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Summary of Contents for Cumberland 4070
- Page 1 Operation and Installation Manual Model 40 Series Granulators Important! Read Carefully Before Attempting to Install or Operate Equipment...
- Page 2 It is not to be given or made available to anyone who would use this information to the detriment of CUMBERLAND EUROPE LTD. When ordering replacement parts, please include part numbers, serial number, assembly order number.
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Page 3: Safety Considerations
Safety Considerations Cumberland Europe Ltd. granulators are designed to provide safe and reliable operation when installed and operated within design specifications, following national and local safety codes. To avoid possible personal injury or equipment damage when installing, operating, or maintaining this granulator, use good judgment and follow these safe practices: ... - Page 4 ROTATION OF MOTORS: All rotating items in the granulator are clearly marked on the machine. Always check for proper rotation of motors. ELECTRICAL GROUNDING: All electrical equipment on the granulator must be grounded. Page 4 40 Series Granulators...
- Page 5 Cumberland Europe Ltd. SAFETY CHOCK (MODEL 40100 ONLY) Cumberland has long recognized the importance of safety and has designed and manufactured it’s equipment with operator safety as a prime consideration. As a user, we expect you will abide by the foregoing recommendations in order to make operator safety a reality.
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Page 6: Table Of Contents
2-4 If the Shipment is Not Correct 2-5 Returns 2-6 Uncrating Installation 3-1 Scope 3-2 General 3-3 Set-up 3-4 Electrical Service Connections 3-5 High Amperage Readings Accessing Cutting Chamber 4-1 Opening Cutting Chamber 4-2 Closing Cutting Chamber Page 6 40 Series Granulators... - Page 7 9-2 Motor & Belts Servicing 9-3 Knife Removal & Adjustment 9-4 Rotor Knife Removal 9-5 Rotor Knife Sharpening 9-6 Rotor Knife Installation 9-7 Bed Knife Sharpening 9-8 Bed Knife Installation & Setting 9-9 Preventative Maintenance Service 40 Series Granulators Page 7...
- Page 8 9-10 Recommended Torque For Knife Bolts 10 Troubleshooting 12 Spare Parts 12-1 Recommended Spare Parts 12-2 Additional Parts Service Notes Service Notes Page 8 40 Series Granulators...
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Page 9: Charts And Figures
Charts and Figures Granulator Specifications Table Granulator Dimensions Belt Span and Deflection 33-34 Belt Deflection Force Table Rotor Knife Drawings Bed Knife Drawings Recommended Bolt Torque 40 Series Granulators Page 9... -
Page 10: General Information
This manual is intended for use as a guide and reference for personnel who will be installing, operating, and maintaining the Cumberland 40 Series Granulator. The purpose is to aid these individuals in applying efficient, proven techniques, which will enhance productivity. -
Page 11: General Description
1-2 General Description Cumberland granulators are designed to uniformly and consistently size reduce your scrap. They have been engineered to consistently deliver clean granulate with a minimum of “fines”. The rotor, on which the cutting knives are mounted, is a fabricated steel unit supported by bearings mounted outside the cutting chamber. -
Page 12: Granulator Specifications
1-3 Granulator Specifications Model 4050 4070 “A” Dimension 1305 mm 1505 mm Weight 1375 kg 1545 kg Est. throughput 8Ø screen 410 kg/hr 575 kg/hr Figure 1 Granulator Dimensions Page 12 40 Series Granulators... - Page 13 40 Series Granulators Page 13...
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Page 14: Shipping Information
Shipping Information 2-1 Unpacking and Inspection You should inspect your Cumberland 40 Series granulator for possible shipping damage. If the container and packing materials are in re-usable condition, save them for reshipment if necessary. Thoroughly check the equipment for any damage that might have occurred in transit. -
Page 15: If The Shipment Is Not Complete
Have the order number and item number available. Hold the items until you receive shipping instructions. 2-5 Returns Important! Do not return any damaged or incorrect items until you receive shipping instructions from Cumberland Europe Ltd. 40 Series Granulators Page 15... -
Page 16: Uncrating
2-6 Uncrating 40 Series Granulator 40 Series granulators are shipped mounted on a wooden skid then blocked and banded to prevent movement. 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. -
Page 17: Installation
3-1 Scope This section contains all instructions required for experienced installation personnel to install the Cumberland granulator and prepare it for production. It is essential to follow all instructions carefully and in the sequence presented. Be sure to observe all DANGER,... - Page 18 Hand Crank (RH Side of Machine) Rotate the hand crank clockwise (towards the rear of the machine) to open the cutting chamber approximately 90 (For more information on opening the cutting chamber refer to Section 4). Page 18 40 Series Granulators...
- Page 19 Check the belts for proper tension and alignment (refer to Section 9-2). Upon completion, close the sheave guard by placing the cover back into position, insert all of the fasteners originally removed, and tighten them fully. 40 Series Granulators Page 19...
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Page 20: Electrical Service Connections
The amperage will change according to motor size. 3. If amperage exceeds the amount listed on nameplate, check the following: Sharpness of knives Quoted feed rate of granulator Page 20 40 Series Granulators... -
Page 21: Accessing Cutting Chamber
1. Double check the cutting chamber area for tools, rags, and other debris left in the area and that the rotor restraint pin has been removed. 2. Rotate the crank handle towards the front of the machine. 3. Raise screen cradle and tighten (2) fasteners. 40 Series Granulators Page 21... -
Page 22: Accessing Screen Chamber
4. Loosen (2) fasteners holding the screen cradle in position. As the fasteners are designed to remain with the screen chamber, it is not necessary to totally remove them from the screen chamber. 5. Guide the screen chamber to it’s resting position. Page 22 40 Series Granulators... -
Page 23: Closing Screen Chamber
Tighten the captive screws. 3. Insert hopper into the screen chamber slide ways. 4. Before leaving the area, make sure all components are connected properly. 5. Replace access cover and close doors on optional enclosures. 40 Series Granulators Page 23... -
Page 24: Sequence Of Operation
The voltage should be the same as indicated on the silver tag in the control enclosure. If the voltage is not the same, contact the Cumberland Service Department for voltage modification instructions at +44 (0) 1453 768980. - Page 25 Press the granulator stop pushbutton and allow the machine to stop. For granulators equipped with conveyors, etc., test their operation also by pressing the appropriate pushbutton. Check all emergency stop pushbuttons to ensure all motion stops. -Notes- 40 Series Granulators Page 25...
- Page 26 Page 26 40 Series Granulators...
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Page 27: Startup Checklist
Cumberland granulators can be supplied with an optional fan system to provide efficient, continuous evacuation of granulate from the machine. Cumberland offers a large variety of fan configurations. The following information is intended to be representative of the basic functioning and design of a fan, rather than being specific to one particular configuration. -
Page 28: Are All Personnel Clear Of The Machine And Optional Fan
Are cyclonic air separator and filter units empty? (optional equipment) Has the fan (optional) been verified for proper rotation direction? Are all electrical enclosure boxes tightly closed and clamped shut? Are all personnel clear of the machine and optional fan? Page 28 40 Series Granulators... -
Page 29: Operation
8-2 Temporary Machine Stops When temporarily stopping the machine, allow all material to run out of the cutting chamber. NEVER try to restart the machine with material remaining inside the cutting chamber. 40 Series Granulators Page 29... -
Page 30: Final Machine Stops
8-4 Emergency Stops Feedstock must be cleaned out of the hopper and cutting chamber prior to restarting the machine. NOTE: The Cumberland 40 Series granulators are not designed for small purging, chunks of solid plastic or other heavy wall cross- sectional pieces. - Page 31 SAFETY CHOCK (MODEL 40100 ONLY) When working inside the cutting chamber, a safety chock is provided (loose) which can be inserted in the hopper opening as shown below for added safety. 40 Series Granulators Page 31...
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Page 32: Routine Maintenance
Routine Maintenance 9-1 Lubrication Specifications 9-1-1 Description All Cumberland 40 Series machines are equipped with rotor bearings that are prelubricated and sealed for life and therefore require no further lubrication. 9-1-2 Screw Jack Lubrication Instructions Lifting screws should be checked periodically to ensure that they are adequately lubricated. - Page 33 3. Using a spring scale, apply a perpendicular force to any ONE of the belts at the midpoint of the span. 4. The motor position should be adjusted until the calculated deflection matches the force required. 40 Series Granulators Page 33...
- Page 34 The motor position should be adjusted until the deflection matches the force required. 7. In no case should the belts be over-tensioned as this can significantly reduce belt and/or bearing life. Figure 2 Belt Span and Deflection Page 34 40 Series Granulators...
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Page 35: Knife Removal & Adjustment
NOTE the relative position of each part before they are removed. 4. As the last screw is backed out, the knife clamp, knife and shim will require some support to prevent them from moving. 40 Series Granulators Page 35... -
Page 36: Rotor Knife Removal
It is important to note that the minimum dimensions given for the rotor knife and bed knife cannot be combined simultaneously to produce a cutting combination. NOTE: Replacement knife sets and knife re-sharpening services are available from Cumberland Europe Ltd. Contact the Customer Service Department at +44 (0)1453 768980. Page 36... -
Page 37: Rotor Knife Installation
4. Torque down the rotor bolts. Start from the center of the knife and torque down the bolts equally, working 40 Series Granulators Page 37... -
Page 38: Bed Knife Sharpening
NOTE: Replacement knife sets and knife re-sharpening services are available from Cumberland Europe Ltd. Contact the Customer Service Department at +44 (0)1453 768980. Page 38... -
Page 39: Bed Knife Installation & Setting
2. Align a rotor knife with the primary bed knife, in the front of the granulator. With a 0.15mm feeler gauge between the rotor and bed knife, start to adjust the bed knife into the rotor knife using the adjusting screw. 40 Series Granulators Page 39... - Page 40 7. After the clearance setting of both the primary and secondary bed knives is complete and checked, turn the rotor by hand to ensure that none of the rotor knives hit the bed knives. Page 40 40 Series Granulators...
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Page 41: Preventative Maintenance Service
(refer to Section 4-2). 9-9 Preventative Maintenance Service Follow a systematic preventative maintenance program to help avoid costly down time. Call the Cumberland Europe Ltd., Service Department, to arrange a schedule of inspections. This service can be tailored to fit your maintenance requirements. - Page 42 Clear the jammed material then visually Pieces of feedstock inspect the rotor to jammed in the rotor. ensure it is not damaged and that the knife gaps are correct. Page 42 40 Series Granulators...
- Page 43 Granulate builds up in clogged due to feedstock put into the the transition or tubing overloading of machine. machine per unit of time. Return air vents are Ensure the vents are covered or too small. open. 40 Series Granulators Page 43...
- Page 44 Replace or repair as worn. required. Fan tubing is not Connect as required. connected properly. Adjust knives to proper Knife gap is too large. gap specifications. Stringy granulate Sharpen or replace Knives are dull. knives and reinstall. Page 44 40 Series Granulators...
- Page 45 Plastic is clogging the screens or transition, Shut the machine down preventing proper fan and clean. Fines evacuation. Rotor speed is too fast. Change the pulleys. Change to a screen with Screen size is too small. larger holes. 40 Series Granulators Page 45...
- Page 46 (1) cyclone filter bag (optional) 12-2 Additional Parts If additional spare parts are required for your granulator, please consult the Cumberland Spare Parts Department. The serial numbers of the specific components will be required when ordering parts from Cumberland. NOTE: Refer to part numbers in the spare parts catalog when ordering replacement parts.
- Page 47 Service Notes 40 Series Granulators Page 47...
- Page 48 Service Notes Page 48 40 Series Granulators...
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