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Question posted by bola79344 on June 15th, 2015

Hi I Have An Industrial Sewing Machine Db2-b797 Which Has Served For 30 Years'

have trouble thread bunching on needle, breaking on reverse,only needle plate replacements occasionally ,is there a basic parts recon list that would hopefully fix things up !? Thanks, Bruce Mckenzie.

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Answer #1: Posted by TechSupport101 on June 19th, 2015 4:01 AM

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See the article here for assistance with a bunching thread on your sewing machine.

www.satechhelp.co.za

Related Brother International DB2-B797 Manual Pages

Parts Catalog - Page 2

... Machine Body 4 5 33 31 t 34-2 34-3-8 ...DB2 6797 20 19 Ref. A-19 A-20 A-21 A-22 A-23 A-24 A-25 A-26 A-27 A-28 A-29 A-30 A-31 A-32 A-33 A-34-1 A-34-2 A-34-3 Name of Parts Oil Cap Screw Face Plate Thread Retainer Screw Screw Thread Guide Screw Thread Tack -up Spring Tension Release Pin Tension Bracket Screw Screw Needle Plate Screw Slide Plate Slide Plate Spring Screw Q'ty Parts...

Parts Catalog - Page 4

...28-1 Feed Lifting Arm C 28 2 Screw C-29 Feed Lifting Rock Shaft Q'ty Parts No. C-18 Name of Parts Feed Bar Shaft Feed Bed Screw Feed Dog Stop Ring Thrust Ring Feed Rock Shaft ...Shaft Feed Rock Shaft Bushing Middle Feed Rock Shaft Bushing Right Collar Screw Oil Seal Lower Shaft Bushing Right Q'ty Parts No. 1 116957-0.01 1 145511-0-01 2 100080-0-03 1 147493-0-01 1 048150-1-42 1 116920-0-01 ...

Parts Catalog - Page 5

...-1 B-28-2 B-28-3 B-28-4 B-29 B-30 B-31 B-32 B-33 B-34 B-35 Upper ...Parts Q'ty Parts No. Name of Parts Cap Felt Screw Needle Bar Bushing Upper Needle Bar Screw Needle Bar Clamp Screw Needle Bar Crank Rod Needle Roller Bearing Needle Bar Crank Thread Tack-up Supporter Stud Screw Thread Tack-up Lever Washer Screw Needle Bar Bushing Lower Thread Guide Lower Needle-Bar Thread Guide Screw Needle Needle...

Parts Catalog - Page 6

... 4 5 6 32 3-i 2 ) e- E-23 E.-24 E-25 E-26 E-27 E-28 E-29 E-30 Name of Parts Stud Screw Link Large Q'ty Parts No. 2 150451-0.01 1 150459-0-01 E- 3-1 Upper Feed Lifting Rock Arm Left E- 3-2 Screw E-...E-53 E-54 Feeding Foot Connector Guide Feeding Foot Connector Screw Feeding Foot 24 23 22 Qty Parts No. 1 013680-6-12 1 109152-0-01 Assembly No. 1 150466-0-01 1 150467.0.01 1...

Parts Catalog - Page 7

..... D-14 D-15 D1-43167 D-18 D-19 D-20 D-21 D-22 D-23 D-24 D-25 D 26 D-27 D-28 D-29 D-30 D-31 D-32 Name of Parts D- 1.1 Screw D- 1-2 Feed Regulator D- 2 D- 3 D- 4 D- 5 D- 6 D- 7 D- 8 D- 9 D-10 ...Screw Pin Spring Feed Regulator Lever Assembly Bolt Feed Regulator Spring Screw Feed Regulator Lever Shaft Screw Reverse Lever 1 100310-0.01 1 104689-0-01 109153-0-01 2 009681.2.12 1 013680-6-12 1 ...

Parts Catalog - Page 8

...-0-01 * The details of Parts Z- 1 Z- 2 Accsesory Bag Screw Driver Z- 3 Screw Driver Z- 4 Spanner Z- 5 Rubber Hinge Z- 6 Z- 7 Nail Hinge Z- 8 2- 9 Z-10 Z-11 Z-12 2-B-1 Z-13-2 Needle Bag Needle Bobbin Nail Head Cushion Bobbin ...-12 Bolt Z-19-13 Knee Lifter Plate Stopper Z-19-14 Knee Lifter Plate Z-19-15 Knee Lifter Cover Z-19-16 Screw Qty Parts No. 117969-0.01 100661-0-01 009679-3-12...

Specifications - Page 1

... rotary hook for thread trimming 476 x 178 mm 266.5 x 131 mm 2000.7 DB2−B797, B798 1/2 speed Max. DB2-B797 B798 Single Needle Top and Bottom Feed Lock Stitcher with Large Hook Single Needle Top and Bottom Feed Lock Stitcher with Large Hook and Thread Trimmer Model DB2-B797 DB2-B798- 100 300 Function Thread trimmer ¡ ¡ Quick reverse ¡ Specifications Application...

Specifications - Page 2

Gauge parts list Standard gauge Needle plate C26 B797 150492-001 B797 Feed dog 147493-001 Standard feet Walking foot Presser foot 150454-101 150436-101 B797 C26 B798 147322-101 B798 S01489-001 B797, B798 S01484-101 B798 Option gauge B797, B798 Feet for piping Walking foot Presser foot 151847-001 151848-001 151849-001 6.4 mm (1/4") 7.9 mm (5/16") 9.5 mm...