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Siemens MOBILETT Plus Maintenance Instructions Manual
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Siemens MOBILETT Plus Maintenance Instructions Manual

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F r i e d r i c h
MOBILETT Plus/ -E/ -M
Maintenance Instructions
System
MOBILETT Plus/ -E/ -M
Including DHHS requirements
The protocol SPR8-215.832.04.03.02 is required for
these instructions
Print No.:
SPR8-215.831.04.03.02
Replaces: SPR8-215.831.04.02.02
06337609
06337617
06215300
SP
2002
© Siemens AG
The reproduction, transmission or use
of this document or its contents is not
permitted
without
express
authority. Offenders will be liable for
damages. All rights, including rights
created by patent grant or registration
of a utility model or design, are
reserved.
English
Doc. Gen. Date: 07.05
written

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  • Page 1 F r i e d r i c h MOBILETT Plus/ -E/ -M Maintenance Instructions System MOBILETT Plus/ -E/ -M Including DHHS requirements The protocol SPR8-215.832.04.03.02 is required for these instructions 2002 © Siemens AG 06215300 06337609 06337617 The reproduction, transmission or use...
  • Page 2 Assemblers and other persons who are not employed by or otherwise directly affiliated with or authorized by Siemens or one of its affiliates are directed to contact one of the local offices of Siemens or one of its affiliates before attempting installation or service pro- cedures.

  • Page 3: Table Of Contents

    Supporting wheels ..........27 Turn plate (MOBILETT Plus/Plus M only)....... . . 28 Brakes.
  • Page 4 Motor drive function (MOBILETT Plus M only) ....... . 62...

  • Page 5: Check At The Beginning Of The Maintenance Session

    Additionally, check the system logbook for system problems (if available). The necessary escalation measures have to be initiated after deviations. If necessary, a new appointment for Preventive Maintenance has to be arranged. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 5 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 6: Training

    • Due to the type of technology used in this system, service and maintenance work may be performed only by service engineers who have the required training and work autho- rization for MOBILETT Plus. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 6 of 64 07.05...

  • Page 7: Required Documents

    TSC protocol. The protocols should be filled out completely and handed over to the client after maintenance is completed. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 7 of 64 Medical Solutions 07.05...

  • Page 8: Required Tools, Measurement And Auxiliary Devices

    2 pieces of wood, approximately 50 x 75 x 500 mm (2.5 x 3 x 20 inches)* • Calibration tool for ’DAP measuring system’, part no. 65 84 978 MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 8 of 64 07.05...

  • Page 9: Required Lubricants

    General Required lubricants • Viscogen oil Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 9 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 10: Replacement Parts

    65 00 792 For units without cable winder only: • Mains cable (every 2 years) 64 11 438 (in USA) 64 11 388 (in rest of world) MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 10 of 64 07.05 CS PS 24...

  • Page 11: Text Emphasis

    NOTE contains information provided with special emphasis to fa- cilitate proper use of the equipment or proper execution of a pro- cedure, i.e. hints, tips. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 11 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 12: Symbols

    Several of the sections in these instructions are for the USA only. These sections are identified with this symbol. Sections marked with this symbol have been included in the Siemens Training Video (part of the self-study package), which can be ordered through Siemens Customer Ser- vice.

  • Page 13: Safety Information And Protective Measures

    When performing service work and tests adhere to the general safety information contained in ARTD Part 2. Only connect the MOBILETT Plus/Plus E/ Plus M to a mains power supply outlet (receptacle) that corresponds to the installation requirements of VDE 0107 or to coun- try-specific regulations.

  • Page 14: Protective Measures When Working On The Capacitor Bank

    • Measure the residual voltage at test points CAPPOS and CAPNEG on board D7 (Fig. 3 / p. 14). The measured voltage must be less than 10 V. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 14 of 64 07.05...
  • Page 15 (350 V DC). If one of the fuses in the capacitor series has blown out, this series must be con- sidered to be fully charged. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 15 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 16: Service Information

    General 1.11 Service information Service engineers must complete and sign the maintenance protocol. Repair measures and other service work not contained in the report must be listed separately. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 16 of 64 07.05...

  • Page 17: Information Pertaining To The Usa

    Neither the system manufacturer nor its representatives assume any responsibility in the event of non-compliance with the above requirement. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 17 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 18: Explanation Of Abbreviations In The Maintenance Certificate

    Customer-specific code Installed Volume Component Maintenance Unit The steps identified by these abbreviations are part of the maintenance certificate and should be checked off upon completion. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 18 of 64 07.05 CS PS 24...

  • Page 19: Technical Safety Checks (Tsc)

    SIM Cable winder damage? SIM Damage SIM Protective conductor 2.2.12 Arm cable harness, check: SIM Damage Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 19 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 20 SIE Measured value 3.3 Measurement of patient leakage cur- n.a. rent or equivalent patient leakage current 3.3.1 Patient leakage current measurement n.a. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 20 of 64 07.05 CS PS 24 Medical Solutions...
  • Page 21 (e.g. gearing)? SIM Movement of the arm system and the single tank 5. Functional checks n.a. 5.1 Function of the emergency-stop switch n.a. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 21 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 22 (e.g. safety floor SIE Shutdown plate)? 5.7 Are the positions of the table and unit n.a. reproducible (e.g. zero positions, layer height, etc.)? MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 22 of 64 07.05 CS PS 24 Medical Solutions...
  • Page 23 TSC protocol. Hand the TSC protocol over to the opera- tor, or a person authorized by the operator. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 23 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 24: Visual Inspection

    • Make sure there are no scratches on the DAP ionization chamber. Make sure the cable and the connector are intact. Make sure the DAP display is intact as well. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 24 of 64 07.05...

  • Page 25: Mechanical Inspection

    - for MOBILETT Plus/Plus E (Fig. 1 / p. 25) - for MOBILETT Plus M (Fig. 2 / p. 25) Drive belt (for MOBILETT Plus M only) • Check the condition and tension of the drive belt. NOTE Under normal operating conditions, the drive belt does not require adjustment throughout the lifetime of the system.

  • Page 26: Front Wheels

    Check that the wheel is securely mounted and that it turns freely. • Check the other wheel following the same procedure. 2.2.2 Front wheels Fig. 4: Fig. 5: MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 26 of 64 07.05 CS PS 24 Medical Solutions...

  • Page 27: Supporting Wheels

    Check that the supporting wheels turn freely and do not show any signs of damage. If they must be replaced, refer to ”Replacing the supporting wheels” in the service instruc- tions. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 27 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 28: Turn Plate (Mobilett Plus/Plus M Only)

    Inspection and maintenance 2.2.4 Turn plate (MOBILETT Plus/Plus M only) Fig. 7: • Connect the mains cable and switch the system ON. • Move the unit to a level surface. Button illumination • Press one of the turn plate buttons. The buttons must light up when the turn plate is acti- vated.

  • Page 29: Brakes

    (Fig. 8 / p. 29). Additional information can be found in the section on ”Adjustment of the hand brake/parking brake” in the service instructions. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 29 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 30: Transport Safeguard

    • Check whether the adjustment knobs on the collimator are tightened securely (Fig. 10 / p. 30). If necessary, tighten both Allen screws on each of the knobs. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 30 of 64 07.05...

  • Page 31: Arm System And Single Tank

    Check that the single tank fork can be easily turned and stays in any desired position. Single tank movement • Check that the single tank moves easily in the fork and stays in any desired position. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 31 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 32: Mains Cable

    Clean the mains cable using a paper towel dampened with a lukewarm solution of wa- ter and a household cleaning agent. Protective conductor • Disconnect the power supply plug. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 32 of 64 07.05...

  • Page 33: Arm System Mounting

    Fig. 13: Pos. 1 Upper link (check without torque) Pos. 2 Check without torque Pos. 3 Pos. 4 Upper link Pos. 5 Lower link Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 33 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 34 Check the base mounting in the chassis (Fig. 14 / p. 34). 2.2.11.2 Arm connecting piece Screws and nuts • Remove the cover of the lower connecting piece. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 34 of 64 07.05 CS PS 24 Medical Solutions...
  • Page 35 (Fig. 17 / p. 35). 2.2.11.4 Lubrication Remove the cover of the column stand. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 35 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 36: Arm Cable Harness

    Replace any damaged or broken cables. If you cannot determine any direct cause for the damage, replace all cable harnesses. Refer to the section entitled ”Replacement of the support arm cable harness” in the service instructions. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 36 of 64 07.05...

  • Page 37: Motor Batteries (Mobilett Plus M Only)

    Inspection and maintenance Motor batteries (MOBILETT Plus M only) Battery voltage • Check the battery voltage (+ 24 V) at K103 (2 each 12 V batteries in series). Condition • In order to assess the condition of the batteries, ask the operating personnel whether the batteries need to be recharged more frequently than previously.

  • Page 38: Service Mode

    Several test programs are available. The respective program number appears in the kV window of the display while the mAs window remains blank. Example of the display for program no. 6: MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 38 of 64 07.05...
  • Page 39 Messages appearing in service mode, with the exception of "Quick adjustment", are only displayed, i.e. they are not incorporated in the error memory. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 39 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 40: Maintenance Tests

    If an error is determined during any of the tests, the current program stops and the follow- ing message appears: Err xx = Test results are "not valid". MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 40 of 64 07.05...

  • Page 41: Backup Battery G1/D1

    PASS = battery charge is okay Exit the service mode by switching S1:1 on board D1 OFF. This will end all currently run- ning programs. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 41 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 42: Test Of Kv Accuracy

    (Fig. 21 / p. 42). • Set the SID according to the information given in the operating instructions for the kV meter. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 42 of 64 07.05 CS PS 24...
  • Page 43 Proceed according to section "P10 - Fast adaptation" in the service instructions in order to adjust excessively high deviations. 52 kV, 50 mAs 81 kV, 20 mAs 133 kV, 20 mAs 125 kV, 20 mAs Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 43 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 44: Test Of Mas Accuracy

    Test of mAs accuracy Requirement The actual product of the exposure time and tube current (mAs) must match the dis- played value within the limits established by Siemens. Required measurement devices: Storage oscilloscope with a measurement accuracy of ± 2.5 %.
  • Page 45 Proceed according to section "P10 - Fast adaptation" in the service instructions to elimi- nate slight deviations. 40 kV, 5 mAs 81 kV, 2 mAs 133 kV, 10 mAs 125 kV, 10 mAs Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 45 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 46: Check For Reproducibility

    The coefficient of fluctuation of the radiation dose may not be greater than 0.045 for any combination of exposure parameters if the X-ray system is supplied with line volt- age as specified by Siemens. NOTE The following test requires 10 sequential exposures, which must be taken within one hour.
  • Page 47 Σ = 1.01 + 1.02 + 1.03 + 1.04 + 1.03 + 1.02 + 1.02 + 1.01 + 1.03 + 1.04 => S = 10.25 • Calculate the average value: Fig. 24: • Calculate the standard deviation: Fig. 25: Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 47 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 48 Fig. 28: In this example, C = 0.0105 and is therefore ≤ 0.0450, ⇒ i.e. the generator is within the specifications. • Reattach the upper cover. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 48 of 64 07.05 CS PS 24...

  • Page 49: Remote Exposure Switch System (Optional)

    Check the function of the remote exposure switch system by switching on the collima- tor light and releasing an exposure. Function of the remote exposure switch system Replace the remote control battery every year. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 49 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 50: Dap Measuring System (Optional)

    • Check the function of the DAP measuring system by releasing an exposure. Check if a measured value is shown on the display. Function of the DAP measuring system MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 50 of 64 07.05...

  • Page 51: Replacing The Collimator Lamp

    Remove the lamp and replace it with a new lamp, (Fig. 31 / p. 51). Do not touch the glass bulb with your fingers. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 51 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 52 Reinstall the protective plate and tighten the screws marked ”B”. • Reattach the cover (1/Fig. 29 / p. 51). Function of the collimator lamp • Check the function of the collimator lamp. MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 52 of 64 07.05 CS PS 24 Medical Solutions...

  • Page 53: Checking The Luminance

    (Fig. 32 / p. 53). Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 53 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 54: Coincidence Of Radiation And Light Fields

    Develop the film and measure the deviation between the light and radiation fields. A de- viation of ± 1.7% of the SID is acceptable. (Fig. 34 / p. 54) MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 54 of 64 07.05...
  • Page 55 If necessary, repeat the adjustment until the deviation of the light and radiation fields lies within the acceptable tolerance. Deviation ((A + C) / SID) Deviation ((B + D) / SID) Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 55 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 56: Checking The Radiation Indicator

    Release an exposure and check whether an indicator lights up on the control and dis- play panel and an audible signal sounds at the end of the exposure. Radiation indicator Audible signal MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 56 of 64 07.05...

  • Page 57: Checking The Manual Exposure Interrupt

    2.16 Checking the manual exposure interrupt The user must be able to interrupt the exposure at any time. • Set 55 kV, 160 mAs for MOBILETT Plus/Plus M. • Set 55 kV, 80 mAs for MOBILETT Plus E. • Release an exposure and immediately interrupt it by letting go of the exposure switch.

  • Page 58: Protective Conductor Measurement

    ARTD-002.731.17... (Safety-Related Rules for Installation and Maintenance). The measured values are to be entered in the maintenance protocol. The protective con- ductor resistance must not exceed 0.2 ohms. Measured value MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 58 of 64 07.05...

  • Page 59: Equivalent Leakage Current Measurement

    (damaged insulation, damage caused by water ingress or humidity, etc.) – even if the limit value of 2 mA is not ex- ceeded. Measured value Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 59 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 60: Cleaning The System

    Clean the system with a cloth dampened with a lukewarm solution of water and a com- mercially available cleaning agent. Refer to the section on "Cleaning" in the instruc- tions for use. Cleaning MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 60 of 64 07.05...

  • Page 61: Checking The Kv And Mas Displays

    Check whether the kV and mAs values are clearly visible from the operator’s position. Determine whether all exposure parameters are displayed correctly. "Ready" indicator Visibility of displays Correct displays Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 61 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 62: Motor Drive Function (Mobilett Plus M Only)

    Inspection and maintenance 2.21 Motor drive function (MOBILETT Plus M only) Fig. 36: Pos. 1 Safety switch Pos. 2 Forward Pos. 3 Reverse • Both switches must be activated to drive the unit. • The drive speed must increase at a constant rate until a nominal speed of approx. 1 m/sec is reached.
  • Page 63 Changes to the previous version Changes to the previous version Document was converted to DMS. The hazard information was adapted to the current guidelines. Siemens AG SPR8-215.831.04.03.02 MOBILETT Plus/ -E/ -M Page 63 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 64 Changes to the previous version MOBILETT Plus/ -E/ -M SPR8-215.831.04.03.02 Siemens AG Page 64 of 64 07.05 CS PS 24 Medical Solutions...

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