H21/32
Page
1/3
Engine Maintenance General
Clearances and Wear Limits
엔진
정비
일반사항
간극
및
마모
제한치
Section No.
G09200
Rev.
3B
HYUNDAI HEAVY INDUSTRIES CO., LTD
.
Engine & Machinery Division 06.10/YJH
Section
No.
Part
Schematic drawing
Nominal Size
Clearance
Wear and
Repair Limit
Inner diameter
of cylinder liner
210.4
Wall thickness
of flame ring
Max=4.98
Min =4.93
4.75
M15000
M15100
Cylinder
liner
Cylinder liner
Water jacket
A=13
B=69
1
st
ring
a = 0.13~0.175
0.5
1
st
groove
6.35
2
nd
ring
b = 0.1~0.145
0.5
2
nd
groove
5.35
Oil scraper ring
c = 0.05~0.085
0.3
M31100
Piston ring
and groove
3
rd
groove
6.20
Piston pin and
boss
a = 0.05~0.085
0.12
Piston pin
Piston pin and
bush
A=100
b = 0.08~0.149
0.25
M31000
M32130
Big-end bearing
A=190
a = 0.133~0.231
0.3
(Shell thickness
4.925)
Main
bearing
B=220
b = 0.187~0.285
0.3
(Shell thickness
4.88)
M13250
Crankshaft
Thrust
bearing
C=179
c = 0.3~0.6
0.6
(Shell thickness
9.80)
A=6
-0.01
-0.025
A1=6
+0.15
+0.12
B=4.98
-0.01
-0.025
B1=5
+0.12
+0.09
C1=6
+0.06
+0.04
C=6
-0.01
-0.025
D=210
+0.046
0
