3M 39800 User Manual

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

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800rf Case Sealer

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