Laarmann LMFC250 User Manual
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Laarmann LMFC250 User Manual

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LMFC250 FINE CRUSHER
USER MANUAL
LAARMANN Group B.V.
Op het Schoor 6
6041 AV Roermond
Netherlands
info@laarmann.eu
www.laarmann.eu
webshop.laarmann.eu
+31 6 23 40 00 33

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Summary of Contents for Laarmann LMFC250

  • Page 1 LMFC250 FINE CRUSHER USER MANUAL LAARMANN Group B.V. info@laarmann.eu Op het Schoor 6 www.laarmann.eu 6041 AV Roermond webshop.laarmann.eu Netherlands +31 6 23 40 00 33...

  • Page 2: Table Of Contents

    LMFC250 FINE CRUSHER MANUAL 1 INTRODUCTION 1.1 Test Sheets and Declarations of Conformity 1.2 Commercial Summary 1.2.1 Warranty - Machines 1.2.2 Warranty - Wear Parts 1.2.3 Limitation of Liability 1.2.4 Warranty – Spare Parts 1.2.5 Manufacturing Data Records 1.2.6 Contact Information 1.4 About this Manual...
  • Page 3 LMFC250 FINE CRUSHER MANUAL 3 TRANSPORTATION & HANDLING 3.1 General Safety Rules 3.2 Storage, Transportation and Handling 3.2.1 Storage 3.2.2 Transportation 3.2.3 Handling 3.3 Unpacking 3.3.1 Packaging Details 3.3.2 Special Devices for Transportation 3.3.3 Upon Delivery 3.3.4 Unpacking the machine 3.3.5 Movement after Unpacking...
  • Page 4 LMFC250 FINE CRUSHER MANUAL 5 OPERATION 5.1 General Safety Rules 5.2 Functional Description 5.2.1 Purpose 5.2.2 Basic Construction 5.2.3 Principles of Operation 5.2.4 Modes of Operation 5.2.5 Controls 5.2.6 Alarms and Trip Set Points 5.2.7 Operating Parameters 5.3 Machine Data 5.3.1 Overview of the LMFC 250 Crusher...
  • Page 5 LMFC250 FINE CRUSHER MANUAL 6.6 Other Maintenance Procedures 6.7 Operator’s Tool kit 6.8 Cleaning. 6.9 Bolt Torque Settings 7 LUBRICATION 7.1 Lubrication Safety and other precaution 7.2 Data for Lubricants, Hydraulic Fluids, Coolants etc. 7.3 Lubrication Points 7.4 Lubrication Schedules 7.4.1 Routine Lubrication Maintenance Schedule (Example only)

  • Page 6: Test Sheets And Declarations Of Conformity

    LMFC250 FINE CRUSHER MANUAL Test Sheets, Declarations of Conformity and specification Please see the Declaration of Conformity located as last page in this manual. Use these documents for information on testing and conformance when installing, commissioning and maintaining this equipment.

  • Page 7: Commercial Summary

    1.2.4 Warranty – Spare Parts LAARMANN warrants that upon payment in full for any spare parts, it shall give good title of the goods to the Customer and that the goods shall be free from defects of material and workmanship.

  • Page 8: Contact Information

    LMFC250 FINE CRUSHER MANUAL 1.2.3 Contact Information HEAD OFFICE PRODUCTION & WAREHOUSE LAARMANN GROUP B.V. LAARMANN Competence Center and Warehouse Op Het Schoor 6 Op Het Schoor 6 6041 AV Roermond 6041 AV Roermond The Netherlands The Netherlands Ph: +31 6 23 40 00 33 info@laarmann.eu...

  • Page 9: Personal Protective Equipment (Ppe)

    LMFC250 FINE CRUSHER MANUAL 1.3.3 Personal Protective Equipment (PPE) The following table contains all the necessary Personal Protective Equipment (PPE) which may be required to be used. Each section - Installation, Lubrication, Maintenance and Workshop - will have an individual table showing what minimum PPE is required for that step or section.

  • Page 10: Definition Of Symbols Used

    LMFC250 FINE CRUSHER MANUAL 1.3.4 Definition of Symbols Used The following table shows other symbols that may be used throughout this manual. They will always appear under the first heading, General Safety Rules. Symbol Definition Action Required Assistance is required...

  • Page 11: Definitions And Abbreviations

    LMFC250 FINE CRUSHER MANUAL 1.3.5 Definitions and Abbreviations Shall / Must the words “shall” or “must” is to be understood as mandatory Should The word “should” as recommended but non-mandatory Job Safety Analysis Maintenance Management System (paper or computer based).

  • Page 12: General Identification

    2.1.1 Name Plate Location LAARMANN warrants that upon payment in full for any spare parts, it shall give good title of the goods to the Customer and that the goods shall be free from defects of material and workmanship. Characteristics of the Machine LAARMANN manufactures a range of Crushers to suit most applications.

  • Page 13: Characteristics Of The Component Parts

    LMFC250 FINE CRUSHER MANUAL Characteristics of the Component Parts The following details outline general information relating to parts used on the LMFC 250 Crusher. 2.3.1 Electric Motor 7.5 kW, 4 pole, 380-415 V 50 Hz three phase AC, or other power configurations as required.

  • Page 14: Transportation & Handling

    LMFC250 FINE CRUSHER MANUAL Transportation & Handling The following section outlines all the relevant storage, transport and handling requirements for the LMFC 250 Crusher. Minimum PPE used in this section General safety rules Only trained operators of forklifts or cranes are to lift or move the crated or un-crated LMFC 250 Crusher.

  • Page 15: Unpacking

    LMFC250 FINE CRUSHER MANUAL Unpacking Following is the procedure for unpacking the LMFC 250 Fine Crusher. Please follow these instructions to carefully remove the machine from the transportation packaging. 3.3.1 Packing details The LMFC 250 Crusher packing crate is manufactured to ISPM15 International Standard. Depending on the destination, the crate may be an open slat type or solid sided.

  • Page 16: Special Devices For Transportation

    Prior to unpacking, make a visual inspection of the packaging for transit damage. If any damage is evident, advise the transport company at the time of delivery or take photos and notes to forward to your supplier or LAARMANN in case more serious damage is detected once the machine is unpacked. 3.3.4 Unpacking the machine Follow the procedure below to unpack the LMFC 250 Crusher.

  • Page 17: Installation

    LMFC250 FINE CRUSHER MANUAL Installation General Safety Rules Minimum PPE Provision of the following is the responsibility of the end user. • Electrical supply and isolation procedures conforming to relevant company requirements. • Control safeguards and operational procedure including start-up and shutdown protocols.

  • Page 18: Vents And Drains

    The Crusher operates on a power supply of 380-415 V three-phase AC connected via a three phase plug and socket. Other voltage and frequency configurations are available on request. Contact details for LAARMANN can be found in Section 1 of this document.

  • Page 19: Installation Of Equipment

    LMFC250 FINE CRUSHER MANUAL 5 19 Installation of Equipment The machine comes as a complete unit, so no additional parts requiring installation will be included, unless specifically requested, such as optional extras. Ensure the standard issue of items indicated in Section 3 (Checklist of Supplied Parts) have been received.

  • Page 20: Testing The Crusher

    LMFC250 FINE CRUSHER MANUAL 5 20 4.4.3 Testing the Crusher The correct installation procedure for the LMFC 250 Crusher, being bolted to a concrete floor, is as follows: • Ensure the correct operation of all moving parts. • Ensure the stop and start buttons operate correctly.

  • Page 21: Functional Description

    LMFC250 FINE CRUSHER MANUAL 5 21 Functional Description 5.2.1 Purpose The LMFC 250 Jaw Crusher is a crushing device for mineral sampling. Depending on the type of material being crushed, ap- proximately 100 kg per hour can be crushed and collected in a tray beneath the jaws. Crushing size can be adjusted to client’s specifications, to a minimum of 2 mm particle size.

  • Page 22: Wet Commissioning, Starting And Stopping

    LMFC250 FINE CRUSHER MANUAL 5 22 Wet Commissioning, Starting and Stopping The following steps outline the procedure for correct wet commissioning of the Crusher. Perform a visual check on the machine to ensure there are no damaged or broken parts.

  • Page 23: Warm Up

    LMFC250 FINE CRUSHER MANUAL 5 5 23 5.6.5 Warm Up. Not applicable. 5.6.6 Checks During Operation Checks for the operation of this machine are as per the user’s company requirements. 5.6.7 Stop Procedure Stop procedures for this machine are as per the user’s company procedures.

  • Page 24: Preventative/Corrective Maintenance Schedule

    Visual inspection and inability to attain the minimum jaw gap will indicate the requirement to replace or rotate the jaw plates and side liner plates. Unusually rapid wear of any crushing component should be referred to LAARMANN for advice.

  • Page 25: Corrective Maintenance Troubleshooting Guide

    LMFC250 FINE CRUSHER MANUAL 5 5 25 Corrective Maintenance Troubleshooting Guide The Troubleshooting Guide following outlines possible causes to any problems which may occur with the LMFC 250 Crusher. Refer to the Preventative / Corrective Maintenance Work Instructions for details.

  • Page 26: Incorrect Particle Size Being Produced

    LMFC250 FINE CRUSHER MANUAL 5 5 26 6.5.2 Incorrect particle size being produced Warning: Personnel Danger/Hazard – Isolate the machine from all power before making any adjustments or jaw plate inspections. Failure to comply may result in personal injury or damage to the machine and void the warranty.
  • Page 27 LMFC250 FINE CRUSHER MANUAL 5 5 27 Shaft Serrations Clamp Block Hex machined on Shaft Fig 3. Serrations on the clamp block & shaft. Step 5 Using the supplied 46 mm spanner on the hex machined on the end of the shaft, turn the shaft until the jaw gap has closed.
  • Page 28 LMFC250 FINE CRUSHER MANUAL 5 5 5 28 Pointer not midway of the Screw Slot Reversible Pointer Plate Screw Slots Fig 5. Reversing the pointer plate. Step 6 Using the supplied 46 mm spanner on the hex machined on the end of the shaft, turn the shaft back until the pointer is lined up with the desired particle size, in mm, on the indicator plate.

  • Page 29: Material Not Feeding Into Crusher

    Check there is no blockage in the feed hopper. Isolate power to clear any blockage and check that the sample size is correct, no larger than 110 mm. On top of the LMFC250 there is a feeder mounted, transporting the ore towards the LMFC250.
  • Page 30 LMFC250 FINE CRUSHER MANUAL 5 5 5 30 Step 6: Using two (2) M8 eyebolts, carefully lift the jaw plate out from the Crusher frame leaving the T clamp at the bottom of the draw bolts. Note: The eyebolts screwed into the top end of the jaw plates make it easier to remove the plates from the machine.

  • Page 31: Vee Belts Slipping Or Crusher Not Operating

    LMFC250 FINE CRUSHER MANUAL 5 5 5 31 6.5.6 V belts slipping or Crusher not operating Follow the steps, if the V belts are slipping or the Crusher is not operating Belt Tension Bolts, Nuts & Washers Top Cover Motor...

  • Page 32: Crusher Will Not Start

    LMFC250 FINE CRUSHER MANUAL 5 5 5 32 6.5.7 Crusher will not start Follow the following steps, if the Crusher will not start. Step 1: Check the electrical supply to the Crusher and have an electrician check all the electrical connections to the Crusher and control buttons and specifically the motor.

  • Page 33: Other Maintenance Procedures

    LMFC250 FINE CRUSHER MANUAL 5 5 5 33 Other Maintenance Procedures Please contact LAARMANN for any additional technical documentation covering detailed overhaul procedures. Operator’s Tool kit Listed below are a number of tools that are recommended for use with the LMFC 250 Crusher.

  • Page 34: Lubrication

    LMFC250 FINE CRUSHER MANUAL 5 5 5 34 Lubrication Lubrication Safety and other precautions The procedure that follows outlines the proper method for routinely and safely lubricating the Crusher. Lubrication must not be carried out when the Crusher is running.

  • Page 35: Lubrication Schedules

    LMFC250 FINE CRUSHER MANUAL 5 5 5 35 Lubrication Schedules The following Table illustrates a suggested initial lubrication schedule to be administered to the LMFC 250 Crusher. However, due to the myriad of variables with each installation (Bearing size and type, operating temperatures, load bearings, vibrations in equipment, methods of application etc.) the frequency of lubrication applied should be modified over time according to ex-...

  • Page 36: General Safety Rules

    LMFC250 FINE CRUSHER MANUAL 5 5 5 36 General Safety Rules Minimum PPE required for jobs contained in the workshop section of this manual. Operator’s Controls Test and Inspection Procedures Procedures for testing and inspection of the LMFC 250 Crusher are as per the user’s company requirements.

  • Page 37: Bolt Torque Settings

    LMFC250 FINE CRUSHER MANUAL 5 5 5 37 Bolt Torque Settings The list that follows indicates recommended torque ratings for bolts used on the LMFC 250 Crusher. Torque Setting Torque Setting Torque Setting Torque Setting Description Grade 4.6 Grade 8.8 Grade 10.9...

  • Page 38: General Content

    LMFC250 FINE CRUSHER MANUAL 5 5 5 38 General content The following sections outline details of the Sub-Assemblies and Parts of the LMFC 250 Jaw Crusher. Major Assemblies 9.2.1 List of Major Assemblies The following list and Figure below detail the Major Assemblies of the LMFC 250 Jaw Crusher.

  • Page 39: Parts Lists

    LMFC250 FINE CRUSHER MANUAL 5 5 5 39 Parts Lists 9.3.1 Parts of the Main Body Assembly The Parts List quantities and location of parts which may be required for use on the LMFC 250 Main Body Assembly. Item Description Item No.

  • Page 40: Parts Of The Drive Side & Flywheel Covers

    LMFC250 FINE CRUSHER MANUAL 5 5 5 40 9.3.2 Parts of the Drive Side & Flywheel Covers The Parts List, quantities and location of parts which may be required for use on the LMFC 250 Drive Side and Flywheel Covers.

  • Page 41: Parts Of The Pitman Arm Assembly

    LMFC250 FINE CRUSHER MANUAL 5 5 5 41 9.3.3 Parts of the Pitman Arm Assembly The Parts List and Figure below, illustrate the details, quantities and location of parts which may be required for use on the LMFC 250 Pitman Arm Assembly.

  • Page 42: Parts Of The Crank Arm Shaft Assembly

    LMFC250 FINE CRUSHER MANUAL 5 5 5 42 9.3.4 Parts of the Crank Arm Shaft Assembly The Parts List, quantities and location of parts which may be required for use on the LMFC 250 Crank Arm Shaft Assembly. Fig 15. Parts of the LMFC 250 crank arm shaft assembly.

  • Page 43: Parts Of The Crank Arm Shaft Assembly

    Fig 15. Parts of the LMFC 250 crank arm shaft assembly. Item Description Item No. / Type Supplier Quantity Bottom shaft 012-002-200 LAARMANN Bearing housing for pitman shaft 012-002-134 LAARMANN LMFC250 pitman shaft bearing housing cap 012-002-132 LAARMANN Bearing Seal...

  • Page 44: Parts Of The Indicator Assembly

    LMFC250 FINE CRUSHER MANUAL 5 5 5 44 9.3.6 Parts of the Indicator Assembly The Parts List and Figure below, illustrate the details, quantities and location of parts which may be required for use on the LMFC 250 Pitman Shaft Assembly.

  • Page 45: Parts Of The Crank Arm Assembly

    LMFC250 FINE CRUSHER MANUAL 5 5 5 45 9.3.7 Parts of the Crank Arm Assembly The Parts List and Figure below, illustrate the details, quantities and location of parts which may be required for use on the LMFC 250 Crank Arm Assembly.

  • Page 46: Parts Of The Motor Assembly

    9.3.8 Parts of the Motor Assembly For any parts required, that do not have an Item Number showing in this Manual Parts List, please contact LAARMANN. Contact details for LAARMANN can be found in Section 1 of this document. fig 19. Parts of the LMFC 250 motor assembly.

  • Page 47: Ce-Certificate

    All supply voltages and frequencies as stated on the rating plate must be used. External power cables and connectors must be supplied by LAARMANN. Any additional equipment used must be of a type approved by LAARMANN. This conformity certificate will lose its validity in case of: •...

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