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Maintenance and repairs

HTC 800 RX

2.0

Maintenance and repairs

5.1

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.

Warning!

During electro-welding work on the machine, the radio receiver must always be
disconnected to avoid damage to the receiver's electrical system.

5.2

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.

•

Vacuum clean the electrical cabinet, if required.

•

Always clean the machine after use with a damp sponge or cloth.

5.3

Charging the machine's battery

Warning!

Do not expose the battery to naked flames since this could cause an explosion.

The battery that drives the motors for the machine's drive wheel is charged continuously
as long as the machine is connect to the mains.

5.4

Charging/replacing the radio control unit's batteries

Warning!

Do not expose the batteries to naked flames since this could cause an explosion.

Содержание 800 RX

Страница 1: ...HTC 800 RX MANUAL GB Translation of manual in original language ...

Страница 2: ...HTC 800 RX ...

Страница 3: ...rs 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 2011 HTC Sweden AB All rights reserved ...

Страница 4: ...12 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 2012 The technical documentation is available from the manufacturer Original of the EC declaration of conformity Swedish Other languages are translation...

Страница 5: ...1 6 Unpacking the machine 3 1 7 Machine name plate 4 1 8 Handling and storage 4 1 9 Vibration and noise 5 1 9 1 Hand and arm vibrations 5 1 9 2 Sound pressure and sound power level 5 2 Safety 6 2 1 General Information 6 2 2 Warnings 6 2 3 Notes 7 3 Machine description 9 3 1 General machine description 9 3 2 Description of controls Control panel 12 3 3 Description of controls Radio control unit 13 ...

Страница 6: ...a the control panel 26 4 11 1 Standby 27 4 11 2 Emergency stop switch 27 4 11 3 Start the machine Manual driving 27 4 11 4 Overload 28 4 12 Manoeuvring via the radio control panel 28 4 12 1 Standby 29 4 12 2 Start the Machine Radio Control 29 4 12 3 Stop the machine Radio control 30 4 12 4 Changing the radio frequency 30 4 12 5 Interrupted radio communication 31 4 13 Making operation easier 31 5 M...

Страница 7: ... 5 The machine stops manual operation 35 6 6 The machine stops radio control 35 6 7 The fuses trip frequently 36 6 8 The machine cannot cope 36 7 Electronic error codes 37 7 1 General Information 37 7 2 Schneider Electric ATV312 37 7 2 1 Resetting the frequency converter 38 7 2 2 Checking the last error code 38 8 Technical data 39 9 Environment 42 10 Warranty and CE marking 43 10 1 Warranty 43 10 ...

Страница 8: ...Table of contents HTC 800 RX iv ...

Страница 9: ...sibility 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 1 3 ...

Страница 10: ...d read through the text to make your work easier and to extend the service life of the machine 1 4 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 Always make sure that t...

Страница 11: ...livery The following items are included in the delivery Contact your retailer if anything is missing Grinding machine Manual Locking key for control cabinet Start key Hammer EZ system Support wheel for transport The radio control unit 1 6 Unpacking the machine Warning Read through the safety instructions and the manual carefully before use Check carefully to see if the packaging or machine has bee...

Страница 12: ...Year of manufacture 5 Power kW 6 Voltage V 7 Current A 8 Frequency Hz 9 Rotational speed r p m 10 Weight kg 11 Address field 1 8 Handling and storage The machine should be stored in a heated dry area when not in use Otherwise it may be damaged by condensation and cold When lifting the grinder lifting straps must be used These must be attached well secured in the lifting eyes provided position 4 Fi...

Страница 13: ...most frequent vibration exposures At vibration levels 2 5 m s the exposure time should be limited in accordance with the table below For vibration levels 5 m s immediate measures must 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 polishi...

Страница 14: ...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 safety equipment such as safety shoes safety glasses protective gloves respiratory protection and hearing protection Warning Always make sure that a dust extractor is connected to the grinder during dry grinding to prevent exposing as f...

Страница 15: ...lements and damage the machine s drive system Warning The operator must never leave the machine unattended Warning When working on an elevated surface where there is a risk of falling the edges of the surface must be secured The values for the machine s thrust and load capacity as well as the driving speed are given in the table for the machine s technical data in the chapter Technical Data 2 3 No...

Страница 16: ...re information 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 ou...

Страница 17: ...eight 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 machine s grinding head is covered by a floating grinding cover to guarantee that the operator will not come into contact w...

Страница 18: ...e front of the machine 1 Handle 2 Handle lock 3 Water tank 4 Lifting eye 5 Motor 6 Weights grinding pressure 7 Mouthpiece Mist Cooler 8 Floating grinding cover outer moveable section 9 Floating grinding cover inner fixed section 10 Water tap Mist Cooler ...

Страница 19: ...ear 1 Control panel 2 Electrical connection 3 Extraction connection 4 Hour counter 5 Mist Cooler On Off 6 Control cabinet 7 Drive motor box 8 Locking pin Driving 9 Water tap wet spraying 10 Locking pin weights grinding pressure 11 Support wheel used during transport ...

Страница 20: ...turned to the right On 5 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 7 Start Stop Start stop the grinding discs rotation Turn the knob to Start to start the rotatio...

Страница 21: ...ton Push the button to change the frequency of the radio control 3 GRINDING SPEED 0 100 Grinding speed Regulates the rotational speed of the machine s grinding discs 4 ON STOP 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 Br...

Страница 22: ...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 plac...

Страница 23: ...ons 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 hearing protection Warning Only start the ...

Страница 24: ...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 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 ...

Страница 25: ...orward 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 Locking the wheels 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 dri...

Страница 26: ...ng the support wheel The support wheel is used to make it easy to move the grinder It is fitted at the front on the grinder s chassis next to the grinding head The support wheel is secured to the chassis by pushing the pin through the hole in the support wheel s construction and the chassis front frame according to Figure 4 5 page 19 Make sure the pin goes down and locks properly Rotate the crank ...

Страница 27: ...vity 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 Pull each pin out and lock in the extracted position by turning in the direction of the arrow see Figure 4 6 page 20 Tip We recommend that the weights are folded up during grinding since if the grinding pressure is too high and the tool is ...

Страница 28: ... weights are lowered forwards see Figure 4 6 page 20 Figure 4 6 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 7 page 20 Figure 4 7 Weights in the up position When changing tools and when using tools with a high removal rate T Rex the weights should be folded back see Figure 4 8 page 20 Figure ...

Страница 29: ...ls Warning Disconnect the electrical supply when cleaning 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 9 page 21 Figure 4 9 Foot on weight 3 Tip the machine backwards carefully until the weights reach the floor see Figure 4 10 page 21 Figure 4 10 Weights on the f...

Страница 30: ...ply when cleaning 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...

Страница 31: ...nto 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 Lock the grinding tool into the tool holder by giving it a few light taps with a rubber hammer see Figure 4 13 page 23 Figure 4 13 Locking grinding tools ...

Страница 32: ... page 24 Then draw the tool up out of the guide slot Figure 4 14 Removing grinding tools 2 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 3 Lock the grinding tool into the tool holder by giving it a few light taps with a rubber hammer see Figure 4 13 page 23 ...

Страница 33: ...stem for effective cooling of the grinding tools The system involves dispersing a very finely divided water mist onto the floor surface through a mouthpiece This cools the tools and makes grinding more effective 1 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 Note The dust extractor s suction hose m...

Страница 34: ... 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 Fill the tank with cold water 6 Turn the tap on the left side of the machine to the open position position 9 Figure 3 2 page 11 7 Turn the tap...

Страница 35: ...pan 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 4 11 3 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...

Страница 36: ...en 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 th...

Страница 37: ...ated 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 3 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 T...

Страница 38: ... the radio frequency if there is other equipment used in the workplace that causes interference with the radio communication Change the frequency by doing the following 1 Stop the machine for how this is done see under Stop the machine Radio control page 30 2 Press and hold in the button to start radio communication 3 Press on the frequency button FREQ The machine s radio receiver automatically se...

Страница 39: ...low the instructions under Start the Machine Radio Control page 29 4 13 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 Figure 4 15 Making operation easier Tip By arranging the hose and cable as shown in the picture you avoid disru...

Страница 40: ...ctrical system 5 2 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 Vacuum clean the electrical cabinet if required Always clean the machine after use with a damp sponge or cloth 5 3 Charging the machine s battery Warning Do not expose the battery to naked flames since this could cause ...

Страница 41: ...e Mist Cooler system Check for wear to the grinding tools 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 5 6 Every week Wash the machine Check the grinding holders Remove the tools and ...

Страница 42: ...ust cover 5 8 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 5 9 Spare parts To ensure rapid delivery of spare parts always specify the model the mach...

Страница 43: ...re 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 Check the belts replace if necessary Check the condition of the grinding holders If the grinder holders need reconditioning contact HTC for information about spare parts 6 4 The machine is grinding at an angle Recondition the grinding ...

Страница 44: ...Check the tools Ensure that the correct tools are used that they are in working order and that they are correctly fitted 6 8 The machine cannot cope Heavy load Press the handle down slightly so that the grinding head eases slightly away from the surface being ground 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 re...

Страница 45: ...he grinding discs OHF Overheating Open the control cabinet and ventilate Check the filter and the cooling fans in the cabinet Let the frequency converter cool down before restarting IFx EEF Internal error Contact HTC Service Centre SCF Short circuit or earth fault involving the motor Check the motor s cables and connections tnF Auto tuning fault Check the motor s cables and connections OLF Overloa...

Страница 46: ...if the control ON STOP is in the ON mode when switching on the power 7 2 2 Checking the last error code For the buttons and knobs described here see Figure 7 1 page 38 1 Press Enter rEF is shown in the display 2 Turn the knob counter clockwise until SUP is shown in the display 3 Press Enter FrH is shown in the display 4 Turn the knob counter clockwise until LFt is shown in the display 5 Press Ente...

Страница 47: ...0 in 4x10 6 Rotational speed grinding discs rpm 458 1374 rpm 458 1374 Motor power kW 15 HP 20 Voltage V 3x380 415 V 3x440 480 Current A 32 A 32 Frequency Hz 50 Hz 60 LEDs V 24 V 24 Control current V 24 V 24 Recommended minimum cable area mm 6 in 0 0093 Water tank l 26 gal 6 9 Storage temperature C 30 50 F 22 122 Working temperature C 5 40 F 23 104 Humidity 5 90 5 90 Sound pressure level according ...

Страница 48: ...X US MIST Permitted daily exposure Floor preparation T Rex h 14 6 h 14 6 Thrust Load Capacity N 1500 N 1500 Driving speed m s 0 2 ft s 0 66 Transmitter frequency MHz 433 100 434 750 MHz 433 100 434 750 Transmitter power mW 10 mW 10 Figure 8 1 The grinder s width ...

Страница 49: ...HTC 800 RX Technical data 2 0 41 Figure 8 2 The grinder s length and height in different handle positions ...

Страница 50: ...Grinding head Lower cover Aluminium Metal recycling Cover Plastic ABS Plastic recycling Combustible External plate and steel components Electro galvanised steel Metal recycling Other components Steel Metal recycling Electrical system Cables Copper conductors with Neoprene and PVC coating Waste cable Motor Metal Steel aluminium and copper Electronic waste Control cabinet Stainless steel and sheet m...

Страница 51: ...g warranty terms please contact your retailer 10 2 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 mar...

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