Table of Contents
Advertisement
48
VALVE GEARING
Tappet clearance
(fig
.
31)
After the first 500
-7-
1000 km (300
-7-
600 miles
a.)
and later on every 3000 km
(2000
miles
a.)
or any
time valve operation is too
noisy,
tappet clearan-
ce should be checked.
This
adjustment is made by a cold
engine
with
the piston at TOC exactly at the end of
its
com-
pression stroke (valves fully
closed)
.
After removing the
head
cover,
operate
as
fol-
lows:
Slacken nut
«A».
2
Screw
in or ou
t
the adjuster
screw «8
»
until
the following clearances
are
obtain
ed;
•
inlet and
exhaust
va lve:
mm 0,22
(.0086"
).
Use a
fee ler
gauge
«C»
to
cneck c
learance.
In case
of
higher clearanc
e,
i
here
wil
l
be
noisy
valve operation
;
whil~
in case
of lower clearance
the
valves
do not clq.se fu I
ly
causing
inconve-
niences
such as
:
•
compression loss
;
engine
overheating
;
•
valve
burning.
31
Hide quick links:
Advertisement
Table of Contents
