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Martin DT2S Installation Instructions Manual

Secondary cleaner
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MARTIN
DT2S Secondary
Cleaner
Installation Instructions
M3687UK

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  • Page 1 ® MARTIN DT2S Secondary Cleaner Installation Instructions M3687UK...
  • Page 2 © Martin Engineering GmbH M3687UK-12/17...

  • Page 3: Table Of Contents

    ..........29 5.2.10 Tightening the cleaner ..........30 Operation with loading..........36 Placement of warning labels and warning tags ... 38 Maintenance ..............39 Safety information ............39 Weekly maintenance............39 Replacing the blades ........... 42 © Martin Engineering GmbH M3687UK-12/17...
  • Page 4 Warning labels / Warning tags .......... 54 ® MARTIN DT2S Secondary cleaner......55 MARTIN ® DT2SC Secondary cleaner cartridge ... 58 MARTIN ® DT2S Spring tensioner ........ 60 MARTIN ® DT2S Air tensioner ........62 Declaration of Incorporation ..........64 © Martin Engineering GmbH M3687UK-12/17...

  • Page 5: Introduction

    Terms of Sales and Delivery shall apply. 2.1.3 Exclusion of liability Martin Engineering guarantees the flawless function of its product in accordance with its advertising, the published product information and its technical documentation. Martin Engineering shall assume no liability for efficiency and flawless function if the product is used for a purpose other than that described in the “Intended Use”...

  • Page 6: Reference To Additional Documents

    Martin Engineering products are designed for a long service life. They conform to the state of the art in science and technology and were thoroughly inspected before shipment. In addition to this, Martin Engineering constantly performs product and market research for continuous product development.

  • Page 7: Classification Of The Hazards

    NOTE Contains comments about the installation and/or the product's usage to point out situations which cause neither personal injury nor property damage but include important information. © Martin Engineering GmbH M3687UK-12/17...

  • Page 8: Intended Usage

    Every other usage of this product is deemed as misuse. Please contact Martin Engineering customer service if you would like to use this product for a different purpose. We will be happy to assist you with the product configuration.

  • Page 9: Restrictions On The Use Of The Product

    Usage in a higher equipment protection category or under other operating conditions than those specified by Martin Engineering shall be deemed misuse and is only permitted if approved by Martin Engineering. Operation of this product is only permitted if all parts are in a flawless state.

  • Page 10: Duties Of The Owner-Operator

    Operating, maintenance and installation personnel Personnel are considered authorised when they have been trained on using the product and have read and understood these operating instructions in their entirety. © Martin Engineering GmbH M3687UK-12/17...

  • Page 11: Description Of The Product

    The owner-operator is responsible for taking the required countermeasures. In the case of applications with contaminants, Martin Engineering or one of its representatives can assist with the positioning or with special solutions. © Martin Engineering GmbH...

  • Page 12: Type Designation

    Type designation The Martin ® DT2S secondary cleaners can be equipped with various blade types: • Reversing blades with tungsten carbide inserts Also available completely of urethane or stainless steel for reversing operation or conveyor belts with a high return flow rate.

  • Page 13: Preparing For The Installation

    • Is the delivery complete? Does the number of pallets/ crates/containers delivered match the number on the delivery note? • Do all of the transport packages appear to be undamaged? Does damage to the packaging indicate possible damage to the product contained inside? © Martin Engineering GmbH M3687UK-12/17...
  • Page 14 • Two Conveyor Products Warning Labels, Part No. 23395 • Two Crushing Hazard Warning Labels Part No. 30528 4. Report any missing or damaged parts to Martin Engineering or one of its authorised dealers. © Martin Engineering GmbH M3687UK-12/17...

  • Page 15: Installation

    The chute wall on which the inline reversing tensioner is to be installed is designated as the "operator side". The other chute wall is referred to as the "far side". When dual inline reversing tensioners are installed, the easiest side to access is the "operator side". © Martin Engineering GmbH M3687UK-12/17...

  • Page 16: Installation Process

    • Follow the instructions given in Section 5.2.3. Installation on an open transfer system Use the equipment provided at the site to comply with the dimensions for correct installation. © Martin Engineering GmbH M3687UK-12/17...

  • Page 17: Determination Of The Installation Position

    5.2.1 Determination of the installation position Fig. 1 NOTE The installation dimension recommended by Martin Engineering, the cleaner must not be installed further than 51 mm from the head pulley as otherwise a counter-pressure roller is required. Item Description Centre point of the driving drum...
  • Page 18 Spring tensioner Bottom Mount Fig. 2 NOTE Martin Engineering recommends installing a MARTIN ® inspection door for the purpose of better accessibility for maintenance and repairs. © Martin Engineering GmbH M3687UK-12/17...
  • Page 19 (7, Fig. 1) on the chute wall. 7. Create the cut-out for the installation opening at the points marked in Step 5. 8. Drill the holes for the installation (Ø14 mm). 9. Repeat steps 1 to 8 on the far side. © Martin Engineering GmbH M3687UK-12/17...

  • Page 20: Conversion Of The Bottom Mount Spring Tensioner To Top Mount

    2. Unscrew the threaded rod (10, Fig. 3 right) with the locknut (9, Fig. 3 right) clockwise. Fig. 4 3. Slide the bracket all the way to the top. 4. Turn all of the locknuts and the adjusting nut counter-clockwise and remove them from the threaded rod. © Martin Engineering GmbH M3687UK-12/17...
  • Page 21 10. Slide the tension spring with its washers and bolts (Fig. 6 centre right) up to the hex nuts on the threaded rod. 11. Screw the counter hex nut (9) (Fig. 6 right) counter-clockwise, as in the picture, onto the threaded rod. © Martin Engineering GmbH M3687UK-12/17...
  • Page 22 14. Rotate the installation bracket (1, Fig. 8) by 180°. (omitted for the far side) NOTE The spring tensioner on the far side is a mirrored version that on the operator side. 15. Insert the guide rods (2, Fig. 8). (omitted for the far side) © Martin Engineering GmbH M3687UK-12/17...
  • Page 23 16. Insert the locking bolts (14, Fig. 8). (omitted for the far side) Fig. 10 17. Insert the tension spring with threaded rod. 18. Use hammerlock cotter pins (6, Fig. 10) to secure the tension spring bolt. © Martin Engineering GmbH M3687UK-12/17...
  • Page 24 Fig. 11 19. Use the locknut (9, Fig. 11 left) to screw in the threaded rod. 20. Tighten the locknut (9, Fig. 11 right) and so secure the threaded rod. © Martin Engineering GmbH M3687UK-12/17...

  • Page 25: Replacing Springs

    (Also see Section 9.8 for spare parts). 4. Assemble the threaded rod as shown in Fig. 12. NOTE Figure 12 left – Bottom Mount. Figure 12 right – Top Mount. 5. Reinstall the threaded rod. © Martin Engineering GmbH M3687UK-12/17...

  • Page 26: Installing The Tensioner

    5.2.4 Installing the tensioner NOTE The tensioners are pre-assembled by Martin Engineering before shipment. The tensioner is shipped in the Bottom Mount (Sec. 9.8) installation option. The conversion to the Top Mount option must be made before installation on the chute wall (Sec. 5.2.2).

  • Page 27: Installing The Cleaner

    Installing the cleaner NOTE The cartridge with the cleaner blades is pre-installed on the mainframe by Martin Engineering before shipment. Fig. 14 1. Insert the mainframe with the installed cartridge (1, Fig. 14) into the mounting bracket from the operator side.

  • Page 28: Securing The Cleaner

    Securing the cleaner Fig. 15: Operator side 1. Insert the hitch pins. 2. Insert the lock pin into the hitch pin. Fig. 16: Far side 3. Use the screws (17, 18, Fig. 16) to secure the mainframe. © Martin Engineering GmbH M3687UK-12/17...

  • Page 29: Centring The Secondary Cleaner Beneath The Conveyor Belt

    Tab. 3: Centring the secondary cleaner beneath the conveyor belt NOTE In the case of cleaner variants with an extended mainframe, an initial rough centring is made by selecting the suitable adjustment hole. The blades can then be centred as well. © Martin Engineering GmbH M3687UK-12/17...

  • Page 30: Aligning The Secondary Cleaner In Parallel To The Driving Drum Axis

    Top view of the blades Driving drum Driving drum axis Chute wall Tab. 4: Top view of aligning the secondary cleaner in parallel to the conveyor belt NOTE The installation must be repeated if the clearances are not identical. © Martin Engineering GmbH M3687UK-12/17...

  • Page 31: Aligning The Secondary Cleaner Horizontally To The Driving Drum Axis

    In the case of the spring tensioner, one side can be corrected upwards if the clearances are not identical. Loosen the locknuts (1, Fig. 20 left) for this. The adjusting nut (2, Fig. 20 right) can be used to correct the position upwards. © Martin Engineering GmbH M3687UK-12/17...

  • Page 32: Tightening The Cleaner

    The distance from the conveyor belt in this process must remain identical over the entire length of the blade. Deviations must either be corrected or the process must be started again from the beginning. Fig. 21 © Martin Engineering GmbH M3687UK-12/17...
  • Page 33 [mm] [mm] 400-500 1400-1600* 500-650 1600-1800* 650-800 1800-2000* 800-1000 2000-2200* 1000-1200 2200-2400* 1200-1400 2600-2800* Tab. 7: Values - Bottom Mount *A stronger spring is used for belt widths of 1400 mm and greater (Sec. 5.2.3). © Martin Engineering GmbH M3687UK-12/17...
  • Page 34 The blades should contact the conveyor belt gently and without vibration. 6. Stop the conveyor belt. 7. Shut off the conveyor system's power supply. 8. Readjust the spring tensioner if required. 9. Tighten the locking nuts against the adjusting nuts on both sides. © Martin Engineering GmbH M3687UK-12/17...
  • Page 35 Air bellows on the far side Compressed air connection on the operator side Compressed air connection of the air bellows on the far side Ball valve External compressed air connection Housing Handle Hitch pin Tab. 8: Compressed air supplies © Martin Engineering GmbH M3687UK-12/17...
  • Page 36 Required pressure [mm] [bar] [mm] [bar] 400-500 0.34 1400-1600 0.97 500-650 0.41 1600-1800 1.03 650-800 0.55 1800-2000 1.24 800-1000 0.69 2000-2200 1.45 1000-1200 0.76 2200-2400 1.59 1200-1400 0.90 2600-2800 1.72 Tab. 9: Compressed air values © Martin Engineering GmbH M3687UK-12/17...
  • Page 37 A certain waiting period is required every time the setting is changed to relieve any excess pressure. 13. Lock the pressure reducer when the suitable contact pressure is reached. 14. Close the housing. © Martin Engineering GmbH M3687UK-12/17...

  • Page 38: Operation With Loading

    51 mm against the running direction (3, Fig. 23) to support the conveyor belt. 2. Remove all tools and fire protection covers from the installation site and the conveyor belt. 3. Operate the conveyor system for one hour under load. © Martin Engineering GmbH M3687UK-12/17...
  • Page 39 • Bulk material accumulation: No bulk materials may accumulate between the blades and return side. 7. Note the corresponding information in Section 7 "Troubleshooting" in cases of excess wear, bulk material accumulation or other problems. © Martin Engineering GmbH M3687UK-12/17...

  • Page 40: Placement Of Warning Labels And Warning Tags

    Körperteile und/oder Kleidung können durch rotierende Bauteile oder durch das sich bewegende Förderband eingezogen werden. Vor jeglichen Installations- bzw. Wartungsarbeiten die Stromversorgung zur Förderbandanlage und dessen Zubehör abschalten und gegen unbefugtes Einschalten sichern. Warnschilder verwenden! Fig. 24 © Martin Engineering GmbH M3687UK-12/17...

  • Page 41: Maintenance

    3. Inspect whether all of the fastening parts are securely tightened. Tighten any loose connections. 4. Check the cleaner force and re-tighten if necessary. 5. Check the blades for wear, damage and missing parts. © Martin Engineering GmbH M3687UK-12/17...
  • Page 42 Take the corresponding parts of the conveyor system out of service if any indications of functional disturbances are noticed. Contact Martin Engineering or one of its representatives for support. Do NOT start up the conveyor system until the cause of the problems has been recognised and eliminated.
  • Page 43 A risk of damage due to overheating exists for the belt cleaner and/or the conveyor belt. Never operate the belt cleaner unless the conveyor belt is running. 10. Observe the cleaner and check its cleaning performance. © Martin Engineering GmbH M3687UK-12/17...

  • Page 44: Replacing The Blades

    • Spring tensioner: Turn the locknuts (1, Fig. 25) fully upwards. Loosen the adjusting nuts (2, Fig. 25) equally on both sides and turn them completely upwards. • Air tensioner: Bleed the compressed air line. © Martin Engineering GmbH M3687UK-12/17...
  • Page 45 Fig. 26 3. Remove the locking pin. Fig. 27 4. Release and remove the hitch pin's locking pin. 5. Remove the hitch pin. © Martin Engineering GmbH M3687UK-12/17...
  • Page 46 If both end stops are to be removed, then first mark their position in the cartridge so that the blades can be correctly positioned following the re-assembly. The blades must be realigned on the cartridge if the positions were not marked. (Sec.5.2.5 ff). © Martin Engineering GmbH M3687UK-12/17...
  • Page 47 Ensure alignment with the running direction of the conveyor belt when in-line blades are used. Please ensure when reversing blades are used that no gaps form between the blades since these protrude on one side and interlock. Belt travel direction Fig. 31 © Martin Engineering GmbH M3687UK-12/17...
  • Page 48 Insert new blades (1, Fig. 31) into the cartridge. d) Slide in the blade up to the stop (Fig. 31). Fig. 33 e) Insert the end stops (10, Fig. 32). NOTE Note the markings made previously if both end stops were removed. © Martin Engineering GmbH M3687UK-12/17...
  • Page 49 Fig. 34 10. Slide the cartridge by its grip (6, Fig. 33) onto the mainframe (1, Fig. 33). Fig. 35 11. Insert the hitch pin. 12. Insert the locking pin into the hitch pin. © Martin Engineering GmbH M3687UK-12/17...
  • Page 50 13. Tension the locking screws on the far side. 14. Check the screw connections for tight fit and re-tighten when necessary. 15. Tension the cleaner. NOTE The position of the cleaner and/or tensioner may need to be readjusted (Sec. 5.2.4 et seq.). © Martin Engineering GmbH M3687UK-12/17...

  • Page 51: Troubleshooting

    Malfunctions other than those listed below can therefore occur. In this case, either Martin Engineering or one of its representatives can assist with the positioning or with special solutions. Do not start up the conveyor system again until the fault has been recognised and cleared.
  • Page 52 Reduce the force on the blades to mainframe. the highest recommended value specified in the installation instructions (a slight deflection is to be seen as normal. Contact Martin Engineering if very large deflection occurs). The blades are The blade is too heavily...

  • Page 53: Storage, De-Installation, Disposal

    Storage, De-installation, Disposal Packing and transportation The products described here are packed and shipped by Martin Engineering. The products may be transported solely in the Martin Engineering packaging. The logistics company in charge of the shipment shall be responsible for any damage and/or loss.

  • Page 54: Part Numbers

    Part numbers This section lists the product designations with their associated part numbers for the MARTIN ® DT2S Secondary Cleaner and its accessories. Please indicate the part numbers in every order. Explanation of part numbers ® MARTIN DT2S secondary cleaner...
  • Page 55 Reversing blade made from urethane Cleaning width in inches Urethane colour ØØ: No blades Brown (resistant to chemicals) Green (resistant to temperature) Orange Parameter description Mild steel (1.0037) - painted (RAL 2004) Stainless steel (1.4571) © Martin Engineering GmbH M3687UK-12/17...

  • Page 56: Martin ® Inspection Doors

    Part no. 33288 • Reversing installation brackets (single) Part no. 33282 • Reversing "Z" bracket ® Part no. 31158; for use with MARTIN Inspection doors. Warning labels / Warning tags • Conveyor Products Warning Label: Part no. 23395 • Crushing Hazard Warning Label: Part no.

  • Page 57: Martin ® Dt2S Secondary Cleaner

    MARTIN DT2S Secondary cleaner ® Fig. 36 © Martin Engineering GmbH M3687UK-12/17...
  • Page 58 © Martin Engineering GmbH M3687UK-12/17...
  • Page 59 © Martin Engineering GmbH M3687UK-12/17...

  • Page 60: Martin ® Dt2Sc Secondary Cleaner Cartridge

    MARTIN DT2SC Secondary cleaner cartridge ® CL = Cartouche Length / Kartuschenlänge AL = Adaptor Length / Aufnahmelänge Fig. 37 © Martin Engineering GmbH M3687UK-12/17...
  • Page 61 Item / Qty. / Description / Beschreibung P/N / Teile-Nr. Pos. Anz. DT2S split track mainframe / DT2S Hauptrahmen mit geteilter s.C. / s.T. Blattaufnahme Durt Tracker Split frame / Seitenführung s.C. / s.T. s.C. / s.T. Washer flat 1/2" wide / Unterlegscheibe breit s.C.

  • Page 62: Martin ® Dt2S Spring Tensioner

    MARTIN DT2S Spring tensioner ® Operator side / Far side / Bedienerseite Gegenüberliegende Seite s.N. / s.B. s.N. / s.B. s.N. / s.B. s.N. / s.B. Top mount Bottom mount min. 68 min. 94 max. 110 max. 197 44,45 (51) Fig.
  • Page 63 Replace Pos. 7 with Pos. 24 and Pos. 4 and Pos. 8 with Pos. 25 for belt widths above 54 (1400) / Für Förderbandbreiten über 1400 mm Pos. 7 gegen Pos. 24 und Pos. 4 und Pos. 8 gegen Pos. 25 austauschen Pos. 16-19 are partial shipped loose / Pos. 16-19 sind teilweise lose beigelegt © Martin Engineering GmbH M3687UK-12/17...

  • Page 64: Martin ® Dt2S Air Tensioner

    MARTIN DT2S Air tensioner ® Far side / Operator side / Gegenüberliegende Seite Bedienerseite Fig. 39 © Martin Engineering GmbH M3687UK-12/17...
  • Page 65 Square head screw 1/2"-13NC X 2" / Vierkantschraube 22763-06 Square head screw 1/2"-13NC X 1-1/2" / Vierkantschraube 33190 Ext retaining ring f/1,5" shaft / Sprengring für Ø1,5" Schaft 38301 Pos. 8-11 are shipped loose / Pos. 8-11 sind lose beigelegt © Martin Engineering GmbH M3687UK-12/17...

  • Page 66: Declaration Of Incorporation

    Product designation: Conveyor belt cleaner of make / type: ® MARTIN DT2S secondary cleaner with serial number: not required meets the following requirements: Machinery Directive 2006/42/EC DIN EN 618 - Equipment and systems for bulk materials...
  • Page 67 France Italy Martin Engineering SARL Martin Engineering Italy Srl 50 Avenue d‘Alsace, 68025 Colmar Cedex, France Via Buonarroti, 43/A, 20064 Gorgonzola (MI), Italy Tel +33 389 20 63204; Fax +33 389 20 4379 Tel +39 295 3838 51; Fax +39 295 3838 15 info@martin-eng.fr;...

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