Tandy 1000 SL Technical Reference Manual page 425

(17) Repeat t h e procedure from item (10) t o
( 1 4 ) .
(18) I f t h e value i n item (91, (121, (131, or (17) is out of t h e s p e c i f i e d
range, a d j u s t according t o the following procedure.
( a ) Key
i n
'*CO" (RECALIBRATE)
and execute items (10) and (11).
( b ) Loosen the unload adjusting screw u n t i l t h e unload l e v e l i s observed
a t lOOmsec a f t e r the unload command.
Refer t o dotted l i n e i n Fig.3408.
( c )
Tighten the adjusting screw l i t t l e by l i t t l e and search t h e screwing
p o i n t where the unload l e v e l exactly disappears a t lOOmsec a f t e r t h e
unload command.
( d ) Key i n "F". (STOP)
( e ) Key
i n
"C1" (SEEK
TMAX)
and execute items (10) and (11).
( f ) Confirm unload l e v e l according to item (12).
I f t h e unload l e v e l i s observed a t lOOmsec a f t e r the unload comnand,
repeat item (c) a t t h e innermost t r a c k .
(g) Key i n "F".
(STOP)
(h) Tighten t h e a d j u s t i n g screw by
90°
from t h e above point.
( i ) Apply a drop of locking p a i n t on t h e a d j u s t i n g screw.
(19) Key i n "CO" and confirm t h a t t h e
TRACK
i n d i c a t o r becomes "00".
(RECALIBRATE)
(20) After opening t h e f r o n t l e v e r , draw o u t t h e disk slowly.
I n t h e process
of drawing out, the s i d e
0
and s i d e 1 heads shall not catch t h e head
window edge
of
t h e disk jacket (opening a r e a
of
t h e j a c k e t to make the
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3413
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