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MAMMOMAT 3000 Modular

Register 5

SPB7-230.092.11

Page 2 of 4

Siemens-Elema AB

Service

Rev. 01

04.98

SPS-UD

Solna, Sweden

2 - 2

Disassembly

 

2.

Lift the holder (4) and carefully push it inside the collimator.

Removal of diaphragm-plate assembly

2

1.

Loosen the diaphragm-plate assembly (5) by unscrewing four Allen screws (6).

2.

To release the diaphragm-plate assembly, cut the cable ties on each side of the 
tube head

.

3.

Lower the diaphragm-plate assembly and let it hang in the cables (7).

5

6

MAM00151

6

Fig 2.3

7

MAM00152

Fig. 2.4

Содержание MAMMOMAT 3000 Modular

Страница 1: ...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 SP Service Installation of the option W Rh anode filter combination Modification Instructions ...

Страница 2: ...MAMMOMAT 3000 Modular Register 5 SPB7 230 092 11 Page 2 of 4 Siemens Elema AB Service Rev 01 04 98 SPS UD Solna Sweden 0 2 Revision Chapter Page Revision All All 01 ...

Страница 3: ...0 4 Contents MAMMOMAT 3000 Modular Register 5 SPB7 230 092 11 Page 4 of 4 Siemens Elema AB Service Rev 01 04 98 SPS UD Solna SWEDEN This page intentionally left blank ...

Страница 4: ...iaphragm plate assembly 2 2 Removal of old filter assembly 2 3 3 _______Installation ____________________________________________________ 3 1 Installing the new filter assembly 3 1 Reinstalling the diaphragm plate assembly 3 1 Connecting the service PC 3 2 Configuring and calibrating the tungsten W anode 3 2 Checking the rotation movement on the new filter disk 3 2 Panel programming 3 4 Adjusting ...

Страница 5: ...lter assembly kit part no 64 82 967 X041E comprising the following parts Documents required 1 Installation and Start Up Instructions for MAMMOMAT 3000 Modular Time required 1 Approximately four hours for one person Important notes 1 The Allen screws can be very hard to loosen When unscrewing be sure of enough grip with the Allen screwdriver so that the screws do not get damaged The filters in the ...

Страница 6: ... SPB7 230 092 11 Page 2 of 2 Siemens Elema AB Service Rev 01 04 98 SPS UD Solna Sweden 1 2 Prerequisites Symbols 1 Checks and adjustments requiring X ray to be switched on are marked with the radiation warning symbol Protect yourself ...

Страница 7: ...00 Modular 2 Remove the swivel arm covers 3 Remove the collimator cover 1 by unscrewing four Allen screws 2 4 Strap the collimator cover to the stand Removal of lamp holder 2 1 Remove the lamp holder 4 by unscrewing the two Allen screws 3 Do not remove any other Allen screws than shown in figure 2 1 Be careful with the filter assembly 2 1 2 MAM00149 Fig 2 1 NOTICE 3 4 3 MAM00150 Fig 2 2 NOTICE ...

Страница 8: ...and carefully push it inside the collimator Removal of diaphragm plate assembly 2 1 Loosen the diaphragm plate assembly 5 by unscrewing four Allen screws 6 2 To release the diaphragm plate assembly cut the cable ties on each side of the tube head 3 Lower the diaphragm plate assembly and let it hang in the cables 7 5 6 MAM00151 6 Fig 2 3 7 MAM00152 Fig 2 4 ...

Страница 9: ...1 04 98 SPS UD Service Removal of old filter assembly 2 1 Remove retaining ring 8 and bearing 9 2 Remove the two front guides 10 The rear guide need not be removed 3 Remove the filter assembly Be careful not to damage the optical switch position sensor 11 during the removal Fig 2 5 12 8 9 10 11 10 MAM00153 NOTICE ...

Страница 10: ...MAMMOMAT 3000 Modular Register 5 SPB7 230 092 11 Page 4 of 4 Siemens Elema AB Service Rev 01 04 98 SPS UD Solna Sweden 2 4 Disassembly This page intentionally left blank ...

Страница 11: ... Position sensor and drive motor of the filter assembly Reinstalling the diaphragm plate assembly 3 See figure 2 2 and 2 3 1 Fit the diaphragm plate assembly 5 to the diaphragm plate holder while carefully putting the lamp holder into position and fasten with the four Allen screws 6 2 Fit the lamp holder 4 to the diaphragm plate holder and fasten with the two Allen screws 3 3 Replace the cable tie...

Страница 12: ...sary see installation instructions measuring the line resistance Checking the rotation movement on the new filter disk 3 1 Switch on the MAMMOMAT 3000 Modular 2 Mount the magnification table and select W Rh on the control panel Check that there is sufficient space between the cables and the rotating filter assembly 3 Select different anode filter combinations on the control panel During the operat...

Страница 13: ...sembly motor but do not remove them Adjust the position of the motor so that the filter assembly can rotate freely without jamming see fig 3 3 8 Tighten the screws for the motor 9 Reposition the X ray tube paying attention to the guiding pin 10 Tighten the four mounting screws of the X ray tube 11 Provide new cable ties at the rear mounting screws of the X ray tube 12 System ON 13 Check the operat...

Страница 14: ...us Adapting the filament heating 3 In the test certificate for the X ray tube you can find the filament current values for all focuses 1 In the service program choose Main menu then Configuration and then filament enter the values for small and large tungsten focus reduced by 200 e g if the test certificate states a filament current of 7000 you shall enter 6800 2 Save the values with F2 Large focu...

Страница 15: ... table 2 Select W Rh anode filter combination 3 Check the light field radiation field according to the Installation and Set up Instructions for MAMMOMAT 3000 Modular 4 If necessary perform adjustments The adjustment of the over radiation at the chest wall side is done by increasing decreasing the value in Main menu Configuration Beam limiting device Large tungsten mm from edge Press F2 to calibrat...

Страница 16: ...ect W Rh anode filter combination 4 Check the light field radiation field according to the Installation and Set up Instructions for MAMMOMAT 3000 Modular The beam limiting device must not run into its mechanical endstop If it does the value must be changed CPU Board D801 Motor Control Board D802 X813 24 VF 1 2 9 35 36 MAM00160 Fig 3 4 NOTICE ...

Страница 17: ...r each type of filter perform the following test 1 Mount the magnification table 2 Insert a loaded film cassette in the table 3 Select the filter to be checked 4 Select kV and mAs the exposure setting depends on the film screen combination used Make an exposure 5 Develop the film 6 Place the film on a film viewing device The film shall have an even grey exposure If not make a new exposure with a d...

Страница 18: ...ill appear in the same area when comparing the original film with the test films from 1a7c the X ray tube window must be examined for dirt and if necessary be cleaned Should the discrepancies still remain the fault is in the X ray tube Final procedure 3 1 Fit the collimator cover 1 and fasten with the four Allen screws 2 see fig 2 1 Check that all three anode filter combinations can be chosen for ...

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