USER MANUAL - Wassermann Dental
Contents
1. 21 A WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 1 FEATURES This precision fine blasting unit of the WASSERMANN brand offers you the highest quality and most advanced technology This 2 chamber unit is perfect for blasting roughing as well as blasting with specially fused alumina The entire system is continiously under pressure and is therefore always ready for use The relation between air and the blasting medium is set at the factory It is determined by the size of the drillings However the discharge velocity can be varied by the built in pressure reducer The discharge velocity determines the outflowing amount of blasting media while the relation is kept optimal and constant Even when switching on the unit again you can use the quick start and quick stop function to begin blasting immediately This is possible due to the crushing valve at the conducting hose 2 FOR YOUR OWN SAFETY 2 1 Read the operating instructions carefully Handling and operation of this unit require detailed knowledge and attention as explained in these operating instructions This unit is designed only for the described purpose Especially important notes are marked as follows Warning This is a warning indicating risk and hazard situations Ignorance can cause danger to life These warnings must always be heeded il Information This2. 4 2 FOR YOUR OWN SAFELY eain kvuooo eo ve uo neas aua Poo 4 2 1 READ THE OPERATING INSTRUCTIONS CAREFULLY ecce eene eenenne nennen 4 2 2 SAFETY INSTRUCTIONS eeeeeeeene nnne een sess s nsi n eee eee 5 2 3 RELIABILITY FOR FUNCTIONALITY AND 5 5 3 APPLICATION tok ve ue eoe e ouo 6 3 1 UNPACKING TRANSPORT eeeeeeeee eee eene esee ese iens ns ni i ierit enne eene eene eene ein 6 3 2 INSTALLATION STORAGE ceeeeeeeee ee eene eeeee senes in ni aret eren enne nenne nennen 6 LEES IV 7 5 ASSEMBLY FOLLOW UP KIT e eene eee eene nnne eee ette eee 5 6 OPERATION E 12 6 1 OPERATION GR era ee nee Eee a 12 7 TROUBLESHOOTING REMEDIES 2222200200000000000000000000000000000000000nsnnnsnnnnnnnnnee 13 8 MAINTENANCE en 14 MEE GUI COD sand e se ch ra raa Eaa aa e iE 14 9 2 ASERVICING anene a 14 8 3 aaae ra e i eaa e ten a a REEE 18 84 a a EE 19 8 3 REPAIRS se 19 9 SPECIEICATIONNS cistiessssessscsacscccesveueseastelesvessessscistccsoosecasssbusesessesesteabsesossessesees 20 10 EC CONFORMITY
3. information refers to important features you have to consider 8 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 2 2 Safety instructions This unit is designed for AC 220 240 V 50 60 Hz only Make sure that the unit is always operated with the correct voltage e Disconnect the power plug before carrying out any service or repairs 2 3 Reliability for functionality and damages The reliability for the functionality of the unit depends on the owner or operator whether the unit will be serviced repaired or altered improperly by persons not belonging to an authorized service company or whether it is used for other than the described purpose The unit must be operated and serviced according to these operating instructions For damages incurred due to negligence of these notes Wassermann Dental Maschinen GmbH cannot be held responsible Warranty and reliability conditions of the terms of sale and delivery of the Wassermann Dental Maschinen GmbH are not extended by the above mentioned notes il Please keep these operating instructions in an easily accessible place and make sure they are read and understood 6 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 3 Application This 2 chamber blasting unit is designed for blasting roughing as well as blasting with specially fused alumina Only use the device for this type of application 3 1 Unpacking Transport Remove all packing mater
4. it buckle Through the work cabin remove the indicator window and take out the lamp In each case remove the appropriate connection plug by pressing down the ring of the plug screw joint at the same time pulling on the connection plug Figure 6 pulling down the connection plug Remove the appropriate connection plug screw joint dits WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor With the help of the PA hose 320023 connect the ball cock with the squeezing valve Fix the lamp back in and then the cover On the back remove the connection plug on the air current unit there also by pressing down the ring of the plug screw joint and at the same time pulling on the connection plug Tip try pressing the ring down with the assistance of a slotted screwdriver Figure 7 Remove the appropriate connection plug screw joint Pulling down the connection plug Figure 7 With the help of the PU hose 320054 connect the air current unit with the blasting material container Please take care that the blasting hoses run along under the sieve grille and that the blasting protector is mounted dis WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 6 Operation 6 1 Operation 1 Turn on main switch green toggle switch 2 Setthe working pressure at the desired level on the reducing valve at least 2 3 bar at most 6 bar 3 Designate
5. 90432 Spare protection sheet with special coating 511206 Spacer bush 8 5 Repairs All service and repair work should be referred to qualified service personnel only For replacement use only original WASSERMANN parts The product liability expires if any modifications or alterations have been made by others as well as if non original spare parts are used Die Basis f r Ihr Labor 20 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 9 Specifications 190896 Fine Blasting Unit GOBI 2 Power supply Power consumption 220 240 V 50 60 Hz 0 2A 50W Weight Container capacity Compressed air connection Overall dimensions Width 430 mm Height 350 mm Depth 530 mm 17 5 kg 800 ccm 1 2 kg 3 bar min 6 bar max The noise emission values of the fine blasting units is 270 dB A il Specifications and design are subject to change without notice ae WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 10 EC conformity certificate in accordance with 2006 95 EG low voltage guidelines and 2004 108 EG EMV guidelines and 98 37 EG machinery guidelines Manufacturer WASSERMANN Product description Laboratory fine Dental Maschinen GmbH blasting unit for Rudorffweg 15 17 dental applications D 21031 Hamburg Model GOBI 2 with 2 blasting material containers 190896 GOBI 3 with 3 blasting material containers GOBI 4 with 4 blasting material contai
6. USER MANUAL Fine Blasting Unit GOBI 2 Fig Gobi 2 C WASSERMANN DENTAL MASCHINEN GmbH idis WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor Dear customer Thank you for choosing a product from the Wassermann range Wassermann dental equipment incorporates the highest standards of quality and the latest technology In order to enjoy maximum performance and years of trouble free operation please read this instruction manual carefully before you connect this device and start work and operate the device according to the recommended guidelines The operation safety and the functionality of this device can only be guaranteed if you follow both the general safety guidelines and the applying laws to prevent accidents as well as the precautions given in this instruction manual We are not liable for any damages which occur due to inappropriate usage or faulty operation of this device il Make sure that anyone using this device has read and understood this instruction manual Keep this instruction manual in a safe place where it can be referred to as required at any time Company address Wassermann Dental Maschinen GmbH Rudorffweg 15 17 D 21031 Hamburg Germany Tel 49 0 40 730 926 0 Fax 49 0 40 730 37 24 E mail info wassermann dental com URL http www wassermann dental com WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor Contents 1 VUL UE
7. e Basis f r Ihr Labor WASSERMANN DENTAL MASCHINEN WASSERMANN Dental Maschinen GmbH Rudorffweg 15 17 D 21031 Hamburg Tel 49 0 40 730 926 0 Fax 49 0 40 730 37 24 e mail info wassermann dental com Internet http www wassermann dental com
8. he steel stylus left for the left hand add on tank yellow right for the right hand add on tank green Figure 1 On the left hand add on tank loosen the lower screw of the electro cover Only loosen do not remove Figure 2 Plug left u Plug right Figure 1 I WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor loosen screw do not remove Figure 2 Now you are ready to begin the following assembly tasks Screw the screws delivered with the add on tank loosely into position in the casing of the Gobi 2 Figures 3 and 4 Now hook in the add on tank onto the screw Please take special care to see that on all three of the hook in drillings the screw heads are flush The wing of the tank retaining plate must be pushed underneath the screw which is inserted in a sideways position Figure 5 FIGURES 4 dijs WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor The wing of the tank retaining plate must be pushed underneath the screw Figure 5 accessible screws are now to be screwed in tight Push the steel stylus into the work cabin through the hole in the casing Close the hole with the lead through grommet thereby fixing the steel stylus Take care to lay the steel hose with a slight curve and don t let
9. ial and place the unit on an even and stable surface Check the included accessories see 7 4 Before moving the unit please make sure that it is disconnected from the power Source To avoid unneccessary transport damages pay attention to proper packing when transporting the unit 3 2 Installation Storage Place the unit in a horizontal position Place the unit so that the work area is freely accessible and operation is not restricted Please consider the structural dimensions Do not place the unit outdoors n case of long term storage the unit must be protected against humidity and dust Prepare an electric and compressed air connection Furthermore an external dust extractor should be connected The connectors are accessible from the back The dust extractor should be connected to the power outlet at the back of the unit In this case the dust extractor switches on and off simultaneously with the fine blasting unit Attention Never connect to an oxygen bottle Risk of dust explosion 7 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 4 Starting i Before using the unit for the first time let it stand with open chambers until it has reached room temperature Itis absolutely necessary to switch the unit off before filling The chambers can first be screwed on when they are completely pressureless Press the red knob of the screwed on cover at the right side
10. lasting material Unscrew jet on the stylus Trigger blasting process Blasting material should flow If necessary briefly hold the hose closed to build up some counter pressure wrong selection of colour please switch to the correct circuit setting colour circuit setting Ss mo foo little pressurised air lt a Decreasing andlor to low ilter Blocked andlor E qoe pM d LLL il If the trouble persists please contact your dealer or our service department 14 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 8 Maintenance 8 1 Cleaning To ensure continuous and correct operation the unit must be cleaned regularly No chemicals are required for the cleaning Just clean the unit with a sponge or soft cloth and a mild cleaning agent The identification plate must always be kept in easily legible condition and must not be removed The inside of the chambers and the protection screens can be cleaned with compressed air Fine dust will be sucked out by the dust extractor Never use strong and abrasive solvents for cleaning the screens Coarse grained sand which cannot be sucked out by the dust extractor can be removed through the discharge opening 8 2 Servicing This unit does not require any special maintenance Just make sure that the device is kept clean However after using the unit a certain time it will be necessary to replace some parts Please take care of the followi
11. ners amp additional tank right Art Nr 190802 additional tank left Art Nr 190800 Applicable DIN EN 61010 1 2004 standards DIN EN 61000 6 3 2005 DIN EN 61000 6 1 2002 DIN 45635 1 1984 DIN EN 60335 1 2007 Hiermit wird best tigt dass die oben bezeichnete Maschine den genannten EG Richtlinien entspricht Diese Erkl rung wird ung ltig falls die Maschine ohne unsere Zustimmung ver ndert wird This is to confirm that the above mentioned machine complies with the described EC rules This declaration becomes invalid if the machine is modified without our approval Cette machine est conforme aux normes en vigueur de la Communit Europ ene Cet avis est nul et non avenant si cette machine est modifi e sans notre accord Esta m quina anteriormente mencionada cumple con los limites requeridos por el reglamento EC Ahora bien esta declaraci n quedar invalidada en caso de realizar modificaciones al aparato sin nuestra aprobaci n Hiermee wordt bevestigd dat bovengenoemde machine voldoet aan de voorgeschreven EU normen Deze verklaring verliest geldigheid als er zonder onze uitdrukkelijke toestemming wijzigen aan de machine worden aangebracht Place date Hamburg 20 07 2007 Company stamp Uf E d DENTAL ASO hamburg Signed Hu A nudot s ilfried Wassermann Managing Director 22 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor Notes WASSERMANN DENTAL MASCHINEN Di
12. ng parts 15 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 8 2 1 Grip Cuff Replacement Cuffs can also be replaced with gloves The procedure is the same Loosen the connector with pliers and unscrew the throughgrip 4 screws Pull off the old cuff and put on the new one so that it completely covers the opening Attach the new connector Take care that the closing of the connector is placed inside the notch of the opening Tighten the opening 8 2 2 Screen Replacement Open the flap and loosen the five knurled nuts Remove the guide rails Fold the screen to the front and pull it out Please take care of the spacer reels Replace the screens and reassemble everything in reverse order 16 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 8 2 3 Conducting Hose Replacement Before changing the mains plug must be disconnected and the pressurised air connection detached The pressure of all the tanks must be released cf Commissioning Take sieve unit out of the chamber Lay the appliance on its side so that you have access to the bottom of the appliance In order to detach from the tank the blasting material hose in question loosen the black nut with a no 17 spanner then take it and subsequently the hose too off Pull and or lever the silver handle on the squeezing valve with the other hand pulling the hose through the through put and into the interior Remove hose p
13. ponds to the size of the used blasting medium see Specifications The replacement is very easy Simply unscrew the old nozzle and screw on a new one Important Before setting up a new nozzle shortly operate the unit and blow away old blasting medium which may remain inside the hose 8 2 6 Protection Filter Replacement After some time of usage the filter inlet may become clogged This filter inlet is situated inside a brass case protection filter which is attached above the relief valve A hose runs from the protection filter to the distributor and from there separate hoses run to each container Lightly press down the plug fuse at the hose and remove the hose Unscrew the protection filter with a suitable tool from the relief valve Screw on the plug connection of the old protection filter to the new protection filter Screw on a new protection filter and mount the hose 18 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 8 2 7 Water Separator A water separator that absorbs any condensation coming out of the compressor is situated at the back of the unit It must be checked regularly and at the latest when the max level is reached it must be emptied To do this press the yellow discharge lever up so that the water can flow into the container you have placed under the unit Remarks Obstructions normally occur from soiled or lumply blasting medium If the sand draws moisture check
14. rotection In principle the installation takes place exactly in the reverse manner The hose is pushed from the interior of the chamber through the hole on the squeezing valve led through it again and pushed onto the nipple of the tank don t forget the nut and the plastic cap Before the nut is tightened the fabric must be completely pulled over the rubber Should this be difficult to achieve then push the fabric outwards from the stylus right to the end until enough fabric is available The nut can then be completely tightened not with force Don t overturn it The small hose is only to be pushed in up to the squeezing valve The hose should be sandwiched in between both of the styluses It serves as a protection for the blasting hose Put the appliance back in an upright position and re install the sieve grille Please take care that the blasting hoses run along under the sieve grille and that the hose protector is mounted ET WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 8 2 4 Lamp Replacement Before changing it you must pull out the mains plug The lamp is behind the indicator window Loosen knurled nuts and take off the indicator window Pull the lamp towards the right out of its socket and in re placing make sure that the new lamp fits correctly back into the socket put back the indicator window and tighten the screws 8 2 5 Nozzle Replacement Take care that the nozzle always corres
15. the blasting material container by using the selection switch built in in the work room If you do not possess any add on tanks then the green and yellow settings will not perform any functions Do NOT select them since this can lead to complications 4 According to the colour selected take the appropriate stylus in your hand 5 Trigger the blasting process with the foot control A Working is only allowed with the blasting chambers closed Please wear safety goggles il Due to the operating condition the amount of blasting media flow may change when the blasting media amount decreases By shortly tilting the unit it is possible to continue working for a short time However this is an indication that you have to refill blasting media il All recommendations given for the use of this unit regardless of whether given verbally in writing or in the form of practical instructions are based on our own experiences and tests and can only be considered as standard values 13 WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 7 Troubleshooting Remedies Symptom Trouble Possible cause Possiblesolution regular ow of Blasting flow of blasting too too little blasting material blasting material re the container m material is moist use sspe GE material of correct dryness no flow of ng container empty re illcontaner main and or steel hose Use recommended dry b
16. the condensator Most obstructions occur inside the nozzle To remove such obstructions unscrew the nozzle and clean it In general this would be sufficient to make the stuck grains come loose If the obstruction persists use a needle and push it through the hole 8 3 Warranty The warranty period for all our units is 12 months Should trouble occur during this time please inform your dealer or contact our service department Only use the blasting unit in perfect technical condition Should trouble occur which could endanger employees or third persons the unit must be inspected and repaired before it is used again Damage caused by improper use external mechanical influences transport damages as well as alterations made by unauthorized persons is not covered by this warranty 19 WASSERMANN DENTAL MASCHINEN 8 4 Spare Parts As extraction we strongly recommend our super silent unit WTS 1R with the finest filter This unit works effectively and provides large filtering capacity Accessories Part no Description 190800 additional tank left with fineblasting nozzle 0 6 mm 190802 additional tank right with fineblasting nozzle 0 8 mm Spare parts Part no Description 190550 Spare nozzle 0 6 mm 190551 Spare nozzle 0 8 mm 190552 Spare nozzle 1 2 mm 190554 Spare hose unit green 190555 Spare hose unit red 190557 Spare hose unit blue 190558 Spare hose unit gold 190572 Manifold 1
17. until no outflowing air can be heard Both chambers are ventilated simultaneously by pressing the red knob container at the right The chamber at the right red will always be filled with 110 250 my material The chamber at the left blue will always be filled with 50 110 my material The chambers are only allowed to be filled up to 4 cm from the upper chamber edge Before setting on the containers you have to assure that the threads and sealing surfaces are free of blasting media grains Screw on the screwed on cover properly in accordance with the colour indicator When all chambers have been screwed on the unit is ready for use and can be switched on Insert the power plug firmly into the power outlet 220 240 V 50 60 Hz Switch on the main switch green toggle switch Set the pressure reducer to working pressure There must be no hissing noise Otherwise please retighten the screwed on cover by hand WASSERMANN DENTAL MASCHINEN Die Basis f r Ihr Labor 5 Assembly follow up kit Please carry out the following preparatory measures Before you start the assembly check that the follow up kit has been delivered complete Unplug the Gobi 2 from its socket so that the mains supply is disconnected Remove your pressurised air connection to a safe distance and make sure that the Gobi 2 is no longer under pressure In the work room remove the plug for the lead through of t
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