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Siemens MOBILETT Plus HP Service Instructions Manual

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MOBILETT Plus HP
Service Instructions
From Serial No. 30900
Print No.: SPR8-220.061.03.03.02
Replaces: SPR8-220.061.03.02.02
SP
© Siemens AG 2002
The reproduction, transmission or
use of this document or its contents
is not permitted without express
written 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: 09.03
Table of Contents
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Summary of Contents for Siemens MOBILETT Plus HP

  • Page 1 MOBILETT Plus HP Service Instructions From Serial No. 30900 © Siemens AG 2002 The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent...
  • Page 2 Assemblers and other persons who are not employed by or otherwise directly affiliated with or autho- rized 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 procedures.

  • Page 3: Table Of Contents

    Exchange of voltage divider board D310 ......7 - 4 Siemens AG SPR8-220.061.03 Page 3 of 6 MOBILETT Plus HP Medical Solutions Rev. 03 09.03...
  • Page 4 Tension adjustment ....... . .11 - 3 MOBILETT Plus HP SPR8-220.061.03...
  • Page 5 Miscellaneous service issues ......12 - 3 13 ______Changes to previous version ____________________________________ 13 - 1 Siemens AG SPR8-220.061.03 Page 5 of 6 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 6 0 - 6 Contents This page intentionally left blank. MOBILETT Plus HP SPR8-220.061.03 Page 6 of 6 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...

  • Page 7: Training Of Customer Support Engineers

    Training of customer support engineers Due to the technology used in this equipment, setup, service and maintenance should be performed only by customer support engineers who have a work authorization for MOBILETT Plus HP. Text emphasis DANGER DANGER indicates an immediate danger that is likely to result in death or serious physical injury.

  • Page 8: Required Documents

    Refer also to Speed Info 06/91 • Calibration tool for DAP measuring system (Part No. 65 84 978) Lubricants • All-purpose grease PD 2 • Viscogen oil MOBILETT Plus HP SPR8-220.061.03 Page 2 of 6 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...

  • Page 9: Safety Information And Protective Measures

    - The product-specific safety information in the documents - 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 installation requirements of VDE 0107 or to country-specific regulations.

  • Page 10: Protective Measures Batteries B10 And Capacitors In Power Conversion Unit M10 And M11

    • Discharge the capacitors in M10 and M11 with S10 (D7) (Fig. 1). Wait 5 minutes; then remove the left and right covers and the cover with the cassette compartment. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 6 Siemens AG Rev.
  • Page 11 - Check whether the voltage increases. - Switch the system OFF, disconnect the mains cable and switch S10 on. - Check whether the voltage decreases. Siemens AG SPR8-220.061.03 Page 5 of 6 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 12 This means a risk of high voltage. Use caution when performing measurements at the capacitors in M10 and M11. Use only the specified measurement devices (350 V DC). MOBILETT Plus HP SPR8-220.061.03 Page 6 of 6 Siemens AG Rev. 03 09.03...
  • Page 13 "CAL 13". Check the 60 V supply voltage on D4 (see page 160**). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 1 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 14 D1 and H1 (single tank) and the connection between D1 and D13 (K8) (see page 140**) * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 2 of 22 Siemens AG Rev. 03 09.03...
  • Page 15 Check the connection to the booster board. * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 3 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 16 K61: 3-2 = 8 Ω K61: 1-2 = 5 * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 4 of 22 Siemens AG Rev. 03 09.03 CS PS 24...
  • Page 17 140 and 141**. * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 5 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 18 Check the filament supply voltage beyond its limit. +60 V DC (see page 160**). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 6 of 22 Siemens AG Rev. 03 09.03...
  • Page 19 (see page V0.1H). 140**). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 7 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 20 (see section "Battery circuit and power transmission unit"). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 8 of 22 Siemens AG Rev. 03 09.03...
  • Page 21 Capacitor bank and charging test" and page 130**). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 9 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 22 Check the connection between D4 and the filament transformer (see page 160**). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 10 of 22 Siemens AG Rev. 03 09.03...
  • Page 23 • See also "P01 - Filament test". * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 11 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 24 133 kV. See also section "Error diagnosis HT and single tank". * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 12 of 22 Siemens AG Rev. 03 09.03 CS PS 24...
  • Page 25 D1 (see pages 110** and 140**). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 13 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 26 If the error reoccurs after replacing I72, I66 and I74, replace D1. * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 14 of 22 Siemens AG Rev. 03 09.03...
  • Page 27 (see section "Replacement of the arm cable harness"). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 15 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 28 • To change a battery (see section "Replacing the backup battery"). * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 16 of 22 Siemens AG Rev. 03 09.03 CS PS 24...
  • Page 29 * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 17 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 30 133 kV. See also "Error diagnosis HT and single tank". * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 MOBILETT Plus HP SPR8-220.061.03 Page 18 of 22 Siemens AG Rev. 03 09.03 CS PS 24...
  • Page 31 To quit this mode, put switch S1:2 in wrong position. the OFF position. * See section "Monitoring the kV and mA values" ** Wiring diagram X037E Tab. 1 Siemens AG SPR8-220.061.03 Page 19 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 32: Monitoring The Kv And Ma Values

    If the generator output decreases, the heating value will be decreased. Any change of the tube current involves a change in exposure time (mAs = i x t)! MOBILETT Plus HP SPR8-220.061.03 Page 20 of 22 Siemens AG Rev. 03 09.03...
  • Page 33 Capacitance of the capacitor bank is too low Err 34 Error log overfull Err 35 Watchdog responded USE 39 Battery voltage is too low Siemens AG SPR8-220.061.03 Page 21 of 22 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 34 Signal fault during program execution Err 36 Overcurrent in HT inverter Err 37 Error memory contents lost Err 38 Error statistics lost MOBILETT Plus HP SPR8-220.061.03 Page 22 of 22 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...
  • Page 35 X-ray film. Potential errors are mentioned in the function box. Additional hints that may be helpful during troubleshooting are listed under A-E in the sec- tion "Troubleshooting instructions". MOBILETT Plus HP Plug in mains cable Main switch "C" Battery indicator...
  • Page 36 Correct Exposure time Displayed density Heating value message Darkroom MOBILETT Plus HP * S27 is the exposure release switch. First step = PREP, second step = EXP. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 2 Siemens AG Rev. 03 09.03...
  • Page 37 During startup, it can take up to 90 s before the ready light indicator lights up. A message will be displayed if the ready light indicator does not light. Siemens AG SPR8-220.061.03 Page 1 of 2 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 38 4 - 2 Troubleshooting instructions This page intentionally left blank. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 2 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...

  • Page 39: Entering Service Mode

    Error messages in service mode Messages appearing in service mode, except in "Fast adaptation" are only displayed, they are not logged into the memory history. Siemens AG SPR8-220.061.03 Page 1 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 40: List Of Test Programs Available In Service Mode

    Rot tESt = Rotation test After acceleration, the display shows the actual rotation frequency: Rot 143 = Rotation frequency 143 Hz: Normal value 158 Hz. Min. value 142 Hz. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 8 Siemens AG Rev. 03 09.03...

  • Page 41: P03 - Capacitor Bank And Charging Test

    P03 Err"xx" = See actual "xx" in separate displayed message list If the test ends successfully, the display will show: P03 PASS Duration: approx. 1.5 minutes. Siemens AG SPR8-220.061.03 Page 3 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 42: P04 - Display, Led And Buzzer Test

    P06 Err"xx" = See actual "xx" in separate message list If the formation ends successfully, the display will show: P06 PASS = Capacitor formation completed Duration: approx. 100 minutes. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 8 Siemens AG Rev. 03 09.03...

  • Page 43: P07 - Query Filament Values From The Battery-Backed Ram

    20 CAL13 = There are total 20 new messages, number 20 is "CAL 13". To exit P08, use the "lamp" button. Siemens AG SPR8-220.061.03 Page 5 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 44: P09 - Clear The Message History

    When the adaptation is finished, the program will stop and the display will show: P10 PASS = Adaptation program completed MOBILETT Plus HP SPR8-220.061.03 Page 6 of 8 Siemens AG Rev.

  • Page 45: P11 - Backup Battery Test

    In this program, it is possible to choose between a fixed number of 25 or 49 steps. The number of steps corresponds to Siemens point scale with integer points or half integer. The factory setting is 25 steps. To change or check the valid setting, activate the program with the lamp button.

  • Page 46: P15 - Upper Mas Limit

    The exposure counter can not be cleared via any of the service programs. The value is stored in the CMOS memory. If the backup battery is depleted, the value could be lost. MOBILETT Plus HP SPR8-220.061.03 Page 8 of 8 Siemens AG Rev.

  • Page 47: Tests And Measurements In The High Voltage Circuit

    . The inverter current is always measured using a separate current NOTE transformer between the inverter and single tank. Siemens AG SPR8-220.061.03 Page 1 of 12 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 48: Malfunction In The Inverter Or Single Tank

    K64 K64 defective defective defective NOTE The inverter current is always measured using a separate current transformer between the inverter and single tank. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 12 Siemens AG Rev. 03 09.03 CS PS 24...
  • Page 49 Defective high voltage transformer Replace single tank obtained after adaptation Rapid series of voltage Arcing in HT measurement resistor Replace single tank peaks (increasing voltage) or series resistor Siemens AG SPR8-220.061.03 Page 3 of 12 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 50 Exposure values: 90 kV 2.0 mAs, "HTPEAK" 20 kV/div, Inverter current 100 A/div "HTPEAK"- on D1 Inverter current Inverter current Fig. 1 HTPEAK and inverter current, inverter and single tank normal MOBILETT Plus HP SPR8-220.061.03 Page 4 of 12 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...
  • Page 51 100 A/div (only the end of the exposure is shown) inverter-single tank HT on Inverter current Fig. 2 HT and inverter current, inverter and single tank normal Siemens AG SPR8-220.061.03 Page 5 of 12 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 52 50 A/div (only the end of the exposure is shown inverter-single tank HT on Inverter current Fig. 3 HT and inverter current, inverter and single tank normal MOBILETT Plus HP SPR8-220.061.03 Page 6 of 12 Siemens AG Rev. 03 09.03...
  • Page 53 100 A/div (only the end of the exposure is shown) inverter-single tank HT on Inverter current Fig. 4 HT and inverter current, inverter and single tank normal Siemens AG SPR8-220.061.03 Page 7 of 12 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 54 Exposure values: 133 kV 5 mAs, HTPOS & HTNEG 2 V/div, 20 kV/div, 200 µs/div (only the end of the exposure is shown) HTPOS on HTNEG on Fig. 5 HTsignal, inverter and single tank normal MOBILETT Plus HP SPR8-220.061.03 Page 8 of 12 Siemens AG Rev. 03 09.03...
  • Page 55 20 kV/div; 200 µs/div (only the end of the exposure is shown) HTPOS on HTNEG on Fig. 6 HTsignal, arcing between plus and minus side (defective tube). Replace single tank. Siemens AG SPR8-220.061.03 Page 9 of 12 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 56 20 kV/div; 100 µs/div (only the end of the exposure is shown) HTPOS on HTNEG on Fig. 7 HTsignal, high speed HTNEG discharges (defective tube, filament transformer, wires to the cathode). MOBILETT Plus HP SPR8-220.061.03 Page 10 of 12 Siemens AG Rev.
  • Page 57 Fig. 8 High speed HT discharges (defective tube, transformer, capacitor) CH1: Inverter current 50 A/div, 10 µs/div Inverter current Fig. 9 Abnormal inverter current (defective single tank) Siemens AG SPR8-220.061.03 Page 11 of 12 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 58 CH1: I V/div, 40 kV/div, 20 µs/div (HT); CH2: 100 A/div (inverter current) HT on Inverter current Fig. 11 Abnormal inverter current (defective inverter) MOBILETT Plus HP SPR8-220.061.03 Page 12 of 12 Siemens AG Rev. 03 09.03 CS PS 24...

  • Page 59: Pull Out Power Conversion Unit M10

    Remove the cover with the warning sign (pos. 1 / Fig. 1). • Disconnect K301/ K4A/ K4B/ K2 on D301. • Remove cable tie (pos. 1 / Fig. 2). Siemens AG SPR8-220.061.03 Page 1 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 60 P1 and P4 (pos. 1 and pos. 4 / Fig. 4) is < 2 V. • Remove the necessary cable ties and disconnect P14/ P24, P16/P42 and P11/P40 (see Fig. 4). • Remove power conversion unit. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 8 Siemens AG Rev. 03 09.03...
  • Page 61 Remove the cable ties (pos. 1 / Fig. 5) • Remove the two screws (pos. 1 / Fig. 6) • Remove the capacitor bank, M11 (pos. 2 / Fig. 6). Siemens AG SPR8-220.061.03 Page 3 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 62: Exchange Of Voltage Divider Board D310

    Remove the four screws (two on each side) that keeps the connection plate. • Remove the two screws in the middle (pos. 1 / Fig. 8) and remove the capacitor bank. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 8 Siemens AG Rev.

  • Page 63: Exchange Of Fuse U11

    (see section:"Pull out capacitor bank, M11" on Page 7 - 3). MOB00627 Fig. 10 • Remove the four screws (pos. 1 / Fig. 10). • Exchange the capacitors C1 and C2. Siemens AG SPR8-220.061.03 Page 5 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 64: Exchange Of Booster Assembly D301

    • After remounting the covers, fully charge the batteries. CAUTION Incorrect treatment could decrease performance and battery life. The new batteries must be fully charged before use. MOBILETT Plus HP SPR8-220.061.03 Page 6 of 8 Siemens AG Rev. 03 09.03...

  • Page 65: Replacement Of Battery Charger Board D201

    Remove the front screw (pos. 1 / Fig. 13). MOB00633 MOB00634 Fig. 14 Fig. 15 • Remove the two back screws (pos. 1 / Fig. 14). Siemens AG SPR8-220.061.03 Page 7 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 66: Replacement Of Battery Indicator D210

    • Remove the board including the aluminium plate. NOTICE If the MOBILETT Plus HP is equipped with the DAP measuring system (optional): The power supply for the DAP measuring system must be discon- nected during this procedure. Make sure to remember how the cables were connected, and if needed use the "Installation...

  • Page 67: Replacing The Backup Battery

    Desolder the battery and connect the new battery using the soldering iron. • Reattach the battery jumper. • Reattach the aluminum plate. • Switch off the unit for 20 s. Siemens AG SPR8-220.061.03 Page 1 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 68 Switch off S 1:1 on D1 (OFF). • Reattach the system upper cover. • Make an exposure at 90 kV, 10 mAs to check that everything is functioning correctly. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 8 Siemens AG Rev. 03 09.03...

  • Page 69: Replacement Of Mains Cable/Cable Winder

    Disconnect the main switch element by turning the red lock counterclockwise (pos. 1 / Fig. 3). • Disconnect the wires at U9/U10 and ground connection (pos. 2 / Fig. 3). Siemens AG SPR8-220.061.03 Page 3 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 70 Loosen the brake carefully to loosen the tension of the cable winder spring. • Remove the securing screw (pos. 1 / Fig. 8) • Pull out the cable winder. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 8 Siemens AG Rev. 03 09.03...
  • Page 71 Reinstall the ring, cable stop and plug. • Reinstall the cable winder. • Reinstall the securing screw (pos. 1 / Fig. 8). Siemens AG SPR8-220.061.03 Page 5 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 72 We recommend that you pull out the power transmission unit to make reinstallation easier. • Attach three new cable ties (pos. 1 / Fig. 4). MOBILETT Plus HP SPR8-220.061.03 Page 6 of 8 Siemens AG Rev. 03 09.03...

  • Page 73: Replacement Of Main Switch Element

    Pull out the cable winder assembly by approximately 10 cm. • Disconnect the switch element by turning the red lock counter clockwise (pos. 1 / Fig. 3). Siemens AG SPR8-220.061.03 Page 7 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 74 We recommend that you pull out the power transmission unit to make the reinstallation easier. MOBILETT Plus HP SPR8-220.061.03 Page 8 of 8 Siemens AG Rev.

  • Page 75: Replacing The Collimator Lamp

    Remove the defective lamp and replace it with a new lamp (Fig. 3). Do not touch the bulb with bare fingers. (See "list of spare parts".) • Reinstall the protective plate. Tighten the screws marked "B". Siemens AG SPR8-220.061.03 Page 1 of 10 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 76: Checking The Light Intensity

    (Fig. 4). If the illumination is less than 180 lux, check the lamp supply. Refer to wiring diagram X037E, page 180. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 10 Siemens AG Rev.

  • Page 77: Light Field Relative To The X-Ray Field

    If necessary, adjust again until the deviation between the light field and the radiation field is within the tolerance specified. • Reattach cover 1 (Fig. 1). Siemens AG SPR8-220.061.03 Page 3 of 10 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 78: Replacing The Collimator

    • Secure the arm and the single tank with a rope (Fig. 7). • Remove covers "A" and "B". • Remove collimator cover "C". MOBILETT Plus HP SPR8-220.061.03 Page 4 of 10 Siemens AG Rev. 03 09.03 CS PS 24...
  • Page 79 Remove the cable ties on the left and the right side (Fig. 8). • Remove the five cable ties according to "F" (Fig. 9). Fig. 9 Siemens AG SPR8-220.061.03 Page 5 of 10 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 80 The adjustment should be performed by moving the whole collimator, not just by changing the position of the collimator bulb. MOBILETT Plus HP SPR8-220.061.03 Page 6 of 10 Siemens AG Rev. 03 09.03...

  • Page 81: Checking The Light Intensity

    (Fig. 12). If the illumination is less than 180 lux, check the lamp supply. Refer to wiring diagram X037E, page 180. Siemens AG SPR8-220.061.03 Page 7 of 10 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 82: Light Field Relative To The X-Ray Field

    • Develop the film and measure the deviation between the light and the radiation field. Acceptable deviation ± 1.7% of SID (Fig. 14). Rotary flange Fig. 15 MOBILETT Plus HP SPR8-220.061.03 Page 8 of 10 Siemens AG Rev. 03 09.03...
  • Page 83 Repeat the test and adjustment of the rotary flange position until the deviation between the light and radiation fields is within the tolerance specified. • Reinstall covers "A" and "B". Siemens AG SPR8-220.061.03 Page 9 of 10 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 84 9 - 10 Replacement and repairs on the collimator This page intentionally left blank. MOBILETT Plus HP SPR8-220.061.03 Page 10 of 10 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...

  • Page 85: Adjusting The Arm System

    0.6 mm. The measurements must be performed with the arm in the uppermost and lowermost positions. If not parallel, loosen the locking nuts and adjust by turning the pull rod. Siemens AG SPR8-220.061.03 Page 1 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 86 • Lock the rod with the nuts and repeat the parallelism check until it is within the specified limit. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 28 Siemens AG Rev. 03 09.03...

  • Page 87: Counterbalance

    Adjust the arm system with the adjustment screw (Fig. 6) until it balances in all positions. If the arm moves lower, the screw must be tightened; if it moves up, the screw must be loosened. Siemens AG SPR8-220.061.03 Page 3 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 88: Adjusting The Friction Linings

    Retighten the screw until there is no play. • Tighten the screw until the lower arm holds its position but is still easy to move. • Reattach the cover. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 28 Siemens AG Rev. 03 09.03...
  • Page 89 Remove the caps on the fork. • Tighten or loosen the friction adjustment (one on each side of the fork) (Fig. 8). Siemens AG SPR8-220.061.03 Page 5 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 90 Movement of the collimator • Remove the collimator cover. • Adjust the collimator movement resistance with the screw (1) (Fig. 9). • Reattach all covers. MOBILETT Plus HP SPR8-220.061.03 Page 6 of 28 Siemens AG Rev. 03 09.03 CS PS 24...

  • Page 91: Replacing The Spring Pack

    Jack up and block the unit securely 5 cm above the floor. This must be done properly so that the unit does not tip over. Siemens AG SPR8-220.061.03 Page 7 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 92 Remove the locking rings. • Remove the bearing rings. • Remove the shaft. • Let the turn plate down and remove it. MOBILETT Plus HP SPR8-220.061.03 Page 8 of 28 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...
  • Page 93 • Mount the adjustment screw and tighten until the spring pack is held in position. Siemens AG SPR8-220.061.03 Page 9 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 94 Check also that the turn plate returns to the park position when the button is pressed a second time. • Check the unit by releasing an exposure. MOBILETT Plus HP SPR8-220.061.03 Page 10 of 28 Siemens AG Rev. 03 09.03...

  • Page 95: Adjustment And Replacement Of The Turn Plate

    Remove battery charger D201 and motor power unit D102 (see section "7" and "11"). • Disconnect all cables, ground connection and K68 according to (Fig. 13). Siemens AG SPR8-220.061.03 Page 11 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 96 Check also that the turn plate returns to the park position when the button is pressed a second time. • Check the unit by releasing an exposure. MOBILETT Plus HP SPR8-220.061.03 Page 12 of 28 Siemens AG Rev. 03 09.03...

  • Page 97: Replacement Of The Single Tank

    Position the unit with the single tank resting on a table (Fig. 15). • Secure the arm with a rope. • Block the rear wheels and apply the parking brake. Siemens AG SPR8-220.061.03 Page 13 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 98 The new single tank has to be installed in the same position as the old one. • Replace the locking nuts with new nuts enclosed with the new single tank. • Install the four screws according to Fig. 17. MOBILETT Plus HP SPR8-220.061.03 Page 14 of 28 Siemens AG Rev. 03 09.03...
  • Page 99 • Tighten the adjustment screw (Fig. 16) so that the single tank is balanced. • Set switch S10 in the OFF position. Siemens AG SPR8-220.061.03 Page 15 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 100 • Use the service program "P10 - Fast adaptation" to adjust the filament values to the new single tank. • Reattach the remaining covers. MOBILETT Plus HP SPR8-220.061.03 Page 16 of 28 Siemens AG Rev. 03 09.03...

  • Page 101: Replacement Of The Support Arm Cable Harness

    Position the unit with the single tank resting on a table. Secure the support arm with a piece of rope (Fig. 19). • Remove covers "A" and "B". • Remove collimator cover "C". Siemens AG SPR8-220.061.03 Page 17 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 102 Disconnect the single tank and the fork from the arm. • Disassemble the fork so the cables can be removed. • Disconnect the chassis connections and remove the cables (Fig. 20). MOBILETT Plus HP SPR8-220.061.03 Page 18 of 28 Siemens AG Rev. 03 09.03...
  • Page 103 Install the collimator and its wires. Attach only cover "C". • Connect all connections and reinstall all cable clamps. Install new cable ties. Siemens AG SPR8-220.061.03 Page 19 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 104 Switch on the collimator lamp and check compliance of the light and radiation fields with the specifications in the section "Replacement of collimator". • Reattach the remaining covers. MOBILETT Plus HP SPR8-220.061.03 Page 20 of 28 Siemens AG Rev. 03 09.03...

  • Page 105: Adjustment Of The Hand/Parking Brake

    If the braking linings meet the requirements and the braking force is still low, check the tension of the brake wire. • Remount the rear wheels. Siemens AG SPR8-220.061.03 Page 21 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 106 Fig. 23 Adjustment for Type 1 • Tighten the adjusting screw with the brake released (pos. 1 / Fig. 24) until the required brake force is obtained. MOBILETT Plus HP SPR8-220.061.03 Page 22 of 28 Siemens AG Rev. 03 09.03...
  • Page 107 After adjustments, make sure the brake wire link is oriented according to pos. 2 / Fig. 24. Lock its position using the nuts (pos. 3 / Fig. 25). Siemens AG SPR8-220.061.03 Page 23 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 108: Replacing The Supporting Wheels

    Install the new support wheel and secure the shaft with the locking ring. • Check that the wheels move easily. • Remove the wood block and lower the unit. Fig. 26 MOBILETT Plus HP SPR8-220.061.03 Page 24 of 28 Siemens AG Rev. 03 09.03...

  • Page 109: Replacing The Friction Linings

    Adjust the horizontal friction linings. Refer to the section: "Adjustment of the friction linings", Page 10 - 4. • Reattach all covers. Siemens AG SPR8-220.061.03 Page 25 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 110: Replacing The Vertical Friction Linings

    If not, the arm and single tank will fall. Make sure the ceiling support is sufficient. Do not stand under the single tank or the arm system during the NOTE work that follows. MOBILETT Plus HP SPR8-220.061.03 Page 26 of 28 Siemens AG Rev. 03 09.03...
  • Page 111 (Fig. 29). Do not allow the spring mechanism to fall out. • Remove the screw and washer from the upper counter bearing (Fig. 30). • Remove the friction linings. Siemens AG SPR8-220.061.03 Page 27 of 28 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 112 Attach the column cover and side covers and the cover with the cassette compartment. • Check parallelism (see section "Parallelism"). • Adjust counterbalance (see section "Counterbalance"). • Adjust friction linings (see section "Adjusting the friction linings"). MOBILETT Plus HP SPR8-220.061.03 Page 28 of 28 Siemens AG Rev. 03 09.03 CS PS 24...

  • Page 113: Adjustment Of The Speed

    Adjust the speed with a screwdriver as shown in (Fig. 1). • Clockwise rotation decreases the speed. • Counterclockwise rotation increases the speed. Siemens AG SPR8-220.061.03 Page 1 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 114: Replacement Of The Transmission Belt And Belt Tension Adjustment

    Rotate the large toothed wheel by hand and check for smooth operation and that the belt is aligned over the toothed wheels. • Adjust the tension as described under "Tension adjustment". MOBILETT Plus HP SPR8-220.061.03 Page 2 of 8 Siemens AG Rev.

  • Page 115: Tension Adjustment

    When the button (C/Fig. 5) is in the same level as the top of the adjustment device, a proper pressure is applied. Siemens AG SPR8-220.061.03 Page 3 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 116 In (2/Fig. 6) the belt is too tight and in (3/Fig. 6) the belt is too slack. • Tighten the screws (A/Fig. 4). • Remount the wheel. • Fit the covers. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 8 Siemens AG Rev. 03 09.03 CS PS 24...

  • Page 117: Replacing The Motor Unit

    Refer to (Fig. 7) for electrical connections. • Tilt the unit and support the affected side with a block of wood. Siemens AG SPR8-220.061.03 Page 5 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...

  • Page 118: Repairs To The Motor Power Unit

    Exchange of motor power unit D102 • Remove the front cover. • Disconnect K101, 102, 104, 106 on D102. • Remove the two front screws (1/Fig. 9). MOBILETT Plus HP SPR8-220.061.03 Page 6 of 8 Siemens AG Rev. 03 09.03 CS PS 24...

  • Page 119: Replacement Of Fuse (4 A)

    Replace the motor power unit. Replacement of fuse (4 A) • Pull out the motor power unit. • Replace the fuse (3/Fig. 11). Siemens AG SPR8-220.061.03 Page 7 of 8 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 120 11 - 8 Motor drive units This page intentionally left blank. MOBILETT Plus HP SPR8-220.061.03 Page 8 of 8 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...

  • Page 121: Recalibration Of Dap Measuring System

    If a semiconductor detector is used, the temperature/pressure factor of the dose meter must be considered. Otherwise a deviation against the factory calibration may occur. Siemens AG SPR8-220.061.03 Page 1 of 4 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 122 • Set kV to 102 and mAs to 20 and release an exposure. • Record the dose value measured with the dose meter. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 4 Siemens AG Rev. 03 09.03...

  • Page 123: Miscellaneous Service Issues

    DAP display. Note that the warranty becomes void if the DAP ionization chamber or the DAP display are opened or altered in any fashion. Siemens AG SPR8-220.061.03 Page 3 of 4 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 124 12 - 4 DAP measuring system (option) This page intentionally left blank. MOBILETT Plus HP SPR8-220.061.03 Page 4 of 4 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...
  • Page 125 Page 5 - 1, Section "Entering service mode": "Err" changed to "vEr". Page 7 - 6, Section "Replacement of batteries B10": "A512/10.0 SR" changed to "A512/10 S" Chapter 12 Completely revised. Siemens AG SPR8-220.061.03 Page 1 of 2 MOBILETT Plus HP Medical Solutions Rev. 03 09.03 CS PS 24...
  • Page 126 13 - 2 Changes to previous version This page intentionally left blank. MOBILETT Plus HP SPR8-220.061.03 Page 2 of 2 Siemens AG Rev. 03 09.03 CS PS 24 Medical Solutions...

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