HTC 950 RX Manual
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HTC 950 RX Manual

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  • Page 3: Introduction

    Introduction The HTC 950 RX™ is the most advanced mobile grinder in the world which by definition also makes it the fastest in the world. Its predecessor, the HTC 800, revolutionised the market in 1992. Since then, HTC has manufactured over 4,000 grinders, making us the market leader within the field.

  • Page 4: Liability

    HTC reserves the right to alter descriptions in this manual without prior notice. • This manual is protected by copyright and no part may be copied or in any way used without the express written per- mission of HTC. Trademark The HTC trademark is owned by HTC Sweden AB. Other names and products mentioned in this manual may be registered trademarks of their respective companies. © 2004 HTC Sweden AB. Sole rights.
  • Page 5 Machine plate ......................................8 Unpacking the machine ..................................9 CE marking ......................................9 Declaration of Conformity ................................10 HTC 950 RX™ ....................................... 11 Description of the machine ................................12 Function description of machine components ......................13 1. Drive lock: .......................................13 2. Motor box drive: .
  • Page 6 Control description - Control panel .............................15 1. Standby indicator - Power: ...............................15 2. Overload indicator: ..................................15 3. Communication error indicator - Com Error: ........................15 4. Radio control indicator - Radio Enabled: ...........................15 5. Radio control On/Off: .
  • Page 7 Operating via the control panel - Manual control ........................25 Emergency Stop switch on the grinder ...........................25 Start-up procedure ....................................25 Overload ........................................25 Radio control ....................................26 Operation via radio control unit – Radio control .........................26 Start routine – Radio control ................................26 Stop routine –...

  • Page 8: Warranty

    The manual In addition to general functionality, this manual also covers the application and maintenance of the HTC 950 RX™ grinder. A number of symbols have been used to clearly mark the sections that are of extra importance in the manual, see below. In order to avoid personal injury and material damage, as far as possible, it is of the utmost importance that you carefully read and fully understand the texts that accompany these symbols.

  • Page 9: Safety

    If the machine is kept in a cold area, it must stand in a heated room for two hours prior to use. Only use the machine with the splash guard fitted. Only use HTC original tools and original spare parts.

  • Page 10: Vibration And Noise

    Vibration and noise The machine has been tested in accordance with ISO 8662-4 and ISO 11202 with respect to vibration and noise. The mean value for vibrations is 1.01 m/s² which applies when the grinder accelerates. Sound power level when rough grinding concrete is 93 dB (mean value).

  • Page 11: Unpacking The Machine

    The following pages include the Manufacturer’s Declaration of Conformity that demonstrates that the HTC 950 RX™ grinder complies with the EMC directives. The HTC 950 RX™ is classified for use in environments such as heavy industry Class A.

  • Page 12: Declaration Of Conformity

    As per the Machinery Directive, 98/37/EG The EMC Directive, 89/336/EEC Low Voltage Directive 73/23/EEC including amend- ments and as per the CE Marking Directive, 93/68/EEG Type of equipment Grinder Make Trademark HTC 950 RX™ Serial number ___________________ Manufacturer HTC Sweden AB Box 69 SE-614 22 Söderköping, Sweden...
  • Page 13 • Much more efficient and quicker grinding The HTC 950 RX™ is the result of several years of devel- opment. This grinder is faster, bigger and more powerful • The possibility in the future of connecting several than its predecessors.

  • Page 14: Description Of The Machine

    Description of the machine 1..Drive.lock 7..Control.panel 13..Weight 2..Motor.box.drive 8..Handle 14..Grinding.cover 3..Electrical.cabinet: 9..Handle.locking 15..Water.connection 4..Weight.lock.(up.position) 10..Lifting.eye 16..Weight.lock.(down.position) 5..Connection,.extractor 11..Front.cover 17..Splash.guard 6...32A.Connection,.elec 12..Motor...

  • Page 15: Function Description Of Machine Components

    Function description of machine components pending on the operation to be carried out by the floor grinder. 1. Drive lock: 9. Handle locking: The drive lock locks or releases the machine wheels Spring loaded locks are located on both sides of the from their driving motors in the drive motor box (2).

  • Page 16: Control Panel On The Machine

    Control panel on the machine 1..Standby.indicator 4..Radio.control.indicator 7..Start/Stop.of.grinding.head.rotation 2..Overload.indicator 5..Radio.control.On/Off 8..Emergency.stop 3..Communication.error.indicator 6..Adjustment.of.rotation.speed.of.the.grinding.head 9..Ignition.switch...

  • Page 17: Control Description - Control Panel

    Control description - Control panel 6. Adjustment of rotational speed of the grinding 1. Standby indicator - Power: head - Speed (Grinding Head Speed): This lamp indicates the machine is in standby mode Use this knob to set an appropriate rotation speed with its systems activated. The position of the key in for the grinding head.

  • Page 18: Radio Control Unit

    Radio control unit 1..OFF/ON,.Emergency.stop 2..Steering.control 3..Frequency.button 4..Grinding.head.rpm 5..Grinding.head.OFF/ON 6..Battery.LED 7..Radio.LED 8..Battery 9..Speed,.motion 10..Motion,.fwd/rev 11..Adjustment,.control 12..Start.Radio...

  • Page 19: Description Of Controls – Radio Control Unit

    Description of controls – Radio control unit 1. OFF/ON, Emergency stop 7. Radio LED OFF/ON and emergency stop; used to switch the hand This LED flashes green to indicate that the hand controller controller off and on. Can be used as an emergency is transmitting.

  • Page 20: Operation

    Operation Forwards position: Used when transporting etc., The HTC 950 RX™ contains a number of functions that are when the grinder takes up substantially less space. important to know prior to operation. Read carefully through the functions of the various systems to ensure that you fully...

  • Page 21: Wheel Locking

    Wheel locking The HTC 950 RX™ is fitted with a locking mechanism on both wheels. In locked position, the motors in the motor drive box are in contact with the wheels. The grinder can in When fault tracing, you can release the wheels from this case only be moved by the driving motors being run via the motors and test run without the machine mov- the grinder control panel or via the radio control unit. Re-...

  • Page 22: Grinder Weights

    Grinder weights The HTC 0 RX™ has weights that enable the easy positioning of the grinder’s centre of gravity. There are weight locks on each weight for locking the weights in either up or down position. The weights can also be Picture.2..Normal.po- set to back position (towards the operator). See pic- sition.for.the.weights. Also. use. in. up. posi- ture 2 for normal position.

  • Page 23: Tools - Access Of Tools

    Tools - access of tools The grinder must be tilted backwards in order to mount and change tools. Raise the handle to upright position and set the weights furthest back, see picture 1. To get a better effect when tilting the grinder, the operator can put one foot against the frame and slowly tilt the grind- Picture.2..Tilt.the.grinder.backwards.until.the.weights.reach.the.

  • Page 24: Grinding Tools - Mounting And Changing

    The tools Picture.2..Now. can remain hot for some time following use. you.can.lock.the. tool.by.applying. a.few.light.blows. The HTC 0 RX™ is equipped with our newly patented to.the.tool.holder. and copyright protected EZchange™ tool system. It con- using.a.rubber. sists of wings with diamond tools. These wings are folded hammer.

  • Page 25: Transport

    If the floor is to be dry ground, a dust extractor should be connected and started before starting the machine. The HTC 950 RX™ can also be transported by its lifting eye using other lifting implements such as a fork-lift or crane.

  • Page 26: Radio Or Manual Control

    Radio or manual control The HTC 0 RX™ can be operated both via the built-in control panel see picture  on the grinder and via the sepa- rate radio control panel see picture 2. When operating manually, it is the operator that moves the grinder forwards across the floor without any drive from the wheels. Check that the wheel locks are released when operating manually. See picture . page . Picture.1..Control.panel.on.the.machine..When.the.key.is.turned. When the grinder is being run via the radio control unit, the to. the. right,. the. “Power. lamp”. indicates. that. the. grinder. is. in.

  • Page 27: Operating Via The Control Panel - Manual Control

    Operating via the control panel - Manual control Start-up procedure The HTC 0 RX™ can be operated manually just as previ- Providing the points in the “Prepare to start” section on ous models. Manual operation is suitable in areas that are page 23 have been checked, the following applies: difficult to navigate, otherwise we recommend using the radio control function as this is preferable from a working •...

  • Page 28: Radio Control

    Radio control Start routine – Radio control 1. Release the “Stop/Emergency stop” button (1) on the The HTC 950 RX™ is the first radio-controlled grinding hand controller to switch the controller on. The green LED machine in the world. This means that the operator need (7) must now start to flash.

  • Page 29: Change Of Radio Frequency

    3. Turn the “Grinding head rpm” potentiometer (4) to MIN. If the distance between the machine and the radio control 4. Set the “Grinding head Off/On” switch (5) to STOP. unit becomes too great, communication is cut off and the machine stops. To resume operation via the radio control 5.

  • Page 30: Make Operation Easier

    Make operation easier To avoid the extractor hose to the dust separator and mains cable coming into the work area or line of travel of the grinder, running the cable as shown in the picture below will make operation much easier. Picture.1..By.running.the.hose.and.cable.as.shown.in.the.picture.

  • Page 31: Maintenance

    Maintenance When the radio control unit is charged, the yellow lamp on the radio control panel lights. If the red lamp is lit, a battery error has occurred. Contact HTC for further instructions. Cleaning the machine The radio control unit cannot be charged when run- Always clean the machine after use. ning the grinder. Do not use a pressure washer to wash the grinder as Do not expose the batteries to open flames as there this can force water into various components caus- is a risk of explosion.
  • Page 32 Daily: • Clean the machine if it has been used for wet grinding or mist spray. • Check wear on the tools – abnormal or uneven wear can indicate damage to the grinding holder. • To avoid failure, check the tool holder and grinding holder for damage or cracks. If any damage has occurred, change the parts.

  • Page 33: Spare Parts And Service

    Spare parts and service Any repairs that may be necessary are to be performed by a HTC Service Centre, which has trained service per- sonnel in HTC 0 RX™ and who use HTC original parts and accessories. Contact your distributor for HTC 950 RX™ if you require spare parts or service. Always state the model and serial number when you have queries about your grinder. Environment The majority of components in HTC machines are made of recyclable metals or plastics.

  • Page 34: Technical Data

    Technical data...
  • Page 35 Technical data - Mechanics Technical data - Material HTC 0 RX™ HTC 0 RX™ Weight: 600 kg Covers: ABS plastic Weight chassis: 310 kg Chassis: Galvanised steel Grinding diameter: 920 mm Handle: Plastic-coated steel Weight grinding head: 290 kg Motor: Aluminium Grinding pressure weights 400 kg Wheels:...

  • Page 36: Frequently Asked Questions - General

    HTC. The serial number on the machine must be given when ordering. Question: Can you work with and remotely control more than one HTC 950 RX at the same time in the same area without them interfering with each other? Answer: Yes, theoretically up to 60 machines but in prac-...

  • Page 37: Fault Tracing

    Fault tracing Com error flashes on and off. The grinder does not go into standby mode when the key is turned. This could be quite normal if other radio signals in the relevant frequency band are being sent in the vicinity. Check that the grinder has the correct feed, that all fuses Sometimes items of equipment can jam each other and the are intact and that the earth fault breaker has not tripped.

  • Page 38: Electronic Error Codes

    Electronic error codes The HTC 950 RX™ is fitted with an advanced frequency converter The converter can provide an error code for certain errors that assist when fault tracing. Always state the error code if possible when contacting support. For resetting see page 37.
  • Page 39 Electronic error codes cont. Error code Cause Action SCF = Short circuit on motor side Check the cabling and test the insulation Due to a short circuit either in the motor or in the motor if necessary. Test by loosen- in the motor cable. May also be an earth ing the motor cable and starting the fre- fault. quency converter to see if the error code arises.
  • Page 40 Error code Cause Action ObF = Driving load when shutting down Reset converter. Arises if the grinding discs are running when the grinder is shut down. PHF = Mains phase outage Check the feed to the grinder, i.e. fuses If this occurs the PHF flashes in the dis- and cable.
  • Page 41 Resetting the converter 1. Cut the current (can be done using the on/off, emergency stop switches or by disconnecting the contact) 2. Wait about one minute until the converter has gone out 3. Switch off the current Overloading the grinder is a common fault. There are three levels of overload 1.

  • Page 42: Parts List Chassis

    3 28 Gas spring complete HTC 950 03 Sliding valve 29 Adjustment bolt, Lockable 03 Sliding valve 30 Weight 14 kg left HTC 950 110982 Quick coupling female 111127 30 Weight 14 kg right HTC 950 0 Quick coupling male 3 Weight 35 kg HTC 950...

  • Page 44: Parts List Mist Cooler System

    Art. No. Description Art. No. Washer BRB M8 galvanised 300 Screw MC6S M5x12 310140 Bushing 2531-1/2-1/4 111524 Fixing plate ball valve, Left HTC 0 Hose connection 1511-6/4-1/4 111523 Screw MC6S M6x12 8.8 30030 Hose connection 2601-12-1/4 110205 Elbow piece MF 2020-1/4...

  • Page 46: Parts List Handle

    3 Wall inlet 32A 346-415V 5P 03 BLACK 14 Screw MC6S M5x20 zinc-plated 30  Handle ball HTC 0 03  Pin HTC 950 111028  Screw MC6S M6X16 8.8 zinc- 310082 plated  Washer BRB M6 310012  Pin, chassis HTC 950 111023 20 Spring HTC 0 110942...

  • Page 48: Parts List Drive Mechanism

    Ball bearing 61908-2RS1 0 Spacer wheel locking HTC 950 111052 0 Ball bearing 61908-2RS1 0  Sleeve wheel locking HTC 950 00 12 Washer wheel locking HTC 950 0 3 Washer BRB M6 310012 14 Screw MC6S M8x20 8.8 zinc-...

  • Page 50: Parts List Grinding Head

    Screw MC6S M8x20 8.8 zinc-plated 30 Fixing lug HTC 0 110912 Fitting bolt 16xM12x25 HTC 950 30 Screw M6S M8x16 zinc-plated 310192 Tensioning wheel plate Exc. HTC 950 03 Washer BRB M8 300 Tensioning wheel shaft Exc. HTC 950 03 Screw MC6S M8x70 zinc-plated 310074...

  • Page 52: Parts List Grinding Holder (1X4)

    Parts list grinding holder (1x4) No. Description Art. No. Grinding holder, upper HTC 950 03 Polycord holder, outer HTC 9500 0 3. Polycord black 184 mm 03 3.2 Polycord green 184 mm 03 Polycord holder, inner HTC 950 0 Screw MFT-TT M6X16 8.8 zinc-pla-...

  • Page 54: Parts List Electrical Components

    Parts list electrical components Description Electrical socket Control panel Radio control Connection motor...
  • Page 55 Kontrollpanelskabel 32A.380V.Nätkabel Kommunikationkabel.mellan.kontrollpanel.och.radiosändare Motorkabel Kabel.för.matning.av.höger.drivmotor.(sett.från.kontrollpanel) Kabel.för.matning.av.vänster.drivmotor.(sett.från.manöverpanel)
  • Page 56 HTC Sweden AB Po.Box.69 SE-614.22.Söderköping.-.Sweden Tel:.+46.(0).121-294.00 Fax:.+46.(0).121-152.12 www.htc-sweden.com...

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