Solenoid Valve Repair, Removal and Replacement
Contents
1. MICROSWITCH IS NOT ACTIVATED See Required Information Tools and Routine Mainte nance the Control Box 2 Turn the power switch OFF and unplug the unit If the solenoid is activated during disassembly the coil will be damaged 3 Disconnect the solenoid leads from the Controller Board terminal block positions labelled J1 7 LINE and J1 8 NEUTRAL Use a multimeter in diode setting to determine whether or not the coil has failed If the meas ured values are approximately equal in each direction the coil has not failed If there is no measured value or the values are other than approxi mately equal replace the coil assembly 4 Remove the nut 1 from the top of the solenoid valve assembly using an 11 16 inch wrench STATIM STATIM 1000 2000 Cassette Autoclave Service Manual 2 CONFIDENTIAL Solenoid Valve Repair Removal and Replacement 96 104254 Rev 1 0 5 10 11 12 13 14 15 16 17 18 19 Pull the yoke 2 and coil 3 off the plunger tube 4 in an upward direction Note the orientation of the yoke and coil for reassembly To allow the coil to rest outside the unit cut any cable ties reguired Unscrew the plunger tube from the valve body using the solenoid plunger tube wrench 5 and a 3 4 inch wrench or adjustable wrench Check that the plunger is moving freely in the valve body See Required Information Tools and Routine Maintenance Remove the plunger 6 plunger spring 72. and bronze disc 8 from the valve plunger tube body Inspect the o ring 9 and the plunger seal 10 for nicks compression set or swelling the seal should not extend more than 0 010 inches from the plunger body Inspect the valve body 11 for debris If the debris appears to be fragments of rubber inspect the cassette seal for damage Clean the valve plunger valve body and fittings using oil free com pressed air to blow debris from the surfaces Once the valve components have been inspected determine if the assembly needs cleaning only a new coil the repair kit for the solenoid valve or an entire valve assembly See Spare Parts Reinstall or replace the bronze disc 8 plunger spring 7 plunger 6 and o ring 9 to the plunger tube 4 Order SciCan Kit Part 01 100998S Screw the plunger tube into the valve body 11 and tighten using the solenoid tube wrench Place the coil 3 inside the yoke 2 and place onto the plunger tube Reinstall the coil retaining nut 1 Connect the leads to Controller Board terminal block positions la belled J1 7 LINE and J1 8 NEUTRAL These two wires are interchange able Test the solenoid by activating the solenoid switch on the Control box REMOVE OR UNSEAT THE CASSETTE SO THAT THE MICROSWITCH IS NOT ACTIVATED See Required Information Tools and Routine Maintenance the Control Box If the solenoid valve assembly or the solenoid coil is replaced a dielectric strength te
3. Solenoid Valve Repair Removal and Replacement 96 104254 Rev 1 0 Solenoid Valve Repair Removal and Replacement The unit being serviced has been manufactured using one of two types of solenoid valve Type A is a two part square bodied unit Type B is a two part cylindrical bodied unit see Figure 1 Ifa Type A unit requires servicing or has failed replace it with a Type B solenoid valve ONLY E 4 4 2 gt aa 3 8 A E 6 Oo i 41 9 Type B Solenoid Valve 1 nut 7 plunger spring 2 yoke 8 bronze disc 3 coil 9 o ring 4 plunger tube 10 plunger seal 6 plunger 11 valve body Figure 1 Inspecting and Repairing the Type B Solenoid Valve The solenoid valve assembly may be inspected and or repaired while in the unit To inspect and or repair the assembly follow these steps see Figures 1 and 2 1 To determine that the solenoid is working test the solenoid valve by using the solenoid valve switch on the Control box When the switch is CONFIDENTIAL 1 STATIM STATIM 1000 2000 Cassette Autoclave Service Manual 96 104254 Rev 1 0 Solenoid Valve Repair Removal and Replacement N ee 6 d g La a 3 coil FA 7 4 plunger tube T 5 plunger tube a CN i f 6 plunger lt l Y X 11 valve body X 4 mun SA 11 q EN gt gt Sam E aa as n Figure 2 activated the sound of the coil energizing can be heard REMOVE OR UNSEAT THE CASSETTE SO THAT THE
4. ment 96 104254 Rev 1 0 Replacing the Solenoid Valve To replace the solenoid valve assembly follow these steps see Figure 3 1 Make sure the power switch is OFF and the unit is unplugged 2 Connect a new outlet probe tube 3 to the solenoid valve inlet fitting 8 Thread the compression nut finger tight on the inlet fitting 3 Place the solenoid valve assembly in the unit 4 Connect the other end of the outlet probe tube 3 to the outlet probe fitting on the probe bracket outlet fitting 4 Thread the compression nut finger tight on the inlet fitting Tighten the nuts on both ends of the outlet probe tube using a 7 16 inch wrench DO NOT OVER TIGHTEN 5 Attach the solenoid valve bracket 6 to the chassis 7 using the two screws 5 retained from disassembly one on the inside of the chassis one on the outer rear surface of the chassis 6 Route the solenoid valve leads 1 together with the bundle of wires extending to the Controller Board and connect the leads to Controller Board terminal positions labelled J1 7 LINE and J1 8 NEUTRAL These wires are interchangeable in the positions 7 Bundle the wires together and secure them using cable ties every 2 3 inches 8 Test the solenoid by activating the solenoid switch on the Control box REMOVE OR UNSEAT THE CASSETTE SO THAT THE MICROSWITCH IS NOT ACTIVATED See Required Information Tools and Routine Maintenance the Control Box 9 A dielectric strength tes
5. st Hi Pot and a protective bonding impedance test ground continuity MUST be performed on the STATIM STATIM 1000 2000 unit See Required Information Tools and Routine Maintenance Replace any cable ties cut during the procedure CONFIDENTIAL 3 STATIM STATIM 1000 2000 Cassette Autoclave Service Manual 96 104254 Rev 1 0 Solenoid Valve Repair Removal and Replacement Removing the Solenoid Valve To remove the solenoid valve follow these steps See Figure 3 1 Turn the power switch OFF and unplug the unit 2 Carefully cut the cable ties holding the solenoid valve leads and disconnect the leads 1 from the Controller Board terminal block positions labelled J1 7 LINE and J1 8 NEUTRAL 3 Disconnect the compression nut 2 holding the outlet probe tube 3 to the outlet fitting 4 on the probe bracket assembly 4 Remove the two screws 5 that attach the solenoid valve bracket 6 to the chassis 7 one on the inside of the chassis one on the outer rear surface of the chassis 5 Inspect the solenoid valve to determine whether servicing or replacement is warranted See Repairing the Solenoid Valve Assembly 4 3 7 5 6 1 solenoid leads 6 solenoid valve bracket 2 compression nut 7 chassis 3 outlet probe tube 8 solenoid valve inlet fitting 4 outlet fitting 5 screw Figure 3 STATIM STATIM 1000 2000 Cassette Autoclave Service Manual 4 CONFIDENTIAL Solenoid Valve Repair Removal and Replace
6. t Hi Pot and a protective bonding impedance test ground continuity MUST be performed on the STATIM STATIM 1000 2000 unit See Required Information Tools and Routine Maintenance 10 Runa sterilization cycle and observe all fittings and tubes for leaks Check LCD read outs for messages indicating cycle status eS EE EE CONFIDENTIAL 5 STATIM STATIM 1000 2000 Cassette Autoclave Service Manual 96 104254 Rev 1 0 Solenoid Valve Repair Removal and Replacement EEE E E EE oco STATIM STATIM 1000 2000 Cassette Autoclave Service Manual 6 CONFIDENTIAL Solenoid Valve Repair Removal and Replacement 96 104254 Rev 1 0 Document Change Record Document Number Title MANUAL SERVICE STATIM SOL VALVE 96 104254 I J PPDTPYPUPZPVPRDRTRTRTTTT TT SS TDTDTDPDPTPTIPIZD A AEE EE AA EEE EEE AE A CONFIDENTIAL 7 STATIM STATIM 1000 2000 Cassette Autoclave Service Manual
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