Head/Carriage Assembly; Head/Carriage Pressure Pad Removal And; Replacement - IBM 3274 51C Maintenance Information

7. Turn the operator knob,
0 '
to the closed position.
8. Push the bail,
0 '
inward slightly, and connect the
cable to the lever,
8.
Ensure that the eyelet crimp,
G '
is facing outward, that the cable remains on the
pulley, and that the cable is not twisted. (See Part 2
of Figure E-21.) Turn the solenoid plunger,
CD,
if necessary.
9. Turn the operator knob,
0 '
to the open position.
10. Ensure that the diskette moves in and out of the drive
smoothly without hitting the collet. If the diskette
will not move in and out smoothly, the flat spring,
e,
has been damaged, and a new flat spring should
be installed.
11. Perform the Head Gap Adjustment (paragraph
E.3.3.3).
Apply steady
pressure
~
31 SO Diskette Drive
....
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E.3.2 Head/Carriage Assembly
Warning: The head/carriage assembly is adjusted and tested
at the factory. Do not attempt to adjust or repair any part
of this assembly.
Do not attempt to clean the head/carriage assembly. If the
assembly is not clean, exchange it.
E.3.2.1 Head/Carriage Pressure Pad Removal and
Replacement
See Figure E-22.
Figure E-22. Head/Carriage Pressure Pad Removal and Replacement
E-24