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SOHN MODEL
6503
OPERATORS MANUAL
P.O. BOX 427, ELKHART LAKE, WI 53020 USA
PH: (920) 876-3361 • FAX: (920) 876-2952
E-MAIL: sohn@
sohnmanufacturing.com
WEB: www.sohnmanufacturing.com
MANUFACTURING, INC.

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Summary of Contents for Sohn 6503

  • Page 1 SOHN MODEL 6503 OPERATORS MANUAL P.O. BOX 427, ELKHART LAKE, WI 53020 USA PH: (920) 876-3361 • FAX: (920) 876-2952 E-MAIL: sohn@ sohnmanufacturing.com WEB: www.sohnmanufacturing.com MANUFACTURING, INC.
  • Page 2 THIS MACHINE IS FOR INDUSTRIAL USE ONLY IN AN INDUSTRIAL ENVIRONMENT Sohn has supplied guarding to its best ability on all electrical components, shafts, power drives, pulleys, belts and on objects that are designed to be objects in motion or considered by Sohn to be obvious operator danger points.
  • Page 3 ATTENTION These warning symbols are used throughout this manual and on the machine. Know and understand their meaning. GENERAL WARNING ENTANGLEMENT HAZARD (BELT DRIVE) ELECTRIC SHOCK HAZARD HAND ABRASION ENTANGLEMENT HAZARD (HAND IN GEARS) PINCH POINT (HAND IN ROLLERS) HAND ENTANGLEMENT CUT / SEVER HAZARD HAIR ENTANGLEMENT DO NOT REMOVE GUARD...
  • Page 4: General Safety Rules

    If you have any questions relative to a particular application, DO NOT use the machine until you have first contacted Sohn Manufacturing to determine if it can or should be performed on the machine. As with all machinery, there are certain hazards involved with the operation of the product.
  • Page 5 9. NEVER STAND ON MACHINE. Serious injury could occur if the machine is tipped or if the rotary die is accidentally contacted. 10. CHECK DAMAGED PARTS. Before further use of the machine, a guard or other part that is damaged should be carefully checked to ensure that it will operate properly and perform its intended function –...
  • Page 6 CONTROL PANEL SWITCHES & OPERATION CAUTION THIS MACHINE SHOULD BE OPERATED ONLY BY PERSONS TRAINED IN IT'S FUNCTIONS, HAZARDS AND POTENTIAL DANGERS! Power Switch #1 (Green) I/O - On / Off Lighted Rocker Switch controls machine power. Emergency Stop #2 (Red) This red button deactivates the machine.
  • Page 7 The next step would be to center the paper to maintain proper tracking. The center of the model 6503 machine is 4" from the back plate. An example would be when using 2" wide material, a mark should be put on the center of the roll at 1" from either edge, place the roll on the unwind spindle with the paper unwinding to the left from the top of the roll and measure 4"...
  • Page 8 number of teeth to match that of the die and print cylinder and insert the bearing blocks and die into the die station making sure the die blocks are put with the T to the inside of the machine. Next, place the die bearer hold down into die station locking into place with the 4 hex nuts.
  • Page 10 DIE CUTTING STATION PART NO. DESCRIPTION QTY. PRICE / EA. Anvil Shaft 1/8 Pitch............Anvil Shaft (32 Pitch-Option)......... Anvil Gear 1/8 Pitch............Anvil Gear (32 Pitch-Option)......... Anvil Bearing..............Paper Guide..............Spring (81-122 teeth 32 Pitch / 64-96 teeth 1/8 Pitch)..Spring (62-80 teeth 32 Pitch / 48-63 teeth .1/8 Pitch)..
  • Page 11 PRINT CYLINDER PART NO. QTY. DESCRIPTION PRICE / EA. Print Cylinder (various sizes)........Brass Set Screw............Print Cylinder Shaft............Print Cylinder Gear (various sizes)........ Screw................
  • Page 12 INK FOUNTAIN PART NO. DESCRIPTION QTY. PRICE / EA. Dipstick................ Cover Thumb Screw............ Dr. Blade Thumb Screw..........Ink Fountain..............Fountain Line Up Tool........... Dr. Blade Assembly............Dr. Blade only..............Ink Roller Gear 1/8 Pitch..........Ink Roller Gear (32 Pitch-Option)......... Ink Roller 1/8 Pitch............Ink Roller (32 Pitch-Option)..........
  • Page 13 PACER NIP ASSEMBLY PART NO. DESCRIPTION QTY. PRICE / EA. Pacer Nip Assembly............PACER NIP ENGAGED WITH ANVIL...
  • Page 14 Suggest Sohn C-100 cleaning kit which contains the following essential items: Rubber Gloves, 1 Small Handle Brush, 1 Round Brush, 1 Square Shallow Pan, 1 Scraping Knife, 1 Alignment Tool, 1 Gallon Sohn Super Cleaner (Type C), 1 Qt. Sohn Fountain Cleaner (Type B).
  • Page 15 DIMPLE SCREW ATTENTION When re-assembling the ink roller gear to the fountain shaft the set screw in the gear must be aligned with the dimple in the shaft. FAILURE TO DO SO WILL CAUSE DAMAGE TO THE SHAFT. DIMPLE FLAT SCREW ATTENTION When re-assembling the ink roller to the fountain shaft the set...
  • Page 16 ORDERING INFO FOR PRINTING PLATES FOR MACHINES USING PRINT CYLINDERS AND DIES. In general terms, the necessary information for ordering plates for the above machines can be stated as a description of the printed image (text, graphics and color separation information), specifications for distortion, step and repeat corresponding to the tooling that will be used and an indication of the running direction of the image.
  • Page 17 1/16" corner radius. 2 across on 1.50" centers, 3 around on 65T/32DP, Unwind #4. or as another example: Plate for Model 6503, 1 color, per artwork submitted for carton labels, for 2.00" x 5.25" butt cut, 1 across 1 around on 54T/32P, Runs with 2 cavity butt cut die on 108T/32DP, Unwind #4.
  • Page 18: Adjustment Screw

    Vertically mounted blades can be used on this operation. HEIGHT ADJUSTMENT SCREW LOCKING SCREW PART NO. QTY. DESCRIPTION PRICE / EA. Slitter Guard..............Slitter Blade..............Slitter Spacer, Steel............Slitter Spacer............... (Note: Call Sohn Mfg., Inc. for stock sizes)
  • Page 19: Preventive Maintenance

    A. The cutting die may have a low spot or nick in it. A. Return to factory to have die checked and reground. B. Paper liner too thin. B. Use only Sohn Paper Stocks. 2. Unit does not start. A. No number on automatic counter.
  • Page 20 SOHN MODEL 6503 P.O. BOX 427, ELKHART LAKE, WI 53020 USA PH: (920) 876-3361 • FAX: (920) 876-2952 E-MAIL: sohn@ sohnmanufacturing.com WEB: www.sohnmanufacturing.com MANUFACTURING, INC.