Pressure Transducer
Contents
1. the top of the transducer 1 CONFIDENTIAL STAT M L 5000 5000S Cassette Autoclave Service Manual Pressure Transducer 96 104749 Rev 2 0 pressure transducer power switch view obscured line cord not shown transducer connector compression nut coiled transducer tube solenoid valve inlet T fitting compression nut _nutand washer 10 transducer bracket 11 screw and washer 12 chassis CHONAHARONS Figure 1 10 12 STAT M L 5000 5000S Cassette Autoclave Service Manual CONFIDENTIAL 96 104749 Rev 2 0 CONFIDENTIAL Pressure Transducer Pressure Transducer 3 Using a 3 8 inch wrench disconnect the compression nut 8 holding the coiled transducer tube 6 from the bottom of the transducer Using a 7 8 inch wrench or an adjustable wrench remove the transducer nut and washer 9 securing the transducer to the bracket 10 Should removal of the transducer bracket be necessary remove the screw and washer 11 holding the bracket to the chassis 12 If the transducer is damaged discard the transducer Replacing the Pressure Transducer To replace the pressure transducer 1 follow these steps see Figure 1 1 2 Make sure the power switch 2 is OFF and the unit is unplugged If the transducer bracket 10 was removed reinstall the bracket on the chassis 12 using the screw and washer 11 retained from disassembly Install the transducer in the transducer br2. 96 104749 Rev 2 0 Pressure Transducer Pressure Transducer STATIM 5000S units utilize a pressure transducer to measure the steam pressure in the unit The transducer is attached to a bracket located in the right rear corner of the unit Transducer wires are routed along the top of the armature to the Pressure Interface Board which is attached to the P2 printer connector of the Controller Board Checking the Pressure Transducer To check the pressure transducer follow these steps 1 Start any sterilization cycle Allow the cycle to enter the sterilization phase of the cycle and record the temperature and pressure readings shown on the LCD 2 Referto Chart A Match recorded temperatures with the chart temperatures and compare pressure readings If recorded pressure readings are within 7 kPa of the chart pressure readings the transducer is operational If not it must be replaced Chart A Temperature Displayed C Pressure Displayed kPa Rubber and Plastics Cycle Wrapped Unwrapped Heavy Duty Unwrapped Cycles Removing the Pressure Transducer Caution the pressure transducer steam generator and other components may be hot even if the unit has not been operating Guard against burns To remove the pressure transducer 1 follow these steps see Figure 1 1 Turn the power switch 2 OFF and unplug the line cord 3 not shown Allow time for the unit to cool 2 Disconnect the transducer connector 4 from
3. Change Record Document 96 104749 Title Pressure Transducer 04 0020 Updated chapter as per prEN13060 requirements January 16 2004 99 0059 New April 14 1999 8 STAT M L 5000 5000S Cassette Autoclave Service Manual CONFIDENTIAL
4. acket using the nut and washer 9 retained from disassembly Tighten with a 7 8 inch wrench or an adjustable wrench Reconnect the one end of the coiled transducer tube 6 to the bottom of the transducer Thread the compression nut 8 finger tight and then tighten the compression nut using a 3 8 inch wrench Do not over tighten If required reconnect the other end of the coiled transducer tube to the solenoid valve inlet T fitting 7 Thread the compression nut 5 finger tight and then tighten the compression nut using a 3 8 inch wrench Do not over tighten Hold the transducer bracket assembly with one hand and plug the transducer connector 4 onto the transducer Make sure the tab on the connector snaps in place Check that all fittings have been tightened and that all brackets are secured to the chassis Reconnect the line cord 3 not shown and turn the power switch 2 ON STATIML 5000 5000S Cassette Autoclave Service Manual Pressure Transducer 96 104749 Rev 2 0 8 Runa sterilization cycle and observe all fittings and tubes for leaks Check LCD read out for messages indicating cycle status 1 Pressure Interface Board 2 power switch 3 line cord not shown 4 printer cable 9 5 cable tie 6 armature 1 7 transducer connector 8 transducer 4 9 transducer wires 10 ejector latches 11 Controller Board 12 battery Figure 2 STAT M L 5000 5000S Cassette Autoclave Serv
5. e the battery 12 follow these steps See Figure 2 1 Remove the Pressure Interface Board as described in Removing the Pressure Interface Board Carefully desolder BAT1 from the solder side of the board Note the orientation of the anode and cathode Always replace the battery with a SciCan battery of equal rating and size Solder the replacement battery in position BAT1 See Pressure Interface Board Schematic Discard the old battery Observe all applicable environmental laws Replace the Pressure Interface Board as described in Replacing the Pressure Interface Board H STAT M L 5000 5000S Cassette Autoclave Service Manual CONFIDENTIAL Pressure Transducer 66F yO AYA Q9Spvol vO IMO SOVAHSLNI AYNSSSYd BSSHSENSONIMZ 9 XI 30 NOISIATO NVO 19S gSrr0l to IN d ASSY Y3INASNYYL BYNSS3Hd OL 96 104749 Rev 2 0 YBLNIbd OL b ed St 2d Geen G vi ed Beste Et d SNLYLS d beed isd d ae Ol d 13S30 Lt g AO 6 2d Z 3B0HIS d SE 8 2d OYLYO 22 viva 9 2d evlvd 3 202 viva Kat pYLVd E Seen a ed2__sviva a t d 2vLvd eo0etsa en PPG wn YN3 OLY ToM7ivd dig oS E EERE T Ca g not ST Eg so E et Ed Ft Ed G snivis g BEI Ed EEEN SR KUSS d Ze Deen S URZE d E Echt E 380018 d YSTIOWLNOD oL STAT M L 5000 5000S Cassette Autoclave Service Manual CONFIDENTIAL Pressure Transducer 96 104749 Rev 2 0 Document
6. ice Manual CONFIDENTIAL 96 104749 Rev 2 0 Pressure Transducer Pressure Transducer Removing the Pressure Interface Board Hazardous voltages are accessible on the controller board when the power is on STATIM units contain electronic circuitry which is static sensitive Always wear a static strap when working with or near printed wiring boards In addition use static foot straps grounding mats and grounded work surfaces when servicing microprocessor devices Transport boards and devices in static protected bags The Pressure Interface Board is a piggyback board assembly which is attached to the P2 printer connector of the Controller Board using the latch mechanism of the P2 header To remove the Pressure Interface Board 1 follow these steps see Figure 2 1 Turn the power switch 2 OFF and unplug the line cord 3 not shown 2 Disconnect the printer cable 4 if present from Pressure Interface Board connector P2 3 Disconnect the transducer wires 9 from Pressure Interface Board terminal positions P1 1 SIG blue wire signal P1 2 V red wire V and P1 3 GND black wire ground 4 Press the ejector latches 10 of Controller Board 11 connector P2 to unseat the Pressure Interface Board and remove the board Replacing the Pressure Interface Board To replace the Pressure Interface Board 1 follow these steps see Figure 2 1 Orient the Pressure Interface Board with the component
7. side of the board facing away from the Controller Board 11 and the P2 connector on the left hand side Gently seat the Pressure Interface Board onto the Controller Board P2 connector until the ejector latches are in an upright position Do not crush or pinch the thermocouple leads Support the controller board to avoid excessive deflection of the controller board CONFIDENTIAL STATIML 5000 5000S Cassette Autoclave Service Manual Pressure Transducer 96 104749 Rev 2 0 Pressure Transducer 2 Connect the transducer wires 9 to Pressure Interface Board terminal positions P1 1 SIG blue wire signal P1 2 V red wire V and P1 3 GND black wire ground Connect the printer cable 4 if present to Pressure Interface Board connector P2 Ensure that Pin 1 of the keyboard cable aligns with Pin 1 of Pressure Interface Board P2 Plug in the line cord 3 not shown and turn the power switch 2 ON Run a sterilization cycle and observe LCD read out for messages indicating cycle status Calibrate the thermocouples See Thermocouple Calibration Removing and Replacing the Battery Observe appropriate ESD safeguards when servicing When installed and a printer attached the real time clock and battery on the Pressure Interface Board replace the clock and battery found in the printer module The battery requires replacement when the date time function is not preserved when power is removed To remov
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