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Global SM 7800 Series Operating Instructions Manual

Inseam sewing machine

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SM 7820 MC
Inseam sewing machine
OPERATING INSTRUCTION MANUAL
Rev 201901

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Summary of Contents for Global SM 7800 Series

  • Page 1 SM 7820 MC Inseam sewing machine OPERATING INSTRUCTION MANUAL Rev 201901...
  • Page 3 Thank you very much for your choice of this double thread side seam sewing machine. Please read the manual carefully before use! Main Warnings: ❤ It is extremely important that the electrical device must be soundly earthed! ❤ It is absolutely forbidden to remove any protection system provided by manufacturer while machine is on! ❤...
  • Page 5 CONTENTS I. Technical Specifications …………………………………………………………………1 II. Generals ……………………………………………………………………………………1 III. Operation …………………………………………………………………………………2 IV. Adjustment …………………………………………………………………………………2 1. Cam Gears ……………………………………………………………………………2 2. Adjustment of the Needle Bar…………………………………………………………2 3. Adjustment of the Clamp ……………………………………………………………3 4. Adjustment of the Needle Pitch ……………………………………………………3 5. Setting of the Needle Stopping Position ……………………………………………4 6.
  • Page 7 I. Technical Specifications Sewing Speed: Stepless speed regulating Stitch Length: 3 – 18 mm Stitch: Double locked Sewing Thickness: 6 – 20 mm Needle Bar Stroke: 60 mm Sewing Needle: 240# Sewing Thread: Compound thread, linen thread, cotton thread, nylon thread Motor Power: 750W/220V Single-phase Total Weight:...
  • Page 8 III. Operation Operators are required to get familiar with the machine. They should know the position as well as the function of each adjusting screw and grasp the essentials before operating the machine. Refer to the following steps when starting the machine. Fill the oil cup with 30# lubricant (fill the cover cup with grease) and apply some 30# lubricant to the drive shaft and the mating surface.
  • Page 9 M10 Nut(1) Sopport Rest pin of the clamp bar M10 Nut(2) Spring Clamping ring Stopper ring of the needle bar M8 screw M8 screw Clamp bar Slide block Needle bar Elevating fork Sopport Slide block of the clamp Clamp Sewing Needle Fig.1 Fig.2 3.Adjustment of the Clamp...
  • Page 10 5.Setting of the Needle Stopping Position The needle stopping position can be decided at random since the machine is driven by the electronic motor and controlled by the computer. When adjusting, loosen the set screw on the signal indicator. Then turn the handle slowly to let the needle bar to the required position. Tighten the screw after adjustment.
  • Page 11 Parts Drawings 5 ...
  • Page 12 998-0105 998-0104 998-0103 998-0106 998-0107 998-0108 998-0108 998-0102 998-0109 998-0110 998-0110 998-0101 6 ...
  • Page 13 Fig.No Part’s name Quantity 998-0101 998-0102 Upper cap 998-0103 Pulley gasket 998-0104 Belt pulley 998-0105 Main shaft 998-0106 Enclosing cover 998-0107 Straining ring of the main shaft 998-0108 Bevel gear 998-0109 Handle wheel 998-0110 Round net of the main shaft 7 ...
  • Page 14 998-0204 998-0205 998-0207 998-0208 998-0212 998-0203 998-0202 998-0206 998-0237-1 998-0225 998-0224 998-0206-1 998-0238 998-0213 998-0211 998-0209 998-0205 998-0204 998-0223-1 998-0210 998-0214 998-0226 998-0223 998-0216 998-0237 998-0227 998-0226 998-0215 998-0222 998-0220 998-0219 998-0218 998-0239 998-0205 998-0228 998-0221 998-0217 998-0204 998-0235 998-0229 998-0236 998-0230 998-0231...
  • Page 15 Fig.No Part’s name Quantity 998-0202 Upper vertical axle 998-0203 No.1 cam 998-0204 Pin for the drum roller 998-0205 Drum roller 998-0206 Elevating rocker arm of the needle bar 998-0206-1 Bush for the elevating rocker arm 998-0207 Forked standard 998-0208 Pin for the elevating rocker arm 998-0209 Slide block 998-0210...
  • Page 16 998-0205 998-0244-3 998/2-0244-2 998-0245 998-0247 998-0244-1 998-0249-1 998-0249 998-0248 998-0205 998-0243-2 998-0250 998-0246 998/2-0243-1 998-0251 998-0259 998-0261 998-0260 998-0260-1 998-0258 998/2-0244-4 998-0254 998-0255 998-0256 998-0253 998-0266 998-0257 998-0252 998/2-0243-3 998-0265 998-0267 998-0264 998-0265-1 998-0262 998-0268 998-0263 10 ...
  • Page 17 Fig.No Part’s name Quantity 998/2-0243-1 Rocker arm 998-0243-2 Pin for the drum roller 998/2-0243-3 No.5 cam 998-0244-1 Sliding way chute 998/2-0244-2 Slide carriage 998-0244-3 Pin for the roller 998/2-0244-4 No.4 cam 998-0245 Crank 998-0246 Pin axle 998-0247 998-0248 Axle seat 998-0249 Connecting rod 998-0249-1...
  • Page 18 998-0205 03-017 998-0204 998-0303 03-019 03-017-2 03-005 03-018 998-0304 998-0306 998-0316 998-0320 998-0307 998-0302 998-0310 998-0313 998-0308 998-0315 998-0309 998-0311 998-0314 998-0312 998-0321 998-0205 998-0331 998-0324 998-0325 998-0204 998-0327 998-0323 998-0328 998-0330 998-0326 998-0327 998-0322 998-0328 998-0329 998-0326 12 ...
  • Page 19 Fig.No Part’s name Quantity 998-0302 Lower vertical axle 998-0303 Connecting ring 998-0304 Sleeve 998-0305 No.6 cam 998-0306 Rocker arm for the tensioning wire 998-0307 Screw bolt 998-0308 Support 998-0309 Trig loop 998-0310 Thread coil 998-0311 Thread coil axle 998-0312 Packing ring 998-0313 Spring seat for the thread coil 998-0314...
  • Page 20 TYPE:C2 998F-0512-C2 998F-0518-C 998F-0509-C 998F-0513-C2 998F-0517-2 998F-0517-1 998F-0516 998F-0511-C 998F-0516 998F-0518-D 998F-0504-C2 998F-0508-C 998F-0502 998F-0507-B 998F-0506 998F-0501 998F-0503 14 ...
  • Page 21 Fig.No Part’s name Quantity 998F-0501 Flanged seat 998F-0502 Axle housing 998F-0503 Round net 998F-0504-C2 Camshaft of the shod horn 998F-0506 Sleeve of the small shoe horn 998F-0507-B Horn seat (for small shoe horn) 998F-0508-C Small shoe horn 998F-0509-C Way block of the small shoe horn 998F-0511-C Winding reel 998F-0512-C2...
  • Page 22 (HVP-70 for SM 7820 MC) Parameter Setting of the Motor Parameter Mode A: Press ‘P’ key to enter Parameter Mode A PARAMETER DEFAULT DESCRIPTION CODE Maximum sewing speed, Recommended speed less [001.H] than 1000RPM. Setting acceleration curve , don’t adjust is [002.PSL] recommended.
  • Page 23 SM 7820 MC Electrical Block Diagram Main switch BK250 220/36,6.3V 220V 6.3V Power indicator light Lighting lamp Winding Motor motor controller Pedal Thermistor Thermistor switch Main motor 100W Positioner 220V 220V Shuttle heater Bobbin heater...

This manual is also suitable for:

Sm 7820 mc