Subaru Robin Power Products EY20V Portable Generator User Manual


 
14.
TABLE
of
CORRECTION STANDARDS
T
-.
USE
LIMIT
0.65
0.1
5
-
0.1
0.1
5
0.035
0.25
0.1 5
0.06L
1.5
-0.1
ITEM
CORRECTION
METHOD
ENGINE
MODEL
I
SIZE
I
TOLERANCE
LIMIT
Flatness
of
cylinder
head
EY15
EY20
Less than
0.1
1
Surface
plate,
0.1
0.1
5
0.1
5
Correct
L-l=
EY20
rnax.
&
min.
67 dia.
1
0.01
Boring
Cylindricity
EY15
1
EY2O
0.015
1.2-1.5
I
Valve seat contact
width
EY15
EY2O
2.5
0.1
5
-
0.1
Correct
Replace
1
I
Valve guide
I.D.
I
portion
gauge
Micro-
meter
O.D.at skirt,
in
1
EY15
thrust
direction
(incl. over size)
Replace
S.T.D.66.98 dia.
-
0.02
:Top,6;:8;a.
i
67.23 dia.
+0.025
B
0.25
C 0.5
EY 20
Width
of
ring
groove
Vernier
calipers
Cylinder
gauge
Max. cylin-
der dia. and Cylinder
piston dia. gauge,
at skert
in
Micro-
thrust direc- meter
tion
Feeler
gauge
Cylinder
Micro-
meter
gauge.
Feeler
gauge
0.1
5
0.035
Replace
Oil
2.8
+O
.03
5
14
dia.
+o
,002
-
0.009
Piston pin hole
1
E:;:
Clearance between
piston and cylinder
EY15
EY20
I
0.020-0.059
Replace
0.025
Clearance between
pisition ring and
ring groove
1
EY15
TOP
2n
d
Oil
0.090--0,135
0.060-0.705
0.01 0-0.065
0.1
5
Replace
TOP
2nd
Oil
0.050-0.095
0.010-0.055
0.010-0.065
Fit between piston ~y15
and piston
pin
I
EY20
-0.009-0.010
TOP
2nd
0.20
-
0.40
Oil
TOP
2nd
0.05
-
0.25
Oil
Top 2.0
-0.090--0.110
2nd
2.0
-0.060--0.000
Oil
2.8
-0.0
10--0.030
0.06L
1.5
-0.1
Ring gap
k
Replace
Replace
1
Ring width
k
Mircro-
meter
TOP
2.0
-0.050--0.070
2nd
2.0
-0.010--0.030
011
2.8
-o.a10--0.030
-
44
-