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Rev 8, Dated 27-2-2018

58

d) Loose two M10X70mm Allen bolt of bottom roller as shown in fig.13.

Fig 13

e) Remove six M10X30mm Allen CSK bolt from wooden board as shown in fig.14.

Fig14

Two

M10X70mm

Allen bolt

1

2

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Содержание ST WIN

Страница 1: ...Rev 8 Dated 27 2 2018 1 ST WIN Service Manual Nasan Medical Electronics Pvt Ltd All Rights Reserved...

Страница 2: ...ON 5 PROBLEMS SOLUTIONS AND MATERIAL REQUIRED TO SOLVE THE CALL 6 APPENDIX A TREADSTAR TABLE B USE OF CLAMP METER C 15 PIN SIGNAL DETAILS D TOOLKIT E BASIC PATIENT PREPARATION F IMPORTANT NOTE G EARTH...

Страница 3: ...IST PAGE NO 1 Independent testing of the treadmill 27 2 Changing of 10 K10 turn pot 27 3 Changing of AC motor 29 4 Changing of Dc motor 30 5 Changing of AC card DC drive Assembly to ACDC drive combine...

Страница 4: ...30V AC MAINS STWIN AMPR TREADMIL L COMPR TREADMILL PC TO PATIENT FUSE 2A POWER CORD COMING FROM AC MAINS ON OFF SWITCH 15 PIN CONNECTOR GOING TO TREADMILL TPC cable LED INDICATION FOR SPEED AND ELEVAT...

Страница 5: ...B memory PCI VGA card or onboard 6 Monitor 14 color monitor or onboard 7 SMPS Recommended Make Priya Mercury Intex Capacity 300 Watt 8 Hard disk Recommended Make Seagate Size Barracuda 40 Gb 7200 RPM...

Страница 6: ...up to 1st stage only and no further elevation 14 6 Treadmill elevates de elevates slightly 14 7 No medians and no heart rate 16 8 While coming down treadmill not stopping 17 9 Slow speed and slight e...

Страница 7: ...y 5 mm from the flywheel a sensor is located Refer fig 4 b Each time the flywheel rotates one cycle the sensor detects it and the LED on AC DC card flashes If the LED is not flashing on every rotation...

Страница 8: ...Rev 8 Dated 27 2 2018 8 Fig 3 TOP VIEW AC MOTOR FRONT ROLLER CONDENSOR GEAR BOX AC DC COMBINE D CARD FLYWHE EL SPEED SENSOR DC MOTOR...

Страница 9: ...esting the treadmill independently then the problem probably lies on the treadmill side First check whether the speed indication feedback LED Fig 9 is glowing on AC DC drive 6 If it is not glowing the...

Страница 10: ...n amplifier silicon oil 200ml Problem 4 Speed goes on increasing when we switch on the treadmill Uncontrolled speed Possible cause 1 When the stress test is started and the program goes into the first...

Страница 11: ...e is a problem in ac dc drive then it will take large current then normal in that case blowing of the fuse may occur Solution Change the broken speed sensor or magnet if needed Material Req Fuse senso...

Страница 12: ...oblem 1 No Elevation Background 1 In our treadmill the function of elevation is performed with the help of ac dc drive and ac motor 2 To make treadmill understand when and to what degree it should ele...

Страница 13: ...t between pot and pinion gets misaligned the pot will not rotate properly and the feedback will not be proper This will result in wrong elevation or random elevation Solution Change 10 k pot if existi...

Страница 14: ...hange AC DC drive Material Req AC DC Drive silicon oil 200ml Fig 6 FRONT PANEL CONNECTIO Problem 5 Treadmill elevates properly up to 1st stage only and no further elevation Possible cause Treadmill no...

Страница 15: ...n 180 v 5 If treadmill is elevating and de elevating properly independently from 15 pin d type female connector but elevating or de elevating slightly in test treadmill or calibration program then STW...

Страница 16: ...cannot be calculated Cause If heart rate is not calculated then the medians will also be not displayed Solution 1 Change the QRS detection lead from menu option so that the Q detection lead is with ta...

Страница 17: ...Hz 2 Treadmill not calibrated for speed and elevation 3 Treadmill and amplifier both not connected on one and the same phase 4 Problem in amplifier Solution 1 If PC configuration is less than P III 55...

Страница 18: ...isabling these softwares right click on the icon and select disable 1 Remove unnecessary files in startup click on start run type MSCONFIG startup tab 2 Then restart PC Material Req Remove unnecessary...

Страница 19: ...written procedure is also to be followed for new DAO setup Material Req Software CD Problem 6 lead I is coming inverted Solution There are two ways in which lead I may come inverted 1 Lead I is deriv...

Страница 20: ...ending upon the input voltage range the relay inside the stabilizer operates to stabilize the output voltage But this relay operation generates a spike at the output This spike creates a problem to DC...

Страница 21: ...est are going on Solution 1 Checks the DSP IC If not working properly change it 2 If the unit has DIP IC then change that IC Material Req IC s DSP Problem 5 Noise observed on lead V6 Solution Change 1...

Страница 22: ...Rev 8 Dated 27 2 2018 22 Fig 9 WIRING DIAGRAM OF AMPLIFIER...

Страница 23: ...t limit to be checked with Clamp meter See fig 1 for how to connect clamp meter NOTE With load current can vary somewhat B Use of Clamp meter for measurement of AC current Clamp meter is used to monit...

Страница 24: ...same is shown on its digital display as shown in below fig Fig10 Clamp meter connected with high frequency drive to measure AC current C 15 pin connector signal details 1 5 VDC 9 Speed Increase 2 NC...

Страница 25: ...VICWIK 11 MULTIMETER ITS RODS 24 PIECE OF WIRE GREEN BLACK RED 14 36 3 FEET EACH 12 DISPOSABLE ELECTRODES 10 IN No 25 INSULATING TAPE 13 FUSE WIRE 5A 15A 26 SLEEVE Spares 1 10 K 10 turn pot 5 All type...

Страница 26: ...andage tape across the electrode From loop of patient cable and apply medical adhesive tape if necessary E Important Notes for servicing 1 While fitting limit switch use plain washer and spring washer...

Страница 27: ...in elevation up then on ac card connector short pin no 1 and 7 and get the elevation up 8 Short pin 1 and pin 8 and check that treadmill moves down linearly After reaching bottom position ground level...

Страница 28: ...pot is mounted 14 Again ensure that the voltage between a1 and a2 is 950mvdc tolerance of 4 mill volt is acceptable 15 Ensure that the elevation up and down takes place smoothly and ensure teeth of bo...

Страница 29: ...h plain and spring washers for VISHWAS motor make 11 Loose the Allen grub screw of 44t sprocket This sprocket is fitted on the pinion of the treadmill 12 Align both the sprockets 11T 44T such that bot...

Страница 30: ...y are 6 Remove Bakelite sheet from its position 7 Mark Top Bottom sides of Bakelite before removing 8 Place ACDC Drive on Bakelite Sheet Centrally and mark the four corners of ACDC drive box on Bakeli...

Страница 31: ...es of ACDC Drive and connect to LIVE L point of AC Mains connector CON 10 Bring black wire from 3 core AC Mains cable looped at side of ACDC Drive and connect to NEUTRAL N point of CON 10 Connect Yell...

Страница 32: ...e Sleeve 3 mm 1 mm 1 meter 20 Heat syncable Sleeve 2 5 mm 1 meter 21 Brass lugs 10 22 Silver lugs 6 23 Cable tie with pads 15 sets 24 Supporting mounting plates 25 5 flat 2 nos 25 Screws M5 50 6 nos 2...

Страница 33: ...Now tight the screw which is on the nylon gear 5 Now give power supply to actuator through mains i e 230 V AC Use white wires as common wire and use red for up movement and black for down movement Aft...

Страница 34: ...actuator 4 Switch ON treadmill 5 Connect multimeter black probe common at pin 3 of J 8 connector which is on high frequency drive PCB 2k8005v3 6 Connect multimeter red probe at pin 2 of J 8 connector...

Страница 35: ...for removal Take another person for help because the roller is heavy 10 Fix new roller in that place 11 Apply reverse procedure for fixing new roller 12 Take care while setting the conveyer belt that...

Страница 36: ...for connection if they are not damaged else use new 7 Align the limit switch according to the stopper plate 8 Switch ON the treadmill 9 Test the limit switch manually i e whether it stops when touche...

Страница 37: ...s User can test the treadmill by increasing decreasing the speed and grade buttons by pressing the arrow button seen on the dialog box Treadmill tester 3 Test acquisition Test acquisition is used to t...

Страница 38: ...brated and stored These calibration constants are displayed in ST Win configuration dialog box 3 If an error is detected this message appear on the screen Fig 3 B Calibrate speed For calibrating the s...

Страница 39: ...ants are calculated and saved Treadmill Speed constant Treadmill Slope Treadmill Elevation constant are displayed in ST Win configuration dialog box For Treadstar XP actual time taken and hence speed...

Страница 40: ...s the AC DC drive is floating do not connect earth or ground to it This will damage the dc motor circuit of the card 3 While interchanging AC DC drive always refer to wiring diagram 2 Earthing The Ear...

Страница 41: ...Dated 27 2 2018 41 Fig 12 Earthing Procedure Checking of voltages 1 Earth to neutral voltage Insert the pins of multimeter between E and N 2 Earth to live voltage Insert pins of multimeter between N...

Страница 42: ...04 04 Orange 05 05 Yellow 06 06 Green 07 07 Blue 08 08 Violet 09 09 Grey 10 10 White 11 11 Pink Short Shield to pin no 4 of F conn 2 STWIN TO SERIAL PORT CABLE DETAILS 09 Pin D type M conn pin no 09 P...

Страница 43: ...Problem solutions and material required to attend the call 4 Appendix a Cable diagrams b Assembling and disassembling of Treadmill parts c Replacing AC DC combined card with High frequency drive 1 Sy...

Страница 44: ...2 Treadmill Controller Body level system Fig 3 Back Panel of Treadmill Controller system Speed Dn LED Speed Up Elevation Dn LED Elevatio n UP Power LED Body Level Cable from treadmill controller to bo...

Страница 45: ...2 Photos of serviceable parts PCBs Fig 4 SPEED SENSOR Fig 6 FRONT PANEL CONNECTION Magnet embedded in the flywheel Speed Sensor DC Motor From AC Mains From Treadmill Controller To Emergency stop swit...

Страница 46: ...ated 27 2 2018 46 Fig 7 High frequency drive connections L E N C Up Dn M M Connector for DC motor 15 Pin TPC Connector Speed Sensor Connector Elevation Sensor Connector Mains 230V 50Hz Connector for A...

Страница 47: ...machine NOTE Testing of limit switch 1 First check that there is continuity between C common terminals of limit switch with NC normally closed terminal of limit switch And there is no continuity in be...

Страница 48: ...l controller If still problem persists change High frequency drive 2 No Speed Conveyor belt is not moving at all 1 Run test Treadmill program from S W under utilities menu and click on appropriate but...

Страница 49: ...firm that Treadmill and PC both are connected to one and the same phase only Always give power from one and the same extension board to Treadmill and ensure that Earth voltage is less than 5V If not c...

Страница 50: ...ities and increase the speed up to 10 km hr in steps of 1 km hr ask a person to walk on Treadmill Here the actual speed is reducing adjust compensation trim pot P3 slightly so that sufficient current...

Страница 51: ...uator 2 Treadmill runs smoothly for first couple of stages after that it elevates randomly This occurs if 10K Pot of Actuator doesn t work properly If not adjust change it properly 10K pot High freque...

Страница 52: ...eck If amplitude of R wave is not less than 0 4cm in QRS detection lead If it is less than 0 4 cm then Change the QRS detection leads from menu option so that the Q detection lead is with tall R wave...

Страница 53: ...he input voltage changes by more than 10 20 volts 8 If this output voltage to Treadmill is also varying with changes in supply voltage the stabilizer needs to be repaired immediately 9 There are diffe...

Страница 54: ...Short Shield to pin no 4 of F conn Note if TPC cable of STWin amplifier is to be used with high frequency drive then make one extra connection of pin 2 as shown above 2 TREADMILL CONTROLLER TO SERIAL...

Страница 55: ...ion w r t some fixed part of treadmill so that there will be no problem on mounting it back to treadmill 1 Fitting front and side handle to Treadmill For front handle a First place front handle in its...

Страница 56: ...and other end to bottom slot of treadmill as shown in fig And then fix its one end facing front handle with M10X25mm Allen bolt and other end facing bottom drill of Treadmill with M10X10mm bolt and M...

Страница 57: ...e by removing Nut bolt arrangement used in fitting side handle as described in point 1 under heading Fitting front and side handle to Treadmill c Remove top cover of treadmill by removing seven M6X16m...

Страница 58: ...8 Dated 27 2 2018 58 d Loose two M10X70mm Allen bolt of bottom roller as shown in fig 13 Fig 13 e Remove six M10X30mm Allen CSK bolt from wooden board as shown in fig 14 Fig14 Two M10X70mm Allen bolt...

Страница 59: ...wooden board from treadmill as shown in fig 16 1 Precaution On back side of wooden board there are two rod to hold the conveyor belt to its correct position as shown in fig 16 2 While removing wooden...

Страница 60: ...8 Dated 27 2 2018 60 j Remove M8X30mm fixed bolt which is on other end of roller as shown in fig 17 Fig 17 k Now remove front roller as shown in fig 18 Fig 18 Treadmill after removing front roller 1 2...

Страница 61: ...Removing Bearing of front and back roller a First remove Bearing lock from both side of roller with aid of inner Pliers as shown in fig19 2 Fig 19 Bearing lock 1 2 Bearing lock after removed from roll...

Страница 62: ...ther end so that bearing will come out from it as shown in fig 20 1 and then remove Bearing from it as shown in fig20 3 Fig 20 Removing Bearing from Roller Note Follow same step for removing all four...

Страница 63: ...t by removing M10 nut as shown in below fig21 Fig 21 c Remove M10X70mm Actuator pipe mounting Allen bolt by removing M10 nut from it as shown in fig 22 Fig 22 d Now remove actuator wiring from high fr...

Страница 64: ...adjuster M10X30mm hex bolt c Remove DC motor fly wheel retainer plate by removing M12 hex bolt as shown in fig 23 Fig23 d After removing fly wheel retainer plate remove timer belt which is attached to...

Страница 65: ...nd Compact Machine d Upper and lower limit switch con15 con7 connection Remove wire from these two connector and do taping on them as we have already done limit switch connection according to fig 8 in...

Страница 66: ...every 4 months to maintain smooth operation of treadmill belt Follow the below steps to pour silicon oil below belt 1 Take 20 ml silicon oil in insulation syringe 2 Pour all 20 ml blow front both sid...

Страница 67: ...Rev 8 Dated 27 2 2018 67 4 Take 20 ml of silicon oil and pour from bottom side evenly...

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