IBM 3274 51C Maintenance Information page 268

a
Collet
G CD
V Actuator Rod Screw
"
End Play
0.1 mm maximum
(0.004 inch)
Operator Knob
0
/
Figure F·21 (Part 2 of 2). Collet/Flat Spring Removal
7. Turn the operator knob
G
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 F-21.) Turn the solenoid plunger
CD
if
necessary.
9. Turn the operator knob
0
to the open position.
F·24
CD
Plunger
Eyelet Crimp
Facing Out
10. Remove the paper from between the heads.
11. 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.
12. Perform the Head Gap Adjustment (paragraph F .3.3.3).