Lotus TURBO ESPRIT Service Manual page 88

SECTION BB Page
7 3
Bobbins P u l l i n g Out
T h i s c o u l d be c a u s e d by o v e r l o a d i n g e . g . a c c i d e n t damage.
Where t h e bobbin and
i t s s u r r o u n d i n g a r e a i s
a c c e s s i b l e from
t h e rough s i d e of t h e l a m i n a t e s e i t h e r n a t u r a l l y o r by
c u t t i n g non-weakening a c c e s s h o l e s , t h e remedy i s t o i m p r o v i s e
a l o c a l mould i n wood o r g l a s s f i b r e of t h e body s u r r o u n d i n g
t h e f i n i s h e d s i d e of t h e bobbin.
D i f f i c u l t y may be e x p e r i e n c e d i n temporary r e - l o c a t i n g t h e
bobbin and i t s s u r r o u n d i n g l a m i n a t e i n i t s o r i g i n a l p o s i t i o n .
A l o c a l mould of t h e smooth s i d e of t h e s u r r o u n d i n g a r e a
( f o r example 6 i n (15 c m ) beyond i n a l l d i r e c t i o n s ) s h o u l d
e l i m i n a t e t h i s t r o u b l e . R e - r e g i s t e r i n g can be a c h i e v e d by
d r i l l i n g h o l e s t h r o u g h mould and body and t h r o u g h t h e bobbin
b e f o r e removing t h e r e p a i r mould.
A d d i t i o n a l
4
i n (10 cm) s q u a r e p a t c h e s t o make t o up:-
1 / 4 i n and 5/16 i n b o b b i n s : t h e e q u i v a l e n t of
5
x
1$ oz
l a y e r s .
3/8 i n and 7/16 i n b o b b i n s : t h e e q u i v a l e n t of 7
x
1 . 4 o z
1 a y e r s
.
NOTE: Number of p a t c h e s t o be determined from t h e above.
The bobbin can t h e n be d i r e c t l y l a m i n a t e d on t h e o l d
mounting by u s i n g t h e t e c h n i q u e s d e s c r i b e d and o v e r l a p p i n g
t h e new l a m i n a t e on t o t h e o l d by s e v e r a l i n c h e s
( c e n t i m e t r e s ) whenever p o s s i b l e .
The l a r g e r b o b b i n s a r e used o n l y where t h e l o a d i n g s a r e
known t o be h i g h , e . g . body mountings, s e a t a t t a c h m e n t s ,
e t c
.
.
S m a l l e r b o b b i n s a r e u s e d
as
a l o c a t o r y p o i n t or a
b l i n d a t t a c h m e n t p o i n t .
T y p i c a l i n s t a n c e s such a s n o n - s t r u c t u r a l a p p l i c a t i o n s a r e
headlamp p i v o t s . I n t h e s e c a s e s l o o s e bobbins can b e
r e p a i r e d by more l o c a l i s e d and
less
e x a c t i n g means, e . g .
f o r c i n g i n a dough m i x t u r e around and b e h i n d t h e b o b b i n ;
winding t a p e around
i t , e t c . .