IBM System 9000 Troubleshooting And Servicing page 113

Benchtop computer
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Dis connect the CRT display cable by pushing back on the spring - loaded
3 .
retaining c l ips that hold the connector in p l ace dis connecting the
grounding c l ip and pul ling the connector away from the processor unit
back p l ate . See Figure 5 - 1 .
Not e :
When removing the CRT display unit and br idge assembly note
the p lacement of the bridge over the tractor drive shaft on the
printer/plotter .
shaft when replacing the ass emb ly .
4 .
Remove the CRT display unit and b ridge assembly by loosening the four
knurled thumb screws and l ifting the assemb ly . See Figure 5 - 2 .
Carefully p lace the assembly upside down on a f l at surface so that
5 .
the two diskette mounting s crews under the CRT are visib l e .
be necessary to loosen the gimbal and rotate the bridge to gain ac­
cess to the mounting screws .
6 .
Loosen the two mounting screws and s l ide the diskette drive out
through the front of the CRT display unit hous ing .
7 .
Dis connect the two connectors and remove the diskette drive . See
Figure 5-22 .
The bridge must be p laced over the tractor drive
See Figure 5 -2 1 .
Removal and Rep lacement Procedures 5 - 32
It may

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