Operating instructions - Harnisch+Rieth GmbH+Co.KG
Contents
1. a N Harnisch Rieth Ww 0 Vv H I N Operating instructions Machine designation Manual blasting unit Machine type D H 22S Machine nos Rakete Keep for future reference Maschinenbau Werkzeuge aborger te Hausanschrift Harnisch Rieth GmbH amp Co KG K ferstr 14 16 D 73650 Winterbach Telefon 49 7181 96 78 0 Telefax 49 7181 7 3139 49 7181 96 78 17 E mail info hr dental de http www hr dental de Dear customer Thank you for the confidence you have placed in us by purchasing this manual blasting unit For this unit to be of service to you for many years to come please take the time to read these operating instructions carefully especially before using the unit for the first time Contents 1 Safely 22 222 22ER ni Aaa eet es 2 Tal antended US Enisi a oa a a ee 2 1 2 Possible dangos erase r a a a a renee 2 1 3 Approved operatorS eserita unran ninnau einean TAa Aaen ie NEESS 2 1 4 Safety measures at site of operation seseeeseeeeeereeeeereerreerrsere 2 1 5 Marking of safety references contained in these instructions 3 2 Initial setting into operation nnnnnsnsnnnnnnnnnnnnnnennnnnnnnnnnnnnnennnnnnnennnnnnnennnnnn 3 2 1 Technicaldata neeaaea era aaea a eaaa a asa daad iaaa aaar nes 3 2 2 Unpacking the manual blasting unit eeeeeeeeeeeeeeseeeeeerreeerrserrrrserenns 4 Identification and description of the unit2. After changing the filter bags 14 approx ten times you should also take out the ultra fine filter 7 and clean it dry or change it for a new one We can also clean the ultra fine filter 7 for you in exchange for anew one We would be only too pleased to exchange your fine particle filters in order to clean them whereby only type checked filters compliant with dust class M DIN 60335 are employed Open the door to the filter compartment 4 by screwing out the two star grips 11 Press the plastic connection 41 from the nozzle 40 using both hands Pull out the filter bag with the wire basket 48 Loosen the two nuts 43 and lift out the strip 17 with the long holes Take out the ultra fine filter 7 The sealing surfaces 49 and the suction compartment 47 should be kept free of dust as it can possibly cause damages to the suction motor 46 Filter compartment 51 suction compartment 47 as well as sealing surfaces 49 should be vacuum cleaned Insert new cleaned ultra fine filter 7 Place strip 17 from above onto the threaded pins Tighten the two M6 nuts 43 securely and evenly Slide filter bag 14 inside the wire basket 48 into the unit and press the plastic connection 41 back onto the nozzle 40 using both hands Check filter unit see section 0 4 3 Cleaning the insert sieve residual embedding materials 1 2 3 See fig 1 page 5 Screw out knurled nut for in
3. Danger 12 See fig 2 page 6 The electrical oneumatic control system is located on the bottom side of the unit in the front floor compartment 33 Before opening the front floor compartments 33 switch off unit at main switch 12 and pull the mains supply plug Removing the 10 screws 34 opens the front floor compartment D H 22 S 18 12 2012 Vers 2 from serial no 2124561 8 Warranty conditions This device corresponds to current safety regulations and was comprehensively tested before it left the factory We confer a 12 month guarantee to you and oblige ourselves during this time to conduct all repairs due to material or manufacturing errors free of cost Restrictions of the guarantee 1 The guarantee expires if repairs are not carried out by us or a specialized commercial workshop 2 If replacements are made due to the guarantee no prolongation of the initial guarantee period shall follow 3 Erroneous installation e g non compliance to the valid VDE regulations or the written instructions 4 Inappropriate operation or demands made on the device 5 External effects e g damages incurred during transit damage from impacts damages from weathering or other natural phenomena 6 Repairs and alterations made by an unauthorized third party 7 Failures of the device due to an adaptation or modification are not regarded under any circumstances as material or production errors This guarantee
4. components u 444 een 4 2 3 Initial setting into operation procedure 20u0sunnssnennnnnnnennnnnnn 7 3 Op ration imece arae BER AIR ERBE cence Aaaa teaa aaaea e aaaea aeaea aeiaai 7 3 1 Connecting the blasting unit to the compressed air supply 7 3 2 Basting agem zn techniker 8 Checking the filter unit 240444440444nBnnnnnnnnnnnnnnnnnnnnnnnennnnnnnnnnnnnann 8 3 3 Automatic deactivation device and filter control lamp 9 4 Cleaning maintenance nuuunsnussnsnnnnennnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnsnnnnnnnnnnnnnn 9 4 1 Exchanging the filter bag 24444444Hnnnnennnnnnnennnnnnnennnnnnnennn nn 9 4 2 Cleaning exchanging the ultra fine filter en 10 4 3 Cleaning the insert sieve residual embedding materials 10 4 4 Letting out blasting agent uursss4suennsnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnnnn 10 4 5 Checking the injector as blasting performance decreases 11 5 Blasting chamber illumination 24 V uursusnsasssnnnnnnnnnnnnnnnnnnnnnnnnnnn 12 6 Electrical fuse protection numnnesnnnnnnennnnnnnnnnnnnnnnennnnnnnennnnnnnennnnnnnennn nun 12 7 Accessing the electrical pneumatic control system eeee 12 8 Warranty conditions uuessesnnneennnnnnennnnnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nenn 13 9 EC declaration of conformity uuuuse
5. the door to the filter compartment 4 by screwing off the two star grips 11 Make sure that the ultra fine filter 7 is not damaged and that it is properly i e tightly pressed by strip 17 against the sealing surfaces 49 3 The two M6 nuts 43 should be tightened securely and evenly 4 Make sure that the filter bag 14 was not damaged while being inserted into the wire basket 48 The plastic connection 41 of the filter bag should be fastened securely to the connection nozzle 40 Close the door tightly to the filter compartment 4 by tightening the star grips fairly securely D H 22 S 18 12 2012 Vers 2 from serial no 2124561 3 3 Automatic deactivation device and filter control lamp Note Note Note See fig 3 page 7 The max admissible filter bag 14 quantity being reached actuates the deactivation device via a vacuum switch and the control lamp Change filter 9 lights up The suction device is switched off Filter bag 14 must then be replaced See section 4 1 If the unit is switched off by the automatic deactivation device then you can still work with it for a short while without having to change the filter bag by first switching the unit off and on again and by tapping the filter bag 14 If the filter bag 14 is only slightly filled when the deactivation device is actuated Change filter display lights up then you should check the ultra fine filter 7
6. does not cover either the costs of such adaptations or modifications or the replacement of the damage arising from them 8 Normal wear such as that of the waterjet nozzles waterjet tubes including the handpiece and the connector nut the glass pane brushes and illumination or damage due to erroneous operation do not fall under the guarantee In order to be able to offer a comprehensive service to you we ask that you return the guarantee form inserted at the start of this instruction manual by fax or mail in a windowed envelope Fax no 0 71 81 73 13 9 Copy Guarantee return form Maschinenbau Harnisch Rieth GmbH amp Co Postfach 1260 D 73644 Winterbach 9 EC declaration of conformity In the meaning of the EC Machine Directive 2006 42 EG We herewith declare that due to its design the machine specified below is in conformity with the basic safety and health requirements of the EC directives In the event of modifications of the machine not approved by us this certificate looses its validity Name of the manufacturer Harnisch Rieth Address ofthe manufacturer K ferstra e 14 16 73650 Winterbach Machine designation Manual blasting unit Machine type D H22S The following pertinent EC directives were applied EC machine directive 2006 42 EG 29 12 2009 EC low voltage directive 2006 95 EG 29 12 2007 EMC directive 2004 108 EG 20 07 2007 F
7. g with corrosive or inflammable potentially explosive atmospheres 1 3 Approved operators The operator of the machine should make sure that the operating instructions are accessible to the operating personnel The operator should make sure that they have been read and fully understood by the operating personnel Only then should they be allowed to operate the machine 1 4 Safety measures at site of operation The installation surface should be flat and stable according to the weight of the manual blasting unit D H 22 S 18 12 2012 Vers 2 from serial no 2124561 Make sure by endorsing appropriated corporate instructions and control mechanisms that the pin drilling workplace always complies with the pertinent accident prevention regulations Foreign bodies should not be inserted through the ventilation openings of the unit 1 5 Marking of safety references contained in these instructions Note Caution Refers to tips and other particularly helpful pieces of information Refers to particular ways of operation or handling the non adherence of which can lead to malfunctioning damages or other kinds of trouble Danger 2 Initial setting into operation 2 1 Technical data Machine designation Machine type Overall dimensions Electrical connection Overvoltage category Compressed air connection Power consumption Sound pressure level Fine particle filter quality Electrical fuse protection Blasting c
8. hamber illumination Compressed air capacity Weight D H 22 S 18 12 2012 Vers 2 from serial no 2124561 Refers to dangerous situations in which injuries can occur Manual blasting unit D H22S Width 450 mm with plug for foot switch Depth 485 mm with control knob for working pressure Height 600 mm 230 volts 50 Hz Il max 10 bar approx 410 watts 58 dB A min air capacity 68 dB A max air capacity dust class M DIN EN 60335 2x 2 5 A T LED 7 Watt 24 V max approx 200 l min approx 35 kg 2 2 Unpacking the manual blasting unit See fig 2 page 6 1 Take off top box lid 2 Open the box from above and remove the packing material 3 The unit must be lifted out of the carton by 2 people approx 35 kg 4 Check the accessories Documentation Mains connection Cable ussunnsssnnnnnnnnnnnnnnnnennnnnnnnnnn no 35 028 Foot switch with cable and plug cceeseeeeeeneeeeeesneeeeeeeneeeeeeaas no 67 010 2m PVC fabric hose blue 8 2 x 6 withinsert sleeve for quick action coupling and swivel NUL ce rn ene TEETE EEEE EEEE no 72 350 Identification and description of the unit components See figures 1 and 3 on pages 5 and 7 The D H 22 S manual blasting unit can be operated with all standard laboratory polish blasting media and special fused alumina The pressure regulator 6 adapts the blasting force to the situat
9. ion at hand The unit is equipped with an automatic blasting agent circulation and a motor driven blower suction unit The ultra fine filter insert 7 guarantees dust free working conditions in which the resulting dust is collected in disposable filter bags 14 Front flap 4 Door filter cae 5 Manometer for Working pressure Pressure regulator for Sing pressure g insertsieve sieve 9 Change filter display 10 Knurled nut for insert sieve Narrisch Rie pe 4 FRR D H22s a Fee Fig 1 Identification of the unit components D H 22 S 18 12 2012 Vers 2 from serial no 2124561 Maschhen Typ I Maschinen Hr Baujahr Fe Fig 2 Identification of the unit components Socket for foot switch Blasting chamber illumination LED 24 V alinsertsieve 2 19 injector holder Suction basket 15 Mains connection socket 33 Front floor compartment 10 screws for front floor compartment D H 22 S 18 12 2012 Vers 2 from serial no 2124561 Fig 3 Identification of the unit components 8 Change titer display eltern O 18 Blasting chamber illumina
10. ly max 10 bar Caution The compressed air used must be free of humidity and oil In order to maintain trouble free working conditions you should connect a water separator directly in series or at a max distance of 1m to the unit D H 22 S 18 12 2012 Vers 2 from serial no 2124561 3 2 Blasting agents Caution Note Caution See fig 1 page 5 At works the unit is design for the following blasting agents Type of blasting agent Blasting agent class Polish blasting medium Al oxide cl 60 B 120 um EW 60 250 um EW 80 180 um Special fused alumina cl 150A 150 um The unit is designed for the use of HARNISCH RIETH blasting agents We do not grant guarantee for malfunctioning or damages which result from the use of other kinds of blasting agents Open front flap 2 Loosen knurled nut for insert sieve 10 Pull out insert sieve 8 by so that you can check the level of the blasting agents more easily Fill with blasting agent until it is approx 4 cm below the insert sieve 8 To avoid malfunctioning make sure that there are no dirt particles contained in the blasting agent Insert sieve 8 and slightly tighten by hand with knurled nut 10 Checking the filter unit Caution See figures 1 and 3 on pages 5 and 7 The D H 22 S manual blasting unit should only be operated with the ultra fine filter 7 and filter bag 14 properly inserted and free of damages Open
11. nnsnennnnnennnnnnnnnnnnnnnnnnnnnannnnnnnnnnnnnnnnnn 14 D H 22 S 18 12 2012 Vers 2 from serial no 2124561 1 Safety 1 1 Intended use The D H 22 S manual blasting unit is intended for use in dental laboratories for removing the residuals of embedding materials and oxides on cast components after their being unbedded for leveling and smoothing of cast component surfaces and for polishing Unauthorized modifications and additions are not permitted for safety reasons The conditions for operating maintaining and cleaning the unit as described in these operating instructions must be strictly adhered to Caution The device is not designed to be used as a medical device Application on humans is not permissible 1 2 Possible dangers The D H 22 S manual blasting unit is safe when used as intended However when not used properly or with care its use can lead to injuries of eyes or skin due to the sand blast leaving the injector If the front flap is open you should not activate the removable injector Potential ignition sources should not be suctioned Before maintenance work and cleaning the unit should be switched off and disconnected from the mains supply i e the mains plug should be pulled Before accessing any of the incorporated electric components the unit should be disconnected from the mains supply Danger The device is not suitable for use in rooms within which special conditions prevail e
12. ollowing harmonizing standards were applied DIN EN ISO 12100 Safety of Machinery Part 1 General Principles of Design 04 2004 DIN EN ISO 14121 1 Safety of Machinery Principles of Risk Assessment 12 2007 DIN EN 61 010 1 Safety regulations for measuring control regulating and laboratory devices DIN EN 60204 1 Safety of machinery Electrical equipment of machines 06 2007 DIN EN 61000 6 3 Radio Suppression of Electrical Equipment Radio Interference Voltage Interference Power 09 2007 DIN EN 55 014 Interference suppression of electrical apparatus and installations DIN EN 55 104 Electromagnetic compatibility noise resistance requirements category The following national technical specifications were applied DIN EN 60335 2 69 device for removing health hazardous dusts with returning of clean air to working rooms A technical documentation is available The operation instructions belonging to the machine are also available Director of the Quality Control Department Winterbach 4 January 2010
13. see section 4 2 4 Cleaning maintenance Note See figures 1 and 3 on pages 5 and 7 If the unit is switched off by the automatic de activation device then you can continue for a while without having to exchange the filter bag 14 by switching the unit off and on again and then by knocking the filter bag To knock the filter bag 14 open the door to the filter compartment 4 by screwing off the two star grips 11 4 1 Exchanging the filter bag 2 3 4 Caution Note 5 Note D H 22 S 18 12 2012 Vers 2 from serial no 2124561 See figures 1 and 3 on pages 5 and 7 Open the door to the filter compartment 4 by screwing off the two star grips 11 Press the plastic connection 41 off of the nozzle 40 using both hands Seal filter bag 14 with attached plastic cap 42 Take the filter bag 14 in the wire basket 48 to the waste disposal In no case should you empty and re use the disposable paper filter bag as this irrespective of the possible damages to the operator s health causes the unit to malfunction Do not use compressed air to eliminate residual dust from the filter compartment 51 Insert new filter bag 14 tightly and check filter unit see section O See section 4 2 regarding details for changing the ultra fine filter 4 2 Cleaning exchanging the ultra fine filter Note _ Ore Pe G0 Caution 2 0 I 10 See figures 1 and 3 on pages 5 and 7
14. sert sieve 10 Pull out and clean insert sieve 8 After re assembling insert sleeve tighten knurled nut securely by hand 4 4 Letting out blasting agent Note 10 See fig 1 page 5 Position the unit with sand letting out opening onto the edge of the table Let out blasting agent by taking off the sand outlet lid 13 While doing so it is also advisable to take out and clean the insert sieve 8 see section 4 3 D H 22 S 18 12 2012 Vers 2 from serial no 2124561 4 5 Checking the injector as blasting performance decreases See figures 2 and 4 on pages 6 and 14 As the blasting performance of the unit decreases you should check the injector 20 and or the blasting nozzle 22 as well as the suction basket 31 as follows 1 Switch off the unit at the main switch 12 and pull the mains plug Unhinge the injector holder 19 and take it out of the blasting chamber Detach spring plug 21 laterally e O N Pull out blasting nozzle 22 by turning it and by applying counter force to the injector casing 20 5 Check whether foreign matter is located in the nozzle bore and if necessary remove it 6 Worn out jets 22 diameter larger than 4 5 mm should be removed see fig 4 page 14 7 injector needle 23 should be level with the edge of the injector casing 24 If due to wear and tear the injector needle has shortened by more than 1 5 mm then you should replace the injector Remo
15. tion 47 Suction compartment LED 7 Watt 24 V Injector holder Wire basket 31 Suction basket Front floor compartment Filter compartment 34 10 screws for floor compartment D H 22 S 18 12 2012 Vers 2 from serial no 2124561 2 3 Initial setting into operation procedure See figures 1 and 2 on pages 5 and 6 1 Connect unit to compressed air supply see section 3 1 Fill with blasting agent see section 3 2 Connect foot switch to socket 1 located during transport in blasting chamber BP DN Establish connection to mains supply 230 V 50 Hz using the mains supply connection cable delivered with the unit socket 15 on Check the filter unit see section O 6 Actuate main switch 12 Note Switching the unit on at the main switch renders it electrically ready for operation 7 Suction is activated Internal illumination lights up 8 Adjust working pressure blasting pressure at pressure regulator 6 to desired value The working pressure is controlled by manometer 5 Note The working pressure should not be set to more than 5 bar 9 The sanding jet exits the injector is released by actuating the foot switch 3 Operation 3 1 Connecting the blasting unit to the compressed air supply See fig 2 page 6 1 Connect the fabric hose delivered with the unit to the compressed air connection 16 2 Connect insert sleeve for rapid action coupling to compressed air supp
16. ve screw 25 seal air hose 27 and take out the injector together with the blasting agent suction hose 26 8 Check the suction basket 31 in the lower part of the sand basin for dirt particles and if necessary clean it for further details see Letting out blasting agent section 4 4 N Injector holder Injector casing iW f Spring plug Blasting nozzle B Injector needle 24 Injector edge Cc n Blasting agent suction hose J 27 Air hose SL Diameter greater than 45 mm exchange blasting nozzle Fig 4 Disassembling the injector D H 22 S 18 12 2012 Vers 2 from serial no 2124561 11 5 Blasting chamber illumination 24 V Note See fig 3 page 7 The blasting chamber illumination 18 is operated with a safety low voltage of 24 volts When exchanging the tubular lamp press both contacts holder slightly apart Before inserting a new tubular lamp press both contacts holder slightly together to fasten the lamp securely 6 Electrical fuse protection See fig 2 page 6 The fuse for feeble currents 2 5 A T 50 for the transformer is located on the bottom side of the unit blasting chamber illumination automatic deactivation device The two main fuses 0 315 A T are built into the mains connection socket 15 7 Accessing the electrical pneumatic control system
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