18
Operation
15
- Cylinder liner
replacement
Follow the dismantling procedure outlined in
operations 1
to
14
and then continue
as
follow
s:
1 Extra
ct
the four liners from the cylinder
block using a
tool
similar
to
that
shown in
Figure
24
.
Figure
24
Removing cylinder liners
2
Rem
ove all signs
of
sealing compound
from both t
he
liners and their seats in the
cylinder block.
3 Measure the liner bores for taper. ovality
and maximum wear.
Note:
Cylinder liners are manufactured in
different grade sizes and
are
graded
as
high,
low
or mea
n.
Pistons are similarly graded and
it is important
that
a piston and cylinder liner
should
be
of the
sa
me gr
ade.
The grade
of
the
piston is sta
mp
ed on
top
of
the piston
with
the appropriate grade letter, i.e. H- High,
L-
Low
, M - M
ea
n. The grade
of
th
e cylinder
liner is marked on the outside
wall
with
the
appropriate letter (see
Figure
26).
Pistons and cylinder liners
are
available from
the Spares Department
of
your Dealer in
matched pair
s.
It
should be noted that
if
pistons
or
cylinder
liners, available separately, are fitted. the
appropriate part number
with
a suffix H. L or
M should be quoted when ordering.
Operation
16
- Engine rebuild
The
following
infor
mation covers the
rebuilding
of
an
engine that has been
complete
ly
dismantled, e.g.
to
replace liners.etc.
The engine
M
Figure
25
Pi
ston and liner markings
1 Smear ICI
'S
ilcoset
152
' sealing compound,
thinly, around the seating face
of
the liner
and its location in the cylinder
block, making a
thin
but
co
mplete
360
" seal (see
Figure
26
).
Cylinder
Liner
· Silcoset · S
ea
la
nt
Figure
26
Sealing cylinder liners
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