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Operation and Maintenance Manual 

SEM Model 3000 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAN-013 | Created 11/19/2019 | ECN: 00434 

 

For service, parts, and customer support, contact us: 

SECURITY ENGINEERED MACHINERY 

5 Walkup Drive • Westborough, MA 01581

 

[email protected] 

1-508-366-1488

 

www.semshred.com 

 
 

Summary of Contents for 3000

Page 1: ...Manual SEM Model 3000 MAN 013 Created 11 19 2019 ECN 00434 For service parts and customer support contact us SECURITY ENGINEERED MACHINERY 5 Walkup Drive Westborough MA 01581 service semshred com 1 508 366 1488 www semshred com ...

Page 2: ... 4 2 Installation 5 3 Pre Operational Procedures 7 3 1 Pre Operation Checklist 8 4 Operation Instructions 9 5 Service Instructions 10 5 1 Changing Knives 12 5 2 Sharpening Knives 12 5 3 Belts 14 5 4 Bearing Lubrication 15 5 5 Recommended Grease 15 6 Troubleshooting 16 7 Tools PPE Spare Parts 18 ...

Page 3: ...rvicing the machine Although SEM machines are designed for the maximum in fly back control caution must be used when operating near the area of the hopper feed opening in order to guard against unexpected material fly back 9 EAR PROTECTION may be required when operating the machine during disintegration of very hard noisy materials The Occupational Safety and Health Act of 1970 OSHA has establishe...

Page 4: ...ed to uniformly and consistently reduce the size of waste products through a user selected sizing screen The rotor on which the cutting knives are mounted is a fabricated steel unit supported by bearings mounted outside the cutting chamber The rotor is driven by a motor which is capable of producing high torque loads The disintegrator is equipped with a magnetic starter that is protected by manual...

Page 5: ...ent All non painted items subject to corrosion are coated with a quality rust preventative and the machine is then covered with heavy duty polyethylene to protect it from moisture and dirt SEM Disintegrators are normally shipped completely assembled unless the size of the machine or an agreement for special shipping arrangements causes partial disassembly UNPACKING Note When the machine arrives at...

Page 6: ...it freely rotates without obstruction or contact between rotor and bed knives Wipe the inside of the cutting chamber clean Before closing the machine check the chamber carefully to ensure nothing has been left inside the machine Place the screen back into its original position before closing the machine Securely close the machine by rotating the threaded swing bolts up into the clamps and tighteni...

Page 7: ...h to the ON position Press the DISINTEGRATOR START push button to power the disintegrator motor Visually compare the direction of motor shaft rotation to the rotation arrow label clockwise when viewed from the shaft end If the motor turns in opposite direction reverse any two incoming power leads Once the rotation direction is correct the remaining electrical controls need to be tested as follows ...

Page 8: ...all motors been checked for rotation Have all machine controls buttons and limit switch safeties been checked forproper functioning Have the cutting and screen chambers been checked for foreignmatter Have the drive belts been checked for alignment and tension Is the machine properly closed with all visible fasteners tight Are all accessory components electrically and mechanically connected with pr...

Page 9: ...t a uniform rate that does not exceed the capacity of the machine New Operators Start with feed rates of 5 lbs per minute to get a feel for the output rates Allow a pause between feed lots for cutting time and evacuation NOTE Overfeeding can cause the disintegrator to jam However the stage 1 shredder has a built in auto reverse feature to clear moderate jams Depending on final particle size and se...

Page 10: ...e bolts that hold the cutting chamber in place They are the two swing bolts that pivot located on the front of the machine See figure 4 on following page 6 Use the provided machine jack to open up the mid hopper in order to service the cutting chamber See figure 4 on following page Make sure that the safety clips are locked in place before servicing the machine 7 After knives and or other services...

Page 11: ...508 366 1488 www semshred com 11 Figure 4 Top View Figure 1 Figure 3 8th Bolt Figure 2 ...

Page 12: ...tor in reverse Adjust to a minimum of 005 inch clearance using a feeler gauge 6 Rotor knife hex head cap screws should be adjusted to 190 ft lbs for the rotor knives and 45 ft lbs for the bed knives Note Before tightening bed knives to full torque determine that knives are set properly by manually rotating the rotor in the operating direction ensuring that the bed knives do not touch 5 2 Sharpenin...

Page 13: ...rance must be held alike and parallel in sets within 010 Dimension C Rotor knives tolerance must be held alike and parallel in sets within 002 NOTES ON KNIFE GRINDING After regrinding a number of times the knives must be checked to be sure that there will be adjustment left in the bed knives The general rule is to place a rotor knife and bed knife back to back as shown above and measure the total ...

Page 14: ...belt span see figure on right 3 Using a spring scale apply a perpendicular force to any ONE of the belts at the mid point of the span 4 Measure the force lbs required to deflect any one of the belts 1 64th of an inch for every inch of span For example the deflection for a 32 inch span would be 1 64th of an inch times 32 or 1 2 of an inch 5 The motor position should be adjusted until the actual def...

Page 15: ...hium based EP extreme pressure type of grease which conforms to the NGLI Grade 2 consistency This grease has been chosen due to its suitability for use in heavy duty applications under heavy shock loads It also contains rust inhibitors has high temperature stability and exhibits good water resistance 5 5 Recommended Grease AMOCO AMOLITH EP 2 CASTROL EP2 EXXON RONEX MP GULF CROWN 2 MOBIL MOBILITH A...

Page 16: ...Check that the screen is properly seated in the screen chamber 4 Machine stalls a Machine is overloaded Reduce amount of feedstock put into the machine per unit oftime b Pieces of feedstock jammed in the rotor Clear the jammed material then visually inspect the rotor to ensure it is not damaged and that the knife gaps are correct c Machine has loose or thrown belts Inspect and if acceptable for us...

Page 17: ...rticle builds up in transition or duct a Fan is too small Replace with larger unit or fan wheel b Transition or tubing is clogged Clean as required c Return air vents are covered or too small Ensure the vents are open d Fan is not evacuating properly Check for loose fan wheel on shaft worn fan wheel or loose fan drive belts 9 Feedstock hangs up in hopper or cutting chamber a Material being placed ...

Page 18: ...5 24 Case of Bags 50 1 775BAG3MILA Bed Knife Bolts set 28 800BBM12 Spare Screens 1 35123__P call Set of Belts 1 VB87 4 Replacement filter socks bags available call SEM customer service with the model and serial number of the filter to ensure you receive the correct parts Additional screens are also available at many different sizes for different applications Call for details NOTE Refer to part num...

Page 19: ... 5 Walkup Drive Westborough MA 01581 service semshred com 1 508 366 1488 www semshred com Follow us on social media Facebook https www facebook com semshred Twitter https twitter com semsecure Linkedin https www linkedin com company security engineered machinery Youtube https www youtube com user datadestruction ...

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