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1. 16 MS4 SERVICE MANUAL LABORATOIRES 5 Figure 2 2 1 3 Right side cover 2 4 Figure 2 2 2 Backside cover MS4 SERVICE MANUAL 17 LABORATOIRES ELECTRONIC PARTS 2 3 1 Notes MS LAB reference Mother Board block 3 504 942 18 With the top cover open Figure 2 3 1 Unplug electrical connectors to Unlock flat cable connectors as shown arrows and pull out cables Pull out the power connector Figure 2 3 2 Unplug earth wire Remove the Nut and the Star Lockwasher and pull out the earth wire Figure 2 3 3 Unlock the axis On inside of the top cover unscrew the Hexagon socket head cap screw until it is nearly out of the hole of the mother board block Figure 2 3 4 Detail of the mother board block axis 54 SERVICE MANUAL LABORATOIRES 5 Figure 2 3 1 Figure 2 3 2 Figure 2 3 3 Figure 2 3 4 MS4 SERVICE MANUAL 19 LABORATOIRES 5 MOTHER BOARD 2 Notes Figure 2 3 5 Unlock the mother board block Close the top cover Remove the Hexagon socket head cap screw located at the upper left of the block Figure 2 3 6 Unplug the pressure sensor tube Swivel the metallic block to access the air pressure tube and pull it out of the pressure sensor Take out the whole bloc
2. Figure 3 11 5 Figure 3 11 6 P m E zi 4 TN Cw M d ly DL qm 1 2 E q E Figure 3 11 7 Figure 3 11 8 MS4 SERVICE MANUAL 73 LABORATOIRES FLUIDIC PARTS M 74 54 SERVICE MANUAL LABORATOIRES p gt c lk 9 Kk 4 SCHEMATIC DIAGRAMS 76 MS4 SERVICE MANUAL LABORATOIRES M SCHEMATIC DIAGRAMS 4 1 PRINCIPLE CIRCUIT ZI x EV4 Diluent Sensor 1 15 pu 4 Diluent Sampling needle 1 Lyse CN xv 2 Needle GE 5 Motor 2 d Sampling micro piston Carrier translation Motor Syringe Motor gt Expansion chamber I EV9 16 Vacuum Air Piston sensor Air ok Air Lateral E gt chamber chamber 2 Detergent Air Motor Sensor Diluent Rinse Solution Wasting Detergent Lyse MS4 SERVICE MANUAL 77 LABORATOIRES 5 DIAGRAMS 78 MS4 SERVICE MANUAL LABORATOIRES SCHEMATIC DIAGRAMS MoS 4 2 COMPLETE FLUIDIC CO
3. Notes Preliminary To access the measuring chamber it is necessary to take the metallic cover off by removing its 2 wing nuts Figure 3 9 1 Unplug the electrical connectors Photometer emitter connector 2 Photometer receptor connector Probe connector Figure 3 9 2 Unplug reagent tubes 2 Remove the tubes from the fittings Ifin doubt when re plugging refer to the schematic map at the end of this manual Remove the 2 Nylon nuts Figure 3 9 3 Take the measuring chamber out Pull out the measuring chamber gently MS LAB reference Complete Measuring Chamber with Photometer 3 504910 64 MS4 SERVICE MANUAL LABORATOIRES M FLUIDIC PARTS Figure 3 9 1 Figure 3 9 2 9 3 WY r 2 MS SERVICEMANUAL 65 FLUIDIC 5 M MEASURING CHAMBER 2 Notes Figure 3 9 4 Photometer The Photometer is in two parts The Photometer Emitter part visible in the picture and 2 the Photometer Receptor part at the opposite side of the measuring chamber Remove the Nylon screws and pull each part out of the photometer Figure 3 9 5 Measuring Probe Remove the ground wire from the lateral chamber by unscrewing the wing nut Q Unscrew counterclockwise manually the entire Probe Figure 3 9 6 Reassembling the Probe Before reinserting the measuring chamber into its place do not forget to put the ground wire into the slot at the backside of the chamber
4. the two screws located underneath the instrument location in figure 3 8 1 can be loose When the block is in place do not forget to tighten these screws Figure 3 8 4 Top view of the Carrier Block Locate the 2 switches which control the carrier movement under the protective sheet MS LAB reference Plastic Carrier Dilutor Block 3 504 917 Carrier Stepper Motor 3 504410 Plastic Dilutor 3 504915 60 MS4 SERVICE MANUAL LABORATOIRES FLUIDIC PARTS Figure 3 8 1 Figure 3 8 2 Figure 3 8 3 Figure 3 8 4 LABORATI 2 64 SERVICE MANUAL 61 FLUIDIC 5 M CARRIER BLOCK 2 Notes Figure 3 8 5 Exploded view Note 1 Reassembling switches Verify the wires The lower switch is connected at a white green wire and the actuator is on the left This switch must be in the maximum right position The upper switch is connected at a green wire and the actuator is on the right This switch must be set to the maximum front position Note 2 Install the moving part To reassemble the upper moving part engage the 2 axes on the right side of the carriage Make sure that the 2 axes are in the extreme right position before Snapping them into the upper part to avoid breakage of the switches actuators 62 MS4 SERVICE MANUAL LABORATOIRES FLUIDIC 5 Figure 3 8 5 54 SERVICE MANUAL 63 LABORATOIRES FLUIDIC 5 3 9 MEASURING CHAMBER 1
5. 3 3 SYRINGE PUMP HEAD 42 3 4 SYRINGE PUMP GREASING 46 3 5 SAMPLING BLOCK 50 3 6 NEEDLE REPLACEMENT 54 3 7 NEEDLE MAINTENANCE 56 3 8 CARRIER BLOCK 60 3 9 MEASURING 64 3 10 APERTURE annassa 68 3 11 MEASURING BLOCK 70 m 54 SERVICE MANUAL 5 LABORATOIRES TABLE OF CONTENTS M 4 SCHEMATIC DIAGRAMS aaa 75 4 1 PRINCIPLE CIRCUIT 77 4 2 FLUIDIC CONNECTIONS 79 4 3 GENERAL ELECTRONIC 81 4 4 MS4 MAIN PARTS 83 5 REFERENCE SPARE PARTS 85 5 1 COMPLETE PARTS 87 5 2 SOLENOID PARTS 88 5 3 PLASTIC PARTS 89 5 4 ELECTRONIC PARTS 90 5 5 ACCESSORIES 91 6 54 SERVICE MANUAL LABORATOIRES p gt c lk 9 Kk 1 GENERAL CONSIDERATIONS 54 SERVICE MANUAL LABORATOIRES M GENERAL CONSIDERATIONS GENERAL CONSIDERATIONS This Service Manual explains how to perform all the operations for the MS4 maintenance describes step by step each
6. next pages the tool required to dismantle a part is shown as an icon as illustrated above 10 MS4 SERVICE MANUAL LABORATOIRES p gt c lk 9 Kk 2 ELECTRONIC PARTS 12 MS4 SERVICE MANUAL LABORATOIRES 5 ELECTRONIC Advice The first part of this manual shows how to dismantle the electronic parts with the intention of replacing one of them If an exchange is necessary replace the entirety of the block as given in the MS LAB reference list to benefit from the warranty if required Do not return the defective part separately For example the mother board block includes the electronic mother board mounted on the metallic underframe The latter one protects the pressure sensor during transportation so it is important not to dismantle this part Exceptionally a single defective spare part must be returned to the MS Laboratoires after sales service only with the prior approval of a MS Laboratoires service engineer To dismantle the parts correctly execute the operations in the order described in this manual MS4 SERVICE MANUAL 13 LABORATOIRES ELECTRONIC PARTS NL 2 1 AMPLIFIER BOARD Notes Figure 2 1 1 Take the front cover off Remove the 4 Pozidriv Countersunk Head Screws with a Pozidriv screwdriver Figure 2 1 2 Unplug electrical connectors Amplifier flat cable Probe connector Photometer receptor connector Photometer em
7. phase for dismantling the main parts of the instrument by illustrations and numbered reference marks Execute the operations in the increasing order given by the marks from 1 to n To assemble the parts afterward execute the operations in the reverse order of dismantling IMPORTANT When removing the screws take care to mount back the correct screw into the right place Mixing size or type of screws can cause the malfunction of the instrument A description of the screws used the 54 is shown below Hexagon socket head Screw Plain Washer Slotted Pan Head Screw um Spring Lockwasher Slotted Countersunk LU Star Lockwasher 2 Head Screw Pozidriv Countersunk Nut Hexagon socket set Screw 22000000 Rozidriv Pan Pozidriv Self Tapping Pan Head Screw All information given in this manual is subject to change due to the upgrade of functionality without notice from MELET SCHLOESING Laboratoires 4 is a Registered trademark of MELET SCHLOESING Laboratoires MS4 SERVICE MANUAL 9 LABORATOIRES GENERAL CONSIDERATIONS M 1 1 TOOLS The set tools shown below allows taking appart and reassembling all the device parts HEX keys for Hexagon socket head cap screws 3 mm 2 5 mm Hex 1 5 mm Pipe keys for hexagon spacers and nuts Hex mm Hex 5 5 mm Hex 5 mm Flat blade screwdriver Pozidriv screwdriver Under the figures in the
8. rack bar on the axis on the piston Generally the Air piston Teflon head does not need replacement 44 54 SERVICE MANUAL LABORATOIRES FLUIDIC 5 Figure 3 3 5 Figure 3 3 6 Figure 3 3 7 MS4 SERVICE MANUAL 45 LABORATOIRES FLUIDIC PARTS X 3 4 SYRINGE PUMP GREASING 1 Notes MS LAB reference Special grease for Syringe and O Ring 3 509 890 Figure 3 4 1 Cleaning the Lyse chamber Generally as shown in the figure the Lyse piston O Ring comes with syringe piston block and stays on the Lyse piston the white Teflon piston If it has staying in the Lyse chamber it must be removed for replacement Clean the Lyse chamber with a cotton bud stick Never grease the internal Lyse chamber or the sampling chamber the smaller chamber Figure 3 4 2 Cleaning the Diluent Chamber Clean the chamber with a very lint free DRY cloth Cleaning must be done with a DRY piece of cloth NEVER USE ANY SOLVENT OR DETERGENT Figure 3 4 3 Grease the Diluent chamber Use the fingers to grease the different parts of the pump head Be careful to do this with clean fingers to avoid spreading dust or dirty particles NOTE The Air chamber must NEVER been greased 46 MS4 SERVICE MANUAL LABORATOIRES K FLUIDIC PARTS Figure 3 4 1 Figure 3 4 2 Figure 3 4 3 MS4 SERVICE MANUAL 47 LABORATOIRES FLUIDIC PARTS X SYRINGE PUMP GREASING 2 Notes MS LAB refer
9. 4 SERVICE MANUAL LABORATOIRES SCHEMATIC DIAGRAMS A 4 4 54 MAIN PARTS Expansion Chamber Syringe Pump Block Measuring block Carrier Motor Needle Support Dilutor Block Amplifier Board Mother Board Sampling Block Measuring block Carrier Block Power Supply To Power Supply To Printer Carrier Block Carrier Motor To Amplifier Board Amplifier Board Mother Board To Connection Board Main Power Input MS4 SERVICE MANUAL 83 LABORATOIRES 84 54 SERVICE MANUAL LABORATOIRES p gt c lk 9 Kk 5 REFERENCE SPARE PARTS 86 MS4 SERVICE MANUAL LABORATOIRES 5 1 COMPLETE PARTS 3MS04 964 3MS04 941 3MS04 935 FRONT COVER DISPLAY PRINTER BLOCK FLUIDIC CONNECTOR 3MS04 930B 3MS04 917B 3MS04 920 PLASTIC SAMPLING PLASTIC CARRIER SYRINGE PUMP BLOCK DILUTOR BLOCK BLOCK 3MS04 910 3MS04 925 MEASURING CHAMBER EXPANSION CHAMBER WITH PHOTOMETER MS4 SERVICE MANUAL 87 LABORATOIRES REFERENCE 5 5 M 5 2 SOLENOID PARTS 3MS04 410 3MS04 409N CARRIER STEPPER MOTOR SAMPLING BLOCK MOTOR 3 504 652 3 504 4095 SYRINGE MOTOR 3MS04 409A AIR PUMP MOTOR 3MS09 450 3MS09 451 SOLENOID VALVE 2 Way SOLENOID VALVE 3 Way 88 MS4 SERVICE MANUAL LABORATOIRES 5 3 PLASTIC PARTS 3MS04 915 3MS04 902 PLASTIC DILUTOR ADAPTOR TUBE KIT 3MS04 313 3MS04 316 MEASURING PROBE PHOTOMETER 3MS0
10. 4 317 3 509 315C LATERAL CHAMBER APERTURE COMPLETE 3MS04 932 SAMPLING NEEDLE FOR PLASTIC SAMPLING BLOCK 54 SERVICE MANUAL 89 LABORATOIRES REFERENCE 5 5 M 2 4 5 3 504 233 POWER SUPPLY 3MS04 942 MOTHER BOARD BLOCK 29 ny cr R 3 504 215 3 504 241 3 504 945 AMPLIFIER BOARD DISPLAY BOARD KEYBOARD BLOCK 90 MS4 SERVICE MANUAL LABORATOIRES 5 5 ACCESSORIES 3 509 970 FRENCH EXTERNAL ALPHANUMERIC KEYBOARD 3 509 971 US EXTERNAL ALPHANUMERIC KEYBOARD 3 509 972 CYRILLIC EXTERNAL ALPHANUMERIC KEYBOARD 3MS04 901 3MSR 0430 3 509 560A TUBE KIT FOR PACK PRINTER ROLL PAPER BLOOD CLOT FILTER 3MS09 890 3MS04 905 SPECIAL GREASE FOR SYRINGE SET OF O RING SYRINGE AND O RING MS4 SERVICE MANUAL 91 LABORATOIRES 92 NOTES MS4 SERVICE MANUAL LABORATOIRES
11. AUTOMATED HEMATOLOGY CELL COUNTER Service Manual Xy SERVICE MANUAL Rx Only MELET SCHLOESING Laboratoires BP 508 95528 CERGY PONTOISE CEDEX FRANCE December 2003 Tel 33 0 1 30 75 30 00 FAX 33 0 1 30 73 17 80 www mslabos com Issued March 01 1998 Last revision December 04 2003 2 MS4 SERVICE MANUAL LABORATOIRES p gt c Kk 9 5 5 54 SERVICE MANUAL LABORATOIRES M 5 5 1 GENERAL CONSIDERATIONS 7 1 1 REQUIRED TOOLS 10 2 ELECTRONIC PARTS 1 1 1 o s 11 21 AMPLIFIER BOARD 14 2 2 INTERNAL PARTS ACCESS 16 2 3 MOTHER BOARD 18 2 4 FAN REPLACEMENT 22 2 5 POWER SUPPLY 24 2 6 DISPLAY BOARD 30 2 7 PRINTER BLOCK 32 2 8 FUSE REPLACEMENT 34 2 9 CONNECTORS BOARD 36 FLUIDIC PARTS 37 3 1 ABOUT FLUIDIC PARTS 38 3 2 SYRINGE PUMP BLOCK 40
12. E MANUAL FLUIDIC 5 Figure 3 5 1 Figure 3 5 2 54 SERVICE MANUAL 51 LABORATOIRES FLUIDIC 5 K SAMPLING BLOCK 2 Notes Figure 3 5 3 Exploded view Presentation of all detailed parts of the Sampling Block Figure 3 5 4 Note about mounting of gear wheel Take care to leave about 10 teeth of the gear wheel free when the needle carriage is at the upper limit stop 52 5495 0 FLUIDIC 5 Figure 3 5 3 Figure 3 5 4 53 54 SERVICE MANUAL r LABORATOIRES FLUIDIC PARTS X 3 6 NEEDLE REPLACEMENT Notes MS LAB reference Sampling Needle for plastic sampling block 3 504 932 Figure 3 6 1 The needle is just snapped to sampling block but is strongly fixed Turn it a quarter turn counterclockwise while pulling it out It should partially come up Figure 3 6 2 Now turn it half turn clockwise taking care not to put it back in place Figure 3 6 3 At last remove it by pulling it out while turning it counterclockwise B REPLACEMENT Figure 3 6 4 Insert the needle in the hole designed for it Try to keep the needle as parallel to the sampling block as possible Figure 3 6 5 Push the needle while turning it a quarter turn clockwise You should feel a first snap retry as long as you do not feel it Figure 3 6 6 Finally put the needle in place by turning it counterclockwise It
13. MS LAB reference Probe for 54 3 504 313 Photometer for M94 3 504 316 66 MS4 SERVICE MANUAL LABORATOIRES M FLUIDIC 5 3 9 4 Figure 3 9 5 Figure 3 9 6 54 SERVICE MANUAL 67 LABORATOIRES FLUIDIC PARTS X 3 10 APERTURE Notes MS LAB reference Aperture complete 3MS09 325 Lateral chamber 3MS04 317 68 MS4 SERVICE MANUAL Figure 3 10 1 Aperture access Remove the 2 crystal tubes from the fittings of the lateral chamber Unscrew the 2 wing nuts in front of the lateral chamber remove the 2 wires Remove the ground barrette Pull the lateral chamber out Figure 3 10 2 View of Aperture and lateral chamber parts Note To dismantle the Aperture more easily t is sometimes possible to access the Aperture without unplugging the crystal tubes Just pull the lateral chamber out and catch the Aperture between the main chamber and the lateral chamber LABORATOIRES FLUIDIC PARTS Figure 3 10 1 Figure 3 10 2 MS4 SERVICE MANUAL 69 LABORATOIRES FLUIDIC PARTS X 3 11 MEASURING BLOCK 1 Notes MS LAB reference Fluidic connector 3 504 935 Expansion chamber 3MS04 925 70 Figure 3 11 1 Unplug the valves connector Unlock the flat cable connector from the mother board and pull it out Figure 3 11 2 Unplug the silicone tubes Remove the tube from the fitting of the expansion chamber Remove the t
14. NNECTIONS pressure sensor chamber 7 1 Diluent __ sensor sensor Measuring chamber Air Chamber Sampling Chamber Lyse Chamber Diluent Chamber Fluidic connector 5 NC e 4 2 2 8s 2013 O eaa a Whole Blood Clot filters Rinse Solution MS4 SERVICE MANUAL 79 Tube location NC E 7 Detergent Diluent sensor LABORATOIRES 5 DIAGRAMS 80 MS4 SERVICE MANUAL LABORATOIRES SCHEMATIC DIAGRAMS M ne 4 3 GENERAL ELECTRONIC DIAGRAM Screen amp Keyboard Power Supply _ spem uc 4 E 202 E FI a y Amplifier Board r Measuring Chamber Board eee A 1 2 1 P E 1 ou L EI 4 3 1 E rand LS td Board 2 MS4 SERVICE MANUAL 81 LABORATOIRES 5 DIAGRAMS 82 5
15. TRONIC PARTS X 2 7 PRINTER BLOCK Notes MS LAB reference Printer Block for MS4 3MS04 941 32 Figure 2 7 1 Pull out the cover With the instrument top cover closed open the printer cover Press strongly each side of the plastic base and pull the cover up to remove it Figure 2 7 2 Pull out the printer block Inside the instrument top cover opened Unplug 2 flat cable connectors after unlocking them to Remove the 4 hex spacers with a 5 mm pipe key Be careful to maintain the hex pipe in an upright position when unscrewing it Take note of the location of the 2 earth wires at the and spacers Take the entire printer block off IMPORTANT When returning the printer block to the factory for replacement make sure that it is sent back in totality i e metallic support electronic board and thermal printer still connected If any parts are missing the warranty becomes null and void MS4 SERVICE MANUAL LABORATOIRES M ELECTRONIC PARTS Figure 2 7 1 Figure 2 7 2 ks 4 SERVICE MANUAL 33 5 2 8 5 5 Notes Figure 2 8 1 Unlock the plastic cover Figure 2 8 2 Pull out the plastic drawer to extract fuses Figure 2 8 3 Take the fuses out check and replace them if necessary Warning These fuses do not blow without reason Either the power supply itself has a problem or another electronic part m
16. alfunction cause this anomaly Verify that the fuse rating current is of the correct value according to the voltage used in your country refer to the identifying sheet in the back cover of the machine 34 MS4 SERVICE MANUAL LABORATOIRES 5 Figure 2 8 1 Figure 2 8 2 Figure 2 8 3 ETT 1 m 1 54 SERVICE MANUAL 35 LABORATOIRES ELECTRONIC PARTS 2 9 CONNECTORS BOARD Figure 2 9 1 3 25 V supply connector Motors connector 4 3 Dispatch connection plug at rear Level sensors and switches connector 2 to Shows to remove order to take board apart although this is necessary The figure above shows the location and the function of the connectors 2 Shows the nuts to remove in order to unplug the motors connector at the back side of the connectors board MS LAB reference Connection board 3MS04 215 36 MS4 SERVICE MANUAL LABORATOIRES p gt c Kk 9 5 3 FLUIDIC PARTS FLUIDIC PARTS M 3 1 ABOUT FLUIDIC 5 Notes Unlike electronic parts some fluidic and mechanical parts need maintenance servicing from time to time If after dismantling the parts it is difficult to reconnect the fluidic tubes refer to the schematic drawing in the Principle Circuit chapter PRESENTATION To facili
17. ence Syringe set of O Ring for MS4 48 3MS04 905 MS4 SERVICE MANUAL Figure 3 4 4 Greasing the Lyse piston O Ring Take the O Ring of the Lyse piston and grease it with fingers Put the O Ring back into the bottom of the Lyse chamber Figure 3 4 5 Master O Ring replacement Take the old O Ring off from the master Diluent piston grease the new O Ring with the fingers and put it back Remove grease in excess with the finger Figure 3 4 6 Lyse and Sampling foot chambers Blood sampling O Ring and blood sampling Teflon foot ring location and expanded schematic view for detailed placement of these two parts Lyse piston O Ring placement LABORATOIRES M FLUIDIC 5 Figure 3 4 5 Figure 3 4 6 k WA TN WU ww dr La T ls i 54 SERVICE MANUAL 49 LABORATOIRES FLUIDIC 5 3 5 1 Notes Figure 3 5 1 Unlock the Sampling Block Remove the 4 hex spacers to unlock the block Figure 3 5 2 Take the Sampling Block out Ifthe Syringe Pump Block is already in place pull out the 2 needle tubes from the pump head fittings Gently pull the Sampling block out beginning by the top part in order to unplug the electrical connector MS LAB reference Plastic Sampling Block for MS4 3MS04 930B Sampling block Motor 3MS04 490N 5 SERVIC
18. itter connector Figure 2 1 3 Dismantle Amplifier board Remove the 4 hex spacers with a 5 pipe key Pull out the 4 Spring lock washers Figure 2 1 4 Take the amplifier board out IMPORTANT All settings are factory made Never change the gain setting The gain setting must be changed only under technical software and Pulse Cell Generator Offset setting can be controlled under technical software Probe setting must be adjusted under technical software control after the board replacement MS LAB reference Amplifier Board 3MS04 241 14 MS4 SERVICE MANUAL LABORATOIRES ELECTRONIC PARTS Figure 2 1 1 Figure 2 1 2 ee 1 inccr a 2 MS SERVICE MANUAL Y 15 ELECTRONIC PARTS 2 2 INTERNAL PARTS ACCESS Notes To access electronic or mechanical internal parts it is necessary to remove the external covers Figure 2 2 1 Right side cover With the device closed remove the Pozidriv Countersunk head screw underneath the instrument Open the device top cover Remove the two Pozidriv Countersunk Head screws on the side Figure 2 2 1 Backside cover beginning Remove the two Pozidriv Countersunk Head screws on the side Close the device top cover Figure 2 2 2 Backside cover ending Remove the three Pozidriv Pan Head screws Pull out the bottom of the backside cover and take it off
19. k by lifting it up and pulling it towards the rear 20 54 SERVICE MANUAL LABORATOIRES K ELECTRONIC 5 Figure 2 3 5 DM HN DV 4124 T p in 4 1 E 1 LI CAR 1 1 ya ee i i MS4 SERVICE MANUAL 21 LABORATOIRES ELECTRONIC PARTS X 2 4 FAN REPLACEMENT Notes MS LAB reference Fan for 54 3 504 652 22 The replacement of the fan is easier when the mother board is removed Figure 2 4 1 Unlock the Air flow guide Unplug the electrical connector of the fan Pullthe head of the two Plastic Snap Rivets to release them A flat blade screwdriver will make it easier to release Figure 2 4 2 Pull out the Air flow guide Figure 2 4 3 Unlock the fan Underneath the instrument pull the head of the four Plastic Snap Rivets to release them A flat blade screwdriver will make it easier to release The fan is ready to be removed Note to use the Plastic Snap Rivets again put first the body in place on the hole then place the head in place and press it to lock MS4 SERVICE MANUAL LABORATOIRES 5 Figure 2 4 1 Figure 2 4 2 Figure 2 4 3 54 SERVICE MANUAL 23 LABORATOIRES 5 2 5 POWER SUPPLY 1 Notes In order to take the switching power supply out the mother board block must be remo
20. me around 10 000 cycles the syringe pump head mustbe greased and the O Ring used to seal off each Piston must be changed First dismantle the Pump Head from the Pump Block Figure 3 3 1 Remove the tubes to Pull out the 3 tubes from the fittings 2 Remove the 2 nuts Pipe Key Hex 9 in order to remove the 2 level sensor cable Diluent and Lyse respectively Figure 3 3 2 Unlock the two stepper motors With a 3 mm Hexagon Key give the located screws a counterclockwise half turn then rotate the motors to move the gear wheels away form the rack Figure 3 3 3 Take the bottom switch off Remove the two screws with a Flat blade screwdriver Figure 3 3 4 Unlock the syringe pump head to Remove the 3 Hexagon socket head screws and 3 Plain washers 42 MS4 SERVICE MANUAL LABORATOIRES FLUIDIC 5 Figure 3 3 1 Figure 3 3 2 Figure 3 3 3 Figure 3 3 4 54 SERVICE MANUAL 43 LABORATOIRES FLUIDIC 5 K SYRINGE HEAD 2 Notes Figure 3 3 5 Take the pump head Pull out the pump head from the frame Figure 3 3 6 Take the locking plate off 0 to Remove the 4 Hexagon socket head screws Figure 3 3 7 Pull out the Pistons D Remove the entire Syringe piston from the pump head by pulling the bottom black plastic part 2 Only if necessary remove the Air piston by pulling the toothed
21. needle and when drops of blood or Diluent are splashed around the needle The following steps must be taken Figure 3 7 2 Use the thinnest possible abrasive paper Figure 3 7 3 Polish the needle using downward vertical strokes only as shown Do not use rotating or upward strokes which could destroy the vertical scored surface of the needle Figure 3 7 4 Then clean the needle properly with soft cloth and a little alcohol methylated spirits 58 MS4 SERVICE MANUAL LABORATOIRES FLUIDIC 5 Figure 3 7 2 Figure 3 7 3 Figure 3 7 4 MS4 SERVICE MANUAL 59 LABORATOIRES FLUIDIC 5 K 3 8 CARRIER BLOCK 1 Notes Figure 3 8 1 To begin unlocking the Carrier Block 2 Pull out the 2 screws underneath the device Figure 3 8 2 Remove the fixing screw of the dilutor This one can be placed on one s side of the carrier block To finishing unlocking the Carrier Block Pull out the 2 screws in front of the device Notice that the 4 dilutor block screws are Self Tapping Pan Head Screws Figure 3 8 3 Extract the Carrier Block Gently pull the Carrier Block out as shown by the arrow in Figure 3 8 3 shift it from left to right The electrical connector located at the bottom will be disconnected Note for reassembly When remounting the Carrier Block must be inserted gently into the connector DO NOT FORCE In case of difficulty to plug the block into the 9 pin connector
22. pply Take note of the location of the earth wire on the upper screw in the figure 2 5 7 Figure 2 5 8 Extract the power supply from the machine IMPORTANT When returning the switching power supply in the factory for replacement make sure that it is sent back with all its accessories i e wire nuts screwed and front cover screwed If any screws or parts are missing the warranty becomes null and void 54 SERVICE MANUAL LABORATOIRES 5 Figure 2 5 6 Figure 2 5 11 SS s re kas k mr MS4 SERVICE MANUAL 29 LABORATOIRES ELECTRONIC PARTS X 2 6 DISPLAY BOARD Notes MS LAB reference Front Cover Display 3 504 964 Display Board Keyboard block 30 3MS04 945 Figure 2 6 1 Pull the display board cover out Unlock and unplug the flat cable connector from the printer block to Remove the 4 Pozidriv Countersunk Head Screws located at each corner of the cover Take note of the location of the earth wire on the bottom right hand screw While supporting the block on the external side of the instrument plastic cover take the display block cover off Figure 2 6 2 Take the display board off Pull the whole display block outside of the plastic cover MS4 SERVICE MANUAL LABORATOIRES 5 Figure 2 6 1 L Figure 3 6 2 MS4 SERVICE MANUAL 31 LABORATOIRES ELEC
23. should snap easily into place this time 54 54 SERVICE MANUAL LABORATOIRES M FLUIDIC PARTS Figure 3 6 1 Figure 3 6 2 Figure 3 6 3 Figure 3 6 4 Figure 3 6 5 Figure 3 6 6 MS4 SERVICE MANUAL 55 LABORATOIRES FLUIDIC PARTS X 3 7 NEEDLE MAINTENANCE 1 Notes MS LAB reference Sampling Needle for 54 3 504 932 56 MS4 SERVICE MANUAL The sampling needle is detailed as follows The tilted steel tube to which a silicone tube is connected washes needle externally and allows the dilution to be first prepared with the Diluent When the tilting steel tube is used the Diluent exits the needle and flows around the outside The Diluent is guided by the scored surface 8 of the needle The internal part of the needle is linked to the vertical tube which enables the blood to be aspirated and flushed back to the different dilution chambers for dilution The thin internal part of the needle also permits a better mixing of the dilution LABORATOIRES K FLUIDIC 5 Figure 3 7 1 gt 2 4 MS4 SERVICE MANUAL 57 LABORATOIRES FLUIDIC 5 NEEDLE MAINTENANCE 2 Notes The whole blood sampling needle needs cleaning when the external washing of the needle is not perfect This happens when the external flow of Diluent does not fall correctly outside the
24. tate the comprehension of the following chapters the photo opposite of the open device shows the location of the main blocks of the machine which are described in detail later The Measuring Block which includes the Valves and the Measuring chamber The Measuring Chamber protected by a cover which includes the Photometer The Syringe Pump Block The Sampling Block The Carrier Block with the Dilutor The Expansion Chamber 2 Fluidic connector 38 MS4 SERVICE MANUAL LABORATOIRES FLUIDIC 5 Figure 3 1 1 54 SERVICE MANUAL 39 LABORATOIRES FLUIDIC PARTS 3 2 SYRINGE PUMP BLOCK Notes Figure 3 2 1 Take mechanism covers off Move the dilutor carrier to the extreme right Remove the 2 screws on bottom cover and take it off Remove the 2 screws on top cover and take it off Figure 3 2 2 Unplug tubes to Unplug the 7 tubes at the locations shown the figure Figure 3 2 3 Unlock syringe block to Remove 3 hex spacers Figure 3 2 4 Take off the syringe block Pull out gently to disconnect the upper and lower connectors and extract the block MS LAB reference Syringe Pump for MS4 3 504 920 Syringe Pump Motor 3 504 4095 Air Pump Motor 3MS04 409A 40 MS4 SERVICE MANUAL LABORATOIRES FLUIDIC 5 lam 2 SERVICE MANUAL FLUIDIC 5 K 3 3 SYRINGE PUMP HEAD 1 Notes From time to ti
25. ube from the valve of the measuring block Figure 3 11 3 Unplug the crystal tubes to 6 Unplug the 4 tubes from the Pump block Figure 3 11 4 Removing the Fluidic Connector D Unscrew the 2 Hexagon socket head cap screws one turn move the fluidic connector to the right and lift it Keep the crystal tubes connected to the Metallic Fluidic Block MS4 SERVICE MANUAL LABORATOIRES K FLUIDIC 5 Figure 3 11 1 Figure 3 11 2 Figure 3 11 3 MS4 SERVICE MANUAL 71 LABORATOIRES FLUIDIC 5 K MEASURING BLOCK 2 Notes Figure 3 11 5 Unplug the valves power connector Pull out the connector accessible from the left side ofthe instrument as shown by arrow Figure 3 11 6 Take the Measuring Block off Remove the 4 Hexagon socket head cap screws in front of the Block and pull the entire block out from the Instrument Figure 3 11 7 Take a valve apart Remove the connector board behind the valves Use a flat blade screwdriver lever to disconnect it as shown in the picture the tip of the screwdriver must always stay on the valve never on the printed circuit board Figure3 11 8 Removing the valve Remove the 2 screws located on each side of the valve and extract it for replacement Tubes must be unplugged before MS LAB reference Solenoid Valve 2 Way 3 509450 solenoid Valve 3 Way 3 509 451 72 MS4 SERVICE MANUAL LABORATOIRES M FLUIDIC 5
26. ved first Figures 2 5 1 2 5 2 Take off the front cover Remove the 4 Countersunk head cross screws located at each side of the power supply Pull out the front cover Notice On some power supplies the font cover can be held in place by a simple Slotted countersunk head screw which can be removed with a flat screwdriver MS LAB reference Power supply for MS4 3MS04 233 24 MS4 SERVICE MANUAL LABORATOIRES Figure 2 5 1 Figure 2 5 2 54 SERVICE MANUAL LABORATOIRES ELECTRONIC 5 25 5 POWER SUPPLY 2 Notes Figure 2 5 3 Unplug the power out connector This connector is a little bit difficult to disconnect A flat blade screwdriver will make it easier to unplug Figure 2 5 4 Unplug the power out wires Remove the two screws with a Pozidriv screwdriver and pull out the nuts to disconnect the wires Remember that the Red cable is connected on the left and the Black cable to the right Figure 2 5 5 Unplug the power in connector A flat blade screwdriver will make it easier to unplug 26 MS4 SERVICE MANUAL LABORATOIRES NL ELECTRONIC PARTS Figure 2 5 3 Figure 2 5 4 E Figure 2 5 5 MS4 SERVICE MANUAL 27 LABORATOIRES 5 Notes 28 X POWER SUPPLY 3 Figures 2 5 6 2 5 7 Pull the power supply out Remove the 4 Pozidriv Pan Head screws located at each side of the power su

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