Section 4. Operation; Applying Power; Removing Power; Tape Threading - Honeywell MTU9104 Operation Manual

Nrzi 7-/9-track magnetic tape unit
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This section describes the operation and main-
tenance procedures.
APPLYING POWER
Press the ON/OFF switch to ON. ON/OFF lights.
REMOVING POWER
Press the ON/OFF switch to OFF. ON/OFF
extinguishes.
TAPE MOUNTING
To mount a tape, follow this procedure.
1. Open the front glass door on the tape unit.
2. Prior to mounting the supply reel, visually
examine the condition of the tape. It should be
free of kinks and creases. Check condition of
the reel as well.
It
must not be warped or
damaged in any way.
Note:
If tape is to be written on, install a
write-permit ring in back of the tape
reel.
GUIDES
MTU9104/9112 (45 IPS) TAPE UNITS
Note: Broken lines indicate tape position when cycled-up.
Section 4
Operation
3. Open the supply reel hub loading latch and
place the supply reel on the hub. Handle the
reel by its hub and not by the flanges. Since
the flange is the weakest part of the reel, it is
more susceptible to damage.
4. Gently press the supply reel onto the supply
reel hub and close the loading latch.
5. In the same manner, install an empty reel
(take-up reel) on the remaining hub.
6. Refer to "Tape Threading."
TAPE THREADING
1. Using a clockwise direction of rotation, un-
wind approximately three feet of tape from
the supply reel.
2. Thread and feed the tape over the upper
roller guides, through the tape head area,
and under the capstan and lower roller guide
directly over to the take-in reel; see the tape
threading diagram located on the inside cover
of the handler door and Figure 4-1.
GUIDES
MTU9105/9113 (75 IPS) TAPE UNITS
Figure 4-1. Tape Threading Diagram
OPERATION
4-1
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