IBM 3274 51C Maintenance Information page 226

Plunger
Cable
I
Solenoid
Rubber Stop
31 SD Control Card
\OIB
~A
2 1
LEDCP
o TP24V
D
TPA010
o TPBOI
TPC04 0 0 0 TPCOI
o TPDOI
o TPLED
SCP
4 1
TPF020
TPG02
0
TPHOS
0
~
TPE030 0 0 TPEOI
Figure E-29. Head Gap Adjustment
Head Load Solenoid Activated
Head/Carriage Assembly
Strip of Clean Paper
\ 0,----,
Head Load Solenoid Deactivated
Head/Carriage Assembly
I
Bail Assembly
31 SD·3 to 4 mm
(0.118 to 0.159 inch)
Bail Assembly
Read/Write Head
o
AC Drive Motor
Power Cable
Cable Bail
Push in on the
bail to release
the cable eyelet
from the stud.
Bail
Alignment
Edge
Appendix E. IBM 31SD Diskette Drive Maintenance E-37