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HTC 270 EG, Manual

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Usage

HTC 270 EG

22

2.0

5. Connect a water hose to the intended connection and turn on the desired water

flow, see Figure 4-7, page 

22

.

Figure  4-7. Connecting water

Warning!

The grinding head must not be loaded with any other weights in addition to the
intended extra weights. Do not under any circumstances stand on the grinding
head. Too high a loading can cause the grinding head to fail.

4.8

Operation

The machine's functions can be controlled using the control panel - see section
Description of controls – Control panel, page 

11

.

During operation, the operator pushes the grinder forwards over the floor surface.

4.8.1

Standby

To activate the machine's functions, turn the Power knob to "I". Once the knob set to
this position, the Power indicator on the control panel lights up, indicating that the
machine is in standby mode.

Summary of Contents for 270 EG

Page 1: ...HTC 270 EG MANUAL GB Translation of manual in original language...

Page 2: ...HTC 270 EG...

Page 3: ...s 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...

Page 4: ...1 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 206...

Page 5: ...2 1 5 On delivery 2 1 6 Unpacking the machine 3 1 7 Machine name plate 3 1 8 Handling and storage 4 1 9 Vibration and noise 4 1 9 1 Hand and arm vibrations 4 1 9 2 Sound power level 4 2 Safety 5 2 1 G...

Page 6: ...ad 24 4 9 1 Adjustment of grinding head against walls 24 4 9 2 Setting the grinding head position 24 4 9 3 Adjusting the machine before and during grinding 26 4 10 Transportation 29 5 Maintenance and...

Page 7: ...c ATV12 36 7 2 1 Resetting the frequency converter 36 7 2 2 Checking the last error code 37 7 3 Schneider Electric ATV312 37 7 3 1 Resetting the frequency converter 38 7 3 2 Checking the last error co...

Page 8: ...Table of contents HTC 270 EG iv...

Page 9: ...approval of HTC 1 3 Manual In addition to the general functions this manual deals with the areas of application and the maintenance of the grinder 1 3 1 Safety Instructions Explanation of Symbols A n...

Page 10: ...damaged while it is secured make sure that a spacing block is placed as support see Transportation page 29 Make sure that the securing straps or other equipment used for anchoring during transport are...

Page 11: ...k that the delivery matches the order If there are any discrepancies contact your retailer When lifting the grinder lifting straps must be used These must be attached well secured in the lifting eyes...

Page 12: ...ent approved in accordance with ISO 5349 1 2001 Measurement uncertainty for the measuring equipment is given as 2 The machine has been tested in accordance with ISO 5349 2 2001 and ISO 20643 2005 in o...

Page 13: ...tre 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 glov...

Page 14: ...addition to the intended extra weights Do not under any circumstances stand on the grinding head Too high a loading can cause the grinding head to fail Warning When using tools with few points of cont...

Page 15: ...t least two hours before use Note When dry grinding a suitable dust extractor should be used For available models of dust extractors go to HTC s website www htc floorsystems com for more information N...

Page 16: ...water with no chemical additives Note During transport the machine must be secured for transport according to section Transportation page 29 Always place a spacing block under the grinding head during...

Page 17: ...g under radiators shelves or other projecting furnishings The machine has adjustment options and functions for easily obtaining the best possible grinding result The machine can be easily equipped wit...

Page 18: ...for adjusting grinding head 9 Locking pin position grinding head 10 Rotatable floating grinding cover Figure 3 2 The machine s rear 1 Connection for vacuum 2 Control panel 3 Locking handle position 4...

Page 19: ...the motor will be interrupted and an error code generated 3 REW Rewind Turn the Grinding knob 5 to REW to start the machine s grinding disc 4 FWD Forward Turn the Grinding knob 5 to FWD to start the...

Page 20: ...G 12 2 0 3 3 Lifting the machine When lifting the machine lifting straps are used that fasten in the lifting eyes on the chassis see Figure 3 4 page 12 Only use straps approved for lifting equipment F...

Page 21: ...hine 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 safety equipmen...

Page 22: ...position for handling the machine during grinding where a better view and precision are required 2 Vertical position used for tipping the machine to make changing the tools easier 3 Rear position the...

Page 23: ...olds forward position 4 3 Access to grinding tools 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 th...

Page 24: ...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 When using tools with...

Page 25: ...HTC 270 EG Usage 2 0 17 4 4 1 Fitting grinding tools...

Page 26: ...riate guide slot on the tool holder Then push the tool fully into the guide slot see Figure 4 3 page 18 Figure 4 3 Fitting grinding tools 2 Lock the grinding tool into the tool holder by giving it a f...

Page 27: ...ng tools 2 Slide the grinding tool diagonally from above down into the appropriate guide slot on the tool holder see Figure 4 3 page 18 Then push the tool fully into the guide slot 3 Lock the grinding...

Page 28: ...fitted to the motor Figure 4 6 Fitting extra weights 1 Attach the enclosed ring position 1 Figure 4 6 page 20 by threading it over the motor 2 Screw the ring securely into place using the enclosed scr...

Page 29: ...hine 4 Set the handle to the required working position Warning The grinding head must not be loaded with any other weights in addition to the intended extra weights Do not under any circumstances stan...

Page 30: ...d on the grinding head Too high a loading can cause the grinding head to fail 4 8 Operation The machine s functions can be controlled using the control panel see section Description of controls Contro...

Page 31: ...e For a description of the control panel see section Description of controls Control panel page 11 1 Connect the electricity supply by plugging in the plug 2 Make sure the emergency stop switch is res...

Page 32: ...position by turning the knob on top of the wheel see Figure 4 8 page 24 Check the distance to the wall before you start grinding so there is no risk that the grinding disc or tool will collide with t...

Page 33: ...HTC 270 EG Usage 2 0 25 1 Pull up the locking pin see Figure 4 9 page 25 and position 9 in Figure 3 1 page 9 Figure 4 9 Loosening locking pin for grinding head...

Page 34: ...head in the desired position 4 9 3 Adjusting the machine before and during grinding To obtain a good grinding result the machine s grinding head has to be adjusted so it is horizontal This is done as...

Page 35: ...HTC 270 EG Usage 2 0 27 4 Turn the adjustment wheel in Figure 4 11 page 27 until level A for right position or level B for left position is levelled Figure 4 11 Adjustment of grinding head in level 1...

Page 36: ...exactly according to point 4 above Tip During grinding the tools are worn and used up which affects the grinding head and the tool s angle to the floor For this reason to prevent a change in angle tha...

Page 37: ...t is horizontal Follow steps 4 to 7 in the instruction above to check and where necessary make adjustments so the grinding head is horizontal 4 10 Transportation During transport the machine must be s...

Page 38: ...rol cabinet if required Always clean the machine after use with a damp sponge or cloth 5 3 Daily Wash the machine if it has been used for wet grinding Check for wear to grinding tools abnormal or unev...

Page 39: ...rinding head so the belt is visible and can be checked see Figure 5 1 page 31 Figure 5 1 Inspection cover for belt 3 Check if the belt and the space in which it sits is dusty or otherwise dirty If the...

Page 40: ...ure 5 2 Checking belt tension Note The belt is a consumable part Its lifetime can vary depending on the operating conditions 5 5 Every month or 100 hours Check that all screws and joints are tightened...

Page 41: ...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 t...

Page 42: ...o Reset If this does not help reset the frequency converter according to the instructions in chapter Electronic error codes page 36 Check the error code in the converter see the error code table in ch...

Page 43: ...that they are correctly fitted 6 7 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...

Page 44: ...ency converter cool down before restarting InF 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 tuni...

Page 45: ...ckwise until dP1 is shown in the display 7 Press Enter The last error code is shown in the display Figure 7 1 Enter button and knob Schneider 7 3 Schneider Electric ATV312 Error code Cause Action OCF...

Page 46: ...d PHF Mains supply phase break Incorrect power supply to the frequency converter Check the fuses in the mains supply and the connection cable OPF Motor phase break Check the motor s cables and connect...

Page 47: ...y 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 Enter The la...

Page 48: ...Motor kW 2 2 hp 2 9 2 9 Voltage W 1 x 230 W 1 x 230 3 x 460 Current A 13 A 13 5 Recommended minimum cable area mm 2 5 in 0 004 0 004 Frequency Hz 50 Hz 60 60 Rotational speed grinding discs rpm 455 12...

Page 49: ...HTC 270 EG Technical data 2 0 41 Figure 8 1 Height and length of the machine in millimetres...

Page 50: ...Technical data HTC 270 EG 42 2 0 Figure 8 2 Width of the machine in millimetres...

Page 51: ...HTC 270 EG Technical data 2 0 43 Figure 8 3 Working angles for the grinding head...

Page 52: ...Metal powder coated Belts Rubber and polyamide Support wheels Plastic PA Other plastic parts Plastic POM Other components Untreated steel Electrical system Cables Copper conductors with neoprene and P...

Page 53: ...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 t...

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