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Siemens MOBILETT Plus HP Maintenance Instruction

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F r i e d r i c h
MOBILETT Plus HP
Maintenance Instructions
System
MOBILETT Plus HP
The protocol SPR8-220.105.04.03.02 is required for
these instructions
Print No.:
SPR8-220.101.04.03.02
Replaces: SPR8-220.101.04.02.02
06337625
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 HP Maintenance Instructions System MOBILETT Plus HP The protocol SPR8-220.105.04.03.02 is required for these instructions 06337625 2002 © Siemens AG The reproduction, transmission or use of this document or its contents is not...
  • 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

    DAP measuring system (optional) ......... 51 Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 3 of 64 Medical Solutions 07.05...
  • Page 4 Motor drive function ........... . 63 3 _______ Changes to the previous version __________________________________ 64 MOBILETT Plus HP SPR8-220.101.04.03.02...

  • 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 SPR8-220.101.04.03.02 MOBILETT Plus HP 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 customer support engineers who have the required training and work authorization for MOBILETT Plus. MOBILETT Plus HP SPR8-220.101.04.03.02 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 the maintenance is completed. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 7 of 64 Medical Solutions 07.05 CS PS 24...

  • 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 HP SPR8-220.101.04.03.02 Siemens AG Page 8 of 64 07.05...

  • Page 9: Required Lubricants

    General Required lubricants • Viscogen oil Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 9 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 10: Replacement Parts

    Backup battery (every 5 years) 31 65 289 • Mains cable (every 2 years) 65 00 792 • Remote control battery (option) (every year) 9 volt alkaline battery MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 10 of 64 07.05 CS PS 24 Medical Solutions...

  • 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 SPR8-220.101.04.03.02 MOBILETT Plus HP Page 11 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 12: Symbols

    This symbol means "Attention, consult the documentation". This symbol indicates components sensitive to electrostatic discharge (ESD). Several of the sections in these instructions are for the USA only. These sections are identified with this symbol. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 12 of 64 07.05...

  • Page 13: Safety Information And Protective Measures

    When performing service work and tests, adhere to the general safety information contained in ARTD Part 2. Connect the MOBILETT Plus HP only to a mains power supply outlet (receptacle) that corresponds to the instal- lation requirements of VDE 0107 or country-specific reg- ulations.

  • Page 14: Protective Measures For Batteries And Capacitors

    Discharge the capacitors in M10 and M11 with S10 (D7) (Fig. 2 / p. 14) • Wait 5 minutes; then remove the left and right covers and the cover with the cassette compartment. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 14 of 64 07.05...
  • Page 15 - Measure the voltage on the capacitors in M11 and check that the voltage level is <2 V DC. If not, discharge the capacitors with R103, see (Fig. 6 / p. 16) Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 15 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 16 This means a risk of high voltage. Use caution when performing measurements at the capacitors in M10 and M11. Use only the specified mea- surement devices (350 V DC). MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 16 of 64 07.05...

  • Page 17: Service Information

    Customer support engineers must complete and sign the maintenance protocol. Repair measures and other service work not contained in the report must be listed separately. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 17 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 18: Information Pertaining To The Usa

    Standard”, the user of the system must ensure that the following maintenance is per- formed at least once a year. Neither the manufacturer of the system nor its representa- tives assume any responsibility in the event of non-compliance with the above requirement. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 18 of 64 07.05...

  • Page 19: Explanation Of Abbreviations In The Maintenance Certificate

    Installed Volume Component Maintenance Unit The steps identified by these abbreviations are part of the maintenance certificate and should be checked off upon completion. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 19 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 20: Technical Safety Checks (Tsc)

    2.2.9 Mains cable, checks: attached and in place, without any visible SIM Damage damage? SIM Cable winder SIM Protective conductor 2.2.11 Arm cable harness, check: SIM Damage MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 20 of 64 07.05 CS PS 24 Medical Solutions...
  • Page 21 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. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 21 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 22 2.2.8 Arm system and single tank, check: ation (e.g., gearing)? SIM Movement of the arm system 5. Functional checks n.a. 5.1 Function of the emergency-stop switch n.a. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 22 of 64 07.05 CS PS 24...
  • Page 23 (e.g., safety floor SIE Shutdown function plate)? 5.7 Are the positions of table and unit n.a. reproducible (e.g., zero positions, layer height, etc.)? Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 23 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 24 Let the operator, or a person authorized by the operator, sign the TSC protocol. Hand the TSC protocol over to the opera- tor, or a person authorized by the operator. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 24 of 64 07.05...

  • Page 25: 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. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 25 of 64 Medical Solutions 07.05...

  • Page 26: Mechanical Inspection

    (Fig. 2 / p. 26). Drive belt • Check the condition and tension of the drive belt. The adjustment procedure is de- scribed in the Service Instructions. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 26 of 64 07.05 CS PS 24...
  • Page 27 Ease of movement • Check that the wheel is securely mounted and that it turns freely. • Check the other wheel following the same procedure. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 27 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 28: Front Wheels

    (Fig. 5 / p. 28). • Clean the wheels. • Remount the wheels. • Check the other set of wheels in the same way. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 28 of 64 07.05 CS PS 24 Medical Solutions...

  • Page 29: 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 In- structions. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 29 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 30: Brakes

    The brake force can be increased by increasing the tension on the brake cable (Fig. 7 / p. 30). Additional information can be found in the section on ”Adjustment of the hand brake/parking brake” in the Service Instructions. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 30 of 64 07.05...

  • Page 31: Transport Safeguard

    Check whether the adjustment knobs on the collimator are tightened securely (Fig. 9 / p. 31). If necessary, tighten both Allen screws on each of the knobs. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 31 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 32: Arm System And Single Tank

    Check that the single tank fork can be easily turned and stays in any desired position. • Check that the single tank moves easily in the fork and stays in any desired position. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 32 of 64 07.05...

  • Page 33: Mains Cable

    This applies for all plug types. • Close the plug after inspecting it. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 33 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 34: Arm System Mounting

    Screws and lock nuts • Check that all the screws and lock nuts on the arm system are tightened securely (Fig. 12 / p. 34). MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 34 of 64 07.05 CS PS 24...
  • Page 35 Remove the cover of the lower connecting piece. NOTE Note the assembly sequence. • Check the screws and nuts on the connecting piece (Fig. 14 / p. 35). Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 35 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 36 (Fig. 16 / p. 36). 2.2.10.4 Lubrication Fig. 17: Fig. 18: Pos. 11 Rotation wear Remove the cover of the column stand. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 36 of 64 07.05 CS PS 24 Medical Solutions...

  • Page 37: Arm Cable Harness

    Repeat the same test with the other turn plate button. If a problem arises, proceed ac- cording to the section ”Adjustment and replacement of the turn plate" in the Service In- structions. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 37 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 38: Batteries

    Charging indicator • Check that the charging indicator is functioning correctly. • Reattach all cover parts with the exception of the upper system cover. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 38 of 64 07.05 CS PS 24 Medical Solutions...

  • Page 39: Service Mode

    By pressing the ”kV+” button, the next test program is called up. As soon as the last test program has been reached and ”kV+” is pressed again, the display begins again with the program version. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 39 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 40 No. 6 can be restarted by pressing the "collimator lamp" button. NOTE Messages appearing in service mode, with the exception of "Quick adjustment", are only displayed, i.e., they are not incorporated in the error memory. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 40 of 64 07.05...

  • Page 41: 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." Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 41 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 42: Backup Battery G1/D1

    If the battery voltage is within the correct range, the following message appears: P 11 PASS = battery charge is okay Exit the service mode by switching S1:1 on board D1 OFF. This will cancel all currently running programs. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 42 of 64 07.05...

  • Page 43: Test Of Kv Accuracy

    Set the SID according to the information given in the operating instructions for the kV meter. • Switch the main switch to position "B" • Set the following exposure parameters and release an exposure: Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 43 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 44 77.0 - 85.0 kV • Disconnect the power supply plug, roll up the cable and switch the main switch to posi- tion "B". kV accuracy 81 kV, 20 mAs (M) MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 44 of 64 07.05...

  • Page 45: Test Of Mas Accuracy

    Test of mAs accuracy Requirement The actual product of the exposure time and tube current (mAs) must match the displayed value within the limits established by Siemens. Required measurement devices: Storage oscilloscope with a measurement accuracy of ± 2.5 %.
  • Page 46 1.9 - 2.1 • Disconnect the power supply plug, roll up the cable and switch the main switch to posi- tion "B". mAs accuracy 81 kV, 2 mAs (M) MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 46 of 64 07.05...

  • Page 47: Check For Reproducibility

    The coefficient of fluctuation of the radiation dose may not be larger than 0.045 for any combination of exposure parameters if the X-ray system is supplied with line voltage as specified by Siemens. NOTE The following test requires 10 sequential exposures, which must be taken within one hour.
  • Page 48 Σ = 1.01 + 1.02 + 1.03 + 1.04 + 1.03 + 1.02 + 1.02 + 1.01 + 1.03 + 1.04 => Σ = 10.25 • Calculate the average value: Fig. 24: • Calculate the standard deviation: Fig. 25: MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 48 of 64 07.05 CS PS 24 Medical Solutions...
  • Page 49 Calculate the coefficient: Fig. 28: In this example, C=0.0105 and is therefore ≤ 0.0450, ⇒ i.e., the generator is within specifications. • Reattach the upper cover. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 49 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 50: Remote Exposure Switch System (Optional)

    Check the function of the remote exposure switch system by switching on the collima- tor light and by releasing an exposure. Function of remote exposure switch system Replace the remote control battery every year. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 50 of 64 07.05...

  • Page 51: 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 DAP measuring system Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 51 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 52: Replacing The Collimator Lamp

    • Reinstall the protective plate and tighten the screws marked ”B”. • Reattach the cover (1/Fig. 29 / p. 52) Function of the collimator lamp MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 52 of 64 07.05 CS PS 24 Medical Solutions...
  • Page 53 Inspection and Maintenance • Check the function of the collimator lamp. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 53 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 54: Checking The Luminance

    180 lux at a distance of 100 cm. The average luminance is determined by taking measurements in the approximate center of each of the four quad- rants of the light field,(Fig. 32 / p. 54) MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 54 of 64 07.05...

  • Page 55: Coincidence Of Radiation And Light Fields

    If the deviation is larger than 1.7%, correct the coincidence of the light and radiation fields by adjusting the nuts marked "D” and "E”. (Fig. 30 / p. 52) • Check the setting by releasing another exposure. Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 55 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 56 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) MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 56 of 64 07.05...

  • Page 57: 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 Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 57 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 58: Checking The Manual Exposure Interrupt

    In addition, 10 short "beep" signals sound. The message can be erased by pressing the ”kV+” button. Message "USE20" 10 short beep signals NOTE All covers must be remounted. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 58 of 64 07.05 CS PS 24...

  • Page 59: Protective Ground/Earth Measurement

    ARTD-002.731.17... (safety-related regulations on 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 Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 59 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 60: 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 MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 60 of 64 07.05...

  • Page 61: 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 Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 61 of 64 Medical Solutions 07.05 CS PS 24...

  • Page 62: 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 correctly displayed. "Ready" indicator Visibility of displays Correct displays MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 62 of 64 07.05...

  • Page 63: Motor Drive Function

    0.5 m/sec.(slow) or approx.1 m/sec. (fast) is reached. • The drive is switched off if one of the two switches is released. Forward/ reverse Acceleration Shutdown function Siemens AG SPR8-220.101.04.03.02 MOBILETT Plus HP Page 63 of 64 Medical Solutions 07.05 CS PS 24...
  • Page 64 Changes to the previous version Changes to the previous version Document was converted to DMS. The hazard hints were adapted to the current guidelines. MOBILETT Plus HP SPR8-220.101.04.03.02 Siemens AG Page 64 of 64 07.05 CS PS 24 Medical Solutions...

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