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repair service manual color video gi scope 90k series ec

1. Insertion Flex Tube Staycoil Fig 4 1 1 Pe Insertion Op Channel Flex Tube EC3890Ks ul ai m B0246 Tube Forming Rod Using straight end EG2990K ppp B0312 Tube Forming Rod B0309 Using straight end Fig 4 1 2 EC3890Ks ST 4830 EG2990K ST 4832 II 90K series 4 CONTROL BODY PART ASSEMBLY 3 Biopsy Inlet T piece and FWD Body Frame connection Note Keep the bending section amp Insertion Flex Tube neutral and straight 1 Wipe the pipe of the Biopsy Inlet T piece A BO241 with E M solution damped tissue paper and place it into the FWD Body Frame B0171 as shown in Fig 4 1 3 2 Connect and push A B0241 into Operation Channel until the face of it touches the end of the Operation Channel keeping 45 between Up and Right direction of Insertion Flex Tube 3 Make a mark on Operation Channel to monitor unexpected rotation A B0241 ie LL LLLLLLLLL LA eS M N NN NN NN NN TILLPOLILLLLL LL LLL f III III NN NN NN NN NN NN zie NN NN ANNAN NANA NN AN B0171 Fig 4 1 3 For EC3890Ks only 4 Apply Silicone Sealant SS 1 RM2001 on Operation Channel Using Special Tool ST 2311 attach Channel Retaining Coil B0246 pushing and turning it until about Ipitch turn of Channel Dich IE SS 1 Retain
2. C0033 C0034 on the Suction Nipple c Place the Suction Nipple into the LG Suction J piece its key way and put a mark on the Suction Nipple to monitor unexpected rotation d Apply G MI7 to O Ring C0054 on Suction Nipple Attaching Nut A C0041 Fig 5 4 3 e Apply thin coat of silicone sealant SS 6 RM2006 to the screw threads of A C0041 f Using Special Tool ST 3133 tighten A C0041 adequately g Check the mark and height of A C0041 h Remove the mark and wipe off the excessive SS 6 Rotated mark Correct position Incorrect position Fig 5 4 4 3 Air Water Socket A C0061 installation a Apply G M17 on O Ring C0062 b Apply thin coat of SS 6 to the screw threads of Air Water Socket c Using Special Tool ST 3163 tighten A C0041 Air Water Socket adequately d Wipe off the excessive SS 6 2 2 Jet Socket A C0081 installation a Apply SLOH to O Ring C0082 C0083 of A C0081 b Apply thin coat of SS 6 to the screw threads of A C0081 c Using ST 3133 tighten A C0081 adequately Fig 5 4 5 d Wipe off the excessive SS 6 4 Using ST 3161 tighten up LG Connector Housing Attaching Nut C0111 C0031 C0061 s 90K series 5 LIGHT GUIDE PART ASSEMBLY 5 ETO Valve Assy A C0244 installation a b c d e Apply G M17 to the O Ring C0245 of the ETO Valve Assy Apply small amount of silicone sealant SS 5 RM2005 into three screwed holes of A C0244 This 1s to
3. EO a soldering iron Then determine the position where the specified Fa aera Pre compression is attained after Staycoil Collar A0046 was set in ae 2 gt Staycoil Holder Bracket B0291 om B0291 B0291 Caution While applying heat do not bend Staycoil otherwise the solder will i Fig 4 2 1 flow into the coil and ruin the parts Apply heat enough to fully gasify the liquid flux 4 CNS2x2 Note When Staycoil Collar and or Staycoil Assy are replaced with new use SS FLX to B0292 zu N soldering the Staycoil Collar onto the Staycoil Assy c Using warm water damped tissue paper clean the residual SPT SS FLX on the soldered area and all places around to prevent corrosion 3 Attach BO291 with 2 screws CNS2x4 applying Screw Lock SLK R RM1204 on the screw thread 4 Place 4 Staycoils in their respective position of Staycoil Holder Bracket 5 Attach Staycoil Bracket Cover B0292 with 4 screws CNS2x2 applying SLK R on the screw thread 2 Angle Wire Connection Pre tension of Angle Wire Up Down Right Left 0 mm Common among GI scopes 1 R L Angle wire connection a Straighten the IFT and the bending section b Set the RL Knob to the neutral and lock with the RL Lock Knob as shown in Fig 4 2 3 c Wipe off the Angle wires with E M solution damped tissue paper d Place 2 Adjusting screw A0044 on the Right Left angle wires e Pull the connecting receptacles of the R L pully assy A B0481
4. prevent cement migration into the thread which makes disassembly difficult Apply cement CMT 2 RM1003 to the ETO Valve Assy and EOG Valve Attaching Nut C0113 as shown in Fig 5 4 6 Caution Cement on the surface of C0113 should be minimum just enough to smear surface Install C0113 onto the Attaching Base with aligning the screw holes Keeping the position of lock pin of A CO244 for EOG Cap inward as shown in figures below install it into the Attaching Base Caution Do not turn EOG Valve after it has entered the bore Tighten 3 EOG Valve Tightening Screws C0114 and apply a good amount of SS 5 onto the screw head and flatten the surface EOG VALVE ATTACHING BASE C0113 CO114 3 N I A C0244 pply 1 1 Cement CMT 2 RM1003 ETO Valve Assy Cementing Area Fig 5 4 6 3 LG Root Brace Rubber C0131 attachment 1 2 3 4 Place X Ring C0014 on the groove of attaching collar Apply G M17 on O Ring C0015 and X Ring C0014 Apply thin coat of SS 6 to the screw threads for LG Root Brace Rubber witch will be acting as corrosion protection Attach Root Brace Rubber to LG Cable Connector Assy 4 Cure LG Cable Connector Assembly at room temperature for 6 hours or cure it at 60 C for 1 hour under the Infra Red lamp 38 90K series 6 BODY COVER ASSEMBLY 6 1 SIDE COVER AND JUNCTION CASE ATTACHMENT Exploded View DW42B006 Special Tools ST 3206 Materials RM2005 RM2006 RM3115
5. 7 1 5 Apply G M18 to inner wall of the UD Friction Drum B0117 and place B0117 on BO115 Apply G M18 to the thread of the UD Lock Adjusting Ring B0116 and place B0116 on B0117 Turn B0116 clockwise so that B0116 is engaged to A BO110 Tighten 3 screws ST1 7x3 on B0116 temporarily 90K series 7 SUB ASSEMBLY 5 UD Knob assembling Note Perform if the UD Knob B0120 was disconnected from UD Knob shaft A BO118 1 Apply G MI7 to O Ring B0119 on A B0118 and engage B0120 to A BO118 proper direction as shown in Fig 7 1 6 Note Take care not to cut the O Ring B0119 when attaching A BOI1S to BO120 2 Apply SS 6 to the thread of the UD Knob Retaining Nut A B0121 3 Using ST 3210 tighten A B0121 to A BO118 Fig 7 1 7 4 Wipe off the excessive SS 6 IPA damped tissue paper A B0121 ST 3210 6 U D Lock adjustment 1 Pull the UD Pulley wire and set it evenly Fig 7 1 8 2 Apply G MI7 to O Ring B0109 on the A B0108 and engage the UD Knob assembly to the Control Body 3 Turn A B0103 to the lock side and check the degree of the friction by turning of the UD Knob if the degree of the friction is not adequate perform following procedure 4 Disconnect the UD Knob assembly and loose 3 screws ST1 7x3 on BO116 To increase degree of the friction Turn B0116 clockwise To reduce degree of the friction Turn B0116 counterclockwise Engage UD Knob assembly and check the degree of the friction while
6. AC Wall Outlet Above shows the case for 120Vac S IN Leakage Current Tester 4 Insertion tube leakage current measurement Put Inserion Flex Tube in the water Then reading must be as follows Note Keep your hands off from the scope during the test 50 u A or less Metallic part leakage current Disconnect Probe from the dip wire and connect Probe to the metallic part of the scope appearing externally such as Biopsy Inlet FE terminal on LG plug and so on 50 u A or less c Alternative method to measure ImA gt 1uA en F D Instead of Leakage current tester connect a IK Q resistor shunted by a film capacitor 0 15 u F 2 Connect a battery powered DVM set at ACmV mode across the above resister Battery operated DVM 3 1mV reading corresponds to 1 u A BOE 90K series 8 INSPECTION 4 Dielectric Strength Test During this test high voltage is present Pay utmost care to avoid fatal electric shock hazard This test procedures are intended for execution by trained personnel For handling of Test device refer to Operating manual of your device Keep general rules for electrical safety Condition for performing this test When following parts was exchanged perform this test a Distal end Assy b CCD Module In the distal body a Devices D Atub with water 2 Dielectric strength tester 500V 50 60Hz with a 5mA threshold detector 3 Test connector ST 4903 Note When the warn
7. Connector Assy with 4 Screws CNM2x2 8 applying Screw Lock SLK R RM1204 on the head of Screw Remove LCB from Light Guide Prong Attach Ring Core P0054 to the Electrical Connector Assy A P0023 Fig 5 2 6 Connect 2 connectors of A P0023 to the PCB Bind CCD Signal Cable and Remote Control Wire around 2 P0032 2 turns winding 1 times Place the EMI Cores on the LG Connector and attach Core Holding Plate C0116 with 2 Screws CNM2x2 8 applying SLK R on the head of screws Fasten 2 EMI Cores with 4 Screws ST1 7x2 and apply SLK R on the head of Screws Fix P0054 to the Electrical Connector Assy by a Nylon tie band Fig 5 2 6 A CNM2x2 8 Open P0032 90K series 5 LIGHT GUIDE PART ASSEMBLY 5 3 LCB amp LG COVER GLASS ATTACHMENT Exploded View DW42C003 Special Tools Materials RM2005 RM2006 RM3115 Procedures 1 LCB attaching to LG Cable Connector 1 Clean the Inside metal pipe of Glass Rod Assy A F0020 Around of metal pipe of the LCB and Surface of the LCB 2 Appl small amount of silicone sealant SS 6 RM2006 on the around of metal pipe of the LCB as shown in Fig 5 3 1 3 Install LCB into the pipe of Glass Rod Assy until it touches a glass rod 4 Fasten LCB by LCB Set Screw F0023 and apply Silicone Sealant SS 6 on the head of screw Then remove excess sealant 5 Clean the surface of Glass Rod Assy 6 Install LCB with Glass Rod Assy into the Light Guide Prong until its en
8. RM3116 Procedures 1 Side Body Cover A BO211 connection 1 Apply grease G M16 RM3116 to the Control body and O Ring Special for Side Cover B0212 of the Side Body Cover A B0211 Fig 6 1 1 2 Apply Silicone sealant SS 6 RM2006 to A B0211 as shown in Fig 6 1 2 and Fig 6 1 3 Apply G M18 Apply SS 6 a wa Fig 6 1 2 Fig 6 1 3 3 Hook A B0211 at the Light Guide Cable side to the Control Body Fig 6 1 4 4 Push A B0211 at the A W Valve side until a click 1s felt Fig 6 1 5 Note Do NOT push A B0211 forcibly 5 While pulling up A B0211at the Light Guide Cable side push A BO211 at the A W Valve side in the Control Body Fig 6 1 6 6 Push A BO21 lat the Light Guide side again so that A BO211 fitted into the Control Body Fig 6 1 5 Fig 6 1 6 39 90K series 6 BODY COVER ASSEMBLY 7 Apply G M17 to the O Ring B0307 and apply SS 6 to the thread of the Light Guide Column A B0306 8 Apply G M17 to the O Ring B0182 of the Side Cover Retaining Nut A BO181 9 Using ST 3206 tighten A B0181 to A B0211 10 Apply SS 6 to the thread of A B0181 and attach the Root Brace Rubber LG Body B0308 11 Wipe off excessive SS 6 and G M17 with IPA damped tissue paper dJ l m iB ie Fig 6 1 8 Fig 6 1 9 Fig 6 1 10 40 90K series 6 BODY COVER ASSEMBLY 6 2 BODY COVER GRIP ATTACHMENT Exploded View DW42B001 DW42B007 Special Tools ST 2375 ST 3126 ST 3165 ST 3207 ST 3209 Ma
9. and Retaining Coils Move the Retaining Collar toward the Water Jet Junction Pipe A B0281 and disconnect the Watere Jet Tube 2 GUIDE FOR DISASSEMBLY B0313 EC BO311 EG B0311 EC B0310 EG Fig 2 11 Remove screw CNS2x2 5 remove the GND Lug Pltae P0018 from the Control Body Remove the GND wires from POO18 Attach the Body Cover Grip B0298 and set the Control Body to ST 2375 as shown in Fig 2 12 While holding B0298 loosen the Insertion Tube Attaching Nut A0058 Remove ST 2375 from the scope and detach B0298 form the Control Body Put the O Ring B0173 back to the FWD Body Frame 2 B0172 Using ST 3209 unscrew A0058 and separate the IFT from the FWD Boby Frame Note It is not necessary to remove the Root Brace Rubber Fig 2 12 10 FWD Body Frame Root Brace Rubber Fig 2 13 90K series 2 GUIDE FOR DISASSEMBLY 12 Biopsy Inlet T piece disconnection For EC3890Ks a Using ST 2311 turn and remove the Channel Retaining Coil B0309 b Disconnect the Biopsy Inlet T piece A B0241 from the Operation Channel c Remove A B0241 form the Control Body and remove B0309 form the Operation Channel For EG2990K a Using ST 2311 turn and remove the Op Channel Retaining Nut B0312 and disconnect Op Channel Retaining Collar B0309 b Disconnect the Biopsy Inlet T piece A B0241 from the Operation Channel c Remove A B0241 from the Control Body and remove B0309 and B031
10. position as shown in Fig 7 1 17 Apply G M17 to O Rings B0137 B0138 on A B0135 and place A B0135 on the B0134 Attach a Lock washer LW 28 to the Pivot for Control Knob B0072 Place the RL Lock Knob B0138 on A BO135 in the correct position Apply Silicone Sealant SS 6 RM2000 to the whole thread of the RL Lock knob Retaining Nut B0139 While holding RL Lock Knob tighten B0139 adequately by using ST 3192 1 Caution Pivot of the Control Knob may be twisted if it is tightening too much above Nut Apply Silicone Sealant SS 6 to the back of the RL Lock Knob Retaining Nut Cover B0140 Attach B0140 on B0139 and wipe off the excessive SS 6 using IPA damped tissue paper Z B0139 ST 3192 1 SS 67 B0138 PB eo 7 Qt Fig 7 1 17 Fig 7 1 18 _ Ag 90K series 7 SUB ASSEMBLY 7 2 DISTAL END ASSY WITH TUBES REPLACEMENT Exploded View DW42A005 DW42A007 Special Tools ST 2699 ST 2711 ST 2718 ST 2724 Materials RM2005 RM2006 RM8200 Procedures Dismounting 1 Dismounting LCB Note Take utmost care not to slip off the silicone sheath and or Flat spiral coil of the LCB If slip them off the LCB need to replace to new one a Remove silicone sealant on the back face of the Distal Body as much as possible b Loosen 2 LCB Attaching Screw A0025 on the Distal Body c Turn the LCB metal pipe with small jaw pliers having a recess that fits the pipe Note Never use normal jaw pliers if LCB is going to be use
11. shock hazard be sure to keep hands off from Scope Water tab test leads and any electrically conductive material that touches the scope Reduce test voltage to OV and turn off Test Switch 2 Operation test with Processor Note Check with EPK i 1 Image Check Check for Color Sharpness noise 2 Image orientation Check for Correct image traveling on the monitor 3 All control buttons Check for proper function 4 Zoom lever Check zoom in and zoom out when turn the Zoom lever 5 Aur Water feeding button Check for Normal feeding 3 Cleaning Drain water from all Tubes 2 Wipe entire scope and make sure there is no MLK Grease etc Note Do not use any Solvent except Methanol Ethanol 4 Repair Record Leave your records in a written form to enable repair history tracing afterward 2 s 90K series 8 INSPECTION 8 2 HOW TO USE WATER LEAK TESTER Vacuum Test Vacuum Release Button Flush type in Old Unit ___ Vacuum Regulator Adjusting Knob NC ee Dh gt To Vacuum Pump 27 A ST 1101 ST 1102 15 17 19 ST 1103 27 28 Test Port ST 1104 29 32 34 Ore dan ST 1105 38 D 34 ST 1106 23 24 ST 1107 7 9 10 ST 1108 36 1 Preparations Set up the tester with Water leak tester base ST 1101 Test port of adequate size ST 1102 1108 explained elsewhere Water bottle and a vacuum pump Also prepare tubings 2 Test Note Test vacuum is 26 6kPa 20cmHg Do not exceed max of 3
12. the Right and Left angle wires from the Pulley wire 8 Remove 4 screws CNS2x2 disconnect the Staycoil Bracket Cover B0292 9 Remove 2 screws CNS2x4 disconnect the Staycoil Holder Bracket B0291 3 Side Body Cover disconnection 1 2 3 Unscrew the Root Brace Rubber LG Body B0308 2 GUIDE FOR DISASSEMBLY Using ST 3206 unscrew the Side Cover Retaining Nut A B0181 Pull up the Side Body Cover A B0211 at the Light Guide Cable side and disconnect A B0211 from the Control Body Fig 2 5 4 LG Cable Connector Housing disconnection Fig 2 6 1 2 3 4 5 6 7 8 Unscrew the LG Root Brace Rubber C0131 Remove 3 ETO Valve Tightenning Screws C0114 Using ST 2372 disconnet the ETO Valve Assy A C0244 Remove the EOG Valve Attaching Nut C0113 Using ST 3133 unscrew the Jet Socket A C0081 Using ST 3133 unscrew the Suction Nipple Attaching Nut A C0041 and disconnect the Suction Nipple A C0031 Using ST 3163 unscrew the Air Water Socket A C0061 Remove X Ring C0014 from the attaching collar to the Light Guide Cable in order to prevent cutting it E C0114 3 A C0244 AO lt Y ay ia A ii A C0031 A C0081 5 Fig 2 6 90K series 2 GUIDE FOR DISASSEMBLY 9 10 11 12 Using ST 3161 unscrew the LG Connector Housing Attaching Nut C0111 Move the LG Connector Housing A C0001 on the Light Guide Cable Unsolder or cut GND
13. with a soldering iron Caution While applying heat do not bend Staycoil otherwise solder will flow into Saved apple Soldes the coil and ruin the parts with SS Flux Note Keep Insertion Flex Tube straight and neutral b Place Staycoil Collars A0046 on the staycoil A0046 ith SS Flux c Flow a little solder using a small amount of SS FLX at the shown point with a soldering iron Staycoil gt 2 gt 3mm Caution While applying heat do not bend Staycoil as in above 3 a Apply heat enough to fully gasify the liquid flux me d Using warm water or E M solution damped tissue paper clean the residual SS FLX on the soldered area and all places around to prevent corrosion 2 Setting of staycoil position 1 Attach Staycoil Holder on the exit of Insertion Flex Tube 2 Insert the Staycoil separator into Insertion Flex Tube aligning its grooves with the staycoils Note Do not twist and handle forcibly on the way Holder Separator If its position is once lost advance until it appears from the EC3890Ks ST 2246 ST 2214 other end Then disconnect Head and perform again EG2990K ST 2241 ST 2212 If any hardness is felt stop and check the cause 3 Stop the separator when it has half way outed and retain Staycoils with Staycoil Holder Caution If the separator head has fully outed by mistake and its position was lost do not attempt to pull it backward At which time disconnect head and perform agai
14. 2 5 4 ST 3163 Spanner Skt Suc Nple PVE 30 40 2 5 4 ST 3165 1 Spanner B Inlet Barrel PVE 30 40 IMP 1 2 6 2 ST 3192 1 Spanner RL Lock Knob Nut 7 1 ST 3204 Spanner R C Button Case Nut 90 ST 3205 Spanner Control body Lid 90 7 1 ST 3206 Spanner Side Cover Retaining Nut 2 6 1 ST 3207 Spanner Body Cover Grip Attaching Nut 90 2 6 2 ST 3208 Spanner R C Button Attaching Nut 90 ST 3209 Spanner IFT Attaching Nut 2 4 1 6 2 ST 3210 Spanner UD Knob Retaining Nut 7 1 ST 3900 Spanner Grip Handle 60 90K series TOOL No ST 4024 ST 4027 ST 4211 ST 4212 ST 4812 ST 4830 ST 4832 ST 4833 ST 4903 DESCRIPTION B Channel Work Shaft 3 6mm Diam B Channel Work Shaft 2 6MM RBR Separater 29Fr RBR Separater 38Fr Tube Forming Rod 3 1 Tube Forming Rod 5 0 Tube Forming Rod 3 8 Tube Forming Rod 5 8 Test Connector K AK I 61 9 APPENDIX POSITION OF USE INDEX in MANUAL 3 3 3 3 2 2 4 3 5 1 4 1 4 1 4375 1 8 1
15. 2 from the Operation Channel 13 Pull out the LCB and CCD Signal wire from the Control Body and remove the Control Body from the IFT EC3890Ks EG2990K A0058 Lo 9 A B0241 B0171 U Jur EEE KKK SS uem rar M E SER EUR ENSE E ME veter m M DEN E ERE TR ji Root Brace Rubber Fig 2 14 8 Separation of Distal End Assv from Insertion Tube with Segment Perform the process below if Insertion Flex Tube can be reused 1 Install an adequate sheath on Insertion Flex Tube and Root Brace Rubber and fix it with tape at the both ends to protect from smearing with MK Powder MLY RM3203 Bending portion Root Brace Rubber A0058 aranna ee a Cq Ve Distal Body Adhesive tape Protection Sheath Adhesive tape Fig 2 15 2 Removing of Bending Rubber at the bending portion Note When cutting Bending Rubber binding thread with razor blade take care not to cut external sheath of Insertion Tube under the Bending Rubber Take care not to cut Steel Braid on Segment a Protect Distal Body from smearing with MK Powder MLY RM3203 by covering with adhesive tape b Using razor blade cut off black glue and binding threads on the end of Bending Rubber Note Take cares not to cut Insertion Flex Tube surface and or Steel Braid on the segment area both are just underneath the rubber c Using scissors cut open Bending Rubber Note Do not cut Steel Braid just underneath 3 Separation of Distal End Assy from Insertion Flex Tu
16. 2375 ST 3126 ST 3133 ST 3161 ST 3163 ST 3165 1 ST 3206 ST 3207 ST 3209 ST 4211 ST 4212 Materials Procedures 1 Body Cover Grip disconnection 1 Using ST 3126 unscrew the Biopsy Inlet Piece Attaching Nut A B0441 2 Using ST 3165 unscrew the Biopsy Inlet Barrel A B0251 3 Unscrew the Rubber Trim Collar B0305 by hand 4 Using ST 3207 unscrew the FWD Body Trim Cover Attaching Nut B0297 5 Remove the FWD Body Trim Cover Attaching Nut B0297 and Spacer B0303 6 Disconnect the FWD Body Trim Collar B0302 and Colored Ring B0301 from the Body Cover Grip 7 Disconnect the Joint Seal Ring A B0299 8 Remove the O Ring B0173 on the FWD Body Frame 2 B0172 9 Depressing the Biopsy Inlet T piece A B0241 disconnect the Body Cover Grip B0298 T 312 S_A BO441 ST3165 _w A B0251 B0305 B0305 Fig 2 1 Fig 2 2 2 Angle wire and Staycoil disconnection CNS2x3 1 Remove screw CNS2x3 disconnect the Screw Retaining Plate B0042 2 Remove 3 screws CNM2x4 w Washer disconnect the Guide Cover Plate B0295 3 Disconnect the U stopper Assy and D stopper Assy 4 While holding the Adjusting screw A0044 of the Angle wire unscrew the Connecting receptacle of the Pulley wire so that the Angle wire is disconnected from the Pulley wire 90K series 5 Remove 2 screws CSM2x6 disconnect the Intermediate Plate B0294 6 Disconnect the L stopper Assy and D stopper Assy 7 Disconnect
17. 3 25kPa 25cmHg otherwise Bending Rubber will expand too much If controllable vacuum pump is used set regulator at 33 25kPa 25cmHg as safety valve 1 Connect Vacuum pump to the suction pipe of Test port Seal rubber inside will be pulled to increase its bore 2 Pass the insertion tube through Test port and immerse in the water 3 Disconnect vacuum from Test port Seal rubber will fit around the insertion tube 4 Turn the adjusting knob of the regulator C C W as an initial set 5 Connect vacuum to the regulator 6 Turn the adjusting knob C W so that a reading of 26 6kPa 20cmHg is attained on the vacuum meter Note Vacuum can be quickly released by pressing release button on the regulator If reading fluctuates press the release button a few times to let regulator valve properly seated Do not exceed max vacuum 7 Check water leaks with Up Down Right Left angulation Note Take out the scope from Water leak tester if continuous rising air bubbles are present from the scope NOTES f seal rubber is broken any adequate Bending Rubber can be used as a seal for Test port When there is no item in Test port do not apply vacuum by plugging Test port with your palm or the like It will cause ballooning or splitting of the seal rubber 56 90K series 8 INSPECTION 8 3 AIR TIGHTNESS CHECK OF IMMERSIBLE SCOPE lt Device gt SHA P2 Leakage Tester Processor EPM3300 EPK700 and as such Light source LH150P L
18. 32 on the Light Guide Cable 7 Attach the Light Guide Cable to the LG Cable Attaching Frame with 3 CSS1 7x3 5 applying Screw Lock SLK R RM1204 on the thread AW ae oe CCD Signal Wire A EN P0009 GO P0019 30 90K series 5 LIGHT GUIDE PART ASSEMBLY 3 Preparation of connecting LG Cable Connector Assy A C0091 Set LG Connector Housing Attaching Nut C0111 and LG 18mm 1 2 3 4 5 4 Je 1 e 2 3 4 5 6 Cable Connector Housing A C0001 onto the Light Guide Cable before installing the LG Connector Assy Cut the Jet Supply Tube LG A C0161 A W Supply Tube LG A CO161 A C0027 comb ACOA A CO141 and Suction Channel LG A C0027 with a sharp 60mm razor blade at the length as shown in Fig 5 1 4 Heat straight end of Tube forming rod 3 1 ST 4812 with an Fig 5 1 4 alcohol lamp and push it into Supply Tube to the depth of 5mm Cool down both Supply Tubes and forming Rod with E M solution damped tissue paper and pull the Rod out Place the LG Connector Housing Attaching Nut C0111 and LG Cable Connector Housing A C0001 on the Light Guide Cable Supply Tube LG A C0161 connection Heat the Straight end of drill bit 2 1 with an alcohol lamp and push it into Water Jet Supply Tube to the depth of about 4 0 mm Cool down both Jet Tube and drill bit with E M solution damped tissue paper Place J Supply Tube Retaining Collar C0075 on
19. Attach the Colored Ring B0301 to B0298 so that one of the pawl of B0301 become up position as shown in Fig 6 2 5 90K series Black Note The color of BO301 for 90K seriese is different from the color of BO301 for 90i series Do NOT attach B0301 to B0296 in the incorrect position as shown in Fig 6 2 6 because Color of B0301 the Spacer B0303 can not place on the FWD Body Frame correctly a um g 1 euer f B0301 90K Black 90i White Fig 6 2 4 Fig 6 2 5 3 Attach the FWD Body Trim Collar B0302 to BO301 4 Place the Spacer B0303 on the FWD Body Frame so that the groove of B0303 is fitted to pawl of B0302 5 Using ST 3207 tighten the FWD Body Trim Cover Attaching Nut B0297 90K Black 90i White Fig 6 2 7 5 Root Brace Rubber attachment Note If the Insertion Flexible tube was replaced with new attach the Root Brace Rubber according to procedure below 1 Place the Root Brace Rubber A A0057 to the Insertion Tube Attaching Nut A0058 so that their slit and pawl are fitted And then turn the A A0057 90 degree in order to hook it to A0058 Fig 6 2 8 2 Apply SS 6 to the thread of A0058 about 1 3 of circumference and attach the Rubber Trim Collar B0305 by hand 3 Apply silicone sealant SS 5 RM2005 into the whole of A A0057 end and wipe off the excessive SS 5 with Isopropyl alcohol dumped tissue paper 4 Leave the scope about 6hrs to cure silicone sealant And then pe
20. B DSP7 is used 2 Newly designed LCB cover glasses are equipped 3 Newly designed Objective lens is equipped 2 Control Body 1 Control Body is newly designed in order to improve the operation of the scope 2 Angulation Knob mechanism and Angulation adjustment are different from 70K 80K series 3 Newly designed A W valve OF B188 is equipped 3 Light Guide Cable and Connector Assy 1 The structure is the same as 70K 80K scopes except that the size of supply tubes and cylinders 4 Specifications Model Name EC3890LK EC3890FK FK2 EC3890MK MK2 EG2990K ERE 90K series 1 GENERAL 1 2 GENERAL PRECAUTIONS FOR REPAIR 1 Insertion Tube 1 Make sure that there is no projection which may injure internal organ walls of the patient For this use the palm of your hand for lightly grasping and sliding over the insertion tube along entire length 2 The material of flexible tube sheath may react with solvents to any degree Principle method to scrub the surface is to use a soft detergent 3 Methanol or ethanol can be also used for scrubbing but bear in mind to avoid unnecessary extensive use 2 Segment and Angle wires These are key parts for deflecting function of the distal end portion Always make sure that nothing is wrong with them Even slight damage can be the cause of stuck during the procedure Make sure to rub MK Powder CMC RM3203 well on the angle wire surface to reduce the torque on control 3 CC
21. B0294 b Turn the Stopper Adjusting Screw B0222 of A BO221 and A B0232 so that the UD deflection become properly 9 Attach a Guide Cover Plate B0295 with 3 screw CNM2 0x4 0 W Washer SS WCNM2040 applying SLK R on the thread of the screws Fig 4 2 9 10 Align the slit of B0222 vertically and attach a Screw Retaining Plate B0042 with a screw CNS2x3 applying SLK R on the head of screw in order to prevent turning of B0222 CNS2X3 B0042 Aligned slits 7 EG2990K Fig 4 2 8 Fig 4 2 9 56 90K series 4 CONTROL BODY PART ASSEMBLY 4 3 AIR amp WATER TUBES CONNECTING Exploded View DW42B005 DW42B006 DW42B008 Special Tools ST 2315 ST 4812 ST 4833 Materials RM 1003 RM1024 RM2001 Procedures 1 Air and Water Tube connection Note For the following procedures keep IFT neutral and straight 1 2 3 4 5 6 7 Bring Air and Water tubes beside the metal pipe of A W Cylinder and cut them at the length as shown in Fig4 3 1 Heat the straight end of drill bit 1 8mm with an alcohol lamp and push it into Tubes to the depth of about 5 0 mm Cool down both Tubes and drill bit with E M solution damped tissue paper and pull drill bit out of the tube Place the appropriate Retaining Collar in the correct direction to the metal pipe of A W Cylinder Apply 1 1 Epoxy Cement CMT 2 RM 1003 on metal pipes and push Tubes onto the pipe Caution Push the tube until the metal pipe bottoms the en
22. D Charge Coupled Device CCD chip is fragile with static electricity and expensive in cost Handle it using discharging desk mat with a wrist strap Low leakage soldering iron designed for use with C MOSs must be used for soldering Basically replacement of CCD chip should be made in a unit as CCD Module with Drive PCB 4 Stainless steel Soldering Flux SS FLU X RM4110 This is widely used in the flexible endoscope repair but is a highly corrosive chemical containing strong acid When using it follow the rule of thumb shown below a Strictly distinguish from the general electrical purpose soldering paste and flux b Fully gasify by applying plenty heat when soldering not to leave the corrosive liquid inside c While soldering if necessary protect other near by parts from dispersing flux by covering them with a paper sheet d After soldering clean residues of the flux with lukewarm water to prevent corrosion of the parts afterward caused by the remaining acid 5 O Ring to seal Control body and Light Guide Connector a Each mating face appearing externally has an O Ring for Airtight seal Before assembly make sure that O Ring is free from cut scratch deformation and foreign matters on its surface b Be sure to lubricate O Ring with specified grease or silicone oil 6 Set screw a Any setscrew appearing externally is made of stainless steel having each part number Do not use standard setscrew as an alternative b Seal each set
23. D signal wire ends together to secure against static electricity damage 6 Cover the soldered CCD signal wire ends with a plastic tube for insulation 2 Insert the Distal End Assy with CCD Module into IFT in the following steps Note Do not handle the inside elements forcibly LCB is extremely fragile Cover Distal End with adhesive tape to prevent its smearing with MK Powder MLY RM3203 1 Fully dried MLY has to be prepared as lubricant Leave the container at 80 C with its lid opened at least 30 min 2 Find and mark Up direction on Distal Body protection tape Segment and Insertion Flex Tube respectively 3 Hold Distal Body on the working bench and set each AFT end of the inside elements using thin adhesive tape so that they are not slack and in the correct location with respect to the distal end arrangement through out entire length Ex Taping Op Channel to CCD Signal Wire Jet Tube to A W Tubes ES EC only gt A W Tubes to CCD Signal Wire gt LCB to CCD Signal Wire Length of elements Op Channel lt Jet Tube EC only lt AW Tubes lt LCB lt CCD Signal Wire Note Inside elements should be kept straight and not be entangled AU jii INN LCB to CCD Signal Wire AW Tubes to CCD Signal Wire Op Channel to CCD Signal Wire Fig 3 2 1 14 90K series 3 INSERTION PART ASSEMBLY 4 Using a thin plastic tube or the like attach LCB end to the guide wire at the entrance of Segment and pull it into Insertion
24. Flex Tube slowly until connecting plastic tube out from the other side of Insertion Flex Tube Note Inside element amp Staycoil should not be entangled in Insertion Flex Tube ae at Insertion Flex Tube Kipa a Pull O Qe a O0 Oorr l Lu Ss Me PRR RK KKK KY eS CON O0 Ommi BEE LCB Guide Wire U THI EE Staycoil Holder Segment Fig 3 2 2 5 Feed the inside elements into Segment watching correct location shown below until the distance in the table is left between Distal Body and the entrance of Segment Denn EG2990K EC3890LK EC3890FK FK2 EC3890MK MK2 6 Lay the inside elements straight on the working bench keeping a correct relative location Using a tea strainer sprinkle the inside elements with sufficient amount of MLY Note Use the dried MLY and take care not to get the foreign matters such as hard dust particles into MLY Tape to cover Up KENNE the surface of Up MLY distal body P C NON Le ING En AS am gt DD nn rr TS KKK KKK KKK KD JSS 25 2525050505050 0 5050525050 KA LLMACLL LH NI RRR P RR RK e POOOOOOOOLH XXX XXX 2 111114474 44 41 Zz 4 JO SS ip nn A ae d E Up Up CCD CCD Sienal Wire Signal Wire LCB AR LCB LCB J _LCB OD 2 Air Right ox Water Richt SE Water Op Channel AL Air Water Jet Op Channel Water Jet EG2990K EC3890Ks Fig 3 2 3 7 Thoroughly smear the inside elements with MLY and s
25. IGHT GUIDE PART ASSEMBLY Green wire of A BO241 Fig 5 2 1 Solder joint from R C Button Yellow Purple Gray Blue White 5mm HT SC from LG Cable from R C Button Solder joint 3 Black wires Zu alli mm HT OC from LG Cable Sheild Braid Red Black wire En lt HT HP All jointed wires Fig 5 2 2 Nylon Tie CCD Signal Wire Te Remote Control Wire Core 2 P0033 Fig 5 2 3 90K series 5 LIGHT GUIDE PART ASSEMBLY 4 Wiring Caution Handle CCD Module Unit on a discharging desk mat and wearing a wrist band to prevent CCD chip from static electricity damage Use low leakage soldering iron with non corrosive type soldering paste for soldering wires And thoroughly clean the paste residue with E M solution damped tissue paper after soldering 1 Unsolder each CCD Signal Wire to separate for wiring 2 1 2 3 4 5 6 7 8 Solder CCD Signal Wire and Remote Control Wire to CCD Drive PCB Assy A S701 as shown in Fig 5 2 4 CCD Signal Wire Shield Coaxial Wire Core_wire Brown Black Green Black Shield Braid Red Black l Shield Braid Not Coaxial Wire Blue A M Yellow Core wire Orange Black Brown Blue Orange Black Purple Gray Bed Remote Control Wire Outer Sheath Red Gray G Lands for Shield Braid Em CI Fig 5 2 4 5 EMI Core P0032 and CCD Process Drive PCB Assy A S0704 attaching Attach CCD Process Drive PCB Assy to LG Cable
26. Nominal size in mm 5 Length in mm 6 TW Tapping Screw Ex S T 2 X 4 2 3 4 1 S Setscrew 2 T Pointed end F T F Hlat end L L 3 Nominal size in mm 4 Length from head to end in mm Fig 1 4 2 Surface treatment Unless otherwise specified screws less than 2mm in nominal size are treated by black nickel Screws of which nominal size is equal or over 3mm may have a prefix P like PCSM3 X6 But it is actually the same as CSM3 X 6 4 Solder Alloy For soldering use Sn 60 Pb 40 type unless otherwise noticed 5 Introduction of lubricant 1 G MI7 Grease White featuring strong oil film Application O Ring lubricant almost non reactive with cover plastic material Eyepiece Diopter cam torque setting General metal parts and mechanical parts lubricant 2 G M18 Grease White Application Attaching Side Body Cover Lubricant for the Control Knob mechanism 3 SLOH Silicone oil high viscosity Use for O Ring on the Air Water Feeding piston Suction Valve and Biopsy Inlet section 90K series 2 GUIDE FOR DISASSEMBLY 2 GUIDE FOR DISASSEMBLY The process below shows the major overhaul such as the replacement of Distal End Assy Segment Staycoil Assy and Insertion Flex Tube Exploded Views DW42A005 DW42A006 DW42A007 DW42A008 DW42B003 DW42B005 DW42B006 DW42B007 DW42B009 DW42B0010 DW42C001 DW42C003 DW42C004 Special Tools ST 2311 ST 2320 ST 2372 ST
27. OR ATTACHMENT 5 2 PCB WIRING AND ATTACHMENT 5 3 LCB amp LG COVER GLASS ATTACHMENT 5 4 LG CABLE CONNECTOR ASSEMBLY CONTENTS PAGE 7 11 12 13 14 16 17 19 20 21 23 24 26 2129 30 32 33 34 35 36 38 90K series INDEX DESCRIPTION 6 BODY COVER ASSEMBLY 6 1 SIDE COVER AND JUNCTION CASE ATTCHMENT 6 2 BODY COVER GRIP ATTACHMENT 7 SUB ASSEMBLY 7 1 ANGULATION KNOB MECHANISM OVERHAUL 7 2 DISTAL END ASSY WITH TUBES REPLACEMENT 8 INSPECTION 8 1 INSPECTION PROCEDURE 8 2 HOW TO USE WATER LEAK TESTER Vacuum Test 8 3 AIR TIGHTNESS CHECK OF IMMERSIBLE SCOPE 9 APPENDIX 9 MATERIAL LIST 9 2 SPECIAL TOOL LIST 9 3 EXPLODED VIEW CONTENTS PAGE 39 40 41 42 43 48 49 5 52 55 56 57 58 59 60 61 90K series 1 GENERAL 1 1 GENERAL FEATURES amp SPECIFICATION Outline 1 These models are compatible with EPK 700 EPK 1000 and EPK i 2 Newly designed PCB is used so that the digital image transfers with EPK i in order to improve the image 3 Improved objective lens and light distribution system in order to expand the observation area and the light distribution area 4 Improved multi stage stiffness insertion flexible tube is used for the better maneuverability 5 The Insertion Tube Attaching Nut can be turned by special tool without removing the Root Brace Rubber 1 Distal area 1 The improved K2 CCD module CCD with new CCD drive PC
28. REPAIR SERVICE MANUAL FOR COLOR VIDEO GI SCOPE 90K SERIES PENTAX MODEL EC 3890MK EC 3890MK2 EC 3890FK EC 3890FK2 EC 3890LK EG 2990K LIFE CARE HEADQUATERS MEDICAL INSTRUMENT DIVISION CUSTOMER SERVICE SECTION PENTAX Corporation 2007 07 13 MNL 044 00 Notes for using this Repair Service Manual 1 Up date of Repair Service Manual will be notified by such information as Notice of Modification Service Note and so on 2 When you start repair servicing be sure to leave service record 3 This Repair Service Manual voids preceding New Product Repair Guide for the same model if any 4 Upon request Pentax will provide qualified service personnel with further information to service this product provided that the requested information needed within the range of servicing described in this Service manual 90K series CONTENTS INDEX DESCRIPTION 1 GENERAL l 1 GENERAL FEATURES AND SPECIFICATIONS 1 2 GENERAL PRECAUTION FOR REPAIR 1 3 CHANNEL AND TUBES SCHEMATICS 1 4 STANDARD SCREWS AND OTHER MATERIALS 2 GUIDE FOR DISASSEMBLY 3 INSERTION PART ASSEMBLY 3 1 PREPARATION OF INSERTION FLEXIBLE TUBE 3 2 STUFFING OF THE INSERTION FLEXIBLE TUBE 3 3 BENDING RUBBER INSTALLATION 3 4 SPIRAL COIL ATTACHMENT 4 CONTROL BODY PART ASSEMBLY 4 1 CONTROL BODY CONNECTING 4 2 ANGLE WIRE ANGULATION ADJUSTMENT 4 3 AIR amp WATER TUBES CONNECTINNG 5 LIGHT GUIDE PART ASSEMBLY 5 1 LIGHT GUIDE CABLE amp LG CONNECT
29. SLK R RM 1204 on the screw heads Note Take care not to damage Light Guide Cable by the edge of Shield Cover 2 Pass GND Wire P0019 from Control Body into attaching collar of LG Cable Connector Assy 3 Solder the end of two GND wires to connect and clean the paste residue with E M solution damped tissue paper 4 Cover the connecting areas with Heat Shrink Tube HT OC RM8006 and heat it to shrink it 5 Apply Grease G M1 7 RM3115 on O Rings as shown Fig 5 4 1 Solder 2 GND wire HT OC T aa Lf Shield Cover C0115 REI A E Ol il FE terminal EN G MI7 Wa GND Wire 8 CNL D1 7x2 2 LG Connector Housing A C0001 Fig 5 4 1 6 Put GND wire into the bore of LG Connector Housing while attaching LG Connector Housing onto LG Cable Connector 7 Attach the LG connector Housing to the LG Cable Connector 8 Remove X Ring C0014 from attaching collar to prevent cutting by ST 3161 to be used in the next step 9 Using ST 3161 tighten the LG Connector Housing Attaching Nut io 5 4 2 CO111 temporary AG 90K series 5 LIGHT GUIDE PART ASSEMBLY 2 LG Cable Connector Assembly 1 Using ST 3161 tighten LG Connector Housing Attaching Nut C0111 temporary while positioning the holes for the AW receptacle and AW Cylinder to share the proper spacing 2 Suction Nipple A C0031 Installation a Wipe all dust and residual silicone sealant from the relevant parts b Apply Silicone Oil SLOH RM3003 to O Rings C0032
30. TION PART ASSEMBLY 3 3 BENDING RUBBER INSTALLATION Exploded View DW42A006 DW42A008 Special Tools ST 2275 ST 2285 ST 4024 ST 4027 Materials RM1003 RM3203 RM4201 RM8101 Use an operation microscope for the process below Procedures 1 Installation 1 Rub MK Powder MLY RM3203 into Steel Braid to Vacuum 2 Set Bending Rubber A0038 in Expander pulling it by 2 4 mm for tensioning 3 Using a vacuum pump expand Bending Rubber and move it onto Expander Segments 4 Release the vacuum and remove Expander and clean the shown surface with Methanol or Ethanol damped tissue paper Note Locate two lines on the inner surface of Bending Rubber to R L direction 5 Apply a thinnest possible coat of 1 1 Cement CMT 2 RM1003 on the cementing area of Distal Body CMT 2 Note CMT 2 is not used on Insertion Flex Tube side E B Rubb m E ni Rubber B 6 Insert Work Shaft see the table below into Operation channel rd Clean surface TT pander W Sha EG29901 ST 2275 ST 4027 EC3890is ST 2285 ST 4024 Winding thread Fig 3 3 1 2 Binding with Nylon Thread Thread N RM8101 Figs below show area and direction of winding 1 The side of the Insertion Flex Tube Recommended thread length for convenience a about 8 cm b about 40 cm 2 y uj Fig 3 3 2 Te 90K series 3 INSERTION PART ASSEMBLY 3 4 5 Keep V the tension Keep Keep the tension the tensio
31. X750P ST 1110 Water Leak Test Unit Soaking Cap ETO Cap lt Step gt 1 Preparation 1 Detached all external accessories such as A W Valve Suction Valve and Rubber Inlet seal from the scope 2 Seta ST 1110 with a processor and turn on the air pump of the processor 3 Pinch off the tube of the ST 1110 to shut off air and adjust a Pressure Relies Valve of the ST 1110 so that meter shows 25Kpa 0 25K g cm Note Do not pressurize beyond the 25Kpa as it may cause serious damage to the scope p Pressure Relief Valve 2 25kPa 0 25kg cm Pinch off tube e Ct p To air outlet of Processor ETO Valve Connector ST 1110 Stage I Dry test Note Before immersion the scope should be tested at the outside of a water tub by SHA P2 in order to prevent entering water into the scope 1 Turn the gauge faceplate of the SHA P2 to zero the pressure indicator 2 Connect the Leakage Tester Connector of the SHA P2 to the ETO valve of the scope properly and pressurize the scope by pumping the hand bulb until the Faceplate indicator on the gauge is in the Green zone 3 Observe the gauge pressure to determine if the indicator remains in the GREEN ZONE Green Zone Leakage Tester Connector 2S7 90K series 4 5 6 1 8 If the indicator drops from the GREEN zone rapidly attach a proper SOAKING CAP to the LG Cable Connector And then if the indicator stops dropping fro
32. afety test 1 General Perform Patient leakage test on every repaired scope to secure electrical safety of the scopes Whereas Dielectric strength test should be applied only in the specified condition See Condition for Dielectric strength test in 6 3 However when Dielectric strength test is performed it should be first in order Do not reverse the order or sequence On Dielectric strength test high voltage is present Read Danger advice before starting this test 2 Resistance test 1 Measure D C resistance between the FE terminal and the Suction Cylinder by Tester 2 The resistance should be less than 2 2 N 90K series 8 INSPECTION 3 Patient leakage test a Devices D A tub with water 2 Leakage current tester having a IKQ load resistor shunted by a 0 15 u F capacitor Note If above tester is not available refer to an alternative method shown in 3 using a resistor and capacitor with DVM Digital volt ohm meter b Measuring Steps D Device setting See Fig 2 Operate Processor with its GND not connected Caution If AC cable is prepared for this purpose by cutting GND cable place a conspicuous marking on it to avoid use for other purpose 3 Connect your leakage tester leads as shown Color Processer EPK Scope for i UNES Disconnet Do not touch Protective 120V d Wire GND Dip wire AP A IA a San Luc 15 u film Capcitor Can be added in this manner 3
33. and remove the Core 2 P0033 from the CCD Signal wire Using ST 2320 turn and remove the Suction Channel retaining Coil C0026 Disconnect Suction Channel LG A C0027 from the LG Suction J piece A C0021 and remove C0026 Free 2 Air Water Supply Tube Retaining Collars C0058 by moving toward the Air Water Socket Cylinder A C0051 Disconnect 2 Air Water Supply Tube LG A C0141 from A C0051 and remove C0058 Free J Supply Tube Retaining Collar C0075 by moving toward the Jet Socket Cylinder A C0071 Disconnect the Water Jet Supply Tube A C0161 from A C0071 and remove C0075 Remove 3 screws CSM1 7x3 5 disconnect the LG Cable Connector Assy A C0091 from the Light Guide Cable A C0121 Cut Nylon Tie Q CCD Signal Wire ZS MEM KX Remote ml fF Control Wire A CO161 Core 2 P0033 Fig 2 8 Fig 2 9 90K series 9 Remove 3 screws CSS1 7x3 5 disconnect A C0121 from the Control 10 Remove 6 screws CSM2x2 8 disconnect Light Guide Column 7 Control Body and FWD Body Frame disconnection 1 2 3 4 5 6 7 8 9 10 11 Body A B0306 Using ST 2320 turn and remove the Channel Retaining Coil B0246 Disconnect the AFT Suction Channel B0245 from the Suction Cylinder Move the Retaining Collars toward the A W Cylinder and disconnect the Air and Water tubes
34. be with Segment Caution Handle the Distal End Body with the utmost care so as not to drop the Distal End Body Note Take care not to damage LCB and kink Operation Channel amp A W J Tubes a Remove three Distal Attaching Screws 3 A0040 EC 2 A0040 EG with a screw driver b Disconnect Distal Body from Segment c Pull out inside elements slowly E ib te 90K series 3 INSERTION PART ASSEMBLY 3 1 PREPARATION OF INSERTION FLEXIBLE TUBE Exploded View DW42A006 DW42A008 Special Tools ST 2212 ST 2214 ST 2241 ST 2246 Materials RMI204 RM1102 RM3203 RM4110 Procedures 1 Preparation for Insertion Flex Tube Note If original Insertion Flex Tube can be reused install an adequate sheath on Insertion Flex Tube and Root Brace Rubber and fix it with adhesive tape at the both ends to protect from smearing with MK Powder MLY RM3203 Root Brace Rubber A0058 DDR ee A EE NENNE E WI espn owes a E Adhesive tape Perform the process below if Insertion Flexible Tube A A0501 is replaced with the new one 1 Place O Ring A0056 Insertion Tube Attaching Nut A0058 and Root Brace Rubber A0057 onto Insertion Flexible Tube 2 Protect Insertion Flex Tube and Root Brace Rubber from smearing with MK Powder MLY RM3203 as shown in above Fig 3 1 1 3 Connect Segment Staycoil Assy A A0028 to IFT accordingly EC3890Ks Tighten 3 Segment Assy Attaching Screws A0051 apply
35. d again since it will crush the metal pipe and fibers d When the pipe was freed pull the LCB out holding the Distal Body 2 Dismounting CCD module Caution Do NOT dismount the CCD module before removing the LCB Because the LCB and or CCD shield pipe will be damaged a Attach Ob Lens Press Head ST 2724 to Ob Lens Press d ST 2699 i 3 b Set the Distal Body in the appropriate Ob Lens Press as shown in the table below c Adjust the Distal Body and Ob Lens Press in order to align the KW ST 2703 to the center of the Objective Lens properlv d Turning the handle bar l of ST 2699 press the Objective Fig 7 2 1 Lens Unit to break cementing with silicone sealant Ob Lens Press Adapter e When the CCD module has become free disconnect it from the EC3890is ST 2718 Distal Body istal Body EG2990i ST 2711 2 Remounting CCD module 1 Binding Insulation Tape Perform the process below if original CCD Module Unit with Objective Lens Unit can be reused a Remove Insulation Tape RM8200 around on Objective Lens Unit insulation Tape 16 0 X 24 5 mm Cut from Insulation Tape b Remove any residual Silicon Sealant on Objective Lens Unit and CCD Signal Cable c Using E M solution damped tissue paper clean the surface of Shield Pipe d Tape a piece of Insulation Tape RM8200 cutting size 13 0mm x 18 0mm around on Shield Pipe of Objective Len
36. d face has become flush with the end of the prong 7 Turn the Cover Glass G Rod Holding Screw C0104 until it just touches the Glass rod Assy And then turn C0104 clockwise about 30 degree 10 Caution Do not tighten G0104 more than 40degree because the Glass Rod Assy may be broken 8 Pulling the LCB ensure that the Glass Rod Assy is fastened by screw 2 LG Cover Glass Set A C0272 connection 1 Clean the surface of A F0020 and the inner surface of LG Cover N C0103 Glass in LG Cover Glass Set A C0272 with E M soluti A ROO20 Sp WE ass n over Glass Set A wi solution un 2 777 damped tissue paper or cotton tip applicator A C0272 TT i 2 Apply Grease White G M17 RM3115 on O Ring C0103 J x 3 Apply Silicone Sealant SS 5 RM2005 on the screw threads of SS 5 G MI7 LG Prong C0104 LG Prong 4 Attach A C0272 and wipe off excess SS 5 ZZEE Z 4 5 Tighten attaching screw C0104 but not too tight and apply SS 6 on the head of Screw 235 90K series 5 LIGHT GUIDE PART ASSEMBLY 5 4 LG CABLE CONNECTOR ASSEMBLY Exploded View DW42C001 DW42C003 DW42C004 Special Tools ST 3133 ST 3161 ST 3163 Materials RM 1003 RM1204 RM2005 RM2006 RM3003 RM3115 RM8006 Procedures Shield Cover connection 1 Attach Shield Cover C0115 with 8 screws CNL D1 7x2 2 and apply Screw Lock
37. deflecting bending portion Repeat the above procedures until adequate degree of friction has been obtained Disconnect the UD Knob assembly from the Control Body 8 Fasten 3 screws ST1 7x3 on B0116 and apply SLK R on the head of screw 9 Engage UD Knob Assy to UD Lock lever correct direction as shown in Fig 7 1 9 UD Pullev wire N LI Fig 7 l 8 Fig 7 1 9 45 90K series 7 SUB ASSEMBLY 7 RL Knob Shaft installation 1 2 3 4 5 6 1 8 9 10 11 Apply G M17 to O Ring B0125 on the RL Knob Shaft A B0123 Pull RL Pulley wire and set it evenly Engage A B0123 to the Control Body in the correct position as shown in Fig 7 1 10 Fig 7 1 10 Apply G M18 to the thread of the RL Lock Adjusting Ring B0131 and place BO131 on the A B0123 Apply G M18 to the inner wall of the RL Friction Drum B0130 Apply G MIS to the both side of the RL Friction Disk B0129 and place B0129 on B0130 so that the burr side of B0129 become upward Place the RL Lock Base Unit A B0126 on B0129 While pressing A B0126 tighten 3 screws 2 SF1 7x6 SF1 7x3 of A B0126 through the hole of B0131 and apply SLK R to the head of the screws Note Do not apply SLK R too much in order to prevent flowing over to other part Fig 7 1 11 Apply G M18 to the groove and pins of the RL Lock Rotating Disk A B0132 Fig 7 1 12 Place A B0132 on A B0126 so that the pin of A B0126 goes
38. e not to lose the relative position of LCB Channels CCD signal wire from the Distal end and 4 staycoils Note If smearing of MK powder MLK remains on each inside elements clean them with E M solution damped tissue paper Shift Right Staycoil to Down direction and Left Staycoil to Up direction along the inner wall of IFT Tape R amp D staycoils and L amp U staycoils together B Remove the tape on the each AFT end of inside elements Note Take care not to lose the relative position of each elements If smearing of MLY is present on the elements clean it with E M solution damped tissue paper 2 Cutting and forming Operation Channel 1 2 3 4 5 Set the bending section to the neutral and straighten Insertion Flex Tube Cut Operation Channel from the end of Insertion Flex Tube as shown in below table Note Lightly pull the channel before cutting Place Channel Retaining Coil B0246 for EC3890Ks or OP Channel Retaining Nut B0312 and OP Channel Retaining Collar B0309 for EG2990K onto Operation Channel as shown in Fig 4 1 2 Heat straight end of Tube Forming Rod shown in the table with an alcohol lamp and push it into Operation Channel to the depth as shown Cool down both Operation Channel and Forming Rod with E M solution damped tissue paper and pull the rod out Tube FormingjOp Channel Rod Cutting length L Adhesive tape
39. etach the ETO Valve connector of the ST 1110 from the scope And then submerge the LG Cable Connector slowly Observe the ETO Valve of the scope If the bubbles come out from the ETO Valve continuously remove the scope from the water immediately Note The replacing of the ETO Valve is necessary when a leakage was found Take out the scope from the water tub and release the air pressure from the scope by attaching the ETO CAP OF C5 Wipe off the water and blow away the water which remained in the tubes by a pressured air Note if the electrical contacts of the LG Cable Connector got wet accidentally blow away the water with pressured air so that dry it completely in order to prevent the electrical connector from damaging 58 90K series 9 1 MATERIAL LIST Major supplemental materials for repair For details of position of use refer to the Exploded View and the explanation in the manual MATERIAL CODE CMT 2 CMT 5 SLK R SS 1 SS 5 SS 6 SLOH G M17 G M18 MLY SPT SS FLX BLK HT OC HT HP HT SC THREAD N ODR CODE No RM1003 RM1102 RM1204 RM2001 RM2005 RM2006 RM3003 RM3115 RM3116 RM3203 RM4104 RM4110 RM4201 RM8006 RM8007 RM38022 RM8101 RM8200 DESCRIPTION 1 1 Epoxy Cement Tube 6H Instant Glue L Vicosity Screw Lock Silicone Sealant White Silicone Sealant Black Silicone Sealant Black Liquid Silicone Oil for O Ring Grease White Grease White MK Powder Tito
40. fer to Product specification for acceptable limits if no shown 1 Angulation Deflection direction Up Down Right Left Smoothness Maximum angulation Refer to Product specification Lock mechanism Friction to retain position as Maximum angulation 2 External appearance Insertion Flex Tube Light Guide Cable Projection from surface dents Flexibility Bending section Projection deformation scratches Control body Cracks deformation 3 Operation Channel Passing a specified Forceps smoothly from the Biopsy Inlet to the Distal End 4 LCB Broken fibers of LCB Check at the distal end while illumination at LG Plug Distal cover glass Reject if any crack was found 5 Water leakage test 1 Vacuum Test Refer to HOW TO USE WATER LEAK TESTER Prior to the test visually check entire surface for hole cut pit Check leaks by presence of continuous bubble from the surface Use A W Suction Channel Cleaning Adapter OF B153 instead of A W Button OF B178 and Suction Button OF B177 due to using different sealing Apply Max angulation to check leaks from Operating channel at ultimate condition Hint Checking at the stage of 3 1 LG Connector attaching will enable you to find problem earlier 2 Immersion test Refer to AIR TIGHTNESS CHECK OF IMMERSIBLE SCOPES Prior to the test visually check entire scope surface for hole pit crack Check leaks by presence of continuous bubble from the surface 6 Electrical s
41. green wire at the soldered joint Place X Ring on the groove of the attaching collar again 5 PCB and LG Cover Glass Set disconnection Fig 2 7 1 2 3 4 5 6 1 8 9 10 Remove 8 screws CNL D1 7x2 2 disconnect the Shield Cover CO115 Remove the Cover Glass G Rod Holding Screw C0104 disconnect the LG Cove Glass Set A C0272 Loosen C0104 pull out the LCB together with the Glass Rod Assy A F0020 from the LG prong Loosen LCB Set Screw F0023 remove the LCB from A F0020 Loosen 4 set screws STI 7x2 and remove 2 screws CNM2x2 8 disconnect Core Holding Plate C0116 Remove 2 Core 1 P0032 from the CCD signal wire Disconnect the connectors of the Electrical connector Assy A P0023 from the PCB Remove 4 screws CNM2x2 8 disconnect the PCB from the LG Cable Connector Caution Handle the CCD module unit and PCB on a discharging desk mat and wearing a wrist band to prevent them from static electricity damage Use low leakage soldering iron with non corrosive type soldering paste for soldering wires And thoroughly clean the paste residue with E M solution damped tissue paper after soldering Unsolder the CCD Signal wire and Remote Control wire from the PCB Bind the end of the wires with an aluminium foil in order to prevent static electricity damage 6 LG Cable Connector Assy and Light Guide Cable disconnection 1 2 3 4 5 6 7 8 Cut the Nylon tie
42. green wire of the Biopsy Inlet T piece about 2mm 2 Bind core wires and apply solder to them 3 Solder the end of Grounding Wires to GND Lug Plate P0018 Note If soldering paste non corrosive type is used thoroughly clean the paste residue with E M solution damped tissue paper immediately after soldering 4 Attach the GND Lug Plate onto the main plate of control body with CNS2x2 5 and apply SLK R to the head of screw Remote Control Wire A P0009 connection Note Perform if Remote Control Wire was replaced with the new 1 Cut 8 wires of the Remote Control Switch according to the shortest wire Note Perform if any Remote Control Switch was replaced 2 Remove outer sheath of each wires Black 7mm Others 3mm 3 Twist the end of black wires 4 Pass Remote Control Wire into Control Body through Light Guide Base Column 5 Twist the end of wires in the same colors Gray Purple Blue White and Yellow and then solder it 6 Twist the end of black wires and sheild wires Twisted Red black and Sheild Braid and then solder it 7 Cover the solder point with Heat shrink Tube For Black wires HT OC RM8006 For Other wires HT SC RM8022 8 Place a Heat shrink Tube HT HP RM8007 in order to bundle the all wires EMI Core P0033 attachment 1 Pass CCD Signal Wire and Remote Control wire through the EMI Core refer to showing Fig 5 2 3 2 Attach EMI Core to LG Cable Connector with the Nylon Tie DO 5 L
43. he RL knob 20 times to deflect bending portion Right Left EC3890Ks 160 160 4 R L angulation adjustment For EC3890Ks a Place a UL Stopper Assy A B0221 and DR Stopper Assy A B0231 on the 120 120 Control Body b Turn the Stopper Adjusting Screw B0222 of A B0221 and A B0231 so that the RL deflection become properly For EG2990K a Place an L Stopper Assy A B0223 and DR Stopper Assy A B0232 on the Control Body b Turn the Stopper Adjusting Screw B0222 of A B0223 and A B0232 so that the RL deflection become properly E 2 n Connecting receptacle Fig 4 2 6 25 90K series 4 CONTROL BODY PART ASSEMBLY 5 Attach an Intermediate Plate B0294 with 2 screws CSM2x6 applying SLK R on the screw head 6 UD Angle wire connection a Solder A0044 to U D angle wire and connect it to the Connecting receptacle of the U D Pulley wire according to the procedures section 1 R L Angle wire connection Ea E 7 Turn the UD knob 20 times to deflect bending portion SoS A 8 U D angulation adjustment Fig 4 2 8 Fig 4 2 7 EC3890Ks PI UL Assy A B0221 DR A a Place a Stopper Assy A B0221 and Stopper Assy TEG3g00Ks 180 180 A B0231 on B0294 EG2990K 210 120 b Turn the Stopper Adjusting Screw B0222 of A BO221 and A B0231 so that the UD deflection become properly EG2990K a Place a U Stopper Assy A B0221 and DR Stopper Assy A B0232 on
44. ing Coil remains out of the attaching pipe of Biopsv Inlet T piece Note Biopsy Inlet T piece should be kept 45 between Up and kE oe R Right direction For EG2990K only 5 Connect B0309 to A B0241 6 Apply silicone sealant SS 1 RM2001 on the thread of A B0241 and attach B0312 by using ST 2311 Note Do NOT apply SS 1 on the metal pipe of A B0241 because the Operation Channel may be turned together with B0312 7 Wipe off the excessive SS 1 s322 90K series 8 9 4 CONTROL BODY PART ASSEMBLY Using ST 3209 tighten Insertion Tube Attaching Nut A0058 temporarily so that the IFT become relative direction Note Do not rotate IFT Pass the Sstaycoils toward the Control Body so that the position of the Staycoils become as shown in Fig 4 1 6 A0058 ST 3209 4 AFT Suction Channel B0245 of Biopsy Inlet T Piece connection Note Check that the Insertion Flex Tube is in neutral and straight status 1 2 3 4 5 6 1 Bring AFT Suction Channel beside the metal pipe of Suction Cvlinder and cut the channel at 5 mm from the end of metal pipe Place Channel Retaining Coil B0246 onto AFT Suction Channel Enlarge the diameter of AFT Suction Channel s end with tweezers Wipe the pipe of the Suction Cylinder with E M solution dampped tissue paper and apply SS 1 on the metal pipe and push AFT Suction Channel onto metal pipe by 5mm Note AFT Suction Channel am
45. ing device is not available See 3 Alternative method Testing Steps b Between Internal circuit of scope and Insertion tube surface Make sure that Test voltage is Off 0V Connect Test connector ST 4903 to the scope H V Do not touch Place one end of Dip wire into water ST4903 Connect Red wire HV to ST 4903 Black wire to Dip wire 5mA 500V Submerge Insertion tube in the water ea amp t9 O Smoothly rise test voltage to 500Vac and keep for 1 min Nils PEE If the leak detector does not operate OK y If it operated immediately lower voltage and Black wire stop test Danger To avoid electrical shock hazard be sure to keep hands off from Scope Water tab test leads and any electrically conductive material that touches the scope Reduce test voltage to OV _54 90K series 8 INSPECTION c Between FE Terminal and Insertion Tube surface Make sure that test voltage is OFF 0V Place one end of Dip wire into water Connect Red wire HV to FE terminal and black wire to Dip wire H V Do not touch Submerge Insertion Flex Tube in the water GO ONO Smoothly rise the test voltage to 500Vac and keep for 10 sec If the leak detector does not operate OK ad l Black wire If it operated immediatelv lower voltage and stop test Danger To avoid electrical
46. ing screw lock SLK R RM1204 on the thread of screw Tighten A0051 and apply instant glue CMT 5 RM1102 around the head of the screw EG2990K Tighten 3 Segment Assy Attaching Screws A0053 and apply CMT 5 around the head of the SCICWS ULETETTETTELTITITIT d b ILLITTITTITITTTTTITI pI b ILLIITITITITITTTTTTITI to Insertion Flex Tub Ka KI to Distal Bod Up Up Up Up 35 35 4 65 45 P 90 4 EN x o 4 ra L AWN HA Ri ght SA Ri ght wy Ri ght il Ri ght Wy 90 EC3890Ks EG2990K EC3890Ks EG2990K Fig 3 1 2 _12 90K series 3 INSERTION PART ASSEMBLY Perform the process below if Segment Staycoil Assy A A0028 is replaced with the new one 1 Connect Segment Staycoil Assy to Insertion Flex Tube with Segment Assy Attaching Screws 3 A0051 Refer to Replacement of Insertion pod E 7 Flex Tube 3 EC3890Ks 97mm 5 2 Staycoil Cutting EG2990K 95mm a Set the bending section to the neutral and straighten Insertion Flex Tube b Pull out four angle wires enough to clear working area c Cut the staycoil to the specified length with sharp nippers and remove burrs inside and outside of the coil with a precision file Note Lightly pull four staycoils before cutting the coils L 3 Temporary attachment of Staycoil Collars mom mm a Apply a thin coat of solder using a small amount of SS Flux S imos emm SS FLX RM4110 on the staycoil
47. ion of the retaining collar and tubes during field use 6 Apply SS 1 onto Supply Tubes holding it and attach Retaining Collars onto Supply Tubes by using pliers 7 Wind adhesive tape around Retaining Collars 6 Suction Channel LG Connection 1 Place Suction Channel Retaining Coil C0026 onto the suction Channel LG A C0027 2 Heat Straight end of Tube forming Rod 5 8 ST 4833 with an alcohol lamp and push it into Suction Channel LG to the depth of bait y E 3 Cool down both Suction Channel LG and Forming Rod with E M MN Solution damped tissue paper and pull it out I 4 Attach A C0027 to the LG Suction J piece A C0021 5 Apply SS 1 on A C0027 6 Using ST 2320 connect C0026 by pushing and turning it until 1 pitch of Channel Retaining Coil remains out of the pipe of Suction Cylinder 7 Wipe off the excessive SS 1 Fig 5 1 7 7 LG Cable Connector Assy A C0091 connection 1 Set LG connector Assy in the middle as shown in Fig 5 1 8 2 Attach LG Connector to Light Guide Cable A C0121 with 3 CSM1 7x3 5 applying SLK R on screw threads 3 Pass LCB through the bore of LG Cable Connector and attach to the Light Guide Prong temporarily Setting in TAD 90K series 5 2 PCB WIRING AND ATTACHMENT Exploded View DW42B006 DW42C004 Special Tools Materials RM1204 RM8006 RM8007 RM8022 Procedures 1 GNDWires connection i9 1 Remove the outer sheath of GND wire P0019 and
48. larged section of the tube This is important to prevent disconnection slipping of the tube afterward Apply CMT 2 on Tubes Holding the tube attach Retaining Collar onto the tube using of pliers Apply CMT 2 on the both side of the Retaining collars Drill bit Retaining collar dic m MT 2 Tube k Cylinder Imm B0311 EC Air Tube B03 ro No distance allowed Fig 4 3 1 Fig 4 3 2 SITE 90K series 4 CONTROL BODY PART ASSEMBLY 2 Jet Supply tube LG A C0161 and Water tube connection 1 Pass the coiled side of A CO161 into the Control Body as shown in Fig 4 3 3 2 Place WJ Supply Tube Retaining Collar B0313 EC B0311 EG on the Water Jet Junction Pipe A B0281 3 Heat the straight end of drill bit 1 8mm with an alcohol lamp and push it into the tube to the depth of about 7 0mm 4 Connect A C0161 to A B0281 like the Air Water tubes connection 5 Attach A B0281 to the Control Body with 2 screws CNS2x2 5 temporarily B0313 EC at aua A BO281 Fig 4 3 3 6 Cut the Water Jet Tube at the length as shown in Fig 4 3 4 7 Detach A BO281 and connect the water tube to other side of A B0281 with a Retaining Collar BO311 EC B0310 EG like the Air Water tubes connection 8 Attach A B0281 to the Control Body with CNS2x2 5 applying screw lock SLK R RM 1204 on the thread U E ae ae SEC A B0281 Fig 4 3 4 SAQU 90K series 4 CONTROL BODY PART ASSEMBLY 3 A W Supply Tubes and Suctio
49. m the green zone there is a possibility that the electrical connector is leaking If the indicator keeps dropping the scope has a leakage in the place other than the electrical connector even though the soaking cap is attached Release the air pressure from the scope by opening the pressure release valve on the handle of the SHA P2 After the gauge indicates zero disconnect the SHA P2 from the scope Note Fix the scope before going to next step if any leakage is found by this test 3 Stage Il Wet test Pressure release valve 8 INSPECTION Soaking Ca Note After determining the absence of any major leak in Stage I testing perform the Immersible as following step 1 2 3 4 5 6 1 8 9 Attach the SOAKING CAP to the LG Cable Connector properlv in order to prevent the electrical contacts from wetting Connect the ETO Valve connector of the ST 1110 to the ETO Valve of the Scope and ensure that the scope is pressurized Submerge the scope into the water tub Observe the instrument carefully while turning an angulation knob fully for all directions Note A few bubbles may occur initially from recessed areas of the scope This is normal If a continuous stream of bubbles is observed from the same spot a leak is indicated Pressure Relief Valve To air outlet U ST 1110 Soaking Cap f Take out the LG Cable Connector from water and d
50. n After winding a few times pull line as shown to settle and lower initial windings Fig 3 3 3 Winding Times 6 Cutting of thread Do not cut rubber underneath After cutting Cut the thread of l Lightly pull another side also 7 Side of Distal End about 1 5mm gt Winding site 8 For the following steps refer to step 3 to 6 3 Cutting of Bending Rubber Note Use an operation microscope for the process below 1 Cut the excess rubber with a razor blade Lightly pull Razor blade Razor blade Lightly pull ae Bending Rubber EN Be Insertion Flex Tube Fig 3 3 6 18 90K series 3 INSERTION PART ASSEMBLY 2 Cleaning of Bending Rubber and Insertion Tube Remove cement smearing on the surfaces with Methanol or Ethanol When Methanol is used do not forcibly wipe the surface of Insertion Flex Tube Note E M solution is also applicable if very sparingly used 3 Quality check Judgment Good No good Nylon Thread OO OO Bending Rubber Fig 3 3 7 4 Black Coating on the thread 1 Prepare Black coat cementing glue Black glue 1 1 Cement CMT 2 RM 1003 Black Additive BLK RMA201 10 1 2 Apply with a needlepoint to form a thin coat on the threads Note Outer diameter should not increase too much 3 Using a hair drier heat Black glue to smooth out the surface and remove air bubbles Note Take care not to heat t
51. n 4 Tie a string or thin electrical wire 0 5 1 0 mm to the head of Separator to be utilized as a puller subsequently and pull back Separator Then remove leaving the string or wire in Insertion Flex Tube Staycoil Insertion Separator Flex Tube AJM EE Staycoil oF 1 St T e E Thin electrical wire Staycoil Holder Segment Fig 3 1 4 13 90K series 3 INSERTION PART ASSEMBLY 3 2 STUFFING OF INSERTION FLEXIBLE TUBE Exploded View DW42A006 DW42A008 Special Tools Materials RM2006 RM3203 Procedures Preparation 1 Fully dried MK powder MLY RM3203 has to be prepared as lubricant Leave the container at 80 C with its lid opened at least 30 min Perform the process below if original Distal End Assy and or Segment Staycoil Assy is used again 2 Remove residual sealant from Distal Body and top ring of Segment Staycoil Assy 3 To ease the insertion straighten Operation Channel by hand applying a light counter curvature Perform the process below if CCD Signal Wire is soldered to CCD Process Drive PCB Assy Caution Handle CCD Module Unit on a discharging desk mat and wearing a wrist band to prevent CCD chip from static electricity damage Use low leakage soldering iron with non corrosive type soldering paste for soldering wires And thoroughly clean the paste residue with E M solution damped tissue paper after soldering 4 Unsolder CCD Signal Wire from PCB Assy 5 Temporally solder all CC
52. n Channel connection 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Place a Suction Channel Retaining Coil B0309 EC B0315 EG on the Suction Channel LG A C0027 Clean the metal pipe of the Suction Cylinder with E M Solution damped tissue paper and apply silicone sealant SS 1 RM2001 to it Form the end of A C0027 by Tube Forming Rod 5 8 ST 4833 Attach A C0027 to the metal pipe of the Suction Cylinder B0309 EC Wa B0315 EG and apply SS 1 to it A C0027 Using ST 2315 connect the Suction Channel Retaining coil POO by pushing and turning it until 1 pitch of the coil remains out Nistal Pipe of A W cylinder of the pipe of the Suction Cylinder A CO141 Cut 10mm Wipe off the excessive SS 1 Clean the pipe of the A W Cylinder with E M solution damped tissue paper Coiled partN SS 1 Place the A W Supply Tube Retaining Collar B0312 EC Mus dietne B0314 EG on the pipe of the A W Cylinder so that the slit allowed ug side of it is toward the outside of the Cylinder Click B0312 EC B0314 EG Apply SS 1 on the pipe of the Cylinder Fig 4 3 4 Cut off A W Supply Tube LG A C0141 10mm from the end of the coiled side Form the end of A C0141 by Tube Forming Rod 3 1 ST 4812 Connect A C0141 to the pipe of A W Cylinder Apply SS 1 to the end of A C0141 and attach the Retaining Collar by using pliers Apply SS 1 to the both side of the Retaini
53. ng Collar 4 Placing CCD Signal Wire and LCB 1 2 Note Make a loop with the CCD Signal Wire at the Control Body as Pass the CCD Signal Wire and LCB into the LG Cable Attaching Make a loop l Frame shown in Fig 4 3 5 Pass the LCB into the LG Cable Attaching Frame Note Slacken the LCB at the Control Body adequately 29 90K series 5 LIGHT GUIDE PART ASSEMBLY 5 1 LIGHT GUIDE CABLE amp LG CONNECTOR ATTACHMENT Exploded View DW42B006 DW42C001 DW42C003 DW42C004 Special Tools ST 2320 ST 4812 ST 4833 Materials RM1003 RM1204 RM2001 RM3115 Procedures 1 Pass GND wire P0019 and Remote Control Wire P0009 into the LG Cable Attaching Frame if they are replaced with new one Fig 5 1 1 2 Insertion of elements into Light Guide Cable A C0121 1 Place the Light Guide Column A B0306 on the elements so that the position of the element become as shown in Fig 5 1 2 jl A2 r g N D 51 o oO lt Fig 5 1 1 Fig 5 1 2 2 Place the Side Cover Retaining Nut A BO181 and Side Body Cover A B0211 on the Light Guide Cable 3 Puta mark on Air Supply Tube A C0141 with a red marker in order to distinguish the tubes 4 Lay the elements straight on the working bench keeping a correct relative position 5 Holding elements all together and keeping their relative position insert them into Light Guide Cable 6 Apply grease G M17 RM3115 to the O Ring C01
54. oo much and too long Temperature should be less than 60 C 4 Cool down the Black glue and check that it does not migrate by gravity Then keep Distal End Upright for curing 00000006000 o Distal Body 5 Cure at room temperature more than 6 hours Black Glue Bending Rubber Insertion Flex Tube Fig 3 3 8 19 90K series 3 INSERTION PART ASSEMBLY 3 4 SPIRAL COIL ATTACHMENT Exploded View DW42A005 DW42A007 Special Tools Materials RM8007 Procedures 1 Spiral Coil P0080 attachment 1 Move Spiral Coil PO080 and 2 Heat Shrink Tube RM8007 1 30mm which are on the CCD signal wire toward the end of IFT 2 Straighten the CCD Signal Wire and P0080 3 Place P0080 so that the distance between P0080 and IFT become 40mm as shown in Fig 3 4 1 4 Place the Heat Shrink Tubes RM8007 on both ends of P0080 so that the end of P0080 come to the middle of RM8007 and shrink them by heat Note Take care not to melt the outer seath of the CCD Signal Wire CCD Si RM8007 Fig 3 4 1 20 90K series 4 1 CONTROL BODY CONNECTING Exploded View DW42B007 DW42B010 Special Tools ST 2311 ST 3209 ST 4830 ST 4832 Materials RM2001 Procedures 1 Preparation of IFT for Control Body connection 1 2 3 4 5 4 CONTROL BODY PART ASSEMBLY Ensure the correct Up direction of IFT and lay it on the working bench with its Right side up Remove the Staycoil Holder from IFT taking car
55. otating Disk A B0110 UD Knob Bottom Lid A B0108 and UD Lock Lever A B0103 Using ST 3205 unscrew the Control Body Lid A BO101 Remove 3 screws CSS1 7x3 5 and disconnect Pulley Housing Unit from the Control Body Remove 2 screws CSS1 7x2 2 and separate UD RL Pulleys and Pulley Housing Assembling procedure ji Pullev and bearing assembiv Fig 7 l 1 1 Apply thin coat of Grease White G M17 RM3115 to inner wall of the CSS1 7X3 5 3 CSSI 7X2 2 2 Pulley Housing B0071 N 2 Apply thin coat of G MI7 to two wires two grooves upper and lower c 9 jA working surface of UD Pulley Assy A B0091 gS 3 Wind each wire by 1 amp 1 4 times in the respective grooves and hold it MI a _A B0091 4 Holding wires of UD Pulley Assy install it into BOO71 dos 5 Apply thin coat of G M17 to both surfaces of Polyslider B0073 and place it on UD Pulley Assy in B0071 EA DI A B0081 6 Apply thin coat of G MI7 to the bottom face and shaft of the Pivot For CMI Control Knob B0072 P f 7 Applying G M17 to RL Pulley Assy A B0081 as above 2 wind the B T wires as above 3 and hold it G M17 8 Holding wires of RL Pulley Assy install it in B0071 9 Attach Pulley Housing with 2 Pulley to B0072 and fix with 2 screws CSS1 7x2 2 applying Screw Lock SLK R RM1204 to the thread 43 90K series 7 SUB ASSEMBLY 2 Pulley assembly installation Fig 7 1 2 B0107 1 2 3 Control Body Lid B0004 Connec
56. p Operation Channel should rest in neutral shape Mark a dot or line on Channel to monitor unexpected rotation Note Avoid sealant application area Apply SS 1 on Channel using Special Tool ST 2320 and connect Channel Retaining Coil by pushing and turning it about 1 pitch turn of Channel retaining Coil remains out of the pipe of Suction Cylinder Note Do not rotate Channel while turning the coil Wipe off the excessive SS 1 03 5mm gt h B0245 I 2 5mm gt d B0246 SS 1 Fig 4 1 8 90K series 4 CONTROL BODY PART ASSEMBLY 4 2 ANGLE WIRE ANGULATION ADJUSTMENT Exploded View DW42B003 DW42B009 Special Tools Materials RM 1204 RM4104 Procedures 1 Staycoil Attachment 1 Remove tapes on U D R L staycoils and lightly pull each angle wire a few times to settle position of the staycoil within Insertion Flex Tube Note Hold the staycoil with other hand when pulling the angle wire 2 Staycoil compression 3 3 5mm EC3890Ks 2 2 5mm EG2990K frow Solder a Set the bending portion to the neutral and straighten Insertion Flex Tube A0046 With SPT Angle Wire b Flow solder using Soldering paste SPT RM4104 at the shown point with Stabcoil 3 3 5mm
57. prinkle with MLY again Then insert the inside elements together with applied MLY moving back and forth 8 Adding MLY repeat the same procedure and advance further until rear end of Distal Body has reached the entrance of Segment Note The inside elements should smoothly come out of the other side Lightly pull the each element one by one after LCB Signal Wire and channels came out If inside elements seem stuck recede the operation and check the inside elements location 15 90K series 3 INSERTION PART ASSEMBLY 3 Engage Distal Body with Segment 1 Using a brush clean the attaching surface on Distal Body 2 Using a brush clean two EG or three EC holes for Distal Attaching Plates A0023 and wipe the surface with Methanol damped tissue paper 3 Apply Silicone Sealant SS 6 RM2006 in the holes of Distal Body and set A0023 Distal Attaching Plate on it AURPE 4 Apply a thin coat of SS 6 on the entire attaching surface of Distal Body and 22222 __ engage Distal Body to Segment l Note Sealant is used to prevent cement which is subsequently used for Bending Rubber from SS 6 Fig 3 2 4 flowing into the gap 5 Apply SS 6 in the holes for Distal Attaching Screws 2 A0051 EG 3 A0040 EC and attach those screws 6 Wipe the excessive SS 6 with Methanol damped tissue paper 16 90K series 3 INSER
58. rform the inspection A0058 Turn 907 A A0057 a e SED B0305 Fig 6 2 8 Fig 6 2 9 42 90K series 7 SUB ASSEMBLY 7 1 ANGULATION KNOB MECHANISM OVERHAUL Exploded View DW42B002 Special Tools ST 3192 1 ST 3205 ST 3210 Materials RM1204 RM2006 RM3115 RM3116 Disassembling procedures Note Refer to the Exploded view for following procedures SI ecc e aps e bs des Lm Lm Ems 7 Pull out the RL Lock Knob Retaining Nut Cover B0140 Using ST 3192 1 unscrew the RL Lock Knob Retaining Nut B0139 Pull out the RL Lock knob B0138 Remove the Lock Washer LW 28 Pull out the RL Lock Knob Plate A B0135 with O Ring B0136 and B0137 Pull out the RL Knob B0134 Loosen 3 screws ST1 7x3 on the RL Lock Adjusting Ring B0131 Turn BO131 counter clockwise until the RL Lock rotating Disk A B0132 is disconnected Loosen 3 screw 2 SF1 7x6 SF1 7x3 on the RL Lock Base Unit A B0126 through the hole of B0131 Pull out A B0126 RL Friction Disk B0129 RL Lock Friction Drum B0130 and B0131 Disconnect the RL Knob Shaft A B0123 and UD Knob assembly B0120 A BO118 Loosen 3 screws ST1 7x3 on the UD Lock Adjusting Ring B0116 Turn BO116 counter clockwise unit BO116 is disconnected Pull out the UD Friction Drum B0117 and UD Friction Dist BO115 Loosen 3 screws 2 ST1 7x6 ST1 7x3 on the UD Lock Base Unit A B0112 and pull out A BO112 Pull out the UD Lock R
59. ry Solder Paste SUS Soldering Flux Black Additive Heat Shrink Tube for OC Heat Shrink Tub Heat Shrink Tube for 1x1 1 Nylon Thread 0 128 mm CCD Insulation Tape _ 59 CONTAINER TUBE VIAL CAN TUBE TUBE TUBE OF Z11 CAN CAN CAN CAN VIAL VIAL SPOOL SPOOL 9 APPENDIX QTY 55g x 2 tubes 20g 200g 100g 100g 0 33l t 3508 5008 lkg 40g lit 20g 0 5m 0 5m 90K series 9 APPENDIX 9 2 SPECIAL TOOL LIST For details of position of use refer to the manual and exploded view TOOL No DESCRIPTION POSITION OF USE INDEX in MANUAL ST 1001 Scope Work Hanger ST 1004 Work Hanger Head PVE ST 1101 Water Leak Tester Base 8 2 ST 1104 W L Test Port 34 8 2 ST 1105 W L Test Port 36 38 D34 8 2 ST 1110 Water Leak Test Unit H X PVE 8 3 ST 2212 Staycoil Separator 28 3 1 ST 2214 Staycoil Separator 38 3 1 ST 2241 Staycoil Holder28 29 3 1 ST 2246 Staycoil Holder 38 3 1 ST 2275 B Rubber Expander 32 3 3 ST 2285 B Rubber Expander 38 3 3 ST 2311 Channel Retainer Pliers 4 6mm DIAM 2 4 1 ST 2315 Channel Retainer Pliers 3mm DIAM 4 3 ST 2320 Channel retainer Pliers GI 2 5 1 ST 2372 EOG Vent Plier 1 2 ST 2375 Control Body Holding Jig 90 2 6 2 ST 2699 Ob Lens Press 7 2 ST 2711 Ob Lens Press Adapter 7 2 ST 2718 Ob Lens Press Adapter 3870ZK 7 2 ST 2824 Ob Lens Press Head 3890K 7 2 ST 3126 Spanner Biopsy Inlet PVE GI 2 6 2 ST 3133 Spanner Skt Suc Nple PVE GI 2 5 4 ST 3161 Spanner LG Cntr Housing PVE 30 40
60. s Note Ensure that the space between the Ob lens and Distal Body is filled with SS 5 properly h Cure the Distal Body at room temperature for 12 hours ET Aligned the face 0 03 0 1mm he M 4 SESQORN CULA ka h ka x LATA i hh be 4 M AE LESS y OL aj Fig 7 2 5 2 50 90K series 7 SUB ASSEMBLY 3 Remounting LCB 1 2 3 4 5 6 1 8 9 10 Place 2 Distal Set Screw M1 2 Special A0025 into the Distal Body Fig 7 2 7 Check the bore and the back surface of LCB Lens Unit A A0002 If there is any particle of dust it must be removed Separate the LCB and make it straight Clean the top face of LCB and the metal pipe with E M solution damped tissue paper Fig 7 2 8 Apply a thin coat of SS 5 on the metal pipe of LCB as shown in Fig 7 2 9 Fig 7 2 8 Insert the LCB into the bore of the Distal Body until it bottoms checking from front Turn the LCB so that the end of the flat spiral coil will be inside of the Distal Body in order to prevent hitting the flat spiral coil during stuffing of the IFT Fig 7 2 10 Lightly tighten 2 LCB Set Screws A0025 Note Avoid too much force Fill the hole for A0025 with SS 5 Fig 7 2 11 Cure the Distal Body at room temperature for 12 hours Flat spiral coil Fig 7 2 10 Fig 7 2 11 5 90K series 8 INSPECTION 8 1 INSPECTION PROCEDURE Perform inspection on repaired scope in the following sequence Re
61. s Unit about 1 amp 1 4 turns starting from Right side as shown in Fig 7 2 2 Fill cavities between the excess insulation tape of cable side and j l l View from thread covering cement with SS 6 and fold the excess portion of Cable side the tape around the cable as shown in Fig 7 2 2 Remove excess SS 6 with tissue paper and cure more than 8 hours 49 90K series 7 SUB ASSEMBLY 2 CCD Module A P0001 installation a Check the surface of Insulation Tape RM8200 on CCD Module unit Objective Lens Unit If it is damaged replace Insulation Tape as shown by the above 2 1 a f b Wipe off inner wall of the Distal Body and the surface of the CCD module with E M solution damped tissue paper CCD module Distal Body c Apply thin coat of Silicone Sealant SS 5 RM2005 to the inner wall of attaching hole of Distal Body d Apply enough amount of SS 5 around on Objective Lens Unit CCD Module Unit Fig 7 2 3 Fig 7 2 4 e Introduce CCD Module into the Distal Body keeping the Up direction and remove excessive SS 5 Fig 7 2 5 Note Take care not to enter SS 5 into the nozzle f Align the face of the Ob lens unit to the face of the Distal Body so that the height of the Ob lens surface from the face of the Distal Body become within 0 03mm 0 1mm Fig 7 2 6 g Wipe off the excessive SS 5 with E M solution damped tissue paper Then clean the surface of Distal Body and the len
62. screw appearing externally with Silicone Sealant SS 6 RM2006 as corrosion protection 90K series 1 GENERAL 1 3 CHANNEL AND TUBES SCHEMATICS This Illustration shows the actual routes taken by air water and suction through a PENTAX Ultrasound scope A W FEEDING VALVE OF B188 SUCTION VALVE OF B120 A W Feeding Valve Suction Control Valve OF B188 OF B120 Water Air Air Feeding Water Feeding Channel Inlet Nozzle Nozzle Channel Channel Operation Channel water et Channnel Water Jet Junction Pipe Water Jet Water Bottle It depends on the model Video processor 90K series 1 GENERAL 1 4 STANDARD SCREWS AND OTHER MATERIALS 1 E M Solution A solution made of 7 8 part Ether C H5 2O and 3 2 part Methanol CH30H thoroughly mixed Widely used for cleaning optics Bending Rubber metal parts and as general purpose cleaning solution 2 Methanol CH3OH Ethanol C2HsOH Isopropyl alcohol IPA CH3 2CHOH l Alcohol is used for cleaning the plastic materials such as the outer sheath of Insertion Tube LG Cable Body Cover Grip and etc 3 Standard Screws Standard screws are expressed as follows Ex TW C N M 2 X 4 1 C Cross or Phillips head 6 1 25 3 4 355 2 N Panhead S Saucer head N S RS Oval headed saucer 3 S Headsize small L L M JI medium H JI High head Fig l 4 1 There are a few variations in this H and L families 4
63. terials RM2005 RM2006 RM3003 RM3115 Procedures 1 Body Cover Grip B0298 Installation 1 Apply Grease G M17 RM3115 to O Ring Special for Grip B0026 of the Control Body 2 Install Body Cover Grip B0298 to the Control Body Note Detach the O Ring B0173 from the FWD Body Frame when attaching or detaching B0298 in order to prevent the O Ring from cutting 2 Adjustment of the IFT alignment 1 Set the Control Body on ST 2375 as shown in Fig 6 2 2 2 Using ST 3209 loosen the Insertion Tube Attaching Nut A0058 slightly 3 Turning the Insertion Flexible Tube adjust to attain a correct relative position against theControl Body 4 Using ST 3209 tighten A0058 firmly after alignment was adjusted Fig 6 2 2 3 Biopsy Inlet Piece A B0231 Installation 1 Apply Silicone Oil SLOH RM3003 to O Rings B0252 B0253 of E the Biopsy Inlet Barrel A B0251 and O Ring B0442 of the Biopsy w Inlet Piece Attaching Nut B0441 boa 2 Using ST 3165 attach A B0251 to the Biopsy Inlet T piece A B0241 1 B0252 i through the bore of B0298 wer 3 Apply plenty of silicone sealant SS 6 RM2006 to the thread of B0441 and attach BO411 to BO298 with ST 3126 4 Wipe off the excessive SS 6 with IPA damped tissue paper A1 90K series 6 BODY COVER ASSEMBLY 4 FWD Body Cover attachment 1 Apply G MI7 to 2 O Ring B0300 of the Joint Seal Ring A B0299 and install A BO299 to B0298 as shown in Fig 6 2 4 2
64. tion Fig 7 1 2 1 2 4 UD Lock Lever Installation 1 2 3 4 5 6 D 8 9 10 11 12 Apply G M17 to 2 groove of B0071 for O Rings and attach O Rings m B0074 B0075 to B0071 ST 3205 Positioning the assembled Pulley housing on the Control Body Frame attach them with 3 screw CSS1 7x3 5 applying SLK R to the thread Apply G MI7 to O Ring B0075 on B0071 and O Ring B0102 on Control Body Lid A BO101 Using ST 3205 attach A B0101 to Control Body turning clock wise Apply G MI7 to O Ring B0074 on B0071 Attach UD Lock Lever A B0103 to B0071 Apply G MI7 to X Ring B0107 on A B0103 Attach the UD Knob Bottom Lid A B0108 to A B0103 Apply grease G M18 RM3116 to the pins and groove of the UD Lock Rotating Disk A B0110 and place A B0110 to B0071 Fig 7 1 3 Apply G MIS to the pin and springs of the UD Lock Base Unit A B0112 and attach A BO112 to B0071 so that the pin of A BO112 goes into the groove of A BO110 While pressing A B0112 tighten 3 screws 2 ST1 7x6 ST1 7x3 of A BO112 through the hole of B0116 and apply SLK R to the head of screws Fig 7 1 4 Note Do not apply SLK R too much in order to prevent flowing over to other part T d Lak Tus bt an h M GMIS Fig 7 1 3 Fig 7 1 4 Apply G M18 to the UD Friction Disk B0115 both sides and place B0115 on A BO112 so that the burr side of B0115 become downward Fig
65. to metal pipe of Jet Socket Cylinder A C0071 Apply 1 1 Epoxy Cement CMT 2 RM1003 on metal pipe and push Tube onto the pipe Apply CMT 2 on Tube Holding the tube attach C0075 onto the Tube by using of pliers Wipe off the excessive CMT 2 5 Air Water Supply Tubes 2 x A C0141 connection 1 Pass CCD Signal Wire Remote Control Wire and GND Wire into the attaching collar of LG Cable 2 3 4 Connector G M17 LG Connector A C0091 Take those elements out from the opening of the attaching collar Caution If the elements are taken out from wrong opening they will be crushed when Connector rotates Apply G MI7 to O Ring C0132 on Light Guide Cable and attach LG Connector to LG Cable Place A W Supply Tube Retaining Collar C0058 onto the metal pipe of Air Water Socket Cylinder A C005 1 a CMT le l of i Water Jet Tube Retaining Collar A C0161 C0075 CCD Sig Wire LCB Control Wire i CMT 2 Metal Pipe No distance allowed Fig 5 1 5 IZ LL eH WWW H A C0141 l COD Sig Wire C0058 Control Wire Metal Pipe 90K series 5 LIGHT GUIDE PART ASSEMBLY 5 Apply silicone sealant SS 1 RM2001 on metal pipe and push Supply Tubes onto metal pipe Caution The bottom of enlarged portion of the tube must touch to the end of metal pipe to prevent the moving disconnect
66. to the groove of A B0132 Turn BO131 in order to engage A B0132 Fig 7 1 13 Fig 7 1 13 46 90K series 7 SUB ASSEMBLY 8 RL Lock adjustment Attach the RL Lock Knob Plate A B0135 and RL Lock Knob B0138 temporarily and turn B0138 toward the lock side 2 Turn B0131 clockwise until it stops and turn it clockwise some more 3 Tighten 3 screw ST1 7x3 on B0131 temporarily 4 Disconnect A B0135 and B0138 5 Pull the RL Pulley wire and set it evenly 6 Attach the RL Knob B0134 and check the degree of the friction while deflecting bending portion c Fig 7 1 14 Fig 7 1 15 If the degree of the friction is not adequate perform following procedure Disconnect RL Knob and loose 3 screws ST1 7x3 on B0131 To increase degree of the friction Turn B0131 clockwise To reduce degree of the friction Turn B0131 counterclockwise and turn it clockwise Note Adjustment must be finished after turning BOI31 clockwise Engage B0134 and check the degree of the friction while deflecting bending portion 9 Repeat the above procedures until adequate degree of friction has been obtained 10 Disconnect B0134 and fasten 3 screws ST1 7x3 on B0131 and apply SLK R on the head of screw 47 90K series 7 SUB ASSEMBLY 9 RL Knob and RL Lock Knob installation 1 2 3 4 5 6 7 8 9 Apply G MI7 to O Ring B0124 on A B0123 Pull the RL Pulley wire and set it evenly and attach BO134 in the correct
67. toward the Distal end in order to remove the slack in the pulley wires Note Make sure that each of pulley wires has not tangled 297 90K series 4 CONTROL BODY PART ASSEMBLY f Holding 2 connecting receptacles mark two lines on the Control Body as shown in Fig 4 2 4 g Pull Right and Left angle wires in order to remove the slack in the angle wires h Apply thin coat of solder using small amount of SS FLX on the wire position as shown in Fig 4 2 4 i Place the Adjusting screws A0044 at the marked line as shown in Fig 4 2 5 j Flow solder from the end of the Adjusting screws Distal body side with soldering iron And heat the angle wire and A0044 until molten solder appears from the other side taking care to keep its position on the wire Note Take care not to apply solder on flatten and screw part of A0044 k Using warm water damped tissue paper clean the residual SS FLX on the solodered area and the Control Body in order to prevent corrosion 1 Cut the angle wires at the end of A0044 m Turn the connecting receptacles so that they are connected to A0044 Note Do NOT turn A0044 for connecting 11 5mm p XCD EZZ 212 ZZZ ZZA Angle wire o oo Soldering Iron Cut Q Beer Mc 9 S 77 E ZZ a poc eu ee 0 Marking Pulley wire Connecting receptacle Fig 4 2 4 2 Release the RL Lock Knob and turn the RL Knob to deflect bending portion for check 3 Turn t

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