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3-1-2. Check and Adjustment
6
Check of disk rotational speed
7
Check of erase gate delay
8
Check of head touch
Table 3102 shows all of the check and adjustment items.
These items do
not require periodic maintenance.
Check and adjustment should be done
when required during replacement of the maintenance parts or during
trouble shooting referring to items
3-2
and 3-4.
The numbered procedure in Table 3102 shows a typical procedure of the
general check and adjustment all over the FDD.
After the mechanical
items of steps 1
4, electric performance items of steps 5
15 should
be done.
3 minutes
3-4-6
3 minutes
3-4-7
3
minutes
3-4-8
kteps C h e c k and-adjustment items
I
Required time /Referred items
I
9
Check of asymmetry
10
Check of read level
3 minutes
3-4-9
3 minutes
3-4-10
I
11
Check of resolution
1
3 minutes
1
3-4-11
I
I
12
Check and adjustment of track
3-4-12
1
alignment
I
3-4-13
I
minutes
I
I
13
Check and adjustment of track
00
sensor
I
14
Check of track
00
stopper
~
1
3 minutes
I
3-4-14--
1
I
Check and adjustment of index burst
3-4-15
(Table
3102)
Check and adjustment items
-
3102
-
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