Volvo D24 - Page 22

Group 21 Engine
Valve adjustment
B4
Tum engine
apProx.
1/4
iurn
Piston
must
not be at
top dead
center
when
setting
valve
clearance,
otherwise
valves
will contact
piston
when tapp€t
is
deprsssed
I nco rrect clea ra nce
(
BZBS )
B5
Dopress tappets
Turn tappets
until
grooves
point
slightly
inward. using
tool
5196, depress
tappets
to obtain
access to
discs.
B6
Remove
disc
Use
5195.
Calculate
thickness ol
disc to be
used
Valve cl€arsnces
when setting:
B7
Cold
€ngine
Exhaust
Exhaust
0.20
0.40
in
0.008
0.016
0.25
0.010
0.45
0.018
Measurethicknessof
old discwith
a micrometer.
Calcu-
late thickness
of new
disc to be used,
see overleaf.
20