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T-SM47j

P15/54

T20-a

OPERATION TABLE

PROCESSOR
CONTROL

FET DRIVERS

MOTOR

POSITIONAL
FEEDBACK

OVER
CURRENT
MANAGER

CONTROL FROM
HOST MICRO

AXIS TILT

AXIS TREND

AXIS HEIGHT 1

AXIS HEIGHT 2

POSITION ENCODERS AND
ANCILLARIES

OVER CURRENT MANAGERS

CONNECTORS

INC:
CONNECTORS & INTERFACES
MICRO CONNECTORS

POWER
MANAGEMENT

AXIS BREAK RIGHT

AXIS TRAVERSE

POSITION
MONITORS

OVER CURRENT
MANAGERS

CONNECTORS

POWER
MANAGEMENT

PROCESSOR

COMMUNICATIONS
INTERFACE

CONNECTOR 64 WAY

Keyboard Encoder

Infrared Driver / Emitter

Battery

Keyboard

Power Management

Keyboard Encoder

Connector/Lead

Keyboard

Power Management

Processor

RS232 Decoder/Driver

Basic control and feedback - all actuator drivers

Four Actuator PCA

Three actuator PCA

Processor PCA

Handset corded version

Handset remote version

Fig. 3.1 Schematic diagrams

Содержание T20-a

Страница 1: ...T20 a OPERATION TABLE Service manual T SM47j 111707...

Страница 2: ...Road Lancing West Sussex BN15 8TJ England Tel 44 0 1903 765040 Fax 44 0 1903 875711 Overseas Customers Contact your local distributor In case of doubt contact Eschmann Equipment Patents and Trade mar...

Страница 3: ...c covers 23 6 2 4 1 Removal of telescopic covers 23 6 2 4 2 Refitting the telescopic covers 23 6 2 5 Bellows 23 6 2 5 1 Removal of the bellows 23 6 2 5 2 Replacing the bellows 24 6 3 Table base compon...

Страница 4: ...7 6 7 8 Base pedals 48 6 7 9 Cycle of movements 48 6 8 Accessories 48 Figures 1 0 Identification of main parts 6 2 1 Major dimensions and movements 10 2 2 Maximum patient weights 11 2 3 Maximum patien...

Страница 5: ...equired for components are detailed in the part replacement section 6 0 for that item to save duplication As routine the Service Schedule should be followed in the event of an additional service due t...

Страница 6: ...P6 54 T SM47j Fig 1 0 Identification of main parts NOTE The table illustrated has external pedal locking catches Some tables have internal locking catches see section 6 2 and 6 3 for details...

Страница 7: ...ies in bulk charge Amber Mains on batteries in top up charge duration 2 hours Green Mains on batteries in trickle charge i e fully charged 20 Standby battery charging state LED colour code as main bat...

Страница 8: ...y with a large amount of tilt set maximum Trendelenburg cannot be achieved Max Trendelenburg 1 35 Max reverse Trendelenburg 1 35 Max extension 4 230 Max flexion 4 90 Head section 5 45 Leg section 3 10...

Страница 9: ...d class of this table as marked on the table or section by the use of these symbols 2 7 Use in conjunction with other equipment 2 7 1 Electrosurgical equipment h f The T20 a operation table has been d...

Страница 10: ...y may not be available in certain combinations e g maximum tilt and maximum Trendelenburg Movements that could cause damage cannot be catered for e g position of the leg section Fig 2 1 Major dimensio...

Страница 11: ...T SM47j P11 54 T20 a OPERATION TABLE Fig 2 2 Maximum patient weight v table position graphs...

Страница 12: ...P12 54 T SM47j Fig 2 3 Maximum patient weight v table position graphs...

Страница 13: ...consists of the interface to the infrared handset corded handset via RS232 footswitch and standby panel It also controls the table power LED The main controller communicates with the two actuator con...

Страница 14: ...odulated signal is fed to the infrared LED via a FET The whole system is powered via 2 AA batteries 3 2 2 2 Corded handset The 4 x 5 matrix keyboard is decoded using a proprietary keyboard decoder Thi...

Страница 15: ...AXIS BREAK RIGHT AXIS BREAK RIGHT AXIS TRAVERSE POSITION MONITORS OVER CURRENT MANAGERS CONNECTORS POWER MANAGEMENT PROCESSOR COMMUNICATIONS INTERFACE CONNECTOR 64 WAY 4 12 44 Keyboard Encoder Infrar...

Страница 16: ...emoval Replace the actuator as soon as possible 4 5 Working with mains voltage The only time that it may be required to work with mains voltage applied to the table is whilst testing the battery charg...

Страница 17: ...overs and check battery fuses see section 5 3 1 and 6 6 26 Also look to see if the PCA indicator lights are flashing on for 1 second and off for 1 second If they are off or flashing faster this indica...

Страница 18: ...atch mechanisms 6 3 12 and renew the anti slip pad on both pedals 6 3 11 7 Check security of all fixing screws nuts and retaining clips within the base area and check the pedal operation works smoothl...

Страница 19: ...oth break arms in the short trunk move up and down together If required replace adjust or recalibrate 6 5 2 3 and 6 5 2 4 27 Service infrared handset 6 6 23 Check function and condition of corded hand...

Страница 20: ...riate safe working procedures for live working are adopted see section 4 5 6 1 7 To avoid duplication of common procedures a cross reference to the required part of the manual detailing the procedure...

Страница 21: ...ace screws Note These screws differ in length and must be put back as found short 12mm to short trunk end long 15mm to long trunk end iii Raise the telescopic covers to gain access to the lower part o...

Страница 22: ...ail To remove rivets a Pull up plunger head see B do not damage rivet head b Pull rivet out of cover see A To replace rivets a Align holes in cover sections see A b Place rivet in hole so that shoulde...

Страница 23: ...on on the column PCA vi Continue to lower the telescopic covers and disconnect the earth wire from the middle telescopic cover where it is connected to the wrap round vii Remove the four screws two pe...

Страница 24: ...ct parts are used during part replacement refer to the illustrated Parts list 6 3 2 Batteries IMPORTANT NOTE See section 6 6 26 battery management system reconditioning before changing the batteries i...

Страница 25: ...ints are observed a Correct positioning of all components and refer to note on Fig 6 2b b Use threadlock part number 670650 on all threads and tighten castor screws to 4Nm Do not overtighten as this c...

Страница 26: ...P26 54 T SM47j Fig 6 2a Table base general arrangement external pedal catch Torque settings M10 x 40mm screws securing item 1 to item 2 40Nm Castor screws 4Nm Note Item 28 no longer fitted...

Страница 27: ...ont pedal shaft thrust ring 24 Rear pedal 25 Front pedal 26 Front castor plate shim 27 Castor plate 28 M10 x 50mm Screw 27 28 29 30 31 32 33 34 35 36 TYPICAL CASTOR ASSY 29 M10 nut 30 Castor insulatio...

Страница 28: ...ont pedal 26 Front castor plate shim 27 Castor plate 28 M10 x 50mm Screw 27 28 29 30 31 32 33 34 35 36 TYPICAL CASTOR ASSY 29 M10 nut 30 Castor insulation pad 31 Castor pillar bush 32 Static discharge...

Страница 29: ...d in section 6 3 3 using the grease and threadlock as specified v Replace covers as section 6 2 2 2 and check all base functions for correct operation 6 3 10 Pedal catch block To replace or adjust the...

Страница 30: ...assembly WARNING Removal and replacement of the telescopic column assembly entails lifting the trunk sections the complete wrapround assembly and blocking up the base assembly These procedures require...

Страница 31: ...j P31 54 T20 a OPERATION TABLE now part of item 4 now part of item 1 Fig 6 3 Table column general arrangement Note Use threadlock Part No 113042 on all fixings crews within the tilt and Trend gimbal f...

Страница 32: ...ectrical connections as required and ensure the loom from the connector block is free from any fixing to the table iii Remove the connector assembly block two screws and release the tilt potentiometer...

Страница 33: ...s been removed between the release handle actuator and the gas spring release button then back off approximately half a turn Apply threadlock part number 670650 and tighten the piston locking nut onto...

Страница 34: ...P34 54 T SM47j Fig 6 4 General arrangement of head and leg section Note Leg section illustrated Torque settings Guide pin screw 8Nm Gas spring shoulder screw 10 Nm Sidebar screw 15Nm...

Страница 35: ...s 6 5 2 7 Push button components 6 5 2 8 Traverse rod bearing 6 5 2 9 Drive belt guide needle bearing 6 5 2 10 Attachment blocks 6 5 2 11 Black tops To gain access for some of these procedures it is n...

Страница 36: ...ightening the M10 set screws ensure that they only engage onto the flat of the lead screw and do not engage onto the thread of the lead screw x Reassemble the table by reversing the above and test all...

Страница 37: ...E Fig 6 5 Table long trunk general arrangement Torque settings Lead screws M10 set screw 20Nm Actuator arms M8 csk screw 14 Nm Sidebar screw 21Nm Black top M6 csk screw 6 Nm All M8 button head screws...

Страница 38: ...d screws M10 set screw 20Nm Actuator arms M8 csk screw 14 Nm Sidebar screw 21Nm Black top M6 csk screw 6 Nm All M8 button head screws 10Nm All M3 Torx cover screws 0 5Nm Note On later tables ensure th...

Страница 39: ...essary to remove the P clip on the break gearbox loom and the bottom cover item 3 and 11 of Fig 6 6 i Remove the R clip in the end of the push button from below the table top This will release all the...

Страница 40: ...P40 54 T SM47j Fig 6 7 Table traverse general arrangement Torque settings M10 screw fixing to column 48Nm M6 skt hd fixing screw 9 Nm...

Страница 41: ...es shown in Fig 6 5 and 6 6 iv Test all table functions 6 6 ELECTRICAL COMPONENTS WARNING Ensure correct procedures are used if mains voltages are exposed Take care when handling or getting close to P...

Страница 42: ...and take care not to loose the four small spacers iii Replace the new four actuator PCA with the insulation sheet and spacers as found reconnect all the loom connections and then checkAppendix 2 and p...

Страница 43: ...he motors fail to run in both directions replace the telescopic column assembly as detailed in section 6 4 4 6 6 10 Break potentiometer loom 6 6 10 1 To replace a break potentiometer loom see note in...

Страница 44: ...9 Handset button functions and serial labels Note Labels shown above are examples see the applied serial label for the actual data OLD INFRARED HANDSET NEW INFRARED HANDSET Fig 6 10 Old and new infra...

Страница 45: ...Remove the cross beam top cover item 10 of Fig 6 7 to gain access to the top connector block and loom Remove the ring crimp terminals of the loom where they connect to the connector block noting conn...

Страница 46: ...e opposite end before clipping the back and front mouldings together iv Replace the securing screws using the six new screws evenly and tighten them to a torque setting of 0 5Nm v Test the unit functi...

Страница 47: ...ill not give the true indication of battery capacity on this first discharge i e LED may go from green straight to red 6 7 FUNCTION TESTS Before and after any maintenance procedure part replacement ad...

Страница 48: ...ection using a digital protractor Return the table top to level with the auto level button 4 Operate the table to maximum traverse in both directions and confirm the amount of movement agrees with tha...

Страница 49: ...Nm If the torque tools being used are imperial use the chart below to convert the values to either lb in or lb ft as required Always ensure that the equipment in use is both calibrated and that this...

Страница 50: ...ate break right Calibrate break left Four actuator PCA Program main controller Configure main controller Program actuator controller Configure actuator controller Calibrate tilt Calibrate Trend Calibr...

Страница 51: ...T SM47j P51 54 T20 a OPERATION TABLE APPENDIX 3 SCHEMATIC DIAGRAMS Fig A1 T20 a Schematic diagram Trunk Section...

Страница 52: ...P52 54 T SM47j Fig A2 T20 a Schematic diagram Pedestal Section...

Страница 53: ...T SM47j P53 54 T20 a OPERATION TABLE Fig A3 T20 a Schematic diagram Base Section...

Страница 54: ...3 2 Connect Tool No 110721 to the mains and plug the table mains cord into the tool s socket 3 3 Connect the other end of the table mains cord into the table s mains inlet socket 3 4 Connect the Green...

Страница 55: ......

Страница 56: ...Eschmann Equipment Peter Road Lancing West Sussex BN15 8TJ England Tel 44 0 1903 753322 Fax 44 0 1903 875789 www eschmann co uk...

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