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Environment

HTC 420 VS

3.0

9. Environment

HTC’s products consist largely of recyclable metals and plastic.

The main materials used are listed below.

Chassis

Frame

Steel, electro-galvanised metal

Wheels

Solid rubber wheels

Cover

ABS plastic

Grinding head

Lower cover

Aluminium

Cover

ABS plastic

External plate and steel

components

Electro-galvanised metal

Belts

Rubber and polyamide

Other components

Untreated steel

Electrical system

Cables

Copper conductors with PVC

casing

Plastic components can be recycled by sorting under hard plastics.

Electronics can be submitted as electronic waste. The dust extractor

or its components can, of course, also be returned to HTC Sweden

AB.

Содержание 420 VS

Страница 1: ...HTC 420 VS MANUAL GB Translation of manual in original language ...

Страница 2: ......

Страница 3: ...rs and service partners on our website www htc floorsystems com Always specify the model and serial number when asking questions about your product Trademarks HTC is a trademark owned by HTC Sweden AB Other names and products mentioned in this manual may be registered trademarks owned by the relevant companies 2007 HTC Sweden AB All rights reserved ...

Страница 4: ......

Страница 5: ...04 onward conforms to the applicable regulations in directives MD 2006 42 EC EMC 2004 108 EC and LVD 2006 95 EC The following standards have been used as a basis ISO 5349 1 2001 ISO 5349 2 2001 ISO 20643 2005 ISO 3741 This product was CE marked in 2004 The technical documentation is available from the manufacturer Original of the EC declaration of conformity Swedish Other languages are translation...

Страница 6: ......

Страница 7: ... 5 2 Safety 6 2 1 General Information 6 2 2 Warnings 6 2 3 Notes 7 3 Machine description 9 3 1 General machine description 9 3 2 Description of controls Control panel 11 4 Operation 13 4 1 General 13 4 2 Handle settings 15 4 3 Access to grinding tools 15 4 4 Fitting and replacing grinding tools 16 4 4 1 Fitting grinding tools 16 4 4 2 Changing grinding tools 17 4 5 Preparations for dry grinding 18...

Страница 8: ... machine is grinding unevenly 26 6 1 4 The machine stops immediately after starting 27 6 1 5 The fuses trip frequently 27 6 1 6 The machine cannot cope 27 7 Electronic Error Codes 28 7 1 General 28 7 2 Schneider Electric ATV31 28 7 2 1 Resetting the frequency converter 30 7 2 2 Checking the last error code 30 7 3 Schneider Electric ATV12 31 7 3 1 Resetting the frequency converter 31 7 3 2 Checking...

Страница 9: ... to change descriptions in this manual without giving prior notice This manual is protected by the Copyright Act and no part of it may be copied or used in any other way without the written approval of HTC 1 3 Manual In addition to the general functions this manual deals with the areas of application and the maintenance of the grinder 1 3 1 Safety instructions Explanation of symbols A number of sy...

Страница 10: ... symbol next to a section of text you must be particularly careful when reading through the text and not carry out any stages of which you are unsure This is to avoid damage to the machine or other equipment The symbol indicates a Tip and indicates that you can get tips and advice on ways to make operating your machine or associated equipment easier and to avoid wear When you see this symbol you s...

Страница 11: ...hrough the safety instructions and the manual carefully before use Check carefully to see if the packaging or machine has been damaged during delivery If there is any sign of damage contact your retailer and report it Report packaging damage to the transport company as well Check that the delivery matches the order If there are any discrepancies contact your retailer ...

Страница 12: ...e parts for the machine Figure 1 1 Machine name plate 1 Model 2 Model number 3 Serial number 4 Year of manufacture 5 Kilowatt kW 6 Voltage V 7 Ampere A 8 Hertz Hz 9 Revolutions per minute r p m 10 Weight kg 11 Address field 1 8 Handling and storage The machine should be stored in a dry warm location when not in use Otherwise it may become damaged by condensation and coldness ...

Страница 13: ...perations that contribute to the most frequent vibration exposures At vibration levels 2 5 m s the exposure time should be limited in accordance with the table below For vibration levels 5 m s immediate measures should be taken by the employer to ensure that the exposure time does not exceed the time specified in the table below Identified work conditions Measured values m s Daily permitted exposu...

Страница 14: ...fire Familiarise yourself with the fire protection instructions for the working area and follow them Warning Secure the area around the working area No unauthorised persons should be allowed within a 15 metre radius of the machine If a loose object were to catch under the grinding head this could be flung out and cause personal injury Warning Use protective equipment such as safety shoes safety go...

Страница 15: ...ed on level surfaces There is a risk of crushing if the machine starts to roll Warning Connect the machine to an earth fault breaker Warning The machine may only be used when the splash guard is fitted 2 3 Notes Note The machine may only be used to grind and polish natural stone terrazzo concrete or other materials stated in this manual or that are approved by HTC Note Only original tools and spar...

Страница 16: ...e machine is stored in a cold minus degrees location it must be placed in a warm plus degrees location for at least two hours before use Note The appropriated dust extractor must be used when dry grinding Contact HTC for model recommendation Note After removing glue and wet grinding always lift up the grinding heads so that they do not stick to the floor and damage machine components and the floor...

Страница 17: ...ng grinding unit is attached to the bottom of the chassis so that there is some movement between the chassis and motor package The handle can be set in a number of different tilt positions Choose a position that best suits you The grinding cover has a connection for an external suction hose used for dry grinding The machine can easily be equipped with a large number of tools depending on the mater...

Страница 18: ... 3 Splash guard 4 Grinding cover 5 Lifting handle for grinding head 6 Motor 7 Lifting eye for machine 8 Water tank 9 Adjustable handle 4 3 2 1 Figure 3 2 Machine rear 1 Control panel 2 Electrical connection 3 Extraction connection 4 Control cabinet ...

Страница 19: ... ignored the power supply to the motor will be interrupted and an error code generated 3 Reset Resetting the electronics If the machine experiences an error it may be necessary to reset it Turn the Grinding knob 5 to Reset to reset all electronics The knob automatically returns to the central position once it is released Any error code is shown on the display in the control cabinet 4 FWD Forward T...

Страница 20: ... the machines functions Turn the knob to I to activate the machines functions and prepare for start Turn the knob to O to switch off the machines functions 8 EM Stop Emergency stop switch Press the switch in an emergency to turn off the power to the machine ...

Страница 21: ...d this manual thoroughly Warning Always use the machine in an environment where there is no risk of explosion and fire Find out and follow the relevant fire safety regulations when grinding Warning Secure the area around the machine No unauthorised persons should be within a 15 metre radius of the machine If loose objects get under the grinding head these may be flung out and cause personal injury...

Страница 22: ... only be used and moved over flat surfaces There may be a risk of crushing if the machine begins to roll Tip Check the minimum recommended cable area before using an extension cord You will find the recommended cable area under Technical data on page 33 ...

Страница 23: ...sed for tipping the machine to make tool replacement easier 3 Working position the working height can be adjusted to two positions using the machine s adjustable handle Lock the handle in the required position using the locking mechanism located on the underneath of the handle cover 4 3 Access to grinding tools Warning After grinding the tools will be very hot Tip the machine back and allow it to ...

Страница 24: ...the machine must be disconnected Warning After grinding the tools will be very hot Tip the machine back and allow it to stand for a short while Use protective gloves when removing the tools 4 4 1 Fitting grinding tools 1 Slide the grinding tool diagonally from above down into the appropriate guide slot on the tool holder Then push the tool fully into the guide slot see Figure 4 2 on page 16 Figure...

Страница 25: ... 3 Locking grinding tools 4 4 2 Changing grinding tools 1 Remove the grinding tool by giving it a few light taps with a rubber hammer so the locking mechanism releases see Figure 4 4 on page 18 Then draw the tool up out of the guide slot ...

Страница 26: ... page 16 Then push the tool fully into the guide slot 3 Lock the grinding tool into the tool holder by giving it a few light taps with a rubber hammer see Figure 4 3 on page 17 4 5 Preparations for dry grinding Warning Check that the splash guard is fitted 1 Connect a dust extractor to the machine For dust extractor models see under the Suction System tab in the HTC Product Catalogue ...

Страница 27: ...otruding objects such as reinforcement rods or bolts and any loose debris that could get stuck in the machine 3 Attach the appropriate tool to the machine 4 Set the handle to the required working position 4 6 Preparations for wet grinding Warning Check that the splash guard is fitted 1 Always use liquid suction when wet grinding Tip Never use a dust extractor as it may cause blockages in the dust ...

Страница 28: ...l lights up indicating that the machine is in stand by mode 4 7 2 Emergency stop switch The emergency stop switch EM Stop must only be used in an emergency When the switch is pressed all electrically operated equipment in the machine is turned off Note Do not use the emergency stop switch to stop the machine other than in emergencies as it causes wear to the contactor Note As long as the emergency...

Страница 29: ... the Speed knob 5 Turn the Grinding knob to FWD 6 The machine has now started 4 7 4 Overload If the machine is using too much power the Overload indicator on the control panel goes off The machine switches off automatically after a while if this is ignored Reduce the speed of the grinding discs to see if the Overload indicator goes out If this does not help follow the procedure for troubleshooting...

Страница 30: ... and the power cable out of the working area and or path of the machine the hose and cable can be arranged as shown in the picture below Figure 4 5 Making operation easier Tip By arranging the hose and cable as shown in the picture you avoid disruptive stoppages caused by having to re position the cable and hose ...

Страница 31: ...Do not clean the machine with a high pressure washer otherwise moisture may penetrate electrical elements and damage the machine s drive system Vacuum the control cabinet if required Always clean the machine after use with a damp sponge or cloth 5 3 Daily Wash the machine if it is used for wet grinding Check for grinding tool wear abnormal or uneven wear may indicate a damaged grinding holder Chec...

Страница 32: ... Replace if necessary Scrape and vacuum clean the parts shielded by the grinding cover Test run and listen for any dissonance from the bearings 5 6 Repairs Any repairs that may be required must be carried out by a HTC Service Centre which has trained service personnel and uses HTC original parts and accessories Contact your retailer if your machine requires servicing For contact information see Co...

Страница 33: ...HTC 420 VS Maintenance and repairs 3 0 25 www htc floorsystems com Only original tools and spare parts from HTC may be used Otherwise neither the CE marking nor the warranty will be valid ...

Страница 34: ...et procedure as follows Resetting the frequency converter on page 30 or Resetting the frequency converter on page 31 Check the error code in the converter see the error code table in chapter Electronic Error Codes on page 28 Check the fuses and contactors in the control cabinet 6 1 2 The machine vibrates or wears the tool unevenly Recondition the grinding holder by changing the sleeve Check that t...

Страница 35: ...sed that they are in working order and that they are correctly fitted 6 1 6 The machine cannot cope Heavy load Press the handle down slightly so that the grinding head eases slightly away from the surface being ground Sticky coating on the surface being ground Run half of the machine on the surface to be cleaned and half on the clean surface This removes any residue from the tools Check the tools ...

Страница 36: ...ircuits Check mechanical inertia spin the grinding discs Reset the converter if the machine is sluggish Remove the plug for the motor and start the converter to see if the fault remains See also the point below Contact HTC Service Centre if the fault remains OHF OHF Rapidly rising current A less severe version of the same fault above Due to a high short term load that is 2 times the nominal curren...

Страница 37: ...Switch off the machine The motor protection must cool Wait 8 minutes before the machine is restarted OSF OSF Over voltage Mains voltage too high or disturbance in the mains supply May occur if large motors machines are switched on or off in the vicinity May be due to non CE marked equipment Measure the supply voltage Change the socket The max permitted supply voltage is 240V 10 USF USF Under volta...

Страница 38: ...ble to the motor or the terminal boxes in the motor Reduce the speed if you are test operating the machine in the air The fault occurs if the motor current is around approx 8 of the converter s nominal current which is 11 Amp on 2 2 kW single phase SLF SLF Faulty connection of remote terminal Occurs if connection to a remote terminal is faulty May also be due to an internal fault Restart the compu...

Страница 39: ...Contact HTC Service Centre SCF Short circuit or earth fault involving the motor Check the motor s cables and connections tnF Auto tuning fault Check the motor s cables and connections OLF Overload See OCF Let the frequency converter cool down before restarting OSF Excess voltage Mains voltage too high or disturbance in the mains supply Check the supply voltage change socket USF Under voltage The c...

Страница 40: ... For the buttons and knobs described here see Figure 7 1 on page 32 1 Press Enter rEF is shown in the display 2 Turn the knob counter clockwise until non is shown in the display 3 Press Enter rFr is shown in the display 4 Turn the knob counter clockwise until nA1 is shown in the display 5 Press Enter LIS1 is shown in the display 6 Turn the knob counter clockwise until dP1 is shown in the display 7...

Страница 41: ...ight 104 kg 104 kg 104 kg Grinding diameter 450 mm 450 mm 450 mm Grinding pressure 57 kg 57 kg 57 kg RPM 393 1047 rpm 393 1047 rpm 393 1047 rpm Water tank 6 L 6 L 6 L Grinding discs 3x180 mm 3x180 mm 3x180 mm Recommended minimum cable area 2 5 mm 2 5 mm 6 mm Sound pressure level average value over time according to ISO 3741 measurement uncertainty according to class 1 measuring instruments for sou...

Страница 42: ...Technical data HTC 420 VS 34 3 0 474 805 911 781 1334 1192 784 Figure 8 1 Height and length of the machine in millimetres ...

Страница 43: ...HTC 420 VS Technical data 3 0 35 480 Figure 8 2 Width of the machine in millimetres ...

Страница 44: ...tic Grinding head Lower cover Aluminium Cover ABS plastic External plate and steel components Electro galvanised metal Belts Rubber and polyamide Other components Untreated steel Electrical system Cables Copper conductors with PVC casing Plastic components can be recycled by sorting under hard plastics Electronics can be submitted as electronic waste The dust extractor or its components can of cou...

Страница 45: ... delivery and warranty If you are unsure regarding warranty terms please contact your retailer 10 2 CE marking CE marking of a product guarantees its free movement within the EU area in accordance with EU regulations CE marking also guarantees that the product fulfils various directives the EMC Directive and other possible requirements in so called directives for new procedures in accordance with ...

Страница 46: ...Warranty and CE Marking HTC 420 VS 38 3 0 ...

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