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Siemens MAMMOMAT 300 Parts Replacement

Compression mechanism and potentiometer r863
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MAMMOMAT 300/1000/3000/3000 Nova
Service
Replacements of Parts
Compression Mechanism and Potentiometer (R863)
Print No.: SPB7-230.841.03.02.02
Replaces: SPB7-230.841.03.01.02
SP
© Siemens AG 2003
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: 04.04
(66 47 015)

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  • Page 1 MAMMOMAT 300/1000/3000/3000 Nova Service Replacements of Parts Compression Mechanism and Potentiometer (R863) © Siemens AG 2003 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,...
  • 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

    Work steps........3 - 1 4 _______Changes to previous version _____________________________________ 4 - 1 Siemens AG SPB7-230.841.03...
  • Page 4 0 - 4 Contents M300/1000/3000/3000 Nova SPB7-230.841.03 Page 4 of 4 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...

  • Page 5: General

    Components concerned Components concerned are the compression units/devices normally used on MAMMOMAT 1000/3000/3000 Nova systems, on MAMMOMAT 300 systems and - with some modifications - also used on MAMMOMAT Novation DR systems. Material numbers 063 86 051 (used for the Sales Item)

  • Page 6: Parts Included

    Approximately 1.5 hours for 1 person for exchange of the compression mechanism. Approximately 3.0 hours for 1 person for exchange of the potentiometer. M300/1000/3000/3000 Nova SPB7-230.841.03 Page 2 of 2 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...

  • Page 7: Remove The Covers From Compression Unit

    Release the locking pin on the upper and lower cover and remove the covers. • Loosen the Allen screws on top and at the bottom of the compression unit holding the left side cover (3/Fig. 1). Remove the side cover. Siemens AG SPB7-230.841.03 Page 1 of 6 M300/1000/3000/3000 Nova Medical Solutions Rev.

  • Page 8: Replace The Compression Mechanism

    Loosen the Allen screw on the belt tightener and lower the belt tightener (1/Fig. 2). Belt tightener Drive belt Fig. 2 • Remove the drive belt from the compression mechanism. M300/1000/3000/3000 Nova SPB7-230.841.03 Page 2 of 6 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...
  • Page 9 In the lowest position it is not possible to push the spindle fully in towards the back of the compression unit and the compression mechanism will not be released. Siemens AG SPB7-230.841.03 Page 3 of 6 M300/1000/3000/3000 Nova Medical Solutions Rev.
  • Page 10 • Tighten the drive belt and fasten the Allen screw on the belt tightener. • Assemble the covers in reverse order. M300/1000/3000/3000 Nova SPB7-230.841.03 Page 4 of 6 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...

  • Page 11: Test The Compression Function

    (Compression and System Movements). If the tests result in incorrect values, use the service PC to calibrate the compression function. Refer to the instructions in the Service Program document, Chapter "Compression -> Calibration". Siemens AG SPB7-230.841.03 Page 5 of 6...
  • Page 12 2.5 x 14 only - if that one was found shorn off. The new Compression mechanism has nowadays a larger pin mounted, (sized 4 x 14 mm), the danger of pin getting broken decreased. M300/1000/3000/3000 Nova SPB7-230.841.03 Page 6 of 6 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...

  • Page 13: Exchange Of Potentiometer

    ( Note the difference of thread size; 2 x 2 x M4 on the top slab, 2 x 2 x M3 on the bottom slab). • Remove curtain / filmstrip from the top of the slide by unscrewing the two hex socket head (Allen) screws holding the little plate (1/Fig. 1). Siemens AG SPB7-230.841.03 Page 1 of 6 M300/1000/3000/3000 Nova Medical Solutions Rev.
  • Page 14 Sliding contact: 2 - with 1 x weiß/white, or grey wire Resistor end: 3 - with2 x gelb/yellow, or violet wire M300/1000/3000/3000 Nova SPB7-230.841.03 Page 2 of 6 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...
  • Page 15 Re-attach the upper cable clamp, if necessary; the wires should not touch moving parts (the toothed belt). • Drive the slide manually down to the lower limit. Fig. 4 Fig. 5 Fig. 6 Fig. 7 Siemens AG SPB7-230.841.03 Page 3 of 6 M300/1000/3000/3000 Nova Medical Solutions Rev. 02 04.04 CS PS 24...
  • Page 16 If necessary repeat the adjustment: For this the grub screw has to be loosened (see previous work step). M300/1000/3000/3000 Nova SPB7-230.841.03 Page 4 of 6 Siemens AG Service Rev. 02 04.04 CS PS 24...
  • Page 17 Calibration, in the Chapter: Adjustment and Service Program, document print No. SPB7-230114.03, (mainly Thickness top/bottom). • Re-attach the plastic covers of the tube assembly. • Demonstrate the unit in working condition and hand over to customer. Siemens AG SPB7-230.841.03 Page 5 of 6 M300/1000/3000/3000 Nova Medical Solutions Rev. 02 04.04...
  • Page 18 3 - 6 Procedure - Potentiometer R863 This page intentionally left blank. M300/1000/3000/3000 Nova SPB7-230.841.03 Page 6 of 6 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...
  • Page 19 Changes to previous version 4 - 1 Chap. 0 Front page and index newly generated Chap. 1 Chap. 3 Siemens AG SPB7-230.841.03 Page 1 of 2 M300/1000/3000/3000 Nova Medical Solutions Rev. 02 04.04 CS PS 24 Service...
  • Page 20 4 - 2 Changes to previous version This page intentionally left blank. M300/1000/3000/3000 Nova SPB7-230.841.03 Page 2 of 2 Siemens AG Service Rev. 02 04.04 CS PS 24 Medical Solutions...

This manual is also suitable for:

Mammomat 1000Mammomat 3000Mammomat 3000 nova

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