IBM 3274 51C Maintenance Information page 272

CD
Clamp Screw
Figure F-24 (Part 1 of 2). Head/Carriage Adjustment
17. Slide the head/carriage
e
against the thickness gauge
so it just touches but is not forced against the thickness
gauge. Install the carriage pressure spring (PN 4240631)
o
between the casting and the carriage to hold the
head/carriage assembly against the thickness gauge. The
pressure spring is attached to the diskette guide (see
Figure F-4).
e
Bracket to Carriage
Clamping Screws (2)
41)
Clamp Screw
o
Stepper \
Motor
Pulley
Motor
18. Tighten the two screws
CD
that fasten the bracket to
the carriage.
19. Remove the clip
CD
and the carriage pressure
spring
e.
20. Go to step 10 of paragraph F .3.2.2.
Appendix F. IBM 51 TD Diskette Drive Maintenance F-29