Yanmar YSE8 - Renewal

*
Check
point
Remedy
Scratches
or wear on cylinder
(l)
M€asure using a cytrider
cauge.
Renew if
such
wear
or scralch exceeds the
maxinuln
allowable
value.
Renew ifrhe gap exceeds
l0 mnl.
on bolh
YSE8 and YSEI2 modeis.
Renew if
obsened srepless.
YSES
YSE12
Noninal
inside
Max.
Noininal
Max.
156
+0.30
8sd
+o.34
YSE8 YSEI2
Cylinder
liner
t04211
,0t
100
10451I
-01100
Liner
packing
101204
-01300
103388
{1300
(2)
Another sirnpler rnethod.
Ins€rt a new ring into No.l
rinS
position
of liner, tlEn measur€
th€ ring end
gap
using a clea-
ance
guage.
Note: The ring inserted
should be
perpendicular
to
liner.
(3)
Visualdet€rmination
*,
Renewal
1) Attach lock
nuts
to
two cylinder
head set-
bolts
positioned
slmmetrically to each
other, and
pull
out
the liner
with
the liner
puller.
Drive the nuts till four to
five
threads
come into sight,
Remove the
liner rubber
packing.2l
3l