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11.
Use the procedures
in the preceding
steps to check
and
adjust
the
right reel motor tensions which are set by the slide A on R-205
(approx. 1.7~ 2.4 oz.) for forward play, and slide B on R-=205
(approx.
1.4~ 2.1 oz.) for reverse play.
12,
Set the tape tension
selector
switch to the 1/2 mil position.
Then check the torque
using the same procedure
as above.
The
scale
should
indicate
a decrease
of approximately
0.3 ounce
less
than the normal
tension
readings.
BRAKE ADJUSTMENT
Brake
adjustment
is made with no power applied to the equipment
(Fig. 8).
iL.
2.
3.
Place an empty 7 inch reel having 4 inch diameter hub on the left
reel turntable.
Make small loops at both ends of a 30 inch string.
Attach one loop to the tape anchor
on the reel hub and the other
to a 0O~10
oz. spring scale.
Wind
several
turns
of string onto the hub,
counterclockwise,
a false
and excessively
high initial
reading.
tion
that
all directions
of rotation
are
reversed.
NOTE:
The difference
in reading
of the right
and left
reel
turntable
brakes
should
be kept within
2.8 inch-ounces,
-
18 -
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