Tandy 1000 SL Technical Reference Manual page 499

3-5-3. Replacement o f
DD
motor Ass'y ( S p i n d l e Motor)
(1)
C r o s s p o i n t s c r e w d r i v e r , M3
(2) Comnon s c r e w d r i v e r , small s i z e
( 3 )
A
p a i r o f tweezers
( 4 ) Locking p a i n t
( 5 ) SKA o r u s e r ' s system
(6) Required equipment f o r each r e f e r r i n g i t e m
(B) Replacement procedure
(1) Disconnect t h e s p i n d l e motor connector (57).
(2) Remove t h r e e f i x i n g screws (Fig.405, S5) o f t h e
DD
motor Ass'y from t h e
upper s i d e of t h e F D D and draw out t h e
DD
motor Ass'y from t h e r o t o r
s i d e (PCBA s i d e )
.
(3) I n s t a l l a new
DD
motor Ass'y i n t h e r e v e r s e o r d e r o f i t e m s (1) and (2).
Refer to i t e m 3-2-2-5 a s t o t h e handling o f 57 connector.
Note: The s p i n d l e a r e a o f t h e
DD motor (clamping cup o f t h e d i s k )
i s
p r e c i s e l y machined. For i n s t a l l i n g t h e motor t o t h e frame,
p l a c e t h e s p i n d l e i n p a r a l l e l t o t h e frame and push i n t o t h e frame
slowly. Handle t h e s p i n d l e very c a r e f u l l y n o t t o damage t h e s p i n d l e
s u r f a c e .
( 4 ) Adjust
the s e t arm
p o s i t i o n according
t o i t e m 3-4-1.
(5) Check t h e f i l e p r o t e c t s e n s o r according t o i t e m 3-4-5.
(6) Check t h e d i s k r o t a t i o n a l speed according t o i t e m
3-4-6.
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