed dog unless specifically stated in the product package details.
How do I know if this feed bar will fit my machine?
Compare your existing feed bar with the 229-71857 part number and check the mounting points, shaft connection, and overall shape. Please verify the shape and measurements of your existing part before purchasing.
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Product Description
The 229-71857 Feed Bar Assembly is a precision replacement feed mechanism for compatible industrial single-needle lockstitch sewing machines. It supports the feed dog mounting and feed motion required for smooth, consistent fabric movement during garment stitching.
This feed bar assembly is designed for Jack F4, F5, F6 and other compatible Jack models, as well as Juki DDL-8500 and DDL-8700 series sewing machines. It is suitable for tailoring, garment production, repair work, and industrial sewing machine maintenance.
What You Get With This Feed Bar Assembly
This product includes 1 complete feed bar assembly with the feed dog mounting seat and shaft connection points. The assembly is intended as a replacement for a worn or damaged feed bar mechanism.
The 229-71857 feed bar helps maintain the correct mechanical movement of the feed dog. This supports even fabric feeding and consistent stitch formation when the sewing machine is correctly timed and adjusted.
Key Features
- Part Number: 229-71857
- Pack Quantity: 1 Set
- Precision steel feed bar assembly
- Feed dog mounting seat included
- Designed for compatible single-needle lockstitch machines
- Supports smooth and consistent fabric feeding
- Suitable for machine repair and replacement
- Designed for regular industrial sewing applications
Machine Compatibility
| Machine Type | Compatible |
|---|---|
| Jack F4 | Yes |
| Jack F5 | Yes |
| Jack F6 | Yes |
| Jack A2 / A3 / A4 / A5 / A6 | Yes |
| Juki DDL-8500 | Yes |
| Juki DDL-8700 | Yes |
| Juki DDL-8700-7 | Yes |
| Juki DDL-5550 | Yes |
| Juki DDL-8100 | Yes |
| Juki DDL-9000 Series | Yes |
| Other compatible single-needle lockstitch machines | Verify before purchase |
The assembly may also suit compatible machines from Singer, Brother, Siruba, SunStar, Typical, Zoje, and Bruce that use the same feed bar configuration. Please verify the original part number, mounting points, and dimensions before ordering.
Best Fabric Types
The feed bar assembly can support fabric feeding across a range of apparel materials when installed in a compatible machine.
- Cotton: Suitable for shirts, uniforms, and general garment sewing.
- Polyester: Supports regular synthetic garment production.
- Knits: Helps maintain controlled fabric movement with correct machine adjustment.
- Denim: Suitable for compatible denim sewing applications.
- Suiting Fabrics: Useful for controlled feeding during tailoring work.
The actual feeding performance depends on the sewing machine, feed dog, presser foot, needle, thread, and fabric thickness.
How To Use
- Switch off and unplug the sewing machine before beginning installation.
- Remove the existing feed bar assembly according to the machine service procedure.
- Position the 229-71857 feed bar assembly in the correct mounting location.
- Connect and secure the feed dog mounting and shaft connection points.
- Check the feed dog movement manually before operating the machine.
- Adjust the feed timing if required according to the machine manufacturer’s specifications.
- Test sew on a scrap piece of fabric and check stitch length and fabric movement.
Proper installation and timing are important for smooth feeding and consistent stitching.
Why Replace a Worn Feed Bar?
A worn or damaged feed bar can affect the movement of the feed dog and may contribute to inconsistent fabric feeding. Replacing the affected mechanism can help restore proper feed motion when the rest of the sewing machine is correctly adjusted.
This 229-71857 feed bar assembly is useful for sewing machine technicians, garment factories, tailoring workshops, and users maintaining compatible industrial lockstitch machines.
Frequently Asked Questions
What is a 229-71857 feed bar assembly?
The 229-71857 is a replacement feed bar assembly used in compatible industrial single-needle lockstitch sewing machines. It connects with the machine’s feed mechanism and supports the controlled movement of the feed dog for consistent fabric feeding during sewing.
Which sewing machines use the 229-71857 feed bar?
It is specified for Jack F4, F5 and F6 models and compatible Juki DDL-8500/8700 series machines. Other Jack and Juki models may also use compatible configurations. Always compare the original part number and mounting arrangement before purchasing.
Is this feed bar suitable for denim?
Yes, it can be used for denim sewing when installed in a compatible machine with suitable needle, thread, presser foot, and feed settings. For heavy denim, confirm that the complete sewing machine setup is rated for the fabric thickness before production use.
Can I use this feed bar on another brand of sewing machine?
Possibly, if the other machine uses the same feed bar configuration and mounting arrangement. Compatible configurations may occur on machines from Singer, Brother, Siruba, SunStar, Typical, Zoje, or Bruce, but compatibility should be verified before ordering.
Does the feed bar include a feed dog?
The listed product is a feed bar assembly with a feed dog mounting seat and shaft connection points. It should not be assumed to include a separate feed dog unless specifically stated in the product package details.
How do I know if this feed bar will fit my machine?
Compare your existing feed bar with the 229-71857 part number and check the mounting points, shaft connection, and overall shape. Please verify the shape and measurements of your existing part before purchasing.
