Nortel North American DMS-100 Instruction Manual page 135

1-120 Trouble locating and clearing procedures (continued)
Replacing a 14-in. disk drive unit
30
297-8021-544 Standard 14.02 May 2001
Location of single-lever lock
Location of head and spindle locks
Spindle lock
Lever positioned toward
drive casting, spindle
locked
Lever positioned
away from drive
casting, spindle
unlocked
WARNING
Damage to the DDU
Make sure that the disk rotation stopped before you lock the
carriage and heads. If the disk continues to rotate, damage
occurs to the locking mechanism.
Set the lever (or levers) so that the carriage and heads lock.
(continued)
Lock
Unlock
Unlocked
position
Locked
position
Carriage/Head–
locking levers