Siemens Mammomat 3000 Modular Modification Instructions

MAMMOMAT 3000 Modular

Service

Modification Instructions

Installation of the option W/Rh anode/filter combination

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.

Replaces: N/A 65 02 004

0 - 2 Revision

Chapter Page Revision

All All 01

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 - 4 Contents

This page intentionally left blank.

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

Contents 0 - 3

Page

1 _______Prerequisites __________________________________________________1 - 1

Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

Tools and expendables required . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

Parts required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1

Documents required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

Time required . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

Important notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 1

Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 - 2

2 _______Disassembly __________________________________________________2 - 1

Removal of collimator cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1

Removal of lamp holder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 - 1

Removal of diaphragm-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 tungs ten (W) anode . . . . . . . . . . . . . . . . . . 3 - 2

Checking the rotation movement on the new filter disk . . . . . . . . . . . . . . . . . 3 - 2

Panel programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4

Adjusting the bias voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4

Adapting the filament heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4

Large focus W/Rh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 4

Small focus W/Rh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5

Adjusting the light field/radiation field . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5

Large tungsten focus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 5

Small tungsten focus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 5

Filter purity verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 7

Evaluation of discrepancies on te st films . . . . . . . . . . . . . . . . . . . . . . 3 - 7

Final procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 - 8

Siemens-Elema Register 5 SPB7-230.092.11 Page 3 of 4 MAMMOMAT 3000 Modular Solna, Sweden Rev. 01 04.98 SPS-UD Service

Prerequisites 1

Purpose 1

The purpose of this modification is to upgrade a MAMMOMAT 3000 Modular with Mo X-ray tube to Mo/W X-ray tube.

Tools and expendables required 1

• Standard assembly tools

• Circlip pliers

• Denatured ethanol, 99.5 % pure (may only be denatur ed with toluene, which does not

leave any residues when evaporated) for cl eaning the filters or tube window.

• Lint-free cloth or Q-tips (c otton tops) for cleaning

• Lint-free cotton gloves

• Service PC with connecting cable (99 00 440 RE999)

Parts required 1

Filter-assembly kit, part no. 64 82 967 X041E, comprising the following parts:

1 - 1

Qty Part

1 Filter assembly 1 Retaining ring 5 Allen screw M5 (countersunk) 4 Cable tie 1 Adapter cable

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 th at the screws do not get damaged.

• The filters in the filter assembly must n ot be contaminated in any way. Therefore, alway s

use lint-free cotton gloves dur ing the handling of the filter assembly. Do not remove the filter assembly from its pa cking until installation.

• If the filters have been contaminated, clean by using the specified alcohol. Other types

of solvents may leave residues.

Siemens-Elema AB Register 5 SPB7-230.092.11 Page 1 of 2 MAMMOMAT 3000 Modular Solna, Sweden Rev. 01 04.98 SPS-UD Service

1 - 2 Prerequisites

Symbols 1

Checks and adjustments requiring X-ray to be switched on are marked with the radiationwarning symbol. Protect yourself.

MAMMOMAT 3000 Modular Register 5 SPB7-230.092.11 Page 2 of 2 Siemens-Elema AB Service Rev. 01 04.98 SPS-UD Solna, Sweden

+ 12 hidden pages