IBM System 9000 Troubleshooting And Servicing page 119

Benchtop computer
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4 .
Inst a l l the power supp ly mounting cover and s e cure the cover to the
mounting bracket and cirucit board assembly with the four mounting
screws .
See Figure 5 - 2 4 .
5 .
S l ide the power
ready for connecting to the disk drive ( s ) .
6 .
Insta l l
four mounting screws and secure power supply assembly t o
chas s is .
See Figure 5 - 24 .
7 .
Insta l l ground wire terminal with external tooth star
screw securing the ground wire to the cover .
certain s t a r washer is located at face of power supply cover to en­
sure proper grounding .
Caution :
Check a l l w i res i nc l ud i ng wiring to term i n a l strip on power
supply mounting b racket a n d make certa i n a l l connections are tight.
8 .
I n s t a l l diskette drive assemb l y .
5 . 1 4
8" D I S KETTE D R I VE
8 1 1 diskette drives are
The
F l oppy Disk port on the processor unit back p late .
5 . 14 . 1
REMOVAL
1 .
Stop a l l diskette activity and remove the diskette ( s ) .
2 .
Pos ition the diskette drive a s s embly ' s power switch to OFF .
3 .
Disconnect the power cord and a l l
the diskette drive a s s emb l y .
connector harness through the notch i n
See Sect ion 5 . 13 . 4 , "Replacement . "
located in an as sembly connected
other
See Figure 5 - 25 .
Removal and Replacement Procedures 5 - 3 8
the
See Figure 5 - 2 4 .
washer
See Figure 5 - 24 .
to the 8
connectors on the rear o f
cover
and
Make
1 1

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