Gel Cracks - Lotus TURBO ESPRIT Service Manual

Page 22
B.
S c a r s o r s i n k a g e s c o n t
.
.
.
.
Ensure t h e a r e a i s d u s t f r e e and s c r e e d t h e d e f e c t w i t h
c e l l u l o s e s t o p p e r A036B6327. Allow t o c u r e under i n f r a
r e d h e a t i n g a t 24 i n c h e s from t h e s u r f a c e a t a p a n e l
t e m p e r a t u r e o f 60°C, (140°F) f o r 30 m i n u t e s . Allow t o
a i r c o o l and wet f l a t u s i n g s o a p l u b r i c a n t , hand b l o c k
w i t h 400 grade p a p e r (3M). Blow i n t h e r e c t i f i e d a r e a
w i t h p r i m e r s u r f a c e r 22 A036B6396 t o b r i n g t h e d e f e c t
s u r f a c e l e v e l up t o t h a t o f t h e s u r r o u n d i n g paintwork.
I f s e v e r a l c o a t s a r e n e c e s s a r y a l l o w 10-15 m i n u t e s d r y i n g
t i m e between e a c h c o a t a t 18OC (65OF). Allow a f u r t h e r
30 m i n u t e s d r y i n g
t i m e
p r i o r t o a p p l y i n g i n f r a r e d h e a t i n g
f o r 1 5 m i n u t e s a t 24 i n c h e s from t h e p a n e l g i v i n g a s u r f a c e
t e m p e r a t u r e of 60°C (140°F). Allow t o a i r c o o l and w e t
f l a t t h e a r e a u s i n g hand b l o c k , l u b r i c a n t and 600 g r a d e
p a p e r (3M) t o complete.
Mix p a i n t a s f o l l o w s
:
-
PO30 t y p e mono p a i n t 40 p a r t s by volume
A036B6385 222 t h i n n e r 60 p a r t s by volume
t o g i v e 22 s e c s BS4 cup a t 21°C (70°F). T h i s t o b e s p r a y e d
u s i n g a Binks Bullows p r e s s u r e pot gun. Spray l i g h t c o a t s
t o o b t a i n d e s i r e d c o l o u r matching. Continue t o complete a s
i n 'A' above.
Gel Cracks
Remove t h e p a i n t , p r i m e r and g e l c o a t o v e r t h e c r a c k e d a r e a
and 1 / 2 i n c h s u r r o u n d i n g t h i s f e a t h e r i n g back t o t h e p a i n t
s u r f a c e o v e r a f u r t h e r 1/2 i n c h . Use a machine r o u t e r and
d i s c s a n d e r f o r t h i s purpose. Blow o u t d u s t , mix P38 f i l l e r
and f i l l t h e d e f e c t back t o s u r f a c e l a y e r . Allow t h e f i l l e r
t o c u r e u n t i l d r y t o t h e t o u c h , a p p r o x i m a t e l y 1 5 m i n u t e s a t
20°C (80°F). Apply i n f r a r e d lamps t o f u l l y c u r e t h e f i l l e r
f o r 30 m i n u t e s a t 24 i n c h e s from t h e p a n e l g i v i n g a s u r f a c e
t e m p e r a t u r e o f 60°C (140°F). Allow t o a i r c o o l ,
w e t
f l a t
t h e f i l l e d a r e a u s i n g s m a l l hand b l o c k s , l u b r i c a n t and 320 g r a d e
paper (3M) c o n f i n i n g f l a t t i n g t o t h e f i l l e d a r e a o n l y .