Tandy 1000 SL Technical Reference Manual page 516

4-5.
RECOMMENDABLE
SPARE P A R T S LIST
I t
is recommended t o replace t h e wear p a r t s p e r i o d i c a l l y i f t h e F D D
is
operated a t a s p e c i a l l y heavy duty condition o r i f it i s operated
over f i v e years. Periodic replacement i s not required f o r t h e p a r t s
i f t h e F D D
i s
operated a t a normal operation duty.
Table 406 shows a l l of t h e maintenance p a r t s . Replace t h e wear parts
according t o the recomnended replacement cycle. Periodic replacement
i s
not required f o r p a r t s without a recommended replacement cycle.
The replacement of t h e p a r t s should be done according t o each r e f e r r e d
item i n Table 406.
Notes f o r Table:
1.
Head c a r r i a g e Ass'y a r e used always i n p a i r with two guide s h a f t s .
The head c a r r i a g e A s s ' y represented by l i s t e d p a r t s number i n Table
406 includes these guide s h a f t s which p a r t s number
i s
d i f f e r e n t from
t h a t of a head c a r r i a g e Ass'y i t s e l f without these guide s h a f t s .
Refer t o Note
2
and Table 402-C
i n
item 4-2-1 a s t o t h e d e t a i l s .
2. I t
i s
recommended t h a t t h e s t e e l b e l t and b e l t spring a r e replaced
together with t h e head c a r r i a g e Ass'y.
c a r r i a g e Ass'y i n Table 406 includes these two p a r t s . Refer t o
Note 2 and Table 402-C i n item 4-2-1 a s t o t h e d e t a i l s .
P a r t s number of the head
I f t h e s t e e l b e l t and b e l t spring a r e replaced i n d i v i d u a l l y o r
replaced with t h e stepping motor Ass'y, use t h e individual parts
number i n Table 406.
3. Periodic replacement
i s
not required f o r p a r t s without a recommended
replacement cycle.
r e p a i r .
Replace t h e p a r t s when required such a s during
4.
I f
two recommended cycles a r e l i s t e d , t h e cycle which t h e p a r t s reach
-
423
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