Diskette Not Rotating - Control Data Corporation BR8 SERIES Hardware Maintenance Manual

G
o
c
6.5.2 DISKETTE NOT ROTATING
REPLACE
DRIVE
MOTOR
NO
~---
\..!B~2~)
77834769-U
CHECK
AC VOLTAGE
AT DRIVE
MOTOR
CONNECTOR
CHECK
DRIVE MOTOR
FOR ROTATION
CHECK
DRIVE BELT
FOR LOOSENESS
REALIGN
BELT
ONTO
PULLEY
CHECK
AC POWER
SOURCE
CHECK SPINDLE
AND CONE ASM.
FOR PROPER
ALIGNMENT
REPLACE
BELT
PERFORM
PUSH ROD
TRAVEL
ADJUSTMENT
(P
ar.
6. 6. 4)
CHECK DISKETTE
CLAMPING
AREA FOR
EXCESSIVE WEAR
CHECK GAP
BETWEEN BAI L
AND CASTING
AND ADJUST BAIL
FOR A GAP OF
YES
.072 WHEN SOL-
ENOID IS ACTUATED
(P
ar.
6. 6. 6)
PERFORM SPINDLE
AND CONE
ADJUSTMENT
(P
ar.
6. 6. 7)
REPLACE
DISKETTE
6 -5