Operator Manual
Contents
1. ccceeeeeeeeeeeeeeeeeeeeeeeeeeeeees CICANING 12356 pc Oh a Sh a a Charging replacing the radio control unit s batteries Daily sertepa s e e sexedan ale Genet pions EE LEE EEE Every Week oeieo to dct rete dotra ech eiaeaen e tonande eenaa Every month or 100 hours 2 sccesccep cede se ss lesa aslenece eTo re VeA E A AS EE E Spare parts aaasteaicevanresweuasenn in E E a doe taes HTC 650 RX 15 15 16 17 18 20 21 22 23 HTC 650 RX 6 Faultfinding 10 Table of contents 6 1 General Information 0 00 0 cece cc cecccecc ccc ccecceceuceeeeeees 6 1 1 6 1 2 6 1 3 6 1 4 6 1 5 6 1 6 6 1 7 The machine will not start 000 0 0 02 The machine vibrates or wears the tool unevenly ae Sette Sete eae ee dea ee The machine is grinding at an angle The machine stops manual operation The machine stops radio control The fuses trip frequently 0 eee The machine cannot cope 2208 Electronic error codes 7 1 General Information 0 0 00 ccc cece ceccceccccceccecceceeceeesesens 7 2 Resetting the frequency converter 0 ccccccceees Technical data Environment Warranty and CE marking 10 1 Warranty cates ciaapindpetsradesaapecuies Demegeucysauss daaietecialaisaduelperceebis 10 2 CE marking c2 cccei lt cccaten oven de lwascestntnnedebeniindac2. Figure 4 7 Weights folded back 4 5 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 changing tools or repairing the machine 1 Set the handle to the rear position see Figure 4 2 page 17 2 Fold the weights back and place a foot against one of the weights see Figure 4 8 page 20 Figure 4 8 Foot on weight 20 2 0 HTC 650 RX Usage 3 Tip the machine backwards carefully until the weights reach the floor see Figure 4 9 page 21 Figure 4 9 Weights on the floor 4 Tip the machine further back until all of the machine reaches the floor see Figure 4 10 page 21 Figure 4 10 Machine on the floor 4 6 Fitting and replacing grinding tools Warning Disconnect the electrical supply when changing tools or repairing the machine 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 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 2 0 21 Usage HTC 650 RX 4 6 1 Fitting grinding tools 1 Slide the grinding tool
3. S derk ping 01 01 2010 Peter Lundgren Kare Kilgren Development Manager Product Manager HTC Sweden AB HTC Sweden AB HTC 650 RX Table of contents 1 Introduction 1 To Ge eral a adei A EAE A EA 1 1 2 Responsibility cecicse A ates eset cotied occtic eerie iteee eee 1 TES J Mantal see eee aa ea a e 1 1 3 1 Safety instructions Explanation of symbols 1 1 4 Transportation lt scasister saco hates ahs beeeden hettsnta dolce een i alanes atchce eerconterdonlsod 2 E5 9 ko h 1 ienie wee ee none on ice Bere 2 1 6 Unpacking the machine 23 4 2 ee ode eee 3 1 7 Machine name plate ccccccceceeeeeeeeeeeeeeeeeeeeeeeeaees 3 1 8 Handling and storage oo eee cece eee eeeeteeeeeeeees 4 1 9 Vibration and noise ceceeeeeeeeeeeeeeeeeeeeeeeeaeeneaees 4 1 9 1 Hand and arm vibrations 0 2 2220085 4 1 9 2 Sound pressure level 000 ceeeeeeeeeeeeees 5 2 Safety 6 2 1 General Information 00 00ccceeeeeeeeeeeeeeeeeeeeeeeeeees 6 py am WaN ee nee ee ee Pe DE ice eae 6 23 NOLES erdade enea eatae e i tailed 7 3 Machine description 9 3 1 General machine description 22 00eeeeeeeees 9 3 2 Description of controls Control panel 11 3 3 Description of controls Radio control unit 13 Table of contents 4 Usage 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4
4. MANUAL HTC 650 RX Translation of manual in original language Contact Information HTC Sweden AB Box 69 SE 614 22 S derk ping Sweden Tel 46 0 121 294 00 Fax 46 0 121 152 12 You can find addresses for our retailers 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 EC Declaration of conformity Manufacturer HTC Sweden AB Box 69 SE 614 22 S derk ping Sweden 46 0 121 29400 Type of equipment Grinding machine Make HTC Model HTC 650 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 2004 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 2009 The technical documentation is available from the manufacturer Original of the EC declaration of conformity Swedish Other languages are translations of the original of the EC declaration of conformity
5. ma NOTE Reset all controls and press Vy to start radio control connection 9 dP P e _ _ as 11 10 9 8 7 6 5 4 3 2 Figure 3 4 The radio control unit 1 STEERING Control for steering the machine to the right R and left L 2 FREQ Frequency button Push the button to change the frequency of the radio control 3 GRINDING SPEED 0 100 GRINDING SPEED 0 100 Regulates the rotational speed of the machine s grinding discs 4 ON STOFP Start stop the grinding discs rotation Move the control to ON to start the rotation move the control to STOP to switch off the rotation 5 Battery compartment Holds the batteries that power the radio control unit 6 EM STOP Breaks the radio contact between the radio control unit and the machine s receiver which results in the machine stopping immediately The radio control unit should be switched off when it is not in use Can also be used to start stop the radio control unit Used in combination with the button Start of radio communication J SPEED min max Turn to adjust the machine s speed in the direction of movement 8 FWD RWD Control for moving the machine forward FWD or backwards RWD 13 Machine description HTC 650 RX 14 9 OFFSET L R Turn the control to the left L or the right R to adjust for any tendency to veer 10 Start of radio communicatio
6. 2 0 HTC 650 RX Usage Stop the machine for how this is done see under Stop the machine Radio control page 28 Press and hold in the button to start radio communication Press on the frequency button FREQ The machine s radio receiver automatically searches for the new frequency the number of the selected frequency channel is shown briefly on the radio control unit s display Press on the frequency button FREQ to see the selected frequency channel while operating Note ED If the error code Jt is shown on the display immediately contact the HTC Service Centre for instructions Release the button to start radio communication Start the machine for how this is done see under Start the Machine Radio Control page 27 4 10 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 27 4 11 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 2 0 29 Usage 30 HTC 650 RX Figure 4 14 Making operation easier Tip By arranging the hose and cable as shown in the picture you avoid disruptive
7. ComError can start 34 2 0 HTC 650 RX Faultfinding 6 1 7 2 0 to blink on and off When the contact between the machine and the radio control has been broken for too long the machine stops for safety reasons e Check if the communication error indicator ComError blinks e Restart the machine and switch off any interfering equipment e Check the error code in the display on the frequency converter see Electronic error codes page 36 The fuses trip frequently e The load is too high on the distribution box to which the machine is connected Use a different socket or reduce the speed of the machine e Check the tools Ensure that the correct tools are used that they are in working order and that they are correctly fitted The machine cannot cope e Heavy load Press the handle down slightly so that the grinding head eases slightly away from the surface being ground e 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 e Check the tools Ensure that the correct tools are used that they are in working order and that they are correctly fitted e Voltage drop Check that the cable area meets HTC s recommendations Tip Check the minimum recommended cable area before using an extension cord You will find the recommended cable area under Technical data page 38 35 Electronic error codes 7
8. 8 4 9 General Information esssdevvececec ces ichagocarecectancectdesteetawinets Handle settings Ssgeteciu sk os adeaceniteccaetes mcacieneicencee asececccs Wheel IOCKkiING agride neeo en a eer eea ea eee aee Handling Weights oieee neen leena Access to grinding tools ssssssssseeeeeerrrrressssssrrrrrrrr e Fitting and replacing grinding tools sssseseeeseeeeeeeeee 4 6 1 Fitting grinding tools n se 4 6 2 Changing grinding tools sseeeeeeeseseseee ee Preparations for dry grinding 0c ce eeeeeeeeeeeeeeeees Preparations for wet grinding 22 e eect eeees Manoeuvring via the control panel cc eee 4 9 1 Standby ccees SK eecess ced chk cate cenicercas ese cece ce 4 9 2 Emergency stop switch 00cceeeeceeeeeeees 4 9 3 Start the machine Manual driving 4 9 4 Overload ssi Se Ott eke a ie tes 4 10 Manoeuvring via the radio control panel 4 410 1 Standby saris see eee hos Sees EEE 4 10 2 Start the Machine Radio Control 4 10 3 Stop the machine Radio control 4 10 4 Changing the radio frequency 0cee 4 10 5 Interrupted radio communication 4 11 Making operation easier c ccccceeeeeseeeseneeeneeeeeneeeeeees 5 Maintenance and repairs 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 General Information
9. diagonally from above down into the appropriate guide slot on the tool holder see Figure 4 11 page 22 Then push the tool fully into the guide slot Figure 4 11 Fitting grinding tools 2 Lock the grinding tool into the tool holder by giving it a few light taps with a rubber hammer see Figure 4 12 page 22 Figure 4 12 Locking grinding tools 22 2 0 HTC 650 RX Usage 4 6 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 13 page 23 Then draw the tool up out of the guide slot Figure 4 13 Removing grinding tools 2 Slide the grinding tool diagonally from above down into the appropriate guide slot on the tool holder see Figure 4 11 page 22 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 12 page 22 4 7 Preparations for dry grinding Warning Check that the splash guard is fitted 2 0 23 Usage HTC 650 RX 1 Connect a dust extractor to the machine For dust extractor models see under the Suction System tab in the HTC Product Catalogue Note T 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 2 Inspect the floor carefully and remove any obj
10. to electromagnetic interference in the surroundings This machine is classified for use in environments such as heavy industry light industry and homes See the Manufacturer s Declaration of Conformity which shows that the machine is harmonised with the EMC Directive 41
11. 1 Code 0001 0002 0003 0004 0006 0009 0010 0012 0016 0022 0034 2001 2008 2009 36 HTC 650 RX Electronic error codes General Information 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 Cause Excess current Excess voltage Excess temperature in the converter Short circuit in motor or motor cable Under voltage Motor temperature too high due to overload Panel dropout Locked motor Earth fault Phase failure on supply in Phase failure in motor Output current limiter active Communication fault panel Excess temperature in the converter Action Review tool selection Reduce the grinding speed Check that the grinding head drive motor are moving freely Check the motor cable and connector Check the motor Check if the power supply is showing static or transient excess voltage Check the cabinet cooling system Ensure that the cabinet is clean Check the converter s cooling fan Clean the filter Check the motor cable and connector Check the motor Check the feed fuse and the mains fuse Check the cable dimension and length Check that the grinding head drive motor are moving freely Check the motor s cooling flanges and fan Check panel connection Check that the gri
12. Radio On Off is turned to the right On S Radio On Off Turn the knob to the right when the grinding machine is to be manoeuvred via radio control 6 Speed Rotation speed Regulates the rotational speed of the machine s grinding discs This is only possible when the grinding discs rotation is started via the Start Stop knob T Start Stop Start stop the grinding discs rotation Turn the knob to Start to start the rotation turn the knob to Stop to switch off the rotation 8 EM Stop Emergency stop switch Press the switch in an emergency to cut the power to the machine 9 On Off Start key to start stop the machine s functions Turn the key to the right On to activate the machine s functions and prepare for starting Turn the knob to the left Off to switch off the machine s functions When the machine is not to be used the knob Start Stop must always be turned to the Stop position and the knob Radio On Off 5 is always turned to the Off position The knob 5 being in the Off position is indicated by the Radio Enabled 4 indicator going out 2 0 HTC 650RX 0 Machine description 3 3 2 0 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 Description of controls Radio control unit The picture below shows the machine s radio control unit STEERING HTC Remote Control 1 OOOO OF RV D min
13. cover and fasten it in place with the screws 6 Start the machine see under Start the Machine Radio Control page 27 Daily Wash the machine if it is used for wet grinding or with the Mist Cooler system Check for wear to the grinding tool abnormal or uneven wear may indicate a damaged grinding holder Check the tool holder and grinding holder to ensure that no damage or cracks have arisen Replace the parts if there is any damage Remove any residues of building material from the radio control unit Every week Wash the machine Check the grinding holders Remove the tools and run the machine in mid air at the slowest speed If the grinding holders oscillate or wobble significantly they are damaged Check that the upper belt is whole by turning the large disc in one direction or the other If there is resistance the belt is whole if the disc rotates freely the belt is broken 2 Tip Recondition all the grinding holders at the same time Every month or 100 hours Tighten anything that may have vibrated loose Remove the grinding cover and check that it is undamaged Check the upper belt and replace if necessary Check the seals on the shafts on which the upper belt runs and replace if necessary Scrape and vacuum clean the parts shielded by the grinding cover Test run and listen for any dissonance from the bearings 2 0 HTC 650 RX Maintenance and repairs 5 7 5 8 2 0 Clean or if necessa
14. doexdes ouslencectendenss Table of contents HTC 650 RX HTC 650 RX Introduction 1 1 1 2 1 3 1 3 1 2 0 Introduction General HTC 650 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 The radio control means the operator is not affected by any vibrations from the machine Moreover the grinding work is more effective since for instance emptying the dust separator and handling the cables can be done at the same time as the machine is grinding Read the manual carefully so you are totally familiar with the machine before you start to use it Contact your local retailer for further information For contact information see Contact Information at the start of the manual Responsibility Even though every effort has been made to make this manual as complete and accurate as possible we bear no responsibility for incorrect or missing information HTC reserves the right 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 Manual In addition to the general functions this manual deals with the areas of application and
15. e are carried out Tip During faultfinding the wheels can be decoupled from the motors and test driven without the machine moving 4 4 Handling weights The machine is equipped with two weights to make it easy to move the machine s centre of gravity Each weight is provided with two locking pins with which the weights can be lowered and locked in three positions forward up normal position and backwards e Pull each pin out and lock in the extracted position by turning in the direction of the arrow see Figure 4 5 page 19 18 2 0 HTC 650 RX Usage Q Tip We recommend that the weights are folded up during grinding since if the grinding pressure is too high and the tool is wrong it can cause damage to the machine and the floor 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 5 page 19 Figure 4 5 Weights lowered forwards During normal grinding as well as during transport of the machine the weights should be placed in the up position see Figure 4 6 page 19 Figure 4 6 Weights in the up position During the exchange of tools and when tools with a high removal rate T Rex are used the weights should be folded back see Figure 4 7 page 20 2 0 19 Usage HTC 650 RX
16. ects sticking up such as reinforcement rods or bolts and any debris that could get caught in the machine 3 Attach the appropriate tool to the machine see under Fitting grinding tools page 22 4 Set the handle to the working position see Figure 4 2 page 17 4 8 Preparations for wet grinding Warning Check that the splash guard is fitted 1 Always use liquid suction when wet grinding 2 Tip Never use a dust extractor as blockages may develop in the dust extractor s suction hose and filter 2 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 3 Attach the appropriate tool to the machine 4 Set the handle to the working position see Figure 4 2 page 17 Warning Only use cold water with no chemical additives 5 Connect the water hose to the water connection 6 Turn the tap on the machine on to start the water supply 7 Turn in the opposite direction to turn the water off 24 2 0 HTC 650 RX Usage 49 4 9 1 4 9 2 4 9 3 2 0 Manoeuvring via the control panel 2 Tip Drive the machine manually in difficult to navigate spaces During manual driving the operator pushes the machine forwards across the floor surface and manoeuvres it via the control panel see Figure 3 3 page 12 Standby To activate the machine s functions turn the start key to the right When the key is in this pos
17. erial recommended by HTC The machine is a perfect choice for removing coverings and grinding of concrete floors according to the HTC Superfloor method which is an environmentally friendly method for grinding and polishing concrete floors Thanks to the fact the machine can be operated with the help of radio control the work is significantly simplified and the grinding time lengthened Furthermore the work is more effective since the discharging of the dust separator can be performed while the machine is radio controlled The machine is constructed from a number of main components see Figure 3 1 page 10 and Figure 3 2 page 11 Since it is equipped with four grinding discs the machine is balanced and easy to use which results in more efficient stripping and better grinding results It also has an integrated weight system for adjusting the grinding pressure which makes the machine perfect for those with high demands for flexibility The handle can be set in a number of different tilt positions Choose a position that suits you best when you want to operate the machinery manually 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 material to be ground For the different tools see HTC s Product Catalogue under the Grinding Guide tab HTC 650 RX can be equipped with a Mist Cooler system for effective cooling of the g
18. evels gt 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 exposure number of hours Grinding polishing 5 45 6 74 Floor preparation T rex 5 49 6 63 2 0 HTC 650 RX 1 9 2 Sound pressure level Introduction This machine has been tested for noise in accordance with ISO 3741 For information on sound pressure levels see the table in chapter Technical data page 38 2 0 Safety 2 1 2 2 HTC 650 RX Safety General Information This chapter contains all the warnings and notes that should be considered for HTC 650 RX 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 Warning Never use the machine in an environment with a risk of explosion or 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 goggles protective gloves breathing mask and ear muffs Warning The machine
19. ional speed GRINDING SPEED to 0 Move the control for starting and stopping the grinding discs rotation ON STOP to STOP Press the button to start radio communication The communication error indication ComError on the machine s control panel should then go out Start the grinding discs rotation by moving in the control ON STOP to ON Adjust the rotational speed with the knob GRINDING SPEED Start the machine s drive motors by moving the control FWD RWD to FWD Adjust the speed with the knob SPEED Check the wheel s locking if the machine does not move see instructions under Wheel locking page 17 Stop the machine Radio control l 2 Turn the knob for speed SPEED to min Set the control for driving forwards backwards FWD RWD in the middle position so the machine stops Turn the knob for the rotational speed GRINDING SPEED to 0 Move the control for starting and stopping the grinding discs rotation ON STOP to STOP Press in the button EM STOP to switch off the radio control unit Changing the radio frequency If several machines are used in the same workplace there can be interference with the radio communication which means that it is necessary to change the frequency on a machine It can also be necessary to change the radio frequency if other equipment that is used in the workplace causes interference with the radio communication Change the frequency by doing the following
20. ise yourself with the fire protection instructions for the working area and follow them 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 Warning Use protective equipment such as safety shoes safety goggles protective gloves breathing mask and ear muffs Warning The machine must only be started with the grinding head down The rotating disc must be touching the floor and the right tool must be fitted Warning The machine must only be used and moved on level surfaces There is a risk of being clamped if the machine should start to roll Warning The operator must never leave the machine unattended Tip Check the minimum recommended cable area before using an extension cord You will find the recommended cable area under Technical data page 38 15 Usage 4 2 16 HTC 650 RX Handle settings 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 Figure 4 1 Locking the handle 1 Loosen the handle by turning the handle lock to the left or the right 2 Move the handle to the desired position the handle locks automatically in the desired position 2 0 HTC 650 RX Usage 3 Make sure that the handle lock returns to the origina
21. ition the Power green indicator light on the control panel is lit indicating that the machine is in standby mode Emergency stop switch The emergency stop switch EM Stop must only be used in an emergency When the switch is pressed all electrically powered equipment on the machine are turned off Note E5 Do not use the emergency stop switch to stop the machine other than in emergencies as it decreases the lifespan of the machine s electrical components Note As long as the emergency stop switch EM Stop is pressed the machine cannot be started Reset by turning the switch 45 so that it pops out again The machine can then be restarted Start the machine Manual driving For a description of the control panel see Figure 3 3 page 12 1 Make sure the emergency stop switch has not been activated 2 Check that the wheel lock is decoupled from the wheel before operating see Figure 4 3 page 18 3 Insert the cable 4 Start the dust separator if dry grinding is to be done 25 Usage 4 9 4 4 10 26 HTC 650 RX 5 Turn the start key to the right On 6 Start the grinding discs rotation by turning the knob to Start 7 Set the speed for the grinding discs using the Speed knob 8 The machine has now started 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
22. l position to guarantee that the handle is locked properly 2 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 2 Rear position used for tipping the machine to make tool replacement easier It can also be used to advantage when driving the machine via the radio control unit 3 The forward position used for instance for transportation as the machine takes up significantly less space Lock the handle in the desired position using the handle lock see Figure 4 1 page 16 4 3 Wheel locking The machine is equipped with a locking mechanism on each wheel see the driving lock in Figure 3 2 page 11 The driving lock is used to release and decouple the machine s wheels from their drive motors which are located in the drive motor box see Figure 3 2 page 11 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 radio control unit 2 0 17 Usage HTC 650 RX e Decouple the wheels by pulling the locking pin straight out see Figure 4 3 page 18 Figure 4 3 Decouple the wheels e Turn the locking pin 90 and release it for the secured position see Figure 4 4 page 18 Q Figure 4 4 Turn 90 degrees In order to couple the wheels to the drive motors the same steps as abov
23. lace with the screws Check that the wheel lock is secured between the wheel and the drive motor see Figure 4 4 page 18 4 10 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 4 10 2 Start the Machine Radio Control Note T To save energy the radio control unit automatically switches off if a button is 2 0 not activated within a given time in which case the blinking points in the display are extinguished Turn the knob Radio On Off on the control panel to the right to prepare the machine for manoeuvring via the radio control unit the indicator Radio Enables on the control panel lights up Press the button EM STOP and then press the button to start the radio communication on the radio control unit to activate the radio control The buttons can be activated in any order but after you have pressed the first button the second must be pressed within 5 seconds When the radio control is activated the two points start blinking alternately with a red light on the control unit s display 27 Usage 4 10 3 4 10 4 28 HTC 650 RX Zero the radio control unit by doing the following Turn the knob for speed SPEED to min Set the control for driving forwards backwards FWD RWD in the middle position Turn the knob for the rotat
24. must only be started with the grinding head down The rotating disc must be touching the floor and the correct tool must be fitted Warning Read through the safety instructions and the manual carefully before use Warning Always use ear muffs when using the machine Warning During grinding the tools become very hot 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 changing tools or repairing the machine 2 0 HTC 650 RX Safety 2 3 2 0 Warning The machine must only be used and moved 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 Do not clean the machine using a high pressure washer Otherwise moisture may penetrate electrical elements and damage the machine s drive system Warning The operator must never leave the machine unattended Warning The machine may only be used when the splash guard is fitted Notes Note T 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 Q 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 Note ce For the CE marking to be valid the instructions in this manual must be follo
25. n Button to start the radio communication between the radio control unit and the machine s receiver It is used together with the EM STOP button 11 Display Channel Info Two points blink alternately with a red light when the radio control unit is activated The displays also shows information on the radio channel and any error messages The letter L appears and blinks rapidly when the batteries need to be recharged replaced The radio control unit functions for about 30 min after the L appears for the first time Take the radio control unit to a safe place when the L appears in the display and switch off the unit Install two charged AA batteries 1 2 V NiMH or alternatively two normal non rechargeable 1 5 V AA For instruction on charging replacement see under Charging replacing the radio control unit s batteries page 31 2 0 HTC 650 RX Usage 4 4 1 2 0 Usage General Information 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 choice of tools see HTC s Product Catalogue under the Grinding Guide tab 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 Warning Never use the machine in an environment with a risk of explosion or fire Familiar
26. national regulations for each country 2 0 HTC 650 RX Warranty and CE marking 10 10 1 10 2 2 0 Warranty and CE marking 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 The manufacturer is not responsible for indirect damage or costs under any circumstances For complete information on the manufacturer s warranty period see HTC s current warranty terms Local distributors may have special warranty terms specified in their terms of sale delivery and warranty If there is any uncertainty regarding warranty terms please contact your retailer 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 these regulations This machine carries the CE mark in accordance with the Low Voltage Directive LVD the Machinery Directive and the EMC Directive The EMC Directive states that electrical equipment must not disturb its surroundings with electromagnetic radiation and that it must also be immune
27. nding head is moving freely Check the motor cable and connector Check the motor Check supply fuses Check if there is a lack of symmetry in the mains supply Check the motor cable and connector Check the motor Check that the grinding head drive motor are moving freely Check the motor cable and connector Check the motor Check panel connections Check the cabinet cooling system Ensure that the cabinet is clean Check the converter s cooling fan Clean the filter 2 0 HTC 650 RX Electronic error codes Code Cause Action 2010 High motor temperature Check that the grinding head drive motor are moving freely Check the motor s cooling flanges and fan 2012 The motor is operating in the locking Check that the grinding head drive motor are moving range freely 7 2 Resetting the frequency converter 1 Switch off the machine by turning the start key to Off and waiting for 10 seconds 2 Start the machine by turning the start key to On 2 0 37 HTC 650 RX Technical data 8 Technical data The table below shows the machine s technical data Motor Current Tension LEDs Control current Total machine weight Chassis weight Weight grinding head Weights Grinding diameter Grinding pressure weights lowered forwards Grinding pressure weights in the up position Grinding pressure weights folded backwards RPM Water tank Grinding discs Recommended minimum cable area Sound
28. o make operating your machine or associated equipment easier and to avoid wear When you see this symbol you should read the accompanying text to facilitate your work and increase the service life of the machine Transportation Note The machine cannot be moved manually if the drive wheels are locked and the radio control activated Warning Never deactivate the radio control function when you have stopped the machine on a sloping surface during loading since the machine can start to roll The machine is best transported securely fastened to a pallet The machine can also be transported by lifting equipment for example truck of crane using the lifting eyes provided In which case make sure that the weights are locked in the forward position and that the handle is in its back position see Figure 4 5 page 19 and Figure 4 2 page 17 On delivery The following items are included in the delivery Contact you retailer if anything is missing 2 0 HTC 650 RX Introduction e Grinding machine e Manual e Locking key for control cabinet e Start key e Hammer EZ system e Splash guard e The radio control unit 1 6 Unpacking the machine Warning Read through the safety instructions and the manual carefully before use e 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 a
29. pressure level average value over time according to ISO 3741 measurement uncertainty according to class 1 measuring instruments for sound level meters HTC 650 RX US Mist 11 kW 25A 3 x 440 480 V 24 V 24 V 448 kg 236 kg 212 kg 2x 32 kg 680 mm 248 kg 172 kg 154 kg 373 1679 r p m 19 litres 4 x 230 mm 6 mm 96 dBA 38 2 0 HTC 650 RX Technical data 2015 1220 1050 1215 2120 Figure 8 1 Height and length of the machine in millimetres oo o o E a A 710 Figure 8 2 Width of the machine in millimetres 2 0 39 Environment HTC 650 RX 40 Environment HTC s products are constructed mainly of recyclable metal and plastic The main materials used are listed below Chassis Frame Electro galvanised steel Handle Plastic covered steel Wheels Polyurethane filled rubber wheels Cover ABS plastic Motor Aluminium Grinding head Lower cover Aluminium Cover ABS plastic External plate and steel components Electro galvanised steel Other components Steel Electrical system Control cabinet Stainless steel Cables Copper conductors with PVC covering Plastic components can be recycled by sorting as hard plastics Electronics can be deposited as electronic waste The machine or machine components can also be returned to HTC Sweden AB For recycling and scrapping of components see the applicable
30. rinding tools This system enables a very fine water mist to be diffused through a nozzle onto the floor surface which cools the tools making the grinding more effective Machine description Figure 3 1 The front of the machine Handle Handle lock Lifting eye Splash guard Grinding cover Wheels Locking pin Weight Water tank OOS Oy Om ONS HTC 650 RX 2 0 HTC 650RX 0 Machine description Figure 3 2 The machine s rear l Control panel 2 Electrical connection 3 Extraction connection 4 Hour counter 5 Control cabinet 6 Motor 3 2 Description of controls Control panel The picture below shows the machine s control panel 2 0 1 1 Machine description HTC 650 RX 12 Ss Ss _ r 5 IR L Error Radio On of Q H ont 5 8 7 6 Figure 3 3 Control panel 9 l 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 2 Overload Overload indicator Lights up to indicate that the machine is using too much power If this is ignored the power supply to the motor will be interrupted and an error code generated 3 Com Error Communication error indicator Lights when there is a communication error between the grinding machine and the radio control unit 4 Radio Enabled Radio control indicator Lights when the knob
31. ry replace the filter to the electrical cabinet Check the functioning of the radio control unit s ME STOP button 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 For contact information see Contact Information at the start of the manual 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 Information on spare part numbers can be found in the machine s spare parts list which is available to read or print out from the accompanying digital media or HTC s website www htc floorsystems com Only original tools and original spare parts from HTC may be used Otherwise neither the CE marking nor the warranty will be valid 33 Faultfinding HTC 650 RX 6 Faultfinding 6 1 General Information This chapter describes some of the faults that may occur and how to deal with these faults If the fault cannot be dealt with or if there are other faults contact your nearest retailer See Contact Information at the front of the manual 6 1 1 The machine will not start e Check if the emergency stop switch on the con
32. s well e Check that the delivery matches the order If there are any discrepancies contact your retailer 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 A N 11 Made in Sweden Figure 1 1 Machine name plate 2 0 3 Introduction HTC 650 RX 1 8 1 9 1 9 1 Model Model number Serial number Year of manufacture Power kW Voltage V Current A Frequency Hz 0 por A Oy ey ee ee Rotational speed 1 p m Weight kg 11 Address field 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 Vibration and noise Warning Always use ear muffs when using the machine Hand and arm vibrations Hand and arm weighted vibration level m s for HTC 650 RX have been measured with equipment approved according to ISO 5349 1 2001 The measurement uncertainty for the measurement apparatus has been measured as 2 The machine has been tested in accordance with ISO 5349 2 2001 and ISO 20643 2005 in order to identify the operations that contribute to the most frequent vibration exposures At vibration levels gt 2 5 m s the exposure time should be limited in accordance with the table below For vibration l
33. speed of the grinding discs to see if the Overload indicator goes out If this does not help follow the procedure for troubleshooting Tip If the machine is heavy to operate it can be due to the placing of the weights Fold the weights up or back to unload the grinding head see Figure 4 6 page 19 and Figure 4 7 page 20 Manoeuvring via the radio control panel During radio control the machine is manoeuvred via the radio control unit see Figure 3 4 page 13 Warning Never leave the machine unattended when operating via the radio control unit When operating via the radio control unit the machine is driven forwards with the help of the motors in the drive motor box From a work environment perspective operation via the radio control unit is recommended The radio control unit and the machine are individually paired which means that only the intended unit can control a machine The identification code can be seen on the machine sign and on the radio control unit 2 0 HTC 650 RX Usage Loosen the battery cover on the radio control unit by screwing loose the screws on the cover Place two charged AA batteries 1 2 V NiMH or alternatively two normal non rechargeable 1 5 V AA batteries in the battery space Note amp Rechargeable batteries must be fully charged before they are used for the same time Warning Never attempt to charge standard non rechargeable 1 5 AA batteries Close the cover and fasten it in p
34. stoppages caused by having to re position the cable and hose 2 0 HTC 650 RX Maintenance and repairs 5 1 5 2 5 3 2 0 Maintenance and repairs 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 safety shoes safety goggles protective gloves breathing mask and ear muffs Warning During electro welding work on the machine the radio receiver must always be disconnected to avoid damage to the receiver s electrical system Cleaning Warning Do not clean the machine using a high pressure washer Otherwise moisture may penetrate electrical elements and damage the machine s drive system e Vacuum the electrical cabinet if required e Always clean the machine after use with a damp sponge or cloth Charging replacing the radio control unit s batteries Warning Do not expose the batteries to naked flames since this could cause an explosion e 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 28 2 Loosen the battery cover by screwing the screws out on the cover 3 Remove the old flat batteries 31 Maintenance and repairs HTC 650 RX 5 4 5 5 5 6 32 4 Replace with the new charged batteries 3 Close the
35. the maintenance of the grinder Safety instructions Explanation of symbols A number of symbols are used in the manual to highlight the most important sections see below In order to avoid both personal injury and material damage as far as possible it is extremely important to read and understand the text next to these symbols particularly carefully There are other symbols indicating practical tips These are to help you use the machine in the easiest and most effective way The following symbols are used in the document to indicate where special attention is needed Introduction 1 4 1 5 HTC 650 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 This is to protect you and other users and to avoid damaging the machine or other equipment Note ate This symbol means Note and indicates that material damage can occur if the machine or its accessories are used incorrectly 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 This is to avoid damage to the machine or other equipment Tip This symbol means Tip and indicates that you can get tips and advice on ways t
36. trol panel is pressed Reset the switch by turning it 45 e Check if the power connection is correct Check that there is full voltage available on the supply s phase phases e Check the fuses and contactors in the electrical cabinet e Check the error code on the frequency converter s display For corrective measures see Electronic error codes page 36 6 1 2 The machine vibrates or wears the tool unevenly e Check that there is movement between the chassis and grinding head If necessary loosen one of the two pins in order to increase the play between the chassis and the grinding head e Check the belts replace if necessary e 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 e Recondition the grinding holder See under The machine vibrates or wears the tool unevenly page 34 e Check that the upper belt is undamaged Try to turn the large disc in one direction or the other there should be resistance If it turns freely the belt is broken and must be replaced 6 1 4 The machine stops manual operation e Check the error code in the display on the frequency converter see Electronic error codes page 36 6 1 5 The machine stops radio control Other equipment can interfere with the radio traffic between the machine and the radio control unit which means that the communication error indicator
37. wed Note The machine must only be lifted using the lifting eye intended for the purpose in accordance with the relevant instructions Note The machine should be stored in a dry warm plus degrees location when not in use Note amp If the 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 Safety HTC 650 RX Note The appropriated dust extractor must be used when dry grinding Contact HTC for model recommendation 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 Note Do not use the emergency stop switch to stop the machine except in emergencies Note As long as the emergency stop switch is pressed in the machine cannot be started Reset by turning the switch 45 clockwise so that it pops out again The machine can then be restarted 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 2 0 HTC 650RX 0 Machine description 3 1 2 0 Machine description General machine description HTC 650 RXIs 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 mat
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