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DV11
Operation and Maintenance
206
Appendix
Printed in Mar. 2005 PS-MMA0608-E1A
z
Maintenance specification table
(unit : mm)
Group Part
Inspection
item
Stand value
for assembly
Limit
for use
Correction Remark
Inside diameter of
cylinder liner
φ
127.990~
φ
128.010
φ
128.122
Replace liner
Measure unworn
portion beneath
the rim of the
upper side
Liner’s roundness &
columness (upper)
0.005
-
From top up to
168mm
Liner’s roundness &
columness (lower)
0.008
-
From bottom up to
85mm
Amount of liner
projection
0.04 ~ 0.08
-
Measure at upper
side of cylinder block
The flatness of upper
surface of cylinder block
0.03
-
Correct with a
surface grinder
Referenced
length : 150mm
Cylinder
block &
liner
Hydraulic test for 1
minute (kg/cm
2
)
4
-
Replace if
leaky
Temperature
70
°
C
Intake
-0.39 ~ -0.41
0.55
Valve seat
depression
Exhaust
-0.39 ~ -0.41
0.55
Replace valve
seat
Depression of valve
from lower face
of cylinder head
Cylinder head height
116.9 ~ 117.1
116.4
Replace
cylinder head
The flatness of lower
surface of cylinder head
0.08
0.1
Thick of cylinder head
gasket(at assembly
status)
1.215 ~ 1.285
-
Cylinder
block
Cylinder
head &
valve
Hydraulic test for 1
minute (kg/cm
2
)
4
-
Replace if
leaky
Temperature 70
°
C
Outer diameter of piston
φ
127.739~
φ
127.757
- Replace
liner
Measure at 56.8 mm
away from piston
head(long diameter)
Clearance between
piston and liner
0.233 ~ 0.271
0.35
Replace one
worn more
Inner diameter of
piston pin
φ
46.010~
φ
46.016
-
Standard
diameter
Top ring
3.5
-
2nd ring
3.040~3.060
-
Width of
piston ring
grooves
Oil ring
4.020~4.040
-
Replace piston
if groove width
is beyond
specified value
Measure
at 125mm
of top ring groove
Piston projection from
cylinder block upper
surface
0.0085~0.3765
- Must
exist
Measure unworn
portion beneath
the rim of
the upper side
Piston
Permissible weight
difference of each
piston
50g
50g
↓
Replace
piston
Top ring
3.34~3.36
-
2nd ring
2.975~2.990
-
Width of
piston ring
Oil ring
3.97~3.99
-
Replace ring
Major
moving
parts
Piston
ring
Piston ring
Top ring
0.35~0.55
1.5
Replace ring
Standard gauge
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