Table of Contents
Advertisement
16
©
M1crom1uor
1}1
Ptston
d111me1or
f1g.
30
'"
, IIICk
!1L'SS
nnupc
Fig
31
tll
P1stu11
l1l P1s1rm 11np:
I.ii
lhrc~ncss
oauge
Fig 32
lTl
.\11
,w muk
Fte.
33
C.
Inspec
tion
1
Measuring
the
piston
Measure the piston d1ame1er at tho piaton
sk
rt at right angle 10 lhe p1s1011 pin axis
using
a
micrometer
(Fig.
30).
S1anda1d Votue
Su,v,coable
Ltm1t
~~=-:._:..:....:.~.:....:...:_~-.-~~--';;._
1
5346-1
5354
Replace
If
uMo•
(38
98-39
00
mm)
1 73 (38
88
mm)
2
Measuring the rnston ring
end gap
Insert
the
piston r111g
1010
lhe
cylinder
skirt
and
measure
the
ring end ga~> w1m
a thrckness
gauge (Fig.
31)
Standaro
Value
0
004-
0 012
(0
1-0 3
mm)
Note
:
se,v1ceabtt
L,m11
Replace
,t
ovo,
0 02 (0 5
mrn)
For nrevenung damage 10 Ille piston
11nu
1he
01s1on 1s an
available
ano
conve111ent
1001
to
insert
the
r•no
11110
tne
cvl1nd131
3.
Measuring the piston ring
side
clearance
.1easure
the
clearance
between
lhe
piston ring
and
01stOfl
land
w ith a
1h1ck·
ness
gauge
(Fig
32}
Item
.
S1a11dard Value
Se11,o1c:eabl1t
L1m1t
lop
ana
00006-00018
Replace ,f
ovor
second rings'{O 015-0 0.45
"';2
~ 0039
(0 1 mm}
0
1
0
0004-0 001
.I
('place 1f
ove,
I
ring
(0 010-0 045
mmJ
O 0039 (0
1
mm}
d
Piston and piston ring are ovailable ,n
four
standard oversizes of
O 01
(0.25
mm)
up to
a
04
11
O
mm)
0
.
Reassembly
Perform the
reassembly
in
the reverse
order
of
disassembly as described on
page
9- 10
and
13-
14.
Note
:
When assembly1ng the
piston
to the
con·
necting
rod
make sure
that
the arrow
marked on the piston head is pointing
downward.
(Fig.
33)
..,
Advertisement
Table of Contents
