Operating Procedures - Control Data 1700 Reference Manual

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Operating Procedures
24
-20 and +20 Circuit Breakers:
These provide overload protection for the
respective dc circuits.
PNEUMA TIC MOTORS Circuit Breaker:
These provide overload protection
for the rotary pump motor and loop box vacuum pump.
-20, +20 and GRD Test Jacks:
These are connection points for monitoring
the respective dc voltages.
Power Application
1)
Open the rear door of tape transport.
2)
Turn on all circuit breakers.
3)
Close rear door of tape transport.
4)
Check that Unit Select switch on operator control panel is in desired
position.
5)
Press POWER switch on operator control panel.
Tape Loading Procedure
1)
Press down on top of window assembly to open.
2)
Check that the reverse reel (supply reel) has a write ring
if
a
Write operation is to be performed. Remove the ring for a Read
operation.
CAUTION
Make sure that valuable information has not
been stored on the reel before using it for
Write operation.
3)
Place the reverse reel on the reel hub.
Press the reel against the
hub stop and close the reel knob latch.
4)
Check that the pad is not under the head assembly. If necessary,
press down on the shield arm assembly handle until it latches.
5)
Unwind about 4 feet of tape from the reverse reel.
Thread tape
along the tape path as follows:
60330800 A

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