Install Bolts For Cover; Install Camshaft Sprocket And Belt - Volvo D 20 Service Manual

Group 21 Engine
Cylinder head, installing
Connect copper
glow plugs
connecting
H9
stdp lor two rear
o
H 1 0
Install bolts lor cover
H 1 1
Install camshaft sprocket and belt
Pull belt to ensure that it sits correctly on crankshaft
g e a f .
Place belt overcamshafi sprocket and position sprocket
T i g h t e n c e n t e r b o l t b y h a n d , b u t i t s h o u l d s t i l b e p o s s i '
b l e t o t u r n s p r o c k e t o n c a m s h a f t .
H l 2
Set belt tension
A d j u s t l e n s i o n b y m o v i n g c o o l i n g p u m p .
U s e g a u g e 5 1 9 7 t o c h e c k t e n s i o n . A t t a c h g a u g e r o b e t r
a n d s e t t o 1 2 . 5 u n i t s .
S t r e l c h b e l t u n i i l m a r k o n g a u g e p u n g e r i s f u s h w i r h
D e p r e s s b e h s t r o n g y w i t h h a n d a n d . e c h e c U a d j u s t t e n -
rD
H 1 3
Marke sure cyl. 1 is at top dead center
C h e c k ' 0 m a r k o n f l y w h e e a n d a d j u s t i f n e c e s s e r y .