HTC 800 RX Manual
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HTC 800 RX Manual

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HTC 800 RX
Translation of manual in original language

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Summary of Contents for HTC 800 RX

  • Page 1 MANUAL HTC 800 RX Translation of manual in original language...
  • Page 2 HTC 800 RX...

  • Page 3: Contact Information

    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 4: Ec Declaration Of Conformity

    Sweden +46 (0)121-29400 Type of equipment: Grinding machine Make: Model: HTC 800 RX Year of manufacture: See machine name plate Serial number: See machine name plate As the manufacturer, we hereby declare under our sole responsibility that the above product with serial numbers from 2012 onward conforms to the applicable regulations in directives MD 2006/42/EC, EMC 2004/108/EC and LVD 2006/95/EC.

  • Page 5: Table Of Contents

    HTC 800 RX Table of contents Introduction 1.1 General Information ............1.2 Responsibility ..............1.3 Manual ................1.3.1 Safety Instructions – Explanation of Symbols ..1.4 Transportation ..............1.5 On delivery ..............1.6 Unpacking the machine ........... 1.7 Machine name plate ............
  • Page 6 Table of contents HTC 800 RX Usage 4.1 General Information ............4.2 Handle settings ..............4.3 Locking the wheels ............4.4 Using the support wheel ..........4.5 Handling weights ............. 4.6 Access to grinding tools ..........4.7 Fitting and replacing grinding tools ........
  • Page 7 HTC 800 RX Table of contents Troubleshooting 6.1 General Information ............6.2 The machine will not start ..........6.3 The machine vibrates or wears the tool unevenly ... 6.4 The machine is grinding at an angle ....... 6.5 The machine stops - manual operation ......
  • Page 8 Table of contents HTC 800 RX...

  • Page 9: Introduction

    Introduction General Information HTC 800 RX (R = Radio control, X = Four grinding discs) 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. You can easily mount and replace the tool, thanks to the EZchange patented tool system.

  • Page 10: Transportation

    Introduction HTC 800 RX Warning! This symbol means Warning! and indicates that incorrect use can result in 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: On Delivery

    HTC 800 RX Introduction The machine can also be moved short distances using the inbuilt battery drive and with the support wheel fitted. The battery capacity is sufficient to transport the machine for ca. 30 minutes. Do not transport the grinder on sloping surfaces, e.g. loading ramps, without securing it by the lifting eyes, , position 4, Figure 3-1, page 10for example with a winch.

  • Page 12: Machine Name Plate

    Introduction HTC 800 RX 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

    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 800 RX have been measured using equipment approved in accordance with ISO 5349-1:2001. Measurement uncertainty for the measuring equipment is given as +/- 2%.

  • Page 14: Safety

    HTC 800 RX Safety General Information This chapter contains all of the warnings and observations that should be taken into consideration for HTC 800 RX. Warnings Warning! The machine may only be used or repaired by personnel who have received the appropriate theoretical and practical training and who have read this manual.

  • Page 15: 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 spare parts from HTC may be used for the machine.
  • Page 16 If the machine is stored in a cold area (below zero), it must be kept in a warm area (above zero) for at least two hours before use. Note! When dry grinding, a suitable dust extractor should be used. For available models of dust extractors, go to HTC's website www.htc-floorsystems.com more information. Note! The dust extractor's suction hose must be connected to the appropriate socket on the machine.

  • Page 17: Machine Description

    Machine description General machine description HTC 800 RX are designed for grinding in large spaces. It is used to grind, coarse grind, prepare and polish concrete, natural stone and terrazzo floors or other materials specified in this manual or material recommended by HTC. The machine is a perfect...
  • Page 18 Machine description HTC 800 RX Figure  3-1. The front of the machine Handle Handle lock Water tank Lifting eye Motor Weights (grinding pressure) Mouthpiece Mist Cooler Floating grinding cover outer moveable section Floating grinding cover inner fixed section Water tap, Mist Cooler...
  • Page 19 HTC 800 RX Machine description Figure  3-2. The machine's rear Control panel Electrical connection Extraction connection Hour counter Mist-Cooler On/Off Control cabinet Drive motor box Locking pin, Driving Water tap, wet spraying Locking pin, weights (grinding pressure) Support wheel, used during transport...

  • Page 20: Description Of Controls - Control Panel

    Machine description HTC 800 RX Description of controls – Control panel The picture below shows the machine's control panel: Figure  3-3. Control panel Power - Standby indicator: Indicates that the machine's functions have been activated. Shines with a green glow when the start key (9) is turned to the right (On).

  • Page 21: Description Of Controls - Radio Control Unit

    HTC 800 RX Machine description position. When knob (5) is in the Off position, this is indicated by the "Radio Enabled" (4) indicator going out. Note! Press the emergency stop switch (EM-Stop), if the machine accidentally starts to move to avoid personal injury and/or damage to the machine.
  • Page 22 Machine description HTC 800 RX SPEED (min - max) - Turn to adjust the machine's speed in the direction of movement. FWD/RWD  - Control for moving the machine forward (FWD) or backwards (RWD). OFFSET (L - R)  - Turn the control to the left (L) or the right (R) to adjust for any tendency to veer.

  • Page 23: 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 other tools available, go to HTC's website www.htc-floorsystems.com for more information.

  • Page 24: Handle Settings

    Usage HTC 800 RX Handle settings Warning! The is a risk of crush injuries when adjusting the handle into the desired position. Make sure the handle lock locks properly in the desired position. The appropriate working height is set with the help of the adjustable handle. The handle is locked with the handle lock on the handle cover, see Figure 4-1, page 16. ...

  • Page 25: Locking The Wheels

    HTC 800 RX Usage 3. Make sure that the handle lock returns to the original position to guarantee that the handle is locked properly. Figure  4-2. The handle's position 1. Working position - always used when operating manually. It can also be used when driving via the radio control unit.

  • Page 26: Using The Support Wheel

    Usage HTC 800 RX • Decouple the wheels by pulling the locking pin straight out, see Figure 4-3, page  Figure  4-3. Decouple the wheels • Turn the locking pin 90 and release it for the secured position, see Figure 4-4, page 18. Figure  4-4. Turn 90 degrees In order to couple the wheels to the drive motors, the same steps as above are carried out.

  • Page 27: Handling Weights

    HTC 800 RX Usage The grinder can also be moved short distances using the inbuilt battery drive and with the support wheel mounted. The battery capacity is sufficient to transport the machine for ca. 30 minutes. Figure  4-5. Fitting the support wheel...
  • Page 28 Usage HTC 800 RX Warning! There is a risk of crush injuries when the weights are folded back, since these are not locked in this position. To obtain a greater grinding pressure, and thereby increased grinding effect, the weights are lowered forwards, see Figure 4-6, page 20.

  • Page 29: Access To Grinding Tools

    HTC 800 RX Usage Access to grinding tools 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. Warning! Disconnect the electrical supply when cleaning, changing tools or repairing the machine.

  • Page 30: Fitting And Replacing Grinding Tools

    Usage HTC 800 RX 4. Tip the machine further back, until all of the machine reaches the floor, see Figure 4-11, page 22. Figure  4-11. Machine on the floor Fitting and replacing grinding tools Warning! Disconnect the electrical supply when cleaning, changing tools or repairing the machine.

  • Page 31: Fitting Grinding Tools

    HTC 800 RX Usage 4.7.1 Fitting grinding tools 1. Slide the grinding tool diagonally, from above, down into the appropriate guide slot on the tool holder, see Figure 4-12, page 23. Then push the tool fully into the guide slot. Figure  4-12. Fitting grinding tools 2.

  • Page 32: Changing Grinding Tools

    Usage HTC 800 RX 4.7.2 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 4-14, page 24. Then draw the tool up out of the guide slot.

  • Page 33: Preparations For Dry Grinding

    4. Set the handle to the working position, see Figure 4-2, page 17.  Preparations before grinding with Mist-Cooler HTC 800 RX are equipped with the Mist Cooler system for effective cooling of the grinding tools. The system involves dispersing a very finely divided water mist onto the floor surface through a mouthpiece.

  • Page 34: Preparations For Wet Grinding

    Usage HTC 800 RX 7. Turn on the Mist-Cooler by turning the control (position 5 Figure 3-2, page 11) to "ON". 8. Switch off the Mist-Cooler by turning the control (position 5 Figure 3-2, page  11) to "OFF" when grinding is finished. 9. Turn the tap to the closed position when grinding is finished.

  • Page 35: Standby

    HTC 800 RX Usage 4.11.1 Standby To activate the machine's functions, turn the start key to the right. When the key is in this position, the Power green indicator light on the control panel is lit, indicating that the machine is in standby mode.

  • Page 36: Overload

    Usage HTC 800 RX 4.11.4 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.

  • Page 37: Standby

    HTC 800 RX Usage 4.12.1 Standby To activate the machine's functions, turn the start key to the right; "On". When the key is in this position, the Power green indicator light on the control panel is lit, indicating that the machine is in standby mode.

  • Page 38: Stop The Machine - Radio Control

    Note! If the error code "Jt" is shown on the display, immediately contact the HTC Service Centre for instructions. 4. Release the button to start radio communication. 5. Start the machine, for how this is done see under Start the Machine - Radio...

  • Page 39: Interrupted Radio Communication

    HTC 800 RX Usage 4.12.5 Interrupted radio communication If the distance between the machine and the radio control unit becomes too great, the radio communication will be broken and the machine stops. In order to restart operation via the radio control unit, follow the instructions under Start the Machine - Radio Control, page 29.

  • Page 40: Maintenance And Repairs

    Maintenance and repairs HTC 800 RX Maintenance and repairs General Information We recommend regular inspections of all seals. Warning! Disconnect the electrical supply when cleaning, changing tools or repairing the machine. Warning! Use protective equipment such as safety shoes, safety goggles, protective gloves, breathing mask and hearing protection.

  • Page 41: Daily

    HTC 800 RX Maintenance and repairs • Recharge/replace the batteries when L" appears in the display and blinks quick, see Figure 3-4, page 13. Procedure: 1. Stop the machine, see under Stop the machine - Radio control, page 30. 2. Loosen the battery cover by screwing the screws out on the cover 3.

  • Page 42: Every Month (Or 100 Hours)

    Check the parts that wear on the radio control unit, e.g. the dust cover. 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 43: Troubleshooting

    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. The machine is grinding at an angle • Recondition the grinding holder. See under The machine vibrates or wears the tool unevenly, page 35.

  • Page 44: 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 45: 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. Schneider Electric ATV312...

  • Page 46: Resetting The Frequency Converter

    Electronic error codes HTC 800 RX 7.2.1 Resetting the frequency converter 1. Turn off the machine by turning the start key to "Off" 2. Wait until the display goes out. 3. Reset the emergency stop switch. 4. Start the machine by turning the start key to "On".

  • Page 47: Technical Data

    HTC 800 RX Technical data Technical data The table below shows the machine's technical data. HTC 800 RX HTC 800 RX US EU MIST MIST Part number Article no. 113481 Item 113480 Total machine weight 1246 Weight, grinding head Chassis weight...
  • Page 48 Technical data HTC 800 RX HTC 800 RX HTC 800 RX US EU MIST MIST Permitted daily exposure, Floor preparation 14,6 14,6 (T-Rex) Thrust/Load Capacity 1500 1500 Driving speed <0,2 ft/s <0.66 Transmitter frequency 433,100 - 433.100 - 434,750 434.750 Transmitter power ≤10...
  • Page 49 HTC 800 RX Technical data Figure  8-2. The grinder's length and height in different handle positions...

  • Page 50: Environment

    Electrical components Metal and plastic Electronic waste If possible, different metals should be separated. For recycling and scrapping of components, see the applicable national regulations for each country. The machine or machine components can also be returned to HTC for recycling.

  • Page 51: Warranty And Ce Marking

    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 instance and under no circumstances shall the manufacturer be held responsible for damage and defects caused by incorrect use, corrosion or use outside the prescribed specifications.

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