Siemens MOBILETT XP Digital Maintenance Instruction
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Siemens MOBILETT XP Digital Maintenance Instruction

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M o s e r
MOBILETT XP Digital
Maintenance Instructions
System
incl. DHHS
The protocol SPR8-230.832.30.03.02 is required for
these instructions
Print No.:
SPR8-230.831.30.03.02
Replaces: SPR8-230.831.30.02.02
01818447
SP
2004
© 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: 11.05
written
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Summary of Contents for Siemens MOBILETT XP Digital

  • Page 1 M o s e r MOBILETT XP Digital Maintenance Instructions System incl. DHHS The protocol SPR8-230.832.30.03.02 is required for these instructions 01818447 2004 © Siemens AG The reproduction, transmission or use of this document or its contents is not permitted...
  • 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

    Manual termination of exposure ........51 Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 3 of 74 Medical Solutions 11.05...
  • Page 4 Cleaning ............. 72 4 _______ Changes to previous version _____________________________________ 73 MOBILETT XP Digital SPR8-230.831.30.03.02...

  • Page 5: Performance Of Work

    General General Performance of work Any technician duly assigned by the local Siemens office is authorized to perform mainte- nance and service work. Certain tasks may also be performed by other technical personnel (e.g. the customer's hospital technicians). These tasks are marked by the icon shown here.

  • Page 6: Special Notes

    A danger that will or can lead to an undesirable result or state other than death, physical injury or property damage. NOTE Information that explains the proper way to use devices or to carry out a process, i.e., provides pointers and tips. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 6 of 74 11.05...

  • Page 7: Icons

    Certain tasks can also be performed by other technical personnel (e.g. the customer's hospital technicians). Certain sections apply only to the USA. These sections are marked with this icon. Fig. 1: Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 7 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 8: Information On Product Safety And Protective Measures

    Information on product safety and protective measures DANGER While performing maintenance and service work on the MOBILETT XP digital with open covers, it is possible to come into contact with components under voltage. Carelessness can result in death or serious bodily injury.
  • Page 9 The safety covers can be removed after this period has elapsed. • Prior to performing any work, it must be verified that areas with dangerous voltage are voltage-free (Fig. 2 / p. 10). Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 9 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 10 CAUTION: DC voltage (440V) directly at the capacitor bank! CAUTION: AC voltage (> 100V or > 60V half line voltage) at power supplies U1 and U2 as long as the power cord is connected. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 10 of 74 11.05...

  • Page 11: System Overview - User

    (10) Power cable (22) X-ray tube assembly (11) Brake handle for cable winch (23) Light localizer buttons (two sides) (12) CXDI-50G detector holder n.a. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 11 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 12: Orientation

    These orientation indicators are used in all technical documents. Descriptions are always from the “forward travel” user view. Al- ways use this perspective when communicating with third parties (e.g., USC/HSC). MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 12 of 74 11.05...

  • Page 13: System Overview - Service

    General System overview - Service Fig. 5: Schematic overview of XP Digital MOBILETT XP Digital parts Abbreviations Explanation D916/D919 CPU board/X-ray interface D 917 Galvanic separation for S27/DAP/remote Remote control board (remote control option) Key switch, power ON/OFF Line filter...
  • Page 14 Connecting unit between CXDI PC and CXDI detector DC converter 300V DC/24V DC Inverter 24V DC/220V AC Power supply CXDI PC (laptop) Optional parts for MOBILETT XP Digital (not shown in illustration) DAP chamber Dose area product measuring chamber D991...

  • Page 15: Cleaning

    Wipe off the MOBILETT with a cloth moistened in water or a diluted, lukewarm solution of water and dishwashing liquid. For more information, see the Chapter on "Cleaning and disinfection” in the operating instructions. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 15 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 16: Required Documents

    * Within the purview of DIN VDE 075-1, we recommend documenting the results of the maintenance both in the maintenance protocol and in the TSC protocol. The protocols should be filled out completely and handed over to the client after maintenance is com- plete. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 16 of 74 11.05...

  • Page 17: Required Tools, Test Equipment And Aids

    Rope (min. length 4 m; min. tensile strength 1000 N) • Loctite 242 • Viscogen oil • 2 pieces of wood, approx. 50 x 75 x 500 mm • Lux meter (USA only) Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 17 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 18: Material Replacement

    Only replace damaged or missing screws with steel screws. All Allen screws must have a tensile strength of 8.8. Materials needed for periodic replacement can be requested from the responsible local Uptime Service Center. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 18 of 74 11.05...

  • Page 19: Log

    The maintenance protocol must be completed and signed. Replacement and repair mea- sures must be listed separately in the protocol under “Work procedures performed”. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 19 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 20: Information For The Usa Only

    Information for the USA only To ensure compliance with the applicable regulations in the "US Federal Perfor- mance Standard", the user of the MOBILETT XP Digital is responsible for perform- ing maintenance procedures at least once each year. Neither the system manufacturer nor its representatives assume any responsibility in the event of non-compliance with the above requirements.

  • Page 21: Explanation Of The Test Items

    Preventive maintenance function, check operating values Quality check Image quality test System quality test Software maintenance The maintenance protocol lists these abbreviations for the test items. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 21 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 22: Information On The Protective Conductor Resistance Test

    DIN VDE 0751-1/2001-10, Fig. C2. Pos. 1 = System Pos. 2 = Application part type B (if available) Pos. 3 = Measurement setup (integrated into measuring device) MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 22 of 74 11.05 CS SD 24 Medical Solutions...
  • Page 23 9 in the system binder. If values are newly determined, they must be recorded as first measured values. The evaluation is omit- ted in this case. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 23 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 24: Information On Measuring The Leakage Current

    Measurement of the leakage current according to the differential current method (mea- surement setup according to (Fig. 2 / p. 25)) must be given preference, since this method is not dangerous to the person performing the measurement and other persons. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 24 of 74 11.05...
  • Page 25 If the direct measurement of the leakage current is used (measurement setup according (Fig. 3 / p. 26)), the system must be insulated during the measurement and must not be touched. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 25 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 26 Measure and record the current line voltage. If the measured line voltage deviates from the nominal voltage, correct the measured value to the value corresponding to a mea- surement at the nominal value of the line voltage. This must also be documented. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 26 of 74 11.05...
  • Page 27 "Certificates" register no. 9 in the system binder. If values are newly determined, they must be re- corded as first measured values. The evaluation is omitted in this case. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 27 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 28: Information On Measuring The Patient Leakage Current

    Measurement The patient leakage current must be measured for each application part. The measurement must be made according to DIN VDE 0751, Part 1 (see ARTD-002.731.17...). MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 28 of 74 11.05...
  • Page 29 - even if the limit value of 0.01 mA for direct current and 0.1 mA for alternating current is not exceeded. The evaluation is not necessary in the case of a new determination. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 29 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 30 "Certificates" register no. 9 in the system binder. If values are newly determined, they must be re- corded as first measured values. The evaluation is omitted in this case. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 30 of 74 11.05...

  • Page 31: Technical Safety Checks (Tsc)

    SIM Power cable check SIM General cable winch information 3.2.9.1 Power plug, check: SIM Power plug check 3.2.7.5 Cable harness for the arm system, check: SIM Damage-free Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 31 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 32 3.11 Leakage current measurement, check: SIE Leakage current measurement 3.2.2 Equivalent leakage current mea- n.a. surement 3.3 Patient leakage current or equivalent n.a. patient leakage current measurement MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 32 of 74 11.05 CS SD 24 Medical Solutions...
  • Page 33 4.5 Is there any unusual noise during 3.2.7.1 Movement of the arm system, operation (e.g. gearing)? checks: SIM Movement of the arm system 5. Functional checks n.a. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 33 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 34 (e.g. safety floor plate)? 5.7 Are the positions of the table and sys- n.a. tem reproducible (e.g. zero positions, layer height, etc.)? MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 34 of 74 11.05 CS SD 24 Medical Solutions...
  • Page 35 Have the operator, or a person authorized by the operator, sign the TSC protocol. Hand the TSC protocol over to the operator, or a person authorized by the operator. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 35 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 36: Visual Check

    The DAP ionization chamber should not have any scratches. • No damage to DAP supply line, plug or display Remote control (optional) • No damage to remote control MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 36 of 74 11.05 CS SD 24...

  • Page 37: Mechanical Inspection

    Elevate one side of the system by placing a piece of wood under the chassis (Fig. 1 / p. 37). • Secure the wheel on the other side with 2 blocks. Ensure that the MOBILETT XP Digital is secure! • Remove the wheel cap and wheel (Fig.
  • Page 38 Ensure attachment of the support rollers (Fig. 3 / p. 39). Smooth rotation • Ensure smooth rotation of the rollers (Fig. 3 / p. 39). MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 38 of 74 11.05 CS SD 24 Medical Solutions...

  • Page 39: Front Transport Wheels

    Secure attachment • Ensure attachment of the wheels. Smooth rotation • Ensure smooth rotation of the wheels. Fig. 4: Raise the front of the system Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 39 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 40: Brakes

    • Use the spring balance to pull the system forward and backward. The system should not move under 350N (adjusting the brakes is described in the "Replacement of parts" instructions). MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 40 of 74 11.05...

  • Page 41: Support Arm Transport Lock

    Locking mechanism • Verify that the support arm handle engages securely in the transport lock. Fig. 7: Support arm and transport safety lock handle Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 41 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 42: Handles

    The single tank holder must be easy to turn and maintain any position. Moving the single tank • The single tank must be easy to turn and maintain any position. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 42 of 74 11.05...
  • Page 43 Remove the top and bottom arm covers from the column. Screws and lock nuts • Check that the screws and lock nuts are seated securely (Fig. 10 / p. 44). Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 43 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 44 Remove the covers from the bottom arm articulation. NOTE For easier reassembly, note the disassembly sequence. Screws and nuts • Check that the screws and nuts are seated securely . MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 44 of 74 11.05 CS SD 24...
  • Page 45 Check all support arm cabling for damage (stretching, twisting, insulation cracks). Pay special attention to the stress points of moving elements (Fig. 12 / p. 46). • Replace any damaged cables. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 45 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 46: Single Tank Holder

    Verify that the four screws on the single tank are secure. Completely remove any loose screw connections and screw them in again using LOCTITE 242. Fig. 13: Holder and single tank attachment MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 46 of 74 11.05...

  • Page 47: Power Cable

    Inspection and maintenance 3.2.9 Power cable NOTE Replacement of cable winch including cable: MOBILETT XP Digital every 4 years Cable winch replacement • If the replacement interval has been reached, replace the cable winch according to the "Replacement of parts" instructions.
  • Page 48 Inspection and maintenance Lubricate the pull bar of the side bushing (Fig. 15 / p. 48). Fig. 15: Lubrication point MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 48 of 74 11.05 CS SD 24 Medical Solutions...

  • Page 49: Function Inspection

    Reset the memory in service program 04. • Switch off the system. • Return service switch SW2B D916 (CPU) to position 1 (user). Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 49 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 50: Displaying The Control Panel

    Initiate an exposure. The radiation indicator (1/Fig. 17 / p. 50) lights up during the exposure; at the same time an acoustic signal sounds and the "ready" light goes out. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 50 of 74 11.05...

  • Page 51: Manual Termination Of Exposure

    The display then reads "ERR 39" and several short acoustic signals are emitted ("ERR 39 = exposure aborted). Acknowledge the error message with the "colli- mator light" key on the control panel. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 51 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 52: Collimator

    - Rope for securing the support arm (approx. 4m long) - Allen wrench set - Screw driver set 1-6 (Phillips head and slotted head screws) 24V/100W lamp - Siemens order no.: 08392016 NOTE Do not touch the lamp with bare hands. Touch the bulb only with a clean, dry cloth.
  • Page 53 Inspection and maintenance Fig. 18: Single-tank service position Fig. 19: Collimator rotary knobs Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 53 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 54 Inspection and maintenance Fig. 20: Collimator cover Fig. 21: Terminals in the cover Fig. 22: Lamp socket MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 54 of 74 11.05 CS SD 24 Medical Solutions...

  • Page 55: Checking The Illuminance

    Fig. 24: Illuminance 3.4.3 Light field/radiation field Checking the light and radiation field • Place the detector (35 cm x 43 cm) on the tabletop. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 55 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 56 The total permissible deviation (disregarding the prefix) amounts to a maximum of 1.7% of the SID. If the deviation is > 1.7%, the collimator must be adjusted (see the "Replacement of Parts" instructions). Log the deviation. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 56 of 74 11.05...
  • Page 57 Inspection and maintenance Fig. 26: Light field/radiation film Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 57 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 58: Battery And Motor Drive Inspection

    Forward/backward Slow/fast • Turn the system ON and release the hand brake. • Check the transport movements according to the operating instructions. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 58 of 74 11.05 CS SD 24 Medical Solutions...

  • Page 59: Options

    Remote control function • Check the function of the remote control. • Switch on the light localizer of the collimator. • Initiate an exposure. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 59 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 60: Checking The Kv/Mas Exposure Parameters

    Storage oscilloscope with a measuring accuracy of ± 2.5% kV meter method: NOTE The inherent filtration (AL equivalent) of MOBILETT XP Digital is 3.1mmAl (single tank plus collimator). An installed DAP measurement chamber increases the inherent fil- tration by 0.4 mm AL.
  • Page 61 The measuring ratio is 30 kV/V. • Open the top system cover and place the cover sideways on a table or the like. Do not disconnect any cables. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 61 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 62: Mas Accuracy

    - Storage oscilloscope with a measuring accuracy of ± 2.5% Oscilloscope method: • Open the top cover of the MOBILETT XP Digital and place it sideways on a table or the like. Do not disconnect any cables. • Connect the oscilloscope to the "JR" and "GND" measuring points on CPU D916.
  • Page 63 Follow the same procedure as described in the “Oscilloscope method” section. For more information on the measuring technique, refer to the user manual for the mAs meter. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 63 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 64 Inspection and maintenance Fig. 30: mAs jumper D907 MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 64 of 74 11.05 CS SD 24 Medical Solutions...

  • Page 65: Reproducibility Test (Usa Only)

    Fig. 31: Standard deviation resulting from the measurements Average measurement of the series i. measurement of series Number of individual measurements in series Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 65 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 66 ∑ = 1.01 + 1.02 + 1.03 + 1.04 + 1.03 + 1.02 + 1.02 + 1.01 + 1.03 + 1.04 = 10.25 Fig. 32: Step 3) Calculation of the standard deviation: MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 66 of 74 11.05...
  • Page 67 • Calculation of the coefficient: Fig. 36: In this example, the generator complies with the specification: C = 0.0105, hence it is ≤ 0.0450. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 67 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 68: Checking The Image Quality

    3.9.3 Contrast Contrast • See “Quality assurance, SPR8-230.820.30...”. 3.9.4 Hardcopy Only necessary when a hardcopy camera is configured. Hardcopy • See “Quality assurance, SPR8-230.820.30...”. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 68 of 74 11.05 CS SD 24 Medical Solutions...

  • Page 69: Protective Conductor Test

    9 in the system binder. If values are newly determined, they must be recorded as first measured values. The evaluation is omit- ted in this case. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 69 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 70: Leakage Current Measurement

    Register 9, "Certificates", in the system binder. If values are newly determined, they are to be recorded as first measured values. The evaluation is omitted in this case. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 70 of 74 11.05...

  • Page 71: Patient Leakage Current Measurement

    If values are newly determined, they must be re- corded as first measured values. The evaluation is omitted in this case. Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 71 of 74 Medical Solutions 11.05 CS SD 24...

  • Page 72: Cleaning

    Inspection and maintenance 3.13 Cleaning Cleaning • Dampen a cloth with a mixture of lukewarm water and regular household cleaner. Clean the entire system. MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 72 of 74 11.05 CS SD 24 Medical Solutions...
  • Page 73 Protective conductor test Completely rewritten Inspection and maintenance Leakage current measure- Completely rewritten ment Inspection and maintenance Patient leakage current New paragraph added measurement Siemens AG SPR8-230.831.30.03.02 MOBILETT XP Digital Page 73 of 74 Medical Solutions 11.05 CS SD 24...
  • Page 74 Changes to previous version MOBILETT XP Digital SPR8-230.831.30.03.02 Siemens AG Page 74 of 74 11.05 CS SD 24 Medical Solutions...

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