Parts Manual - English
Page 2
MADE IN JAPAN ® -5 : F/ Standard -305: #;4,139+4 vM•yan/ Thread trimmer + Quick reverse (Solenoid type) MADE IN JAPAN 2*St*Illgitig tVE:: Twin needle unison feed lock stitcher with large hook BROTHER INDUSTRIES, LTD. 1 *Sitattirig / Single needle unison feed lock stitcher with large hook BROTHER INDUSTRIES, LTD. • LT2-B878- LS2-B877-
MADE IN JAPAN ® -5 : F/ Standard -305: #;4,139+4 vM•yan/ Thread trimmer + Quick reverse (Solenoid type) MADE IN JAPAN 2*St*Illgitig tVE:: Twin needle unison feed lock stitcher with large hook BROTHER INDUSTRIES, LTD. 1 *Sitattirig / Single needle unison feed lock stitcher with large hook BROTHER INDUSTRIES, LTD. • LT2-B878- LS2-B877-
Parts Manual - English
Page 4
... based on page 45-50. Presser foot mechanism 7 E. Upper feed mechanism 13 H. Feed shaft mechanism 37 Q. Tension release mechanism (Thread trimmer) 37 R. Gauge parts List (B877) 45 Gat. Notes for using this parts book 1. Needle bar rocking mechanism 5 D. Gauge parts 15 J1. Rotary hook mechanism (B878) 21 K. Lubrication 25 Ml. Threading mechanism (B878) 31 N. Quick reverse switch mechanism (Thread trimmer) 39 Z. Gauge parts List (B877) 46 Ga3. Gauge parts List (B878:Thread trimmer) 50 Wa. Warning labels...
... based on page 45-50. Presser foot mechanism 7 E. Upper feed mechanism 13 H. Feed shaft mechanism 37 Q. Tension release mechanism (Thread trimmer) 37 R. Gauge parts List (B877) 45 Gat. Notes for using this parts book 1. Needle bar rocking mechanism 5 D. Gauge parts 15 J1. Rotary hook mechanism (B878) 21 K. Lubrication 25 Ml. Threading mechanism (B878) 31 N. Quick reverse switch mechanism (Thread trimmer) 39 Z. Gauge parts List (B877) 46 Ga3. Gauge parts List (B878:Thread trimmer) 50 Wa. Warning labels...
Parts Manual - English
Page 9
... Thread trimmer> CORD HOLDER, L CORD HOLDER, L 25 548692001 1 * -1 26 062680612 3 1-N M 437-40X6 27 150897001 1 7/0J -fl I )»> 21 507327001 2 -IzvI-ItIL 23 507327001 1 m-- A . ±f4IViig / Machine body / Maschinengehause / Corps de la machine / Cuerpo de la maquina REF.NO. z,:-•/' IJ DPX17 NEEDLE, DPX17 (#23) 10 S48691001 1 */ z. BUTTON 11 103607000 1 t .,7 -ar"- * :,ii.t. CODE Q'TY e :.,.?( -f NAME OF PARTS RM 2 113386000 1 iNIJ-r -f**?t t: POSITINING PIN 3 S07316009 1 )c . -r 9 FACE PLATE...
... Thread trimmer> CORD HOLDER, L CORD HOLDER, L 25 548692001 1 * -1 26 062680612 3 1-N M 437-40X6 27 150897001 1 7/0J -fl I )»> 21 507327001 2 -IzvI-ItIL 23 507327001 1 m-- A . ±f4IViig / Machine body / Maschinengehause / Corps de la machine / Cuerpo de la maquina REF.NO. z,:-•/' IJ DPX17 NEEDLE, DPX17 (#23) 10 S48691001 1 */ z. BUTTON 11 103607000 1 t .,7 -ar"- * :,ii.t. CODE Q'TY e :.,.?( -f NAME OF PARTS RM 2 113386000 1 iNIJ-r -f**?t t: POSITINING PIN 3 S07316009 1 )c . -r 9 FACE PLATE...
Parts Manual - English
Page 15
..../t- SPRING, EXTENSION SPRING, EXTENSION - 22 062671412 1 tiW357-40X14 SCREW, PAN SM3.57-40X14 - -. 23 O2167O1O2 1 J-T./ I fl ,u BUSH, U ;P-BAR 30 014680622 1 77-t l- .g * 14.377 * S.. ADJUSTING NUT, ;PRESSER 5 548703001 1 A-Itris*T>ti SPRING GUIDE 6 548704001 1 71- CODE Q'TY e :..-)4 -I NAME OF PARTS RM 1 145472001 1 21- 7- LIFTER LEVER, ;P-BAR 17 507349001 1 t-nyin."-i7 LIFTER SHAFT, ;P-BAR 18 507350001 1 1191* WASHER 19 521775001 1 -t v h il ,- / Z SET SCREW COLLAR ASSY 19-1 139096001 1 tti F927-- SET SCREW, SOCKET...
..../t- SPRING, EXTENSION SPRING, EXTENSION - 22 062671412 1 tiW357-40X14 SCREW, PAN SM3.57-40X14 - -. 23 O2167O1O2 1 J-T./ I fl ,u BUSH, U ;P-BAR 30 014680622 1 77-t l- .g * 14.377 * S.. ADJUSTING NUT, ;PRESSER 5 548703001 1 A-Itris*T>ti SPRING GUIDE 6 548704001 1 71- CODE Q'TY e :..-)4 -I NAME OF PARTS RM 1 145472001 1 21- 7- LIFTER LEVER, ;P-BAR 17 507349001 1 t-nyin."-i7 LIFTER SHAFT, ;P-BAR 18 507350001 1 1191* WASHER 19 521775001 1 -t v h il ,- / Z SET SCREW COLLAR ASSY 19-1 139096001 1 tti F927-- SET SCREW, SOCKET...
Parts Manual - English
Page 17
...- -,Y.g . fi t, SHAFT, ; E . F.h.c.:77I) >.,' NEEDLE BEARING 5 155451321 1 X-1/\.11•>>> 1):--*9Vk LEVEL FEED ECCENTRIC WHEEL W/S 5-1 014771022 2 7* h X * 96.35h * 53 SET SCREW, SOCKET (CP) SM6.35 8 143613051 1 7-r",-(73-yury5iv:,-, LINK, ; l./0-ituk/1.',. m SUPPORT PLATE 13-4 521514101 1 '9X*94.76 SCREW, SM4.76 13-5 108549001 1 o V > / 0 RING 14 5495321O1 1 9. -f 17 8.1:1 -%91., /- LOCK LEVER, ;DIAL 15 539830101 1 0 -/ t )L D Yh wc-iy* SPRING 18 550098001 1 x U -r 4' Ac t'i POSITINING PIN 19 100328001 1 x₹...
...- -,Y.g . fi t, SHAFT, ; E . F.h.c.:77I) >.,' NEEDLE BEARING 5 155451321 1 X-1/\.11•>>> 1):--*9Vk LEVEL FEED ECCENTRIC WHEEL W/S 5-1 014771022 2 7* h X * 96.35h * 53 SET SCREW, SOCKET (CP) SM6.35 8 143613051 1 7-r",-(73-yury5iv:,-, LINK, ; l./0-ituk/1.',. m SUPPORT PLATE 13-4 521514101 1 '9X*94.76 SCREW, SM4.76 13-5 108549001 1 o V > / 0 RING 14 5495321O1 1 9. -f 17 8.1:1 -%91., /- LOCK LEVER, ;DIAL 15 539830101 1 0 -/ t )L D Yh wc-iy* SPRING 18 550098001 1 x U -r 4' Ac t'i POSITINING PIN 19 100328001 1 x₹...
Parts Manual - English
Page 23
... P-FOOT ASSY SCREW, PAN SM4.37-40X6 WALKING FOOT WALKING FOOT SCREW, SM3.57 1 156374001 1 R IJ -f 7 z: 1-1 148708101 1 --ri'prItsic* 1-2 148709001 1 t i x E' > 2 158384001 2 # -, * 54.37 3 156376001 1 4- 7 UR 4 116283001 2 i x*53.18 5 183007201 1 *b' - -iii 5 0 1 tt7titi/14 5-1 062680612 1 */ 4.37-40X6 7 150962001 1 •.) F ,1- x.),( * NEEDLE PLATE ASSY, TR SPRING PIN SCREW, FLAT SM4.37 FEED DOG SCREW, SM3.18 INNER P-FOOT ASSY, TR INNER P-FOOT ASSY SCREW, PAN SM4.37-40X6 WALKING FOOT WALKING FOOT SCREW, SM3.57 "OPTION PARTS" SPRING 0- FR...
... P-FOOT ASSY SCREW, PAN SM4.37-40X6 WALKING FOOT WALKING FOOT SCREW, SM3.57 1 156374001 1 R IJ -f 7 z: 1-1 148708101 1 --ri'prItsic* 1-2 148709001 1 t i x E' > 2 158384001 2 # -, * 54.37 3 156376001 1 4- 7 UR 4 116283001 2 i x*53.18 5 183007201 1 *b' - -iii 5 0 1 tt7titi/14 5-1 062680612 1 */ 4.37-40X6 7 150962001 1 •.) F ,1- x.),( * NEEDLE PLATE ASSY, TR SPRING PIN SCREW, FLAT SM4.37 FEED DOG SCREW, SM3.18 INNER P-FOOT ASSY, TR INNER P-FOOT ASSY SCREW, PAN SM4.37-40X6 WALKING FOOT WALKING FOOT SCREW, SM3.57 "OPTION PARTS" SPRING 0- FR...
Parts Manual - English
Page 49
... WRENCH, 2 HEXAGONAL WRENCH, 3 NEEDLE ASSY, DPX17 (#23) NEEDLE, DPX17 (#23) ---- - - ipek., 1 -f F-74-:2. 9 1 .1 F-747A-7 1 v)i)L 5 l- )4*72.4.37X5 1 i )4* 3.18 1 1-. -*P.3.18 1 -f F74.9.01,777 -15->F1$ 1 7--,'• 357-40X3.5 2 vitr. jA 1 -r htirn* HEAD REST OIL TANK BOBBIN WINDER ASSY DISC, TENSION TENSION SPRING NUT, TENSION PIN SPRING BOBBIN WINDER SHAFT WHEEL B-WINDER SET SCREW, (FT) SM4.37X5 SCREW, 5M3.18-40X14 SHOULDER SCREW, SM3.18 STOPPER, ; CODE QTY t ># -I ) AI > 2 *b-:.- Z. rtmemn /Accessories / Zubehor/ Access& res...
... WRENCH, 2 HEXAGONAL WRENCH, 3 NEEDLE ASSY, DPX17 (#23) NEEDLE, DPX17 (#23) ---- - - ipek., 1 -f F-74-:2. 9 1 .1 F-747A-7 1 v)i)L 5 l- )4*72.4.37X5 1 i )4* 3.18 1 1-. -*P.3.18 1 -f F74.9.01,777 -15->F1$ 1 7--,'• 357-40X3.5 2 vitr. jA 1 -r htirn* HEAD REST OIL TANK BOBBIN WINDER ASSY DISC, TENSION TENSION SPRING NUT, TENSION PIN SPRING BOBBIN WINDER SHAFT WHEEL B-WINDER SET SCREW, (FT) SM4.37X5 SCREW, 5M3.18-40X14 SHOULDER SCREW, SM3.18 STOPPER, ; CODE QTY t ># -I ) AI > 2 *b-:.- Z. rtmemn /Accessories / Zubehor/ Access& res...
Parts Manual - English
Page 52
...9mm R 7.5 14/40r/IfT- 4 .-"Hgl341PI(M14.8) / Welting feet with teeth on inner p-foot assy *t4=/ Walking foot 0011lImal / Inner p-foot assy 151536-001 '3, 183016-001 02.7 • 0 R3.2...para piezas normales. 45 183018-001 1.8 8.2 U 0' 02.7 _ R3.2 2.4 8.2 118-W77-Gal o 1 6 \'' 77 < For Thread trimmer of B877 > gm/ Needle plate A A V * / Feed dog 150959-001 150960-001 3.5 e . 2.3 * irktftlx.n. / Inner p-foot assy * 41#4r/ Walking foot % 183181-101 W IO 150962-001 1'. Gal . (8877) / Gauge parts List (B877) / Lehrenliste (B877) / Liste des Pieces decartment (B877...
...9mm R 7.5 14/40r/IfT- 4 .-"Hgl341PI(M14.8) / Welting feet with teeth on inner p-foot assy *t4=/ Walking foot 0011lImal / Inner p-foot assy 151536-001 '3, 183016-001 02.7 • 0 R3.2...para piezas normales. 45 183018-001 1.8 8.2 U 0' 02.7 _ R3.2 2.4 8.2 118-W77-Gal o 1 6 \'' 77 < For Thread trimmer of B877 > gm/ Needle plate A A V * / Feed dog 150959-001 150960-001 3.5 e . 2.3 * irktftlx.n. / Inner p-foot assy * 41#4r/ Walking foot % 183181-101 W IO 150962-001 1'. Gal . (8877) / Gauge parts List (B877) / Lehrenliste (B877) / Liste des Pieces decartment (B877...
Parts Manual - English
Page 56
... a,. -V I ° 02.4 3.8 23.8 0 153905-001 o 118-U78-Ga5 Ga5 . (8878: .t3) / Gauge parts List (B878:Thread trimmer) / Lehrenliste (8878:Fadenabschneider) / Liste des Pieces decartment (B878:Coupe-fil) / Lista d'ePiezas de calibradores(B878:Cortahilos) / Needle plate assy i 'JMI Feed dog tnift/ Needle clamp assy tt, =Kt / Inner p-foot assy 414.m/ Walking foot S50610-001 S50601-001 183190-001 183191-201 158431-001 - ' . 3.2mm S50612...
... a,. -V I ° 02.4 3.8 23.8 0 153905-001 o 118-U78-Ga5 Ga5 . (8878: .t3) / Gauge parts List (B878:Thread trimmer) / Lehrenliste (8878:Fadenabschneider) / Liste des Pieces decartment (B878:Coupe-fil) / Lista d'ePiezas de calibradores(B878:Cortahilos) / Needle plate assy i 'JMI Feed dog tnift/ Needle clamp assy tt, =Kt / Inner p-foot assy 414.m/ Walking foot S50610-001 S50601-001 183190-001 183191-201 158431-001 - ' . 3.2mm S50612...
Instruction Manual - English and Spanish
Page 16
.... Replacing the rotary hook 91 13-2. OPTIONAL PARTS 5 4. Checking the machine pulley rotating direction 23 6. Adjusting the stitch length 35 6-7. THREAD TENSION 39 8-1. Needle to rotary hook point gap 59 10-5-2. Tension Release (-305 67 10-7. INSTALLING OPTIONAL PARTS 90 13-1. Installing the knee lifter assembly 12 5-4. Lowering the suction tube 18 5-10. SEWING 37 7-1. Adjusting the walking foot, inner presser foot and needle timing 66 10-6. TROUBLESHOOTING GUIDE 100 LS2-B877, LT2-B878 (English) Installing the machine head 11 5-3. PREPARATION BEFORE SEWING...
.... Replacing the rotary hook 91 13-2. OPTIONAL PARTS 5 4. Checking the machine pulley rotating direction 23 6. Adjusting the stitch length 35 6-7. THREAD TENSION 39 8-1. Needle to rotary hook point gap 59 10-5-2. Tension Release (-305 67 10-7. INSTALLING OPTIONAL PARTS 90 13-1. Installing the knee lifter assembly 12 5-4. Lowering the suction tube 18 5-10. SEWING 37 7-1. Adjusting the walking foot, inner presser foot and needle timing 66 10-6. TROUBLESHOOTING GUIDE 100 LS2-B877, LT2-B878 (English) Installing the machine head 11 5-3. PREPARATION BEFORE SEWING...
Instruction Manual - English and Spanish
Page 26
... y lo suficientemente fuerte como para soportar el peso y las vibraciones de la máquina de coser. • Realizar los cortes y perforaciones indicados en la figura a continuación. TABLE DE TRAVAIL ET MOTEUR (-5) 4. Head rest hole Loch für Oberteilstütze Trou du support de tête Orificio de apoyo de cabeza Motor mounting holes Motormontagelöcher Trous...
... y lo suficientemente fuerte como para soportar el peso y las vibraciones de la máquina de coser. • Realizar los cortes y perforaciones indicados en la figura a continuación. TABLE DE TRAVAIL ET MOTEUR (-5) 4. Head rest hole Loch für Oberteilstütze Trou du support de tête Orificio de apoyo de cabeza Motor mounting holes Motormontagelöcher Trous...
Instruction Manual - English and Spanish
Page 31
... der Schraube e. 1. r t 2. Installing the knee lifter assembly 5-3. Instalación del conjunto del levantador de rodilla w e 1. Place the knee lifter assembly q onto the knee lifter bar w on the oil pan, and then secure it by using the presser bar lifter r. 2. Adjust the knee lifter. 1) Turn the machine pulley so that the feed dog is below the top of the needle plate. 2) Lower the presser foot t by tightening the...
... der Schraube e. 1. r t 2. Installing the knee lifter assembly 5-3. Instalación del conjunto del levantador de rodilla w e 1. Place the knee lifter assembly q onto the knee lifter bar w on the oil pan, and then secure it by using the presser bar lifter r. 2. Adjust the knee lifter. 1) Turn the machine pulley so that the feed dog is below the top of the needle plate. 2) Lower the presser foot t by tightening the...
Instruction Manual - English and Spanish
Page 37
...is not lowered, the lubricating oil will not recirculate, which could cause the sewing machine to secure the cover e. Loosen the screw w. 2. NOTA: Si el tubo de succión q no se baja, el aceite lubricante no se mueva. 18 LS2-B877, LT2-B878 Aflojar el tornillo w. 2. Installing the ...2. Instalación del soporte del carrete Assemble the cotton stand q while referring to the cotton stand instruction manual, and then install the cotton stand q to the right. (The suction tube q should face downward.) 3. Apretar el tornillo w para asegurar la cubierta e. 5-10. bobine ...
...is not lowered, the lubricating oil will not recirculate, which could cause the sewing machine to secure the cover e. Loosen the screw w. 2. NOTA: Si el tubo de succión q no se baja, el aceite lubricante no se mueva. 18 LS2-B877, LT2-B878 Aflojar el tornillo w. 2. Installing the ...2. Instalación del soporte del carrete Assemble the cotton stand q while referring to the cotton stand instruction manual, and then install the cotton stand q to the right. (The suction tube q should face downward.) 3. Apretar el tornillo w para asegurar la cubierta e. 5-10. bobine ...
Instruction Manual - English and Spanish
Page 64
... LS2-B877, LT2-B878 8. TENSION DU FIL 8. Adjusting the walking foot and inner presser foot 8-4. Attendre que le moteur se soit complètement arrêté avant de commencer le travail. TENSION DEL HILO 8-4. Mettre l'interrupteur d'alimentation sur la position d'arrêt avant de régler le pied presseur alternatif et le pied presseur intérieur, sinon la machine risquera...
... LS2-B877, LT2-B878 8. TENSION DU FIL 8. Adjusting the walking foot and inner presser foot 8-4. Attendre que le moteur se soit complètement arrêté avant de commencer le travail. TENSION DEL HILO 8-4. Mettre l'interrupteur d'alimentation sur la position d'arrêt avant de régler le pied presseur alternatif et le pied presseur intérieur, sinon la machine risquera...
Instruction Manual - English and Spanish
Page 69
... power cord from the wall outlet at the following times, otherwise the machine may operate if the treadle is depressed by qualified personnel. Wenn die Maschine nicht ausgeschaltet wird, kann sie sich durch unbeabsichtigtes Drücken des Pedals in injury. • When carrying out inspection, adjustment and maintenance • When replacing consumable parts such as the rotary hook * When using the machine...
... power cord from the wall outlet at the following times, otherwise the machine may operate if the treadle is depressed by qualified personnel. Wenn die Maschine nicht ausgeschaltet wird, kann sie sich durch unbeabsichtigtes Drücken des Pedals in injury. • When carrying out inspection, adjustment and maintenance • When replacing consumable parts such as the rotary hook * When using the machine...
Instruction Manual - English and Spanish
Page 94
...Install the rear cover w. Entfernen Sie die hintere Abdeckung w. 2. STANDARDEINSTELLUNGEN 10. Cambio de la resistencia del levantador de rodilla • If the installation position for the connecting rod q is changed from screw hole A to screw hole B, the heaviness when the knee lifter is pressed decreases by about 20%. (However, the presser foot lift height drops from screw hole A. 3. der screw...ADJUSTMENTS 10. REGLAGES STANDARD 10. Fett auftragen Appliquer de la graisse. s Changeover method 1. Remove the rear cover w. 2. Install the connecting rod q to screw hole ...
...Install the rear cover w. Entfernen Sie die hintere Abdeckung w. 2. STANDARDEINSTELLUNGEN 10. Cambio de la resistencia del levantador de rodilla • If the installation position for the connecting rod q is changed from screw hole A to screw hole B, the heaviness when the knee lifter is pressed decreases by about 20%. (However, the presser foot lift height drops from screw hole A. 3. der screw...ADJUSTMENTS 10. REGLAGES STANDARD 10. Fett auftragen Appliquer de la graisse. s Changeover method 1. Remove the rear cover w. 2. Install the connecting rod q to screw hole ...
Instruction Manual - English and Spanish
Page 119
...; Is the power cord disconnected? • Is the V-belt installed? If the bobbin is incorrect, install the needle correctly. • Is the machine properly threaded? Clean the rotary hook. • Is the upper thread tension too strong or too weak? LS2-B877, LT2-B878 (English) 100 FEHLERSUCHE 15. Page - - 14 2. Poor thread tightening 3. Adjust the operating range of the thread take -up spring. • Is the upper thread tension and/or lower thread tension too low? If...
...; Is the power cord disconnected? • Is the V-belt installed? If the bobbin is incorrect, install the needle correctly. • Is the machine properly threaded? Clean the rotary hook. • Is the upper thread tension too strong or too weak? LS2-B877, LT2-B878 (English) 100 FEHLERSUCHE 15. Page - - 14 2. Poor thread tightening 3. Adjust the operating range of the thread take -up spring. • Is the upper thread tension and/or lower thread tension too low? If...
Instruction Manual - English and Spanish
Page 120
... sewing speed. • Is the upper feed timing incorrect? Adjust the walking foot, inner presser foot and needle timing. 66 101 LS2-B877, LT2-B878 (English) If the needle tip is incorrect, thread the thread correctly. • Is the sewing speed too fast? tion manual 6. place it is 1 mm above the needle plate at the sewing start? Adjust so that the feed dog is incorrect, install the needle correctly. • Is the machine properly threaded? 15. If it 14 is being used , skipped stitches...
... sewing speed. • Is the upper feed timing incorrect? Adjust the walking foot, inner presser foot and needle timing. 66 101 LS2-B877, LT2-B878 (English) If the needle tip is incorrect, thread the thread correctly. • Is the sewing speed too fast? tion manual 6. place it is 1 mm above the needle plate at the sewing start? Adjust so that the feed dog is incorrect, install the needle correctly. • Is the machine properly threaded? 15. If it 14 is being used , skipped stitches...
Instruction Manual - English and Spanish
Page 121
... there too much thread wound onto the bobbin? GUIA PARA LA LOCALIZACION DE FALLAS Where to install them correctly. 92 9. The bobbin winding amount should not be more than the light-alloy bobbins specified by Brother. 29 · 30 26 28 29 · 30 28 LS2-B877, LT2-B878 (English) 102 Adjust the positions of the movable knives damaged or bent? Upper thread trimming errors (-305) 15...
... there too much thread wound onto the bobbin? GUIA PARA LA LOCALIZACION DE FALLAS Where to install them correctly. 92 9. The bobbin winding amount should not be more than the light-alloy bobbins specified by Brother. 29 · 30 26 28 29 · 30 28 LS2-B877, LT2-B878 (English) 102 Adjust the positions of the movable knives damaged or bent? Upper thread trimming errors (-305) 15...
Instruction Manual - English and Spanish
Page 122
...; Is the tension of the feed dog. TROUBLESHOOTING GUIDE 15. RECHERCHES DE PANNES 15. Make the thread take-up spring tensions too strong? Needle up springs too large? If the needle bar has been turned, turn it again to set it to comply with product liability regulations. - 58 85 (Step 3) 103 LS2-B877, LT2-B878 (English) Adjust the pretension. • Are the thread take -up stop position is extremely dangerous...
...; Is the tension of the feed dog. TROUBLESHOOTING GUIDE 15. RECHERCHES DE PANNES 15. Make the thread take-up spring tensions too strong? Needle up springs too large? If the needle bar has been turned, turn it again to set it to comply with product liability regulations. - 58 85 (Step 3) 103 LS2-B877, LT2-B878 (English) Adjust the pretension. • Are the thread take -up stop position is extremely dangerous...