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HTC 500 Manual

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MANUAL
HTC 500
Translation of manual in original language

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Summary of Contents for HTC 500

  • Page 1 MANUAL HTC 500 Translation of manual in original language...
  • Page 3 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.
  • Page 5 EC Declaration of conformity Manufacturer: HTC Sweden AB Box 69 SE-614 22 Söderköping Sweden +46 (0)121-29400 Type of equipment: Grinding machine Make: Model: HTC 500 Year of manufacture: See machine name plate Serial number: See machine name plate As the manufacturer, we hereby declare under our sole...

  • Page 7: Table Of Contents

    Table of contents HTC 500 Table of contents 1. Introduction............1 1.1 General information............1 1.2 Responsibility..............1 1.3 Manual................1 1.3.1 Safety instructions – Explanation of symbols..1 1.4 Transportation............... 2 1.5 On delivery..............2 1.6 Unpacking the machine..........3 1.7 Machine name plate............. 4 1.8 Handling and storage...........
  • Page 8 Table of contents HTC 500 5. Maintenance and repairs......... 25 5.1 General Information............ 25 5.2 Cleaning..............25 5.3 Daily................25 5.4 Every week..............25 5.5 Every month (or 100 hours)........26 5.6 Repairs................26 5.7 Spare parts..............26 6. Faultfinding............28 6.1 General Information............

  • Page 9: Introduction

    HTC 500 1. Introduction 1.1. General information HTC 500 is a grinder that can be used to grind, strip, clean and polish concrete, natural stone and terrazzo floors. The machine's area of application depends on the choice of tool. Read the manual carefully so that you are totally familiar with the machine before you start using it.

  • Page 10: Transportation

    Introduction HTC 500 The symbol indicates a Warning! and means that incorrect use can result in personal injury or material damage to the machine or accessories. If you see this 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.

  • Page 11: Unpacking The Machine

    Introduction HTC 500 • Hammer EZ system • Splash guard 1.6. Unpacking the machine Warning! Read through 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.

  • Page 12: Machine Name Plate

    Introduction HTC 500 1.7. Machine name plate The machine name plate provides the following information. The model and serial number must be specified when ordering spare parts for the machine. Figure 1-1 Machine name plate Model Model number Serial number...

  • Page 13: Vibration And Noise

    Warning! Always use hearing protection when using the machine. 1.9.1. Hand and arm vibrations Hand and arm-weighted vibration level [m/s²] for HTC 500 have been measured using equipment approved in accordance with ISO 5349-1:2001. Measurement uncertainty for the measurement equipment has been assessed as +/- 2%.

  • Page 14: Safety

    HTC 500 2. Safety 2.1. General Information This chapter contains all the warnings and notes that have to be considered for HTC 500. 2.2. Warnings Warning! The machine may only be used or repaired by personnel who have received the requisite theoretical and practical training and who have read the user manual.

  • Page 15: Notes

    HTC. Note! Only original tools and spare parts from HTC may be used for the machine. Otherwise neither the CE marking nor the warranty will be valid.
  • Page 16 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 when restarting.

  • Page 17: Machine Description

    3. Machine Description 3.1. General machine description In relation to its size, the HTC 500 is a very efficient machine with a high capacity, which makes it suitable for use in both small and large spaces. It is used to grind, coarse grind, prepare...
  • Page 18 Machine Description HTC 500 Figure 3-1 The front of the machine Water tank Motor Weights Grinding cover Splash guard Connection, dust extractor Lifting frame...
  • Page 19 Machine Description HTC 500 Figure 3-2 The machine's rear Control panel Filter Tap for wet grinding Wheel Electrical connection Control cabinet Handle lock Handle...

  • Page 20: Description Of Controls - Control Panel

    Machine Description HTC 500 3.2. Description of Controls – Control Panel The picture below shows the machine's control panel: DUTY EM-STOP RESET SPEED REW 0 FWD OFF ON Figure 3-3 Control panel EM-STOP - Emergency stop switch: In an emergency, press the switch to cut the power to the machine.
  • Page 21 Machine Description HTC 500 shown on the frequency converter's display inside the electrical cabinet, see Figure 3-2 on page 11. For error codes, see Electronic error codes on page 30. DUTY - Standby indicator: Indicates that the machine's functions have been activated.

  • Page 22: Usage

    The following section describes how to change tools and how to operate the grinding machine. This section does not deal with the technical aspects of grinding, such as selection of grinding tools, etc. For the choice of tools, see HTC's Product Catalogue under the Grinding Guide tab. Warning!
  • Page 23 Usage HTC 500 Warning! The machine must only be used and moved on level surfaces. There is a risk of crushing if the machine starts to roll. Tip! Check the minimum recommended cable area before using an extension cord. You will find the recommended cable area under...

  • Page 24: Handle Settings

    Usage HTC 500 4.2. Handle settings The appropriate working height is set with the help of the adjustable handle. Release the handle, by pulling the locking pin on the handle lock, see Figure 3-2 on page 11. Adjust the handle to the desired position and secure it, by inserting the locking pin again.
  • Page 25 Usage HTC 500 provide additional grinding pressure that increases the grinding effect. When using a tool with a high removal rate, such as T- Rex™, we recommend a low grinding pressure. Note! Too high a grinding pressure combined with an incorrect grinding tool may cause damage to both the machine and the floor.

  • Page 26: Access To Grinding Tools

    Usage HTC 500 4.4. Access to grinding tools Warning! Always dismantle the weights when you change tools, to prevent the machine from tipping back. Warning! The tool becomes very hot during use. Tip the machine back and allow it to stand for a short while. Use protective gloves when removing the tools.

  • Page 27: Fitting Grinding Tools

    Usage HTC 500 As the machine is equipped with the patented EZchange tool system, fitting and replacing grinding tools is quick and easy. The tool system consists of wings on which diamond grinding tools are fitted without the need for screws.

  • Page 28: Changing Grinding Tools

    - see Figure 4-4 on page 19. 4.6. Preparations for dry grinding Warning! Check that the splash guard is fitted. Connect a dust extractor to the machine. For dust extractor models, see under the Suction System tab in the HTC Product Catalogue.

  • Page 29: Preparations For Wet Grinding

    Usage HTC 500 Note! The dust extractor's suction hose must be connected to the appropriate socket on the machine. Adjust the dust extractor to match the grinder's capacity. Inspect the floor carefully and remove any objects sticking up, such as reinforcement rods or bolts, and any debris that could get caught in the machine.

  • Page 30: Operation

    Usage HTC 500 Fill the tank with cold water. Turn the tap on the left side of the machine to the open position. Turn the tap to the closed position once wet grinding is finished. 4.8. Operation The machine's functions can be controlled using the control panel - see Figure 3-3 on page 12.
  • Page 31 Usage HTC 500 Insert the cable. Start the dust separator, if dry grinding is to be done. Turn the ON/OFF knob to the right. Start the grinding discs rotation, by turning the REW/FWD knob to the desired direction of rotation.

  • Page 32: Making Operation Easier

    Usage HTC 500 4.9. Making operation easier In order to keep the suction hose for the dust extractor 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.

  • Page 33: Maintenance And Repairs

    Maintenance and repairs HTC 500 5. Maintenance and repairs 5.1. General Information We recommend regular inspections of all seals. Warning! Disconnect the electrical supply, when changing tools or repairing the machine. Warning! Use protective equipment such as shoes with steel toecaps, safety goggles, protective gloves, protective mask and ear protectors.

  • Page 34: Every Month (Or 100 Hours)

    Clean or, if necessary, replace the filter to the electrical cabinet. 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.
  • Page 35 HTC's website: 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.

  • Page 36: Faultfinding

    • Check the belts, replace if necessary. • Check the condition of the grinding holders. If the grinder holders need reconditioning, contact HTC for information about spare parts. 6.1.3. The machine is grinding at an angle • Recondition the grinding holder. See under The machine vibrates or wears the tool unevenly on page 28.

  • Page 37: The Fuses Trip Frequently

    Check the tools. Ensure that the correct tools are used, that they are in working order and that they are correctly fitted. • Voltage drop. Check that the cable area meets HTC's recommendations. Tip! Check the minimum recommended cable area before using an extension cord.

  • Page 38: Electronic Error Codes

    In the event of an error, the error code is shown in the display. The most common error codes that may occur on the frequency converter, in the control cabinet, are listed below. In the event of other errors, contact the HTC Service Centre. 7.2. Hitachi SJ200 Error code...

  • Page 39: Resetting The Frequency Converter

    Error code Cause Action Excess temperature See E08. Internal processor error Contact HTC Service Centre. Internal communications error Contact HTC Service Centre. 7.2.1. Resetting the frequency converter • Press and hold the "RESET" button in for two seconds. 7.2.2. Checking the last error code Press FUNC, D01 is shown in the display.

  • Page 40: Resetting The Frequency Converter

    Change socket, use shorter cables and lower the speed. Internal current supply error Contact HTC Service Centre. Internal processor fault Reset the electronics using the Reset procedure. Anti-restart switch tripped...
  • Page 41 Electronic error codes HTC 500 Press the "arrow up" button; the operating time accumulated at the time of the error is shown in the display. Press the "arrow up" button, the time accumulated with the voltage on at the time of the error is shown in the display.

  • Page 42: Technical Data

    Technical Data HTC 500 8. Technical Data The table below presents the technical data for the machine. HTC 500 EU HTC 500 US HTC 500 US Motor 4,0 kW 4,0 kW 4,0 kW Current 10 A 16 A 22 A...
  • Page 43 Technical Data HTC 500 HTC 500 JP HTC 500 NO HTC 500 MS Grinding discs 3 x 230 mm 3 x 230 mm 3 x 230 mm Recommended minimum 2,5 mm² 2,5 mm² 2,5 mm² cable area Sound pressure level,...
  • Page 44 Technical Data HTC 500 Figure 8-2 Width of the machine in millimetres...

  • Page 45: Environment

    Stainless steel 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...

  • Page 46: Warranty And Ce Marking

    HTC 500 10. Warranty and CE Marking 10.1. Warranty This warranty only covers manufacturing defects. HTC bears no responsibility for damage that arises or occurs during transportation, unpacking or use. In no case and under no circumstances shall the manufacturer be held responsible for damage and defects caused by incorrect use, corrosion or use over and above the prescribed specifications.

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