Lagler HUMMEL Operation Maintenance Safety
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Lagler HUMMEL Operation Maintenance Safety

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BELT SANDING MACHINE HUMMEL
AUS
CAN
GB
IRL
NZ
USA
Operation,
Maintenance, Safety
Operating instructions for the belt sanding machine
HUMMEL

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Summary of Contents for Lagler HUMMEL

  • Page 1 BELT SANDING MACHINE HUMMEL Operation, Maintenance, Safety Operating instructions for the belt sanding machine HUMMEL...
  • Page 2 HUMMEL - ASSEMBLIES Cable support Lowering lever Handle Dust bag On/Off switch Switch box Drive motor Operating lever, drive unit Safety guard Bracket Belt guard Lateral wheel Bumper felt Side cover Fig. 1 Assemblies of the HUMMEL belt sanding machine...

  • Page 3: Table Of Contents

    Commissioning ................................8 Preparing the machine for operation .........................8 Starting the machine ..............................10 Switching off the machine ............................10 Working with the HUMMEL ............................11 Application tips ................................11 Changing the sanding belt ............................12 Regulating the sanding drum pressure ........................13 Emptying the dust bag ..............................13 Transport and storage ..............................14...

  • Page 4: Introduction

    HUMMEL and will be able to provide any assistance you may need. The HUMMEL belt sanding machine is intended for dry use only. Never attempt to use the HUMMEL for any wet process (risk of fatal accidents)! 1.3 INTENDED USE OF THE MACHINE The HUMMEL belt sanding machine is suitable for sanding wooden and cork floors, plastic skating rinks and tartan running tracks.

  • Page 5: Danger Warnings

    In order to avoid injury caused by the sanding belt, the machine may never be switched on when tilted backward. Use only tools, accessories and spares intended for the HUMMEL supplied by LÄGLER. No warranty cover exists for parts sourced...

  • Page 6: Safety Devices

    TECHNICAL DATA 1.5 SAFETY DEVICES The following parts of the machine are safety devices and must accordingly be kept in perfect working order: Sealing felt = Dust shield Side cover = Dust shield, sanding belt protection Machine housing = Sanding belt protection Belt guard = V-belt protection Technical data...
  • Page 7 TECHNICAL DATA Intended applications Never use the sanding machine for any type Sanding wooden and cork floors, plastic skating rings, with special of wet operation! version also machining of sheet metal surfaces. When the machine is switched on, a se- Basic equipment rious residual risk still remains despite Machine ready for operation, dust bag, MultiClip for dust bag fixture,...

  • Page 8: Commissioning

    COMMISSIONING Commissioning This section describes the procedure for commissioning the HUMMEL on site. In order to exclude the possibility of damage and malfunctions, it is essential to proceed in the sequence outlined below. Before working with the machine for the first time, operating staff must be adequately instructed! 3.1 PREPARING THE MACHINE FOR OPERATION...
  • Page 9 PREPARING THE MACHINE Position the sanding belt on the tensioning roller and push it over the sanding drum (Fig. 8). Position the sanding belt so that it evenly covers the sanding drum (Fig. 9). To tension the sanding belt, press the tensioning lever down- wards (Fig.

  • Page 10: Starting The Machine

    STARTING THE MACHINE 3.2 STARTING THE MACHINE ATTENTION! Never switch on the motor before tensioning the sanding belt! Never switch on the motor unless the sanding drum is raised off the floor! Once the preparatory stages have been completed, the machine can be started.

  • Page 11: Working With The Hummel

    WORKING WITH THE HUMMEL Working with the HUMMEL 4.1 APPLICATION TIPS For more information free of charge, please apply to within Germany: It is possible to avoid leaving deep sanding tracks caused by exces- - Tel.: 0800 / 52 34 537...

  • Page 12: Changing The Sanding Belt

    CHANGING THE SANDING BELT 4.2 CHANGING THE SANDING BELT Depending on the type of sanding process you wish to perform, different abrasive grit sizes can be selected. In order to change the abrasive, proceed as follows: Switch off the machine. Pull the mains plug out of the socket before performing any work at the machine! Fig.

  • Page 13: Regulating The Sanding Drum Pressure

    REGULATING THE SANDING DRUM PRESSURE 4.3 REGULATING THE SANDING DRUM PRESSURE The lever can be used to set three different drum pressure stages. These three stages - COARSE / MEDIUM / FINE - are designated on the notch plate as -GROB / MITT. / FEIN- (Fig. 16). The pressure stage indications relate to the grit size sequence.

  • Page 14: Transport And Storage

    TRANSPORT AND STORAGE Transport and storage 5.1 DISMANTLING THE MACHINE For transportation, the machine can be dismantled into three parts: Guide tube, motor and machine housing. All parts must be adequately secured against slipping while being transported in the delivery van etc. During manual transport over roads and pavements, to protect the wheels and sanding drum, use the TransCart (for Art.

  • Page 15: Assembly After Transportation

    Fig. 20 Remove the suction V-belt. 5.2 ASSEMBLY AFTER TRANSPORTATION When assembling the HUMMEL after transport, adhere to the fol- lowing sequence of work steps: Place the motor in the motor bearing bracket and tighten the motor nuts.

  • Page 16: Maintenance

    MAINTENANCE Maintenance Periodically but at the latest when you notice that damage has oc- curred, a variety of maintenance procedures have to be performed. For this work, use exclusively original spare parts from LÄGLER. Work in a clean, well lit location and proceed in accordance with these instructions.
  • Page 17 CLEANING AND CARE INSTRUCTIONS 6.1.1 THE DRIVE UNIT The drive unit should be removed and cleaned at least once a week if the machine is used every day. The drive unit is removed using the following procedure: Switch the machine off and pull the mains plug out of the socket! Ensure that the sanding drum is raised off the floor.

  • Page 18: Lubrication

    LUBRICATION 6.2 LUBRICATION For general upkeep of the machine, after around 100 operating hours we recommend sparing lubrication of the two lubrication nipples at the wheel bearings using a manual grease gun (tool kit) using ball bearing grease. IMPORTANT In newer models, this lubrication point has been replaced by a self- lubricating plastic bushing.

  • Page 19: Checking The Machine Setting

    CHECKING THE MACHINE SETTING Always set the belt tracking using a sanding belt with as fine a grit size as possible (= flexible belt). This is because the more flexible the sanding belt, the precisely it is possible to set the tensioning roller.
  • Page 20 CHECKING THE MACHINE SETTING For setting, first take the actual position of the adjustable wheel using the setting fixture. Position the fixture against the machine housing in such a way that it rests not only against the machine housing on both sides, but also at the adjust- able wheel.

  • Page 21: Checking The Dust Pick-Up

    CHECKING THE DUST PICK-UP 6.5 CHECKING THE DUST PICK-UP In order to guarantee optimum dust pick-up for your safety and that of others, the following points must be observed: • Always used original LÄGLER dust bags. • Never use damaged dust bags. •...
  • Page 22 EXCHANGING THE TENSIONING ROLLER If the sanding drum is too stiff to move, use a wooden lever (see Fig. 41) to dislodge it, so as not to damage the machine. Never attempt to loosen the sanding drum by hitting with a hammer! Clean the shaft stump and oil it slightly.
  • Page 23 EXCHANGING THE BACK WHEEL 6.6.3 EXCHANGING THE BACK WHEEL (WHEEL ONLY OR WHEEL ASSEMBLY) Use exclusively original LÄGLER back wheels (Art. no. in Section 10). Switch off the machine and pull the plug out of the socket! Tilt the machine forward over the bracket. Ensure that the machine is standing securely! Fig.
  • Page 24 EXCHANGING THE LATERAL WHEELS 6.6.4 EXCHANGING THE LATERAL WHEELS Use exclusively original LÄGLER lateral wheels (Art. no. in Section 10). Switch off the machine and pull the plug out of the socket! Tilt the machine back over the safety guard (Fig. 34). Ensure that the machine is standing securely! Fig.
  • Page 25 EXCHANGING THE V-BELT 6.6.5 EXCHANGING THE V-BELT Use exclusively original LÄGLER V-belts (Art. no. in Section 10). Switch off the machine and pull the plug out of the socket! To remove the V-belt, open the belt guard (Fig. 49) and release the V-belt tension by loosening the eye bolt (Fig.

  • Page 26: Regular Maintenance And Testing In Accordance With Accident Prevention Regulations

    TESTING AND MAINTENANCE WORK 6.7 REGULAR MAINTENANCE AND TESTING IN ACCORDANCE WITH ACCIDENT PREVENTION REGULATIONS The electrical operating equipment and machine components must be checked for their electrical and mechanical safety at least once a year by a specialized staff member, repaired if necessary and then their safety certified by application of a test seal on the machine.

  • Page 27: Troubleshooting

    • The thermal switch has tripped. Allow the machine to cool familiar with the HUMMEL and will be able to down. provide any assistance you may need. The machine attempts to start up but is inhibited The circuit diagram applicable for your ma- •...

  • Page 28: General Safety Remarks

    GENERAL SAFETY REMARKS The machine is running well but creating dust • The dust bag is over-full. • The dust bag is not correctly mounted or damaged. • The sealing felt is damaged. • Check the suction system for blockages and clean if neces- sary.
  • Page 29 GENERAL SAFETY REMARKS Keep away from sources of fire. Do not smoke when in a dust-laden atmosphere (e.g. during work or when emptying the dust bag) danger of dust explosion. Guard against electric shocks Avoid bodily contact with earthed components such as pipes, radia- tors, stoves, fridges.
  • Page 30 GENERAL SAFETY REMARKS regularly and have them exchanged by an expert if damaged. Check ATTENTION! the extension cable regularly and replace if damaged. Keep all For your own safety, only use accessories and handles dry and free of oil and grease. attachments which are indicated in the operating instructions or offered in the relevant catalogue.

  • Page 31: Circuit Diagram

    Hi = auxiliary winding operation motor 2.2 kW 230 V / 50 CPS HUMMEL + ELF: single-phase AC motor 2.2 kW / 230 V / 50 CPS EUGEN LÄGLER GMBH Telefon: +49 - 7135 - 98 90 - 0 E-Mail: info@laegler.com...
  • Page 32 2.2 kW 220 + 230 V / 60 CPS 2.2 kW / 220 V / 60 CPS HUMMEL + ELF: single-phase AC motor 2.2 kW / 230 V / 60 CPS EUGEN LÄGLER GMBH Telefon: +49 - 7135 - 98 90 - 0 E-Mail: info@laegler.com...
  • Page 33 S0 = emergency switch operation motor 2.9 kW 220 V / 60 CPS USA-version 2.9 kW / 220 V / 60 CPS HUMMEL + ELF: single-phase AC motor USA-version EUGEN LÄGLER GMBH Telefon: +49 - 7135 - 98 90 - 0 E-Mail: info@laegler.com...

  • Page 34: Spare Parts

    SPARE PARTS...
  • Page 35 SPARE PARTS Pos. Product-No. Description 0125.1008.000 Washer 0980.1008.000 0912.1008.025 Hexagonal socket head screw 100.50.00.100 Belt guard, complete 6797.1008.000 Toothed lock washer 0933.1008.016 Hexagonal head screw 000.01.40.001 O-ring 100.50.04.105 Screw stud 7500.1005.012 Lens head screw 100.01.05.105 Cover fastener 100.58.00.200 Belt tensioner, complete 100.01.00.100 Housing 000.20.45.083...
  • Page 36 SPARE PARTS...
  • Page 37 SPARE PARTS Pos. Product-No. Description 100.00.80.105 Dust bag HUMMEL 000.17.21.081 Fixing cap 0125.1008.000 Washer 000.20.56.351 Ball knob 100.20.18.200 Lever 0471.0015.000 Circlip 0580.1008.000 Thread eye 0980.1008.000 000.01.40.011 Strain relief ring 100.20.26.100 Cable support, complete 100.20.01.200 Guide tube 102.20.01.200 Guide tube USA 100.20.00.200...
  • Page 38 SPARE PARTS...
  • Page 39 SPARE PARTS Pos. Product-No. Description 0965.1006.070 Countersunk head screw 100.08.01.200 Sealing ring 100.08.00.100 Fan housing 100.10.00.200 Fan insert, complete 100.14.00.100 Intake duct 0933.1008.022 Hexagonal head screw 6797.1008.000 Toothed lock washer 0912.1008.018 Hexagonal socket head screw 000.20.46.062 Wing screw 0125.1006.000 Washer 100.04.09.100 Lower rod, complete 000.17.20.081...
  • Page 40 SPARE PARTS up to May 2000 from May 2000 Please state the machine number with each order.
  • Page 41 Sanding shaft 6885.0606.040 100.02.04.105 Spacer ring 100.02.03.105 Slide ring 000.11.35.102 Shaft seal 120.40.00.100 Sanding drum HUMMEL 120.41.00.100 Sanding drum HUMMEL, hard rubber cover 100.02.06.100 Hexagonal nut, left-hand thread 100.45.45.100 Compression spring 0472.0052.000 Circlip 6205.0025.205 Ball bearing 6885.0606.010 100.02.01.200 Sanding shaft 6885.0606.025...
  • Page 42 SPARE PARTS...
  • Page 43 SPARE PARTS Pos. Product-No. Description 100.65.00.100 Single-phase AC motor new, 230 V / 50 CPS / 2.2 kW 101.65.00.100 Single-phase AC motor new, 230 V / 60 CPS / 2.2 kW 102.65.00.100 Single-phase AC motor new, 220 V / 60 CPS / 2.9 kW, USA 105.65.00.100 Three-phase AC motor new, 400 V / 50 CPS / 4 kW 000.71.26.087...
  • Page 44 SPARE PARTS...
  • Page 45 Trolley TRANSCART, complete 000.01.10.011 Foldable earmuff type MUSIMUFF 000.01.10.021 Foldable earmuff type POCKET 000.01.65.010 DI-safety plug 100.00.55.100 Carrying handle HUMMEL 701.10.00.100 Impact tool 702.00.00.100 Parquet layer tool 43 cm long 703.00.00.100 Parquet layer tool 55 cm long 720.10.00.200 Accessories TRANSCART 720.05.00.205...
  • Page 46 NOTES...

  • Page 47: Service Passport

    SERVICE PASSPORT SERVICE PASSPORT On the back of these operating instructions, please enter the serial number and the year of construction of your machine (see rating plate). Otherwise your service passport will not be valid. Be sure that any kind of maintenance work is certified here by your dealers company. Date of test Date of test Date of test...

  • Page 48: Declaration Of Conformity

    Low Voltage Directive (73/23/EEC, last amended by 93/68/EEC dated June 22, 1993) Electromagnetic compatibility Directive (89/336/EEC, last amended by 93/68/EEC dated June 22, 1993) The LÄGLER HUMMEL type belt sanding machine, serial no. please see rating plate, has been developed, designed and produced in agreement with the above Directives.

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