SERVICE MANUAL - Absolute Air and Gas
Contents
1. DK50 Kompakt 5 10 SERVICE MANUAL CONTENTS DESCRIPTION OF PRODUCT sets san dama ana ia 3 1 USAGE ACCORDING TO ASSIGNATION RL KARR KKK RR 3 2 TECANICALDA A no E 3 3 CONDITIONS FOR USAGE a ee 3 4 DESCRIPTION OF THE FUNCTION c sssommetvstsssusdsonsonsussalbesdesssbupssosspusdesninsesisenssdsnsderstoreesinnsnsosionssesnide 4 INSTALLATION aa ee 7 de PLAGING OF TOMPRES SOR a ni 7 Se PU FENG INTO OPERATION a ae 7 7 MINE AC AM o a Eee 8 MAINTENANCE aan APA 9 8 MAINTENANCE INTERVAL ss ee benne near ment een 9 9 CONDENSATE DRAIN DOWN sitas 9 10 SONTROLOFSZFETY VALVE cusco 9 le BEPLABENENT OF INPUT FILTER a a nee 9 12 REPLACEMENT OF FILTER IN AIR DRYER sans ae a 10 13 REPLACEMENT OF FILTER IN CONDENSATION AND FILTRATION UNIT 10 14 TROUBEES OO EN on 10 SPARE PARTS nia AAA sil 11 Edition 3 DESCRIPTION OF PRODUCT 1 USAGE ACCORDING TO ASSIGNATION Dental compressors DK50 Z and DK50 10 Z with base that allows autonomous setting of the compressor in a space Dental compressors DK50 Z K and DK 50 10 Z K with base and equipped by condensation and filtration unit KJF1 Dental compressors DK50 10 Z M with base and equipped by adsorption air dryer Dental compressors DK50 S and DK50 10 S in compact boxes with efficient suppression of noise suitable for placing in doctor s office Dental compressors DK50 S K and DK50 10 S K in compact boxes and equipped by condensation and filtration unit KJF1 De2. C replace damaged capacitor replace damaged piston and or cylinder replace motor a check connections seal leaking ones b check connections by e g soap water seal leaking ones replace damaged O ring test dismount and clean return valve a replace damaged bearing put loose spring back replace damaged one a replace element b replace worn out piston rings replace gasket tighten head DK 50 SPARE PARTS Jojo Na foo jr Compressor DK50 L Bonded joints adhesive LOCTITE 270 18 valid till ser num E 4725 09 08 10 2008 se SM DK50 GB 3 DK 50 5 7 910 4102012 A Aggregate DK50 L Bonded joints adhesive LOCTITE 620 2 valid till ser num E 4725 09 08 SM DK50 GB 3 hes 10 2008 DK 50 B Airtank complete Bonded joints L adhesive LOCTITE 270 L1 adhesive LOCTITE 243 10 2008 os SM DK50 GB 3 DK 50 E IE ai 00 1 a v a C k er TES B 0 k PALO F 5 gt A C Box DK50 10 M Noise insulatation pad to bond with adhesive SABA Foamspray SM DK50 GB 3 ETA DK 50 13 D E Box 5L 10L Noise insulatation pad to bond with adhesive SABA Foamspray 10 2008 s SM DK50 GB 3 Hose output ABA 013 AKB 063 Hose 5000 Clamper Tapered element 6 4KB 062 Nut Washer D4 1 Screw M4x8 Electric board compl T 10A 230 50 60Hz T 16A 110 50 60Hz Electric board
3. nr v PE 2 1 3 FU N U X1 1 2 3 4 I u I PEN U NOSEM vz pa yvi ST Thermo switch YV1 Solenoid valve SP Pressure switch Cb1 Capacitor M Motor of compressor FU Fuses T10A EV1 Fan of compressor X1 X2 Terminal EV2 Fan of dryer DK50 Z DK50 10Z DK50 S DK50 10S 1 N PE 115 V 60 Hz ELECTRIC OBJECT OF 1st CAT EV2 Fan of dryer B TYPE ST SE zo Y a P ot j T K d 1 k j y PE m 1 3 FU N U x1 1 4 x2 a T x x x A I I A 11 11 PE N U YV1 ST Thermo switch YV1 Solenoid valve sP Pressure switch Cb1 Cb2 Capacitor M Motor of compressor FU Fuses T16A EV1 Fan of compressor X1 X2 Terminal DK50 10Z M DK50 10S M 1 N PE 115 V 60 Hz ELECTRIC OBJECT OF 1st CAT BTYPE ST de S M en
4. sludging hose and electric cord are duly lead via rear opening at box Grip sludging hose with sludging valve in a holder at the rear side of a box 6 PUTTING INTO OPERATION Connect the network rope fork into the network plug Appliance is delivered with plug with protective contact It is necessary to respect local A electrotechnical regulations Mains voltage and frequency must comply with the data stated at appliance label Switching the compressor on Fig 6 Compressor switch on at pressure switch by turning the shift 3 to position I compressor starts to work and pressurize air to air chamber At the compressed air consumption the pressure in the air nozzle drops to the closing pressure the compressor in put into operation and the air nozzle is filled with compressed air After engine reaching the cutoff pressure the compressor automatically After releasing pressure decreasing in the air nozzle and reaching the closing pressure the compressor is again put into operation Check this value of pressure at manometer 5 Setting of switching or switching off pressure can vary within the range of i 10 Air pressure in air chamber must not exceed maximal permitted operation pressure After a longer compressor activity the temperature in the case increase above 40 C when the cooling fan blower automatically turns on After cooling the case area in the ambient of compressor under around 32 C the fan blower
5. zt cul J Ai z2 U2 i ky PE 2 3 FU N U X1 2 X2 c E f N A 1 a N a 11 II PEN U SEVA EV2 Da vit ST Thermo switch YV1 Solenoid valve sP Pressure switch Cb1 Cb2 Capacitor M Motor of compressor FU Fuses T16A EV1 Fan of compressor X1 X2 Terminal MAINTENANCE A Prior every work at maintenance or repair switch off the compressor and disconnect it from mains 8 MAINTENANCE INTERVAL Maintenance that must be performed Chapter Performed by e Release condensate Compressor without air drier 1 x week operating staff At high air humidity 1x day operating staff Compressors with air drier 1 x week control the function operating staff Compressors with condensation unit from filter 1 x week control the function operating staff from pressure vessel 1x week operating staff e Control safety valve qualified expert e Replacement of input filter 1x of2 years qualified expert e Replacement of filter and checking of the filling in qualified expert drier e Replacement of filter in condensation unit qualified expert e Control of tightness of joints and Service 1 x year qualified expert control examination of device documentation In order to find out correct work of compressor it is necessary in certain intervals Chapter 8 to perform the following activities 9 CONDENSATE DRAIN DOWN Compressors Fig 7 In the case of operation it is recommended to release condensate from pressure tank 1 x w
6. 137 4KC 125 4KB 983 4KA 529 3KA 203 AKA 135 4KA 198 AKA 532 AKA 534 2KA 343 AKA 535 4KC 125 4KB 983 AKA 537 3KA 344 AKA 533 603021239 049000154 049000155 043000003 061000255 062000413 062000399 062000400 023000649 061000256 061000259 061000254 061000258 062000411 023000652 044000012 043000019 062000412 041000007 043000019 074000004 042000002 061000018 061000056 023000259 044000012 043000019 061000057 062000399 062000400 061000058 023000128 061000019 061000025 033400013 041000007 043000019 074000004 042000002 061000037 061000059 023000258 044000012 043000019 061000060 062000399 062000400 061000061 023000131 061000038 E15 Noise insulatation pad 4KA 536 E16 Fastclip 656 111 valid for older version 061000045 033400013 ekom EKOM spol sr o Priemyseln 5031 18 921 01 PIESTANY Slovensk republika tel 421 33 7967255 fax 421 33 7967223 e mail ekom ekom sk
7. 2008 SM DK50 GB 3 INSTALLATION Prior first putting into operation all fixings serving for the fixation of the device during transportation must be removed else there would be a risk of damage to the product temperatures dangerous for contact with operating staff or material Danger of fire During the operation of compressor parts of the aggregate can be heated to Caution hot air 5 PLACING OF COMPRESSOR Handling Fig 5 Unfixation Dental compressor with a base DK50 Z DK50 10 Z DK50 10 Z M Fig 5 Place the product after unpacking from the package with the base to the floor of the room release it from all packaging material and remove fixation parts X Y detail A Dental compressor in a box DK50 S DK50 10 S Place the product after unpacking from the package with the base to the floor of the room release it from all packaging material and remove fixation parts X Y detail A Direct output pressure hose sludging hose and power cord in the back part of the compressor out of the compressor Slide box from above to compressor so that front face is directed towards a front part of the compressor and box stuffing fixes the base at its circumference Dental compressor in a cabinet DK50 10 S M Fig 3 From the top put the housing on the compressor connect the flexible shaft to the control button fasten with the screw and cover the cabinet housing by the upper lid according to the picture Check whether pressure hose
8. 6x25 A14 Piston with piston rod A15 Membrane screw A16 Membrane A17 Piston ring el A18 Washer flexible D5 1 A19 Socket screw M5x30 A20 Sealing liner A21 Crank case cap A22 Screw M4x10 A23 Filter element 03 A24 Suction plug A25 Cylinder A26 O ring D50x2 A27 Valve plate A28 Membrane seat A29 Pressure spring 3KB 834 4CA 195 4CA 194 4KA 016 1 4KA 031 1 4KB 892 AKB 835 3KB 893 AKB 832 4CA 023 3KA 015 4KA 019C A30 Cylinder head complete 4CA 208 A31 Washer flexible D6 1 A32 Screw M6x110 A33 Fitting G3 8MM Bi Airtank 5l Air tank 101 B2 Plug M30x1 5 B3 Base plate 5 Base plate 101 B4 Rubber legCM 2207 Bo Washer 5 3 15 B6 Screw M5x25 B Pressure switch B8 Connecting Nut B9 Gasket Cu 2CA 219 2CA 213 AKA 953 3KB 954 3KB 909 4DA 061 4KA 103 4KA 104 050000033 041000051 604021195 021000026 041000115 604021194 024000007 024000008 069000123 043000005 041000036 074000065 050000034 041000110 025200126 074000064 050000036 073000109 604021023 024000006 022000010 604021208 043000007 041000045 025400119 602021219 602021213 024000247 023000567 023000534 074000010 043000101 041000208 604031061 024000027 025900004 B10 Fitting block to press switch4KA 642 024000101 B11 Pressure switch pipe B12 Securing nut M12 B13 Non return valve B14 Fitting MF 3 8 B15 Fitting 4 modif M4x12 4 3 C1 Screw C2 Washer C3 Rubber leg C4 Nut 4 C5 Valve control AKA 765 A
9. KA 180 AKB 066 3BA 558 C6 Noise insulatation pad 4KC 254 C7 Noise insulatation pad 64x58 4x5 024000357 024000162 025300007 025400034 024000311 041000007 043000019 074000004 042000002 603011558 062000410 061000260 08 C9 Lower case compl Pin M4 C10 Pin spring M4 C11 Washer 4 C12 Noise insulatation pad 53x32x2 C13 Noise insulatation pad 4KC 259 C14 Capping strip left C15 Capping strip right C16 Upper plate C17 Noise insulatation pad 31 8x5x2 C18 Noise insulatation pad 41 x11 5x3 3CA 239 4KC 125 4KB 983 3KC 140 C19 Noise insulatation pad 41 5x3x2 C20 Noise insulatation pad 30x3x3 C21 Noise insulatation pad 4KC 256 C22 Tunnel for ventilator C23 Rivet Washer 4 3 C24 Noise insulatation pad D9 Screw M4x12 Washer 4 3 Rubber leg CM 4144 Nut M4 Noise insulatation pad Noise insulatation pad Lower case Rivet 4x9 5x12 Washer 4 3 Noise insulatation pad C10 Capping strip left C11 Capping stri right D12 Noise insulatation pad D13 Upper plate D14 Noise insulatation pad D15 Noise insulatation pad D16 Fastclip 656 111 El Screw M4x12 E2 Washer 4 3 E3 Rubber leg CM 4144 E4 Nut M4 E5 Noise insulatation pad E9 Noise insulatation pad Lower case Rivet 4x9 5x12 Washer 4 3 Noise insulatation pad C10 Capping strip left C11 Capping strip right E12 Noise insulatation pad E13 Upper plate E14 Noise insulatation pad AKC 143 AKC 257 AKA 134 AKA 136 2KA 133 AKA
10. afety pin locks 14 TROUBLESHOOTING Manufacturer reserves the right to make changes on the appliance that however will have no impact on substantial characteristics of the appliance A Prior the intervention to the appliance it is necessary to reduce air pressure in air chamber to zero and disconnect the appliance from mains Activities regarding troubleshooting can be performed only by qualified service expert Fault Symptom and possible causes Compressor does not start Compressor often switches on without air consumption Compressor is noisy Efficiency is decreased work cycle of compressor is extended a No power supply b Power supply is interrupted flexible cord is cut off loose clip motor winding is cut off thermal protection is damaged check clips and pressure switch function damaged solenoid valve c High current consumption check capacitors difficult mechanical run piston crash damaged winding of a motor a Air section leakage b Compressor leakage a Knocking or other metal sounds bearing is damaged Loosen cracked crush element spring a polluted suction filter element b low unit performance gasket between head cylinder and valve plate damaged a check fuses replace damaged ones b replace damaged part tighten clips replace el motor replace el motor tighten clips or replace pressure switch Replace solenoid valve
11. e compressor is switched off The safety valve 5 prevents the pressure excess in the air nozzle to above max of 8 bars The release valve 7 releases the condensate from the air nozzle Such compressed and clean air free from oil traces is in air chamber ready for further usage Compressor with dryer Fig 2 Fig 3 Aggregate of compressor 1 sucks in the free air through a line filter 8 and it is delivered into the air dryer in compressed form The air proceeds through the cooler 15 through the dryer chamber 9 with adsorption apparatus 16 where the humidity is captured through a built in filter 17 and reverse valve 3 as dried and clean air into the air tank 2 The adsorption apparatus is automatically regenerated in the regeneration cycle after each compressor switching off by the air pressure switch The adsorption chamber is depressurized through an open solenoid valve 14 at its simultaneous blowing through with dried air The adsorption apparatus is regenerated and the captured water from the chamber is displaced through the valve out Compressed dry and clean air free from oil traces is in air chamber ready for further usage Additional dryer regeneration without case At a regular compressor operation with dryer it is necessary to regenerate additionally the drying unit twice a month by opening the valve for additional regeneration 19 for a period of around 8 hours During this time the dryer filling shall regenerate con
12. eek at high air humidity 1 x day Switch off the compressor from mains and reduce air pressure in the device to pressure of max 1 bar for example by releasing air via connected device Canalize hose with sludging valve to vessel prepared in advance By opening the release valve 1 release condensate from tank Wait till condensate is fully delivered from pressure tank Again close release valve 1 Compressors with condensation and filtration unit Fig 10 Fig lll In the case of operation condensate is automatically released via release valve of f ndersation unit filter Perform the control of the function of automatic sludging as follows Open valve 4 of sludging vessel 2 by unscrewing to left release small amount of condensate from the vessel Close valve 4 again by screwing to right thus automatic mode of sludging is adjusted Compressors with air dryer In the case of operation condensate is automatically released via outlet solenoid valve of air dryer 10 CONTROL OF SAFETY VALVE Safety valve must not be used for depressurizing of pressure tank It could endanger the function of safety valve It is adjusted to permitted maximal pressure by manufacturer it is tested and marked It must not be readjusted Warning Compressed air may be dangerous You may have to protect your sight when blowing air out Its impediment may occur Fig 6 At the compressor is put into operation for the first time it is necessary to contr
13. ficient exchange of cooling air is ensured Thanks to its design it is suitable for placing in doctor s office as a part of furniture The fan blower under the compressor aggregate provides for compressor cooling After a longer compressor activity the temperature in the case may increase above 40 C when the cooling fan blower automatically turns on After cooling the case area under around 32 C the fan blower turns off automatically The fan blower is also under operation together with the compressor engine of the case bottom part and for the hot air outlet in the upper back part of the case In the case of placing the compressor onto a soft floor such as carpet it is necessary to create a spacing between base and floor or box and floor e g underlay the footings with N It is forbidden to create obstacles for entering of cooling air into the case on the periphery A hard pads due to the provision of good compressor cooling Fig 1 Compressor END Aggregate of compressor Airtank Check valve Pressure switch Safety valve Manometer Release valve Input filter Dryer chamber Pipe cooler Filter Condensed outlet Solenoid valve Solenoid valve of dryer Cooler Adsorber Filter Sieve Valve for regeneration Stopper Button for valve of regeneration DK 50 Box Dryer MONZUN M1 10 Fig 3 Fig 4 Compressor with condensation and filtration unit KJF1 10
14. housing 4KA 127 1 Fuse Fuse 4CA 059 Tightening strap 140x3 6 Washer M3x35 Screw D3 2 Drain valve G W Drain hose Screw M5x16 Washer flexible D5 1 Clip Isolation pipe 110 Damping element S Screw M6x60 Washer warning Fixation element Fixation element Nut M8 Washer D8 4 Damping element H Fan 230V Fan 110V Fan housing Fan Screw M4x45 Safety valve Gasket CU Manometer 50 G 4 Silencer G 1 8 Solenoid valve Input hose D8x300 Thermo switch 40 C Washer AKA 192 ACA 215 3KC 424 ACA 216 3KB 914 ABA 025 AKA 078 Motor complete 230V 50 60Hz Motor complete 110V 60Hz Condensator 30MF 450V 230V Condensator 2x60 MF 450V 110V Holder central Holder central Nut M8 Washer D8 2 Washer D8 4 Screw M8x25 Side left Side right 3KC 417 3KB 996 3KB 912 3KB 911 604011013 062000117 049000010 024000122 024000118 043000003 041000006 604021059 038100005 038100007 062000003 069000024 043000015 041000004 025300001 072000012 041000087 043000005 023000112 034800131 604021215 041000503 062000366 062000447 023000607 042000006 043000009 604021216 035300006 035300005 062000347 041000502 604011025 025900003 025400003 025400018 036100022 072000039 033510004 043000017 035110008 035110015 031330003 031330010 023000776 023000579 042000006 043000017 043000009 041000511 062000346 062000345 A9 Crank case A10 Screw M8x16 A11 Crank 50Hz A12 Bearing 6304 A13 Screw M
15. nance and so that appliance label was accessible e Appliance must stand on flat sufficiently stable base take care after the weight of compressor see paragraph 2 Technical data e Compressors cannot be exposed to outdoor environment The appliance cannot be in operation in moist or wet environment It is forbidden to use the equipment in the premises with presence of explosive gases dust or combustible liquids e Before installing the compressor into the medical equipment the supplier shall assess what medium air made available would suit the requirements of the given purpose of usage Respect technical data of the product for this purpose At building in classification and evaluation of compliance must be performed by manufacturer supplier of final product e Any other usage or usage over the given range is not considered to be the usage according to assignation Manufacturer is not liable for damages implied from this The risk is born only by operator user 4 DESCRIPTION OF THE FUNCTION Compressor Fig 1 Aggregate of compressor 1 sucks in the free air through a line filter 8 and compresses it through a reverse valve 3 into an air tank 2 The apparatus draws the compressed air from the air nozzle whereby the pressure drops to closing pressure set on the air pressure switch 4 at which the compressor is switched on The compressor again compresses the air into the air nozzle up to the value of cutoff pressure when th
16. ntal compressors DK50 10 S M in compact boxes and equipped by adsorption air dryer 2 TECHNICAL DATA e Compressor efficiency at over pressure 0 5 MPa 751 min 10 e Air tank filling time from O to 0 6 MPa DK50 Z S max 25 s DK50 10 Z S max 45 s DK50 10 ZM S max 55 s e Nominal voltage frequency current 230 V 50 Hz 34A 230 V 10 60 Hz 4 3 A at over pressure 6bar 110 V 60 Hz 8 6 A with dryer 0 2A e Working pressure of compressor 0 45 0 6 MPa 10 e Safety valve opening pressure 0 8 MPa e Operation mode DK50 S DK 50 10 S continual S1 DK50 Z DK 50 10 Z continual Si DK50 10 Z M DK50 10 S M intermittent S3 50 e Capacity of air tank DK50 5 lit DK50 10 10 lit e Weight of compressor DK50 Z 34 kg DK50 10 Z 36 kg DK50 S 46 kg DK50 10 S 49 kg DK50 10 Z M 47 kg DK50 10 S M 64 kg e Dimensions DK50 Z 290x430x490 DK50 10 Z 330x430x530 wxlxh mm DK50 S 380x525x575 DK50 10 S 420x525x620 DK50 10 ZM 330x580x570 DK50 10 SM 420x675x620 e Compressor is made as the equipment of B type in I category in accordance with standard STN EN 60 601 1 3 CONDITIONS FOR USAGE e Appliance can be installed and operated only in dry well ventilated and dust free areas where ambient temperature is within the range of 59 to 40 C and relative air humidity does not exceed 70 and absolute humidity below 15g m3 Compressor must be installed so that it was well accessible for operating and mainte
17. ol correct function of safety valve Turn screw 4 of safety valve 1 several rotations to left till safety valve blows out Let safety valve blow out only for a short time period Turn screw 1 to right till backstop valve must be closed now again During this control pressure tank must be under pressure of max 6 bars 11 REPLACEMENT OF INPUT FILTER Fig 8 It is necessary to exchange the filter insert every two years 1 located in the lid of the compressor engine case e Take out rubber plug by hand 2 Take out dirty filter insert take out Put inside a new filter insert and cover it with rubber plug Fig 8 12 REPLACEMENT OF FILTER IN AIR DRYER Fig 9 Replace filtration pad in the upper part of drying box once a year e Remove the dryer plug 1 by unscrewing to the left on the body 4 e Change the filter 2 e Put a plug to the body 4 and tighten it to right Fig 9 13 REPLACEMENT OF FILTER IN CONDENSATION AND FILTRATION UNIT Fig 10 In the case of a regular operation of condensation unit it is necessary to replace filtration pad in filter with automatic sludge drain once a year e Loosen fuse 1 at filter by pulling it down and turn the cover of filter 2 to left and pull it out e Unscrew filtration pad 3 by turning it to left e Replace filtration pad and screw the new one by turning to right back to the body of filter e Put on the cover of filter and secure it by turning to right till s
18. strainedly whereby its high efficiency shall be provided for during the entire dryer lifetime After the time of compulsory regeneration it is necessary to close the regeneration valve Additional dryer regeneration in a case Fig 3 For the compressor with a dryer MONZUN M1 10 in a case the valve operation for regeneration 19 is led out through a flexible spindle to the front panel of the case At regular compressor operation with dryer it is necessary to additionally regenerate the dryer unit twice a month by opening the valve for additional regeneration by turning the button 21 from position 0 to the position to the left counter clockwise for a period of around 8 hours After the time of compulsory regeneration it is necessary to close the regeneration valve by turning the button from position I to the position 0 clockwise Compressor with condensation and filtration unit Fig 4 Aggregate of compressor 1 sucks in the free air through a line filter 8 and compresses it through a reverse valve 3 into an air tank 2 The compressed air from the air nozzle is led through cooler 10 which cools the compressed air it captures the condensed humidity in the filter 11 and automatically separates as a condensate 12 Compressed dried and clean air free from oil traces is ready for further usage Compressor box Box ensures compact coverage of compressor and thus noise is effectively suppressed and at the same time a suf
19. turns off automatically The fan blower is also under operation together with the compressor turns off Fig It is not allowed to tamper and change pressure limits of pressure switch at compressor Pressure switch 2 was adjusted by manufacturer 7 WIRING DIAGRAMS DK50 Z DK50 10Z DK50 S DK50 105 1 N PE 230 V 50 60 Hz ELECTRIC OBJECT OF 1st CAT B TYPE ST S ZM ee ei 4 ot er can cut o A ee y PE 2 Le 3 FU U X1 1 2 3 X2 PE U NS Evi yvi ST Thermo switch YV1 Solenoid valve SP Pressure switch Cb1 Capacitor M Motor of compressor FU Fuses T10A EV1 Fan of compressor X1 X2 Terminal DK50 10Z M DK50 10S M 1 N PE gt 230 V 50 60 Hz ELECTRIC OBJECT OF 1st CAT B TYPE get S un 5 p gt S M dee f em qui A a i a 1500 at 75 Cua M s r L SL
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