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OPERATING INSTRUCTIONS
POWER APPLICATION
The following procedure prepares the drive
to go on-line.
1. Install a disk pack (refer to disk pack
installation.
2. Set main breaker box UNIT POWER circuit
breaker to ON.
Blower motor will start.
3. Open cabinet logic chassis gate located
at the
re~r
of the drive cabinet.
4. Position logic chassis maintenance panel
switches as follows:
83318200 E
•
POSITIONER OFFSET switch to NORMAL.
•
READ CLOCK switch to NORMAL
•
ON LINE switch to ON LINE
S. Close all dc power supply circuit break-
ers.
The +20Y indicator (on the dc
power supply) lights.
6. Close cabinet logic chassis gate.
7. Press operator panel START/STOP switch/
indicator.
This lights the indicator,
starts the spindle drive motor and
initiates the first seek sequence.
8. Completion of the first seek operation
lights the operator panel READY indica-
tor.
The heads are now positioned at
track 000 and the unit is ready to re-
ceive a command.
2-4.1
I
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