Brother SU-877A User manual

SU-877A, 877B, TU-878A, 878B 1/7

2002.11

SU-877A

SU-877B

TU-878A

TU-878B

Single Needle Unison Feed Lock Stitcher with Large Hook

Single Needle Unison Feed Lock Stitcher with Large Hook and Thread Trimmer

Twin Needle Unison Feed Lock Stitcher with Large Hook

Twin Needle Unison Feed Lock Stitcher with Large Hook and Thread Trimmer

SU-877 -

TU-878 -

Specifications 877A 877B 878A 878B

Specification 005 305 005 305

Application Medium,heavy,andextraheavymaterials

No.ofneedles 1 2

Max.sewingspeed 3,000rpm 2,500rpm

Max.stitchlength 8mm

Presserbarlifter 11mm

Heightof

presserfoot Kneelifter 16mm

Heightoffeeddog 1mm

Hook Doublehorizontalrotaryhook(verticalaxis)

Needle DP ×17

#23 DP ×17

#22 DP ×17

#23 DP ×17

#22

Standardneedlegauge 3.2mm(1/8),4.8mm(3/16),6.4mm(1/4),9.5

mm(3/8),12.7mm(1/2),15.9mm(5/8),25.4mm

(1)

Sewing speed table Sewing speed

Walking foot movement amount 877A, 877B 878A, 878B

Less than 3.5 mm 3,000 rpm 2,500 rpm

3.5 - 5.5 mm 2,000 rpm

*Set the sewing speed to the value which is equal to or less than the value shown in the table in accordance with the walking

foot movement amount setting. Furthermore, if sewing with a stitch length of 6 mm or more, set the sewing speed to 2,000

rpm or less.

A B

Thread trimmer Solenoid

Quick reverse Solenoid

Specifications

005

305

SU-877A, 877B, TU-878A, 878B 2/7

2002.11

SU-877 GAUGE PARTS LIST

For standard of SU-877A (Standard parts)

Needleplate Feeddog Innerp-footassy Walking foot

150959-001 150960-001 183181-101 150962-001

For Thread trimmer of SU-877B (Standard parts)

Needleplateassy, TR Feeddog Innerp-footassy Walking foot

156374-001 156376-001 183007-201 150962-001

Welting feet Walking foot Innerp-footassy

3.2mm 151520-001 4.0mm 151522-001 4.8mm 151524-001 183008-001

6.4mm 151526-001 7.9mm 151528-001 9.5mm 151530-001

12.7mm 151532-001 183014-001

15.9mm 151534-001 183015-001

Welting feet with teeth on inner p-foot assy

Walking foot Innerp-footassy

4.8mm 151536-001 183016-001

6.4mm 151538-001 183017-001

7.9mm 151540-001 183018-001

*Valuein thelist is welting width.

SU-877A, 877B, TU-878A, 878B 3/7

2002.11

SU-877 GAUGE PARTS LIST

Welting feet with teeth on inner p-foot assy

Walking foot Innerp-footassy

4.8mm 151542-001 183019-001

6.4mm 151544-001 183020-001

7.9mm 151546-001 183021-001

Curved welting feet Walking foot Innerp-footassy

4.8mm 151548-001 183022-001

6.4mm 151550-001 183023-001

7.9mm 151552-001 183024-001

9.5mm 151554-001 183025-001

12.7mm

151556-001 183026-001

*Valuein thelist is welting width.

SU-877A, 877B, TU-878A, 878B 4/7

2002.11

SU-877 GAUGE PARTS LIST

Double welting feet Walking foot Innerp-footassy

4.8mm 151588-001 183027-001

6.4mm 151560-001 183028-001

9.5mm 151562-001 183029-001

*Valuein thelist is welting width.

Feet with teeth, right Walking foot Innerp-footassy

151564-001 183030-001

Feet with teeth, left Walking foot Innerp-footassy

151566-001 183031-001

Narrow type feet for leather

Walking foot Innerp-footassy

151568-001 183032-001

SU-877A, 877B, TU-878A, 878B 5/7

2002.11

TU-878 GAUGE PARTS LIST

TU-878A For standard of TU-878A

Needleplate Feeddog Needleclampassy Innerp-footassy Walking foot

3.2mm 158429-001 158430-001 183190-001 183191-201 158431-001

4.8mm

S13585-001

S13588-001 S13628-001 S13629-201 S13587-001

6.4mm 153881-001 153882-001 183095-001 183096-201 153885-001

9.5mm

153886-001

153887-001 183097-001 183098-201 153890-001

12.7mm 153891-001 153892-001 183099-01 183100-201 153895-001

15.9mm 153896-001 153897-001 183101-001 183102-201 153900-001

19.1mm 153901-001 153902-001 183103-001 183104-201 153905-001

25.4mm 153906-001 153907-001 183105-001 183106-201 153910-001

*Valuein thelist is needle gauge.

SU-877A, 877B, TU-878A, 878B 6/7

2002.11

TU-878 GAUGE PARTS LIST

TU-878B For Thread trimmer of TU-878B

Needleplate Feeddog Needleclampassy Innerp-footassy Walking foot

3.2mm S50610-001 S50601-001 183190-001 183191-201 158431-001

4.8mm

S50612-001

S50608-001 S13628-001 S13629-201 S13587-001

6.4mm S50614-001 S50607-001 183095-001 183096-201 153885-001

6.4mm

S50626-001

ForKevlarthread

9.5mm S50616-001 S50602-001 183097-001 183098-201 153890-001

12.7mm S50618-001 S50603-001 183099-001 183100-201 153895-001

15.9mm S50620-001 S50604-001 183101-001 183102-001 153900-001

19.1mm S50622-001 S50605-001 183103-001 183104-201 153905-001

*Valuein thelist is needle gauge.

SU-877A, 877B, TU-878A, 878B 7/7

2002.11

TU-878 GAUGE PARTS LIST

For Thread trimmer of TU-878B

Needleplate Feeddog Needleclampassy Innerp-footassy Walking foot

25.4mm S50624-001 S50606-001 183105-001 183106-201 153910-001

*Valuein thelist is needle gauge.

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