Brother DB2-B773, DB2-B774, DB2-B7740, DB2-B7741, DB2-B774DB2-B7740 Specifications
DB2−B773, B774, B7740, B7741 1/21
2002.1
DB2-B773 B774
DB2-B7740 B7741
Single Needle Adjustable Top and Bottom
Feed Lock Stitcher
Single Needle Adjustable Top and Bottom
Feed Lock Stitcher
with Thread Trimmer
Single Needle Adjustable Top and Bottom
Feed Lock Stitcher
with Thread Trimmer and Ply Sensor
Single Needle Adjustable Top and Bottom Feed Lock Stitcher
with Thread Trimmer and Programmable Shirring Device
Specifications
Model DB2-B773 B774 B7740 B7741
Subclass – □□3– □□6
Use Thin medium heavy materials
Sewing speed 4,500 rpm
Max. stitch length 5.0 mm
Feed method Top & bottom feed
Height of presser foot
Knee : 13 mm
Manual : 6 mm
Automatic : 8 mm
Needle bar stroke 31.0 mm
Thread take-up stroke 57.4 mm
Height of feed dog 0.8 mm
Max. upper feed amount 6.0 mm 8.0 mm
Intermediate gathering –
{
Needle
DB × 1 #11
DB2−B773, B774, B7740, B7741 2/21
2002.1
Thread
trimmer
Ply sensor
Programmable
shirring device
Application
B773 - - -
B774 ○ --
Men’s wear: seaming sleeves, attaching facings, sewing up whole
linings, seaming back centers, seaming backs, lining
centers, seaming side, matching shoulders
Slacks: seaming sleeves, matching shoulders, attaching fasteners,
seaming sides, attaching and seaming sleeves, rolledhemming linings, attaching yokes, attaching cuffs, joining
waists
Leather jumper: seaming necks, attaching facing at back centers, lining
jeresy fonts, lining jeresy rounds
Ski anorak: sewing inside cotton for front & back shirts, front & back
shirts, sides, necks, outer & inner sleeves and front & back
bodies, attaching fasteners
B7740 ○○ -
Same applications as B773 and B774.
Especially attaching pockets, stitching collars.
B7741
○
-
○
Same applications as B773 and B774.
Especially attaching sleeves (easing).
DB2−B773, B774, B7740, B7741 3/21
2002.1
DB2-B773-00
DB2-B774- 0
DB2-B7740
-
2
DB2-B7741- 46
Gathering
3 – (Standard)
6 ○ (Gathering type)
Shirring
3 – (Standard)
6 ○ (Shirring type)
Function
Thread
trimmer
Thread wiper Quick back
Automatic presser
foot lifter
3 ○ –
○
–
4
○○ ○
–
9
○○ ○
○
(Solenoid)
Function
Thread
trimmer
Thread wiper Quick back
Automatic presser
foot lifter
4
○○ ○
–
9
○○ ○
○
(Solenoid)
Shirring device
3 – (Standard)
6 ○ (Shirring type)
Function
Thread
trimmer
Thread wiper Quick back
Automatic presser
foot lifter
4
○○ ○
–
9
○○ ○
○
(Solenoid)
DB2−B773, B774, B7740, B7741 4/21
2002.1
Feed guide device
[DB2−B773, B774]
Ref. No. Part name Part code Q’ty
1 FG guide assy
S16125−001
1
Feed guide base device
[DB2−B773, B774]
Ref. No. Part name Part code Q’ty
2 FG guide base assy
S16126−001
1
DB2−B773, B774, B7740, B7741 5/21
2002.1
Waist belt device
[DB2−B773, B774]
Ref. No. Part name Part code Q’ty
3 WB device assy
183553−001
1
DB2−B773, B774, B7740, B7741 6/21
2002.1
Edge guide device
[DB2−B774, B7740, B7741]
DB2−B773, B774, B7740, B7741 7/21
2002.1
Edge guide device
[DB2−B774, B7740, B7741]
Ref. No. Part name Part code Q’ty
1 Edge guider set S16040-009 1
1-1 Guide base assy 154635-001 1
1-1-1 Rubber cushion 154637-000 3
1-1-2 Reflection plate 154638-000 1
1-2 Guide plate lower 154639-001 1
1-3 Guide plate upper 154640-001 1
1-4 Guide cover 154641-009 1
1-5 Guide block 154642-001 1
1-6
Screw, pan M3.57 – 40 × 10
062671-012 2
1-7 Bearing support 154643-001 2
1-8 Screw, flat M3.57 102843-001 4
1-9 Guide bearing (R) 102843-004 2
1-10 Guide bearing (L) 154644-001 2
1-11
Screw, pan M3.57 – 40 × 7
154645-001 8
1-12 Space screw 062670-712 2
1-13 Knob 154646-001 2
1-14 Closing screw 154647-000 1
1-15 Spring 154648-001 3
1-16 Screw 2.38 154649-001 6
1-17 Adjust screw 122771-001 1
1-18 Point adjust shaft 154650-001 1
1-19 Spring 154651-001 1
1-20 Lever guide 156453-000 1
1-21 Screw, flat M2.38 100191-005 2
1-22 Screw, flat M3.57 102843-004 1
1-23
Screw, pan M3.57 – 40 × 5
062670-512 2
1-24 Washer, plain S3.5 025350-132 2
1-25 Guide bracket 154654001 1
1-26 Auxiliary upper plate 154655-000 1
1-27 Upper plate collar 154656-001 1
1-28 Spacer 154657-001 1
1-29 Screw 154623-001 1
1-30 Screw, flat M2.38 100191-005 2
1-31 Washer, spring 2 – 3.5 028350-242 2
1-32
Screw, pan M3.57 – 40 × 7
062670-712 2
1-33 Closing lever supporter S15904-001 1
1-34 Closing lever S15905-001 1
1-35
Screw, pan M3.57 – 40 × 8
062670-812 1
1-36
Screw, pan M3.57 – 40 × 4
062670-412 1
Loading...