Date Code; Piston Height; Set Cylinder 1 To Tdc - Volvo D 20 Service Manual

Group 2l Engine
Cylinder head. installing
Observe dale code on gaskel and packet. Gasket must
b e u s e d b e f o r e t h i s d a t e .
O n l y g a s k e t s w i l h c o d e M O o r l a t e r m a y b e u s e d o n D 2 4
I
I
B
c
D
E
G
J
L
M '
1 9 8
0
I
rl'
S e p t
Oct
N o v
Dec
_ 0
= 1 9 8 0
I
r = r 9 8 r
|
2 = 1 9 8 2
t*
MO
3:
T o a v o i d i m p a i r i n g s e a L i n g p r o p e r t i e s o f g a s k e t d o n o t
o p e n p a c k e t u n t i l g a s k e t i s t o b e u s e d .
T a k e c a r e n o t t o d a r n a g e p a c k e t a n d c a L r s e d a m a g e l o
g a s k e t , ( t e f l o n s t r i p , r u b b e r s e a l ) .
l f p i s t o n s , c o n n e c t i n g r o d s e t c . a r e r e p a c e d , p i s t o n
h e i g h l m u s t b e m e a s u r e d , a n d g a s k e t c h o s e n a c c o r d i n g
Piston height above
mm {in)
notches thicknessmm (in}
0.67-0.80 (0_026-0.031
)
I ................ 1.4 (0.055)
0.81-0.90 (0.032-0.03s) 2 ................
1.5 (0.059)
0.9't-1.02(0.036
0.040) 3 ................
1.6 {0.063)
H5
Set cylinder 1 to TDC
F l y w h e e l t i m i n g m a r k a t ' 0
U s e a 2 7 m m s o c k e t o r w r e n c h 5 ' l 8 8 o n v i b r a t i o n d a m -
p e r c e n t e r b o l t t o t u r n e n g r n e .
=.-
Gasket
4 6