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Instruction Manual
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 -
Thread trimmer
Quick reverse
Specifications
Specification
Application
No. of needles
Max. sewing speed
Max. stitch length
Presser bar lifter
Height of
presser foot
Knee lifter
Height of feed dog
Hook
Needle
Standard needle gauge
Sewing speed table
Walking foot movement amount
Less than 3.5 mm
3.5 - 5.5 mm
*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
Solenoid
Solenoid
877A
005
Medium, heavy, and extra heavy materials
1
3,000 rpm
Double horizontal rotary hook (vertical axis)
DP 17
#23
Sewing speed
877A, 877B
3,000 rpm
2,000 rpm
2002.11
Specifications
005
305
877B
878A
305
005
8 mm
11 mm
16 mm
1 mm
DP 17
DP 17
#22
#23
3.2mm (1/8), 4.8 mm (3/16), 6.4 mm (1/4), 9.5
mm (3/8), 12.7 mm (1/2), 15.9 mm (5/8), 25.4 mm
878A, 878B
2,500 rpm
SU-877A, 877B, TU-878A, 878B 1/7
878B
305
2
2,500 rpm
DP 17
#22
(1)
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Summary of Contents for Brother SU-877A
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Page 1: Specifications
*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. SU-877A, 877B, TU-878A, 878B 1/7 2002.11... - Page 2 SU-877 GAUGE PARTS LIST For standard of SU-877A (Standard parts) Needle plate Feed dog Inner p-foot assy Walking foot 150959-001 150960-001 183181-101 150962-001 For Thread trimmer of SU-877B (Standard parts) Needle plate assy, TR Feed dog Inner p-foot assy Walking foot...
- Page 3 Curved welting feet Walking foot Inner p-foot assy 4.8 mm 151548-001 183022-001 6.4 mm 151550-001 183023-001 7.9 mm 151552-001 183024-001 9.5 mm 151554-001 183025-001 12.7 mm 151556-001 183026-001 *Value in the list is welting width. SU-877A, 877B, TU-878A, 878B 3/7 2002.11...
- Page 4 Feet with teeth, right Walking foot Inner p-foot assy 151564-001 183030-001 Feet with teeth, left Walking foot Inner p-foot assy 151566-001 183031-001 Narrow type feet for leather Walking foot Inner p-foot assy 151568-001 183032-001 SU-877A, 877B, TU-878A, 878B 4/7 2002.11...
- Page 5 12.7 mm 153891-001 153892-001 183099-01 183100-201 153895-001 15.9 mm 153896-001 153897-001 183101-001 183102-201 153900-001 19.1 mm 153901-001 153902-001 183103-001 183104-201 153905-001 25.4 mm 153906-001 153907-001 183105-001 183106-201 153910-001 *Value in the list is needle gauge. SU-877A, 877B, TU-878A, 878B 5/7 2002.11...
- Page 6 9.5 mm S50616-001 S50602-001 183097-001 183098-201 153890-001 12.7 mm S50618-001 S50603-001 183099-001 183100-201 153895-001 15.9 mm S50620-001 S50604-001 183101-001 183102-001 153900-001 19.1 mm S50622-001 S50605-001 183103-001 183104-201 153905-001 *Value in the list is needle gauge. SU-877A, 877B, TU-878A, 878B 6/7 2002.11...
- Page 7 TU-878 GAUGE PARTS LIST For Thread trimmer of TU-878B Needle plate Feed dog Needle clamp assy Inner p-foot assy Walking foot 25.4 mm S50624-001 S50606-001 183105-001 183106-201 153910-001 *Value in the list is needle gauge. SU-877A, 877B, TU-878A, 878B 7/7 2002.11...