MF-7800 Series

MF-7800 SeriesHigh-speed, Cylinder-bed, Top and Bottom Coverstitch MachineU10Universal type(basic type)K10for CoveringC10for Collarette attachingE10for Elastic band attaching(with right hand fabric trimmer)E20for Endless spandexelastic band attaching(with manual binder)E21for Endless spandexelastic band attaching(with air binder)H10for Wider hemmingElastic band weltingH21for Hemming(with left hand fabric trimmer)MF-7823U10B56/UT25The machine performs sewing that matches a broader range of sewing items.MF-7800

U10K10H10H21E10E20E21C10A line-up consisting of 8 different machine types.MF-7800 seriesSoft-seamWell-tensed seamIt is possible to select(change over) the stitch typeaccording to sewing items.It is now possible to change over the stitchtype, such as elastic soft-seams for inner wearand high-quality well-tensed seams for outerwear.Neither the replacement of parts nor the changing of threadtension is required. The stitch type can be changed over(soft-seams / well-tensed seams) simply by changing thethread path.Reduction in the thread tension by halfcontributes to the production of beautifullyfinishedseams and the achievement ofa satisfactory finish of sewing items which snuglyfit the skin. In addition, the machine achieveslower vibration and lower noise in considerationof sewing comfort and ease of handling.

MF-7800 seriesK10For covering Knitwear SportswearThis model is best suited to the covering processes for polo shirts, sportswearand knit outers, etc.U10: Modification to the universal type (basic type) model is easily achieved simply bychanging the throat plate and feed dog.MF-7823K10B56List of gaugesList of subclass K10

MF-7800 seriesH10For wider hemmingH10: This model is best suited to wider hemming processesfor T-shirts, Polo shirts, etc.(Hemming witdh: Max. 43 mm)For elastic band weltingH10 with PL: This model is best suited toelastic-band welting for swimwear,briefs, etc. It welts the elastic bandwhich has been overlocked onthe garment body.T-shirtsSwimwearPolo shirtsBriefsMF-7823H10B56/UT25/PL10List of gaugesList of subclass H10

MF-7800 seriesH21For hemming (with left hand fabric trimmer)T-shirtsPolo shirtsThis model is best suited to hemming processes for sleeves and the bottoms of T-shirts, Polo shirts, etc. It comes with a left hand fabrictrimmer for trimming fabric in parallel, at all times, to the seam with consistency. The upper knife stroke can be adjusted with ease.The knife drive section is a unit-structure to permit easy removal. The machine is thereforeused as a hemming type model without a trimming capability.MF-7823H21B56List of gaugesList of subclass H21

MF-7800 seriesE20For endless spandex elastic band attaching(with manual binder and tension roller)E21For endless spandex elastic band attaching(with air binder and tension roller)This model is best suited for sewing elastic bands on briefs. E20 is opened / closedwith the knee lever and E21 is opened / closed with the knee switch. The machinecomes provided as standard with a tension roller to smoothly sew elastic bands ondifferent-sized garment bodies. The machine flexibly adapts to varying elasticities dueto its soft seams.BriefsMF-7823E20B56/PL11MF-7823E21B56/UT25/PL11List of gaugesPart No. of binder List of subclass E2021

MF-7800 seriesC10For collarette attachingT-shirtsBriefsThis model is best suited for attaching collarettes on underwear, T- shirts and briefs .Multilayered joining parts of T-shirts can be fed smoothly due to the adoption of aspecial-purpose gauge. When using a narrow tape, consistent stitching is achievedby attaching an optional tape guide (part number: 40056407) which works to preventthe tape from slipping out of position. U10: Modification to the universal type (basic type) model is easily achieved simply bychanging the gauge parts and replacement parts.Presser foot (asm.) with a tape guideMF-7823C10B40List of gaugesReplacement parts for U10List of subclass machines C10

DeviceElectromagnetic type top andUT21UT22 bottom thread trimming device /Auto-lifterElectromagnetic type bottom thread trimming device+ Electromagnetic type wiper / Auto-lifter It is an electromagnetic type automatic topThis is an electromagnetic type bottom threadtrimming device / auto-lifter. It is used forprocesses which do not need top covering.and bottom thread trimming device / auto-lifter. The machine does not need an aircompressor to achieve easy layout changing.Electromagnetic type wiperElectromagnetic type top and bottom thread trimming devicePresser foot lifter drive mechanism magnetThread trimmer drive mechanism magnetUT23Pneumatic type bottom thread trimming device+ Electromagnetic type wiper / Auto-lifterThis is a pneumatic type bottom threadtrimming device / auto-lifter. It is used forprocesses which do not need top covering.UT24Pneumatic type bottom thread trimming device +Air blow type wiper / Auto-lifterThis is a pneumatic type bottom thread trimming device / auto-lifter. Air blow type wiperpneumatically handles the needle thread (i.e. places the needle thread above the presserfoot) instead of the mechanical wiper.Pneumatic type bottom thread trimming deviceAir blow type wiperUT25Pneumatic top and bottom threadtrimming device / Auto-lifterIt is a pneumatic automatic thread trimmingdevice / auto-lifter. Since the automatic liftof the presser foot and automatic thread trimmingcan be activated by lightly depressing the pedal,work efficiency is dramatically increased.Pneumatic top and bottom thread trimming devicePresser foot lifter drive mechanism air cylinderThread trimmer drive mechanism air cylinder

e. PO Number - enter the purchase order number the part will be deliveredon.f. Reference Document - if you have an internal rejection document whichyou wish to reference for your own records, list it here.g. LM Aero Job Order - this field is only used when the product is shippingto the LM Aero Palmdale facility. Enter the “job order” number from thepurchase order. If you are unsure what this number is, leave the fieldblank. It is not a required field, but if it is entered the job order number isvalidated to ensure the number is correct.h. Part Name – enter the part name or nomenclature from the drawing.i. Seller’s Part Number – if you manufacture the part under a different partnumber than the one on the LM Aero purchase order, enter that partnumber here.j. Serial Number(s) – when applicable enter the serial number of the part(s).When more than one serial number is affected add additional serialnumbers by clicking the “add more serial numbers” link. Each serialnumber must reside in its own field. The system will not allowduplication of serial numbers on the same document.k. Buyer’s Part Number – enter the LM Aero part number from the LockheedMartin purchase order.l. Quantity – enter the number of parts being submitted for review. Note:The LM Aero buyer reserves the right to submit the smallest number ofparts required to prevent line shortages. Note: this quantity shall representthe entire lot exhibiting the defect, not a sample size.m. Defect – enter a concise description of the defect. If more than onenonconformance exists, click the “add another defect” link. Each defectdescription shall include the detail requirement, statement of actual value,variance from actual value, location or zone on drawing or specificationparagraph, type of material, percent complete, heat treat condition, asapplicable. If all parts do not display all of the nonconformances, thedescription shall include the quantity of parts that have eachnonconformance. [Identify to parts i.e. A, B, C or 1, 2, 3.]n. Your Email Address – enter your email address. This should be the emailaddress associated with your user account. All communication regardingthe document submitted will be addressed to this email address.o. Attachments – the system allows the attachment of files to help in thedescription of the defect. This can be pictures in JPG format (.jpg), Worddocuments (.doc), Excel spreadsheets (.xls), or PowerPoint presentations(.ppt), or PDF documents (.pdf). File sizes are limited to 1 MB. This ismore than enough. Photos should be taken at a 640 X 480 resolution. Toattach a document click in the attachment field, then click the “browse”button. This will open a Windows Explorer view of your own machine.Browse to the area where you have the document stored and complete theattachment. For more attachments, simply repeat the process in the nextattachment field.- 12 -

WHEN YOU PLACE ORDERSPlease note when placing orders, that the model name should be written as follows:[without automatic thread trimmer]MF78/ [with automatic thread trimmer]MF78B/UT/ [Control box / Motor]

Common specifications (U10, K10, H10, H21, E10, E20, E21, C10)MF-7800 seriesOCTOBER, 2008 Printed in Japan(C)