3M 39800 Table of Contents 3M-Matic 800rf Case Sealer

3-17. Counter-Balance Pressure Regulator...................................................................................................... 3-14

3-18. Case Top Sensitivity............................................................................................................................... 3-14

3-19. Fork Cylinder Flow Controls - Speed Controls...................................................................................... 3-15

3-20. Infeed Box Stop-Gate Flow Control - Speed Control ............................................................................ 3-16

3-21. Box Centering Rails In/Out Rates ..........................................................................................................3-17

3-22. Upper Head Assembly Down/Up Rates .................................................................................................3-18

3-23. Top Flap Compression Rollers............................................................................................................... 3-19

3-24. Tape Web Alignment ..............................................................................................................................3-19

3-25. Tape Drum Friction Brake...................................................................................................................... 3-20

3-26. Tape Applying Mechanism Spring......................................................................................................... 3-20

3-27. One-Way Tension Roller........................................................................................................................ 3-21

3-28. Low Air Pressure Switch........................................................................................................................ 3-22

3-29. Overload Circuit Breaker ....................................................................................................................... 3-23

3-30. Head Travel Limit Switch ......................................................................................................................3-23

Section 4. Disassembly/Reassembly

4-1. General .....................................................................................................................................................4-1

4-2. Format....................................................................................................................................................... 4-1

4-3. Side Drive Belt Assembly ........................................................................................................................4-2

4-4. Side Drive Belt .........................................................................................................................................4-3

4-5. Motor Drive Belts, Upper and Lower ...................................................................................................... 4-4

4-6. Case Sealer Bed Plates .............................................................................................................................4-6

4-7. Fork Cylinder............................................................................................................................................ 4-7

4-8. Side Drive Belts Cylinder......................................................................................................................... 4-7

4-9. Flap Folder Cylinder ................................................................................................................................ 4-8

4-10. Flap Folder Arm Cylinder ........................................................................................................................4-8

4-11. Knife Replacement, Upper Taping Head..................................................................................................4-9

4-12. Knife Replacement, Lower Taping Head............................................................................................... 4-10

4-13. Belt Drive Pulley Assembly Ribbed Rings ............................................................................................4-10

4-14. Infeed Rollers ......................................................................................................................................... 4-12

4-15. Overload Circuit Breaker ....................................................................................................................... 4-14

Section 5. Theory of Operation

5-1. General .....................................................................................................................................................5-1

5-2. Operation Summary.................................................................................................................................. 5-1

5-2-1. Random Mode .............................................................................................................................5-1

5-2-2. Fixed Mode ................................................................................................................................. 5-2

5-2-3. Bypass Mode ...............................................................................................................................5-2

5-3. Sequence Tables .......................................................................................................................................5-2

5-4. Electrical System ....................................................................................................................................5-14

5-4-1. Power Distribution ....................................................................................................................5-14

5-4-2. Special Circuits/Components ....................................................................................................5-14

5-4-3. Electrical Schematic ..................................................................................................................5-16

5-5. Pneumatic System .................................................................................................................................. 5-20

Pneumatic Diagram ...................................................................................................................5-21

Table of Contents 3M-Matic 800rf Case Sealer