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HTC T8/RT8/X8/RX8
Huskvarna, 2020-12-11
Operator's manual, EN
Dear customer,
Thank you for choosing a Husqvarna quality product. We hope that you will
genuinely enjoy it.
Please note that the enclosed manual contains HTC Floor Systems references.
The Husqvarna Group is vouching for the quality of this product.
If you have any questions, please do not hesitate to contact our local sales or
service point, or visit www.husqvarnacp.com.
Husqvarna AB
SE-561 82 Huskvarna, Sweden
1142574-26
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Table of Contents
Related Manuals for Husqvarna HTC T8
Summary of Contents for Husqvarna HTC T8
- Page 1 Huskvarna, 2020-12-11 Operator’s manual, EN Dear customer, Thank you for choosing a Husqvarna quality product. We hope that you will genuinely enjoy it. Please note that the enclosed manual contains HTC Floor Systems references. The Husqvarna Group is vouching for the quality of this product.
- Page 3 EC Declaration of Conformity We, Husqvarna AB, SE 561 82 Huskvarna, SWEDEN, Tel. +46 36 146500 declare on our sole responsibility that the product: Description Polish & Grind Equipment Brand HUSQVARNA Type / Model HTC RT8, HTC RX8 Identification Serial numbers dating from 2020 and onwards...
- Page 4 EC Declaration of Conformity We, Husqvarna AB, SE 561 82 Huskvarna, SWEDEN, Tel. +46 36 146500 declare on our sole responsibility that the product: Description Polish & Grind Equipment Brand HUSQVARNA Type / Model HTC T8, HTC X8 Identification Serial numbers dating from 2020 and onwards...
- Page 5 Standards As the manufacturer, we hereby declare under our sole responsibility that the above product with serial numbers from 2016 onward conforms to the applicable regulations in: Household and similar electrical appliances - EN 60335-1:2012 Safety - Part 1: General requirements. Household and similar electrical appliances - EN 60335-1:2012 + A11:2014 Safety - Part 1: General requirements.
- Page 6 Mechanical vibration -- Measurement and evaluation of human exposure to ISO 5349-1:2001 hand-transmitted vibration -- Part 1: General requirements. Mechanical vibration -- Measurement and evaluation of human exposure to ISO 5349-2:2001 hand-transmitted vibration -- Part 2: Practical guidance for measurement at the workplace. Mechanical vibration -- Hand-held and ISO 20643:2005 hand-guided machinery -- Principles for...
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Page 7: Table Of Contents
HTC T8/RT8/X8/RX8 Table of contents Introduction....................General...................... Liability....................... Warranty ....................Safety......................Symbols that are used................Safety rules....................Information about the machine ..............Unpacking the equipment................Transport ....................3.2.1 Transport ....................3.2.2 Lifting ..................... 3.2.3 Movement....................3.2.4 Hanging the cover ................. - Page 8 HTC T8/RT8/X8/RX8 Radio Control..................... GPS Tracker ....................7.3.1 Start Up ....................7.3.2 Registration ................... 7.3.3 Use ......................7.3.4 GSM card ....................7.3.5 Remote Control ..................Water package................... 7.4.1 Mist Cooler System ................7.4.2 Wet grinding ..................Maintenance and repair ................
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Page 9: Introduction
HTC T8/RT8/X8/RX8 Introduction 1 Introduction 1.1 General HTC's machines are used for processing floor surfaces. The machine's area of application depends on the choice of tool. In addition to use and general functions, this manual explains the applications and maintenance of your HTC machine. Contact your local retailer for further information. For contact information, see the start of the manual. -
Page 10: Safety
HTC T8/RT8/X8/RX8 Safety 2 Safety This chapter includes the safety rules that must be observed when using HTC's machines. 2.1 Symbols that are used The symbols below are used in this manual to show the need for extra care when using the machine. - Page 11 HTC T8/RT8/X8/RX8 Safety WARNING Training is required. Risk for personal injury and mechanical damage. Children should be kept under supervision to prevent them from playing with the machine. The machine must not be operated by children or in the vicinity of children.
- Page 12 HTC T8/RT8/X8/RX8 Safety The machine is only tested for use up to 2000 metres above sea level. This information decal is affixed clearly visible on the machine's electrical cabinet. D003128, 02.00...
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Page 13: Information About The Machine
HTC T8/RT8/X8/RX8 Information about the machine 3 Information about the machine 3.1 Unpacking the equipment Check the packaging and equipment carefully on delivery for any possible transport damage. If there is any sign of damage, contact the retailer and report the damage. Report packaging damage to the transport company as well. - Page 14 HTC T8/RT8/X8/RX8 Information about the machine Fixing points for lifting and securing. D003128, 02.00...
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Page 15: Hanging The Cover
HTC T8/RT8/X8/RX8 Information about the machine 3.2.4 Hanging the cover During transport or work with HTC grouting, the cover can be hung up so it does not drag on the surface. Lift up the cover and secure it with the rubber straps to secure the cover in the raised position. -
Page 16: Support Wheel
HTC T8/RT8/X8/RX8 Information about the machine 3.2.5 Support wheel To ease movement, a support wheel can be firmly mounted on the machine. The support wheel can be mounted during grinding. 3.3 Storage The machine should be stored in a heated, dry area when not in use. It may be damaged by condensation and cold. -
Page 17: Machine Name Plate
HTC T8/RT8/X8/RX8 Information about the machine 3.4 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. D003128, 02.00... -
Page 18: Hand And Arm Vibrations
HTC T8/RT8/X8/RX8 Information about the machine 3.5 Hand and arm vibrations ] for HTC T8/RT8/X8/RX8 have been measured Hand and arm-weighted vibration levels [m/s using equipment approved in accordance with ISO 5349-1:2001. The uncertainty of measurement for the measuring equipment is given as ±2%. -
Page 19: Machine Description
HTC T8/RT8/X8/RX8 Machine description 4 Machine description 4.1 General machine description A grinding machine from HTC has been developed for processing various types of floor. 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. - Page 20 HTC T8/RT8/X8/RX8 Machine description Description Storage hatch Handlebar locking rough adjustment Storage hatch Lifting point Fixing point for support wheel and securing the load Nozzle for Mist Cooler System Handlebar Handlebar locking fine adjustment Service hatch Weight handle Weight Weight locking...
- Page 21 HTC T8/RT8/X8/RX8 Machine description Description Control panel Handle lock Electrical connection Connection, dust extractor Control cabinet Water quick release coupling D003128, 02.00...
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Page 22: Storage Compartment
HTC T8/RT8/X8/RX8 Machine description 4.2 Storage compartment Description Storage compartment Service hatches D003128, 02.00... - Page 23 HTC T8/RT8/X8/RX8 Machine description Description Accessories Battery charger for remote Radio package control Cooling fans Connection panel for accessories Water tank Water package Radio receiver Radio package Battery disconnector Radio package Water level sensor Water package Relay Radio package Battery...
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Page 24: Control Cabinet
HTC T8/RT8/X8/RX8 Machine description 4.3 Control cabinet Designation Description Miniature circuit breakers 2 x 5A for Power Supply Mainboard Fuse 4A, Control Panel Fuse 4A, GPS Fuse 4A, Water / Mist System Fuse 4A, Radio / Cooling Fans, Fuse 4A, Extra... -
Page 25: Description Of Controls - Control Panel (Hmi)
HTC T8/RT8/X8/RX8 Machine description 4.4 Description of Controls – Control Panel (HMI) D003128, 02.00... - Page 26 HTC T8/RT8/X8/RX8 Machine description Function Description On / Off To start / stop the machine Information Panel See Information Panel page 27. Menu Right / Left – Menu navigation as well as changing the operation gauge. Up / Down – Menu navigation as well as Night Panel Menu Buttons on/off.
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Page 27: Information Panel
HTC T8/RT8/X8/RX8 Machine description 4.5 Information Panel D003128, 02.00... - Page 28 HTC T8/RT8/X8/RX8 Machine description Symbol Name Explanation Lit when the machine is in radio mode. When in radio mode, only the Emergency Radio Stop Button and the Radio Button on the machine's control panel function. Accessories Lit when the accessory is activated.
- Page 29 HTC T8/RT8/X8/RX8 Machine description Symbol Name Explanation Voltage Shows the mains voltage. Shows operating time h, distance m and Operation Gauge energy kWh. Shows the rotational speed of the Grinding Speed grinding discs. Shows the machine's control voltage. Control Voltage Shows battery voltage when the machine is operated on batteries only.
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Page 30: Connection Panel
HTC T8/RT8/X8/RX8 Machine description 4.6 Connection Panel Symbol Connection for Control panel Radio Receiver CAN bus Extra equipment, 24 V Extra 2. Used for future equipment Mist Cooler System Water supply valve Cooling fans Accessories D003128, 02.00... -
Page 31: Operation
HTC T8/RT8/X8/RX8 Operation 5 Operation 5.1 General 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. - Page 32 HTC T8/RT8/X8/RX8 Operation Place in the right working height using the various settings. Description Handle position 1 Handle position 2 Handle position 3 Handle position 4 D003128, 02.00...
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Page 33: Handling Weights
HTC T8/RT8/X8/RX8 Operation 5.3 Handling weights Weights in the different positions Weight position 1 Weight position 2 Weight position 3 Weight position 4 The machine is equipped with two weights to make it easy to move the machine's centre of gravity. - Page 34 HTC T8/RT8/X8/RX8 Operation WARNING Risk of crushing. Risk for personal injury. Ensure that the pin locks in the position wanted when adjusting the weights. Ensure that there is no gap at the sides when the weight is locked. Risk for the lock releasing.
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Page 35: Cable And Hose Strain Relief Device
HTC T8/RT8/X8/RX8 Operation 5.4 Cable and Hose Strain Relief Device There are two alternative cable and hose strain relief devices on the machine. Use the one that is most suitable for the work situation in question. Ensure that the grinding cover is not affected by tension in the hose. -
Page 36: Fitting Grinding Tools
HTC T8/RT8/X8/RX8 Operation Raise the handle to the third position in accordance with the Handle Settings page Lower the weights back and place a foot on one of the weights. See Handle Settings page 32. The machine may be heavy. Using the fine adjustment makes it easier to adjust the settings, see Handle Settings page 32. - Page 37 HTC T8/RT8/X8/RX8 Operation Slide the new grinding tool diagonally, from above, down into the appropriate guide slot on the tool holder. Then push the tool fully into the guide slot. Lock the grinding tool into the tool holder by giving it a few light taps with a hammer.
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Page 38: Grinding
HTC T8/RT8/X8/RX8 Grinding 6 Grinding Connect a dust extractor to the machine. For available models of dust extractors, go to HTC's website www.htc-floorsystems.com for more information. Place the handle to the working position, see page 32. WARNING Risk for personal injury. -
Page 39: Manual Driving
HTC T8/RT8/X8/RX8 Grinding 6.1.1 Manual Driving Make sure the emergency stop switch (1) is not activated. If not, turn clockwise according to arrows on the switch. Press the button on/off (2). Start the dust extractor, if dry grinding is to be done. -
Page 40: Making Operation Easier
HTC T8/RT8/X8/RX8 Grinding 6.2 Making Operation Easier WARNING Risk for personal injury. Do not let the cable come into contact with the rotating tools. 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 41: Accessories
HTC T8/RT8/X8/RX8 Accessories 7 Accessories 7.1 Radio package 7.1.1 Description of Controls – Remote Control D003128, 02.00... - Page 42 HTC T8/RT8/X8/RX8 Accessories Function Description Future Functions Right / Left – Menu navigation as well as changing the operation gauge. Menu Buttons Right / Left – Menu navigation as well as changing the screensaver. Future Functions Display See Information Panel page 27.
- Page 43 HTC T8/RT8/X8/RX8 Accessories Function Description Grinding Speed Adjustment of the Grinding Speed Hanging Bracket For belt or shoulder hook. Radio Communication Start radio communication. S-key Radio Off/On. As well as key code for the radio. Battery For charging see: Battery Charging Charging page 45.
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Page 44: Radio Receiver
HTC T8/RT8/X8/RX8 Accessories 7.1.2 Radio Receiver Lamp Explanation Is not lit The receiver is not powered up. The receiver is powered up but does not have radio POWER link. Flashes The receiver is powered up and has radio link. Is not lit The receiver is working correctly. -
Page 45: Charging
HTC T8/RT8/X8/RX8 Accessories 7.1.3 Charging Machine Battery If the battery disconnector is closed (turned clockwise), the machine battery is charged. The battery disconnector should be closed when the machine is propelled using the remote control. The battery disconnector can be left closed when the machine is connected to the mains. -
Page 46: Locking The Wheels
HTC T8/RT8/X8/RX8 Accessories 7.1.5 Locking the Wheels Machines with radio control are equipped with a locking mechanism on each wheel. Wheel locking is used to lock and release the machine's wheels from their drive motors. In the locked position, the drive motors are connected to the wheels, this means that the machine can only be moved by using the drive motors via the operating panel or the remote control. -
Page 47: Radio Control
HTC T8/RT8/X8/RX8 Accessories 7.2 Radio Control Lock/Release Wheel Locking See Locking the Wheels page 46. Battery Disconnecter Switch on the battery disconnecter, see Charging page Remote Control Ensure that the emergency stop switch (5) is disconnected as well as that the D-P-R control is in position P and the grinding switch is in position 0. -
Page 48: Gps Tracker
HTC T8/RT8/X8/RX8 Accessories Grinding Set the grinding speed using the knob (10). The set value can be seen on the display. Set the propulsion speed using the knob (11). The set value can be seen on the display. Choose direction of rotation (12) for grinding. The machine starts grinding. -
Page 49: Registration
HTC T8/RT8/X8/RX8 Accessories 7 The GPS tracker searches for its position for approx. 2 minutes. This is not indicated by any diode. 8 Ring the GPS tracker's mobile number (see enclosed envelope) using any mobile phone. After a couple of signals, the call is disconnected and within a few minutes you receive a text message with date, time (GMT), position and a link to a map where the position of the GPS tracker is marked (needs Internet connection). -
Page 50: Gsm Card
HTC T8/RT8/X8/RX8 Accessories • SOS, signal sent to defined telephone number. All commands can be given using both the remote control and via text message, however, with one large difference. When the remote control is used to activate Geofence alarm or sensor alarm, the machine is locked. -
Page 51: Water Package
HTC T8/RT8/X8/RX8 Accessories Test that the pairing succeeded by pressing any button on the remote control, a green LED adjoining the text on the GPS tracker should light up and go out when any button on the remote control is pressed. -
Page 52: Wet Grinding
HTC T8/RT8/X8/RX8 Accessories Grinding Attach the appropriate tool to the machine. Set the handle to the working position. Fill the tank with cold water. Start the Mist Cooler System by pressing the button on the control panel. When the system is active, the symbol on the display for the Mist Cooler System is lit. - Page 53 HTC T8/RT8/X8/RX8 Accessories Wet grinding with water is used when grinding difficult to grind floors. It is also used to obtain a greater performance or lower temperature during grinding. Grinding Set the handle to the working position. See page 32.
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Page 54: Maintenance And Repair
HTC T8/RT8/X8/RX8 Maintenance and repair 8 Maintenance and repair 8.1 General WARNING Moving parts. High noise level. Risk for personal injury. Always use the recommended personal protective equipment. WARNING Electrical current. Risk for personal injury and mechanical damage. Disconnect the power prior to cleaning, maintenance, change of tools and repair. -
Page 55: Prior To Each New Grinding Process
HTC T8/RT8/X8/RX8 Maintenance and repair • Always clean the machine after use. Only use high-pressure washer on grinding head and hose and sponge on the rest of the machine. • Vacuum clean the electrical cabinet, cooling fan and cooling flange. -
Page 56: Spare Parts
HTC T8/RT8/X8/RX8 Maintenance and repair 8.7 Spare parts To ensure rapid delivery of spare parts, always specify the model, the machine's serial number and the spare part number when ordering. Information on the model and serial number can be found on the machine's name plate. -
Page 57: Troubleshooting
HTC T8/RT8/X8/RX8 Troubleshooting 9 Troubleshooting 9.1 General This chapter describes faults that may occur and how to deal with these faults. If the faults cannot be dealt with, or if there are other faults, contact your nearest retailer. For contact information, see the start of the manual. -
Page 58: Fuse Or Earth Fault Breaker Trip Frequently
HTC T8/RT8/X8/RX8 Troubleshooting 9.3 Fuse or earth fault breaker trip frequently Fault description Cause Instruction user EMC filter, cabling or Too high a leakage Earth fault breaker trips. converter current/earth fault. Check size of fuses and inertia. Reduce the machine's load... -
Page 59: Warnings And Error Messages
HTC T8/RT8/X8/RX8 Troubleshooting 9.5 Warnings and Error Messages 9.5.1 Warnings The error messages and warnings are shown on the display on the machine and/or remote control. A warning message is displayed in yellow on the display, the machine can still be used. - Page 60 HTC T8/RT8/X8/RX8 Troubleshooting Symbol Warning Fault description Action CONTROL VOLTAGE Check PSU. Check Low control voltage. battery voltage. GENERIC INVERTER Go to the HTC Support Converter indicates error. WARNING (error code) website. Check the function of the fans. Clean fans/cooling flange.
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Page 61: Error Messages
HTC T8/RT8/X8/RX8 Troubleshooting 9.5.2 Error Messages Symbol Error Message Fault description Action Check cabling. Check CANBUS ERROR Error on CAN bus. units connected to HMI. Reset emergency stop. Check the remote control and reconnect EMERGENCY STOP Emergency stop radio with the ACTIVATED activated. - Page 62 HTC T8/RT8/X8/RX8 Troubleshooting Symbol Error Message Fault description Action Error on incoming OVERVOLTAGE Input voltage too high. supply. Incoming supply has Phase error incoming lost one or more PHASE LOSS supply. phases. Check incoming supply. Check control voltage. Low voltage radio Check battery voltage.
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Page 63: Technical Data
HTC T8/RT8/X8/RX8 10 Technical Data HTC T8 HTC T8 HTC T8 Output 12 kW / 16 hp 15 kW / 20.1 hp Current 50 A 30 A Frequency 50-60 Hz 3x200-240 V 3x380-415 V 3x440-480 V Voltage +-10% +-10% +-10%... - Page 64 HTC T8/RT8/X8/RX8 HTC T8 HTC T8 HTC T8 Sound pressure level, according to 86 – 92 dBA ISO 11201 Sound power level, according to ISO 91 – 104 dBA 3744 Vibrations, Floor 1.81 m/s² preparation (T-Rex) Permitted daily exposure, Floor >...
- Page 65 HTC T8/RT8/X8/RX8 HTC RT8 HTC RT8 HTC RT8 Output 12 kW / 16 hp 15 kW / 20.1 hp Current 50 A 30 A Frequency 50-60 Hz 3x200-240 V 3x380-415 V 3x440-480 V Voltage +-10% +-10% +-10% Control voltage 24 V...
- Page 66 HTC T8/RT8/X8/RX8 HTC RT8 HTC RT8 HTC RT8 Sound power level, according to ISO 91 – 104 dBA 3744 Vibrations, Floor 1.81 m/s² preparation (T-Rex) Permitted daily exposure, Floor > 10 h preparation (T-Rex) 28.5 m/min Propulsion speed 93.5 ft/min...
- Page 67 HTC T8/RT8/X8/RX8 HTC X8 HTC X8 HTC X8 Output 12 kW / 16 hp 15 kW / 20.1 hp Current 50 A 30 A Frequency 50-60 Hz 3x200-240 V 3x380-415 V 3x440-480 V Voltage +-10% +-10% +-10% Control voltage 24 V...
- Page 68 HTC T8/RT8/X8/RX8 HTC X8 HTC X8 HTC X8 Sound power level, according to ISO 91 – 104 dBA 3744 Vibrations, Floor 1.59 m/s² preparation (T-Rex) Permitted daily exposure, Floor > 10 h preparation (T-Rex) HTC RX8 HTC RX8 HTC RX8...
- Page 69 HTC T8/RT8/X8/RX8 HTC RX8 HTC RX8 HTC RX8 Rec. minimum cable 16 mm² 6 mm² area 6 AWG 10 AWG Storage temp. (short -20° – +60 °C term, e.g. transport) - 4 – +140 °F -10° – +40 °C Working temp.
- Page 70 HTC T8/RT8/X8/RX8 Dimensions 1340 mm 867 mm 2191 mm Grinding position 53 inch 34 inch 86 inch D003128, 02.00...
- Page 71 HTC T8/RT8/X8/RX8 Dimensions 1067 mm 867 mm 1533 mm 1991 mm Transport position 42 inch 34 inch 60 inch 78 inch D003128, 02.00...
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Page 72: Environment
HTC T8/RT8/X8/RX8 Environment 11 Environment HTC's products are constructed mainly of recyclable metal and plastic. The main materials used are listed below. 11.1 Chassis Machine part Material Waste management Chassis Metal Metal recycling Plastic Handle Metal recycling covered steel Wheels... -
Page 73: Electrical System
HTC T8/RT8/X8/RX8 Environment 11.3 Electrical system Machine part Material Waste management Control cabinet Steel Metal recycling Copper conductors with PVC Cables Metal recycling / Nylon covering Electrical components Electronic waste If possible, different metals should be separated. 11.4 Recycling The machine or machine components can be returned to HTC Sweden AB.