Hyundai HIMSEN H21/32 Instruction Book page 89

Engine Maintenance General
엔진 정비 일반사항
Section
Part
No.
Camshaft
bearing
M25000 Camshaft
Camshaft thrust
bearing
Intake/exhaust
rocker arm shaft
and bearing
M21210
Valve
operating
Tappet and
mechanism
tappet guide
and tappet
Tappet roller
M23000 shaft and
bearing
Intake valve
(stem part) and
guide
M21130
Exhaust valve
(stem part) and
guide
Guide pin for
M21210
yoke
Intake and
exhaust
valve
Intake valve
(face part)
Intake valve
seat
M21200
Exhaust valve
(face part)
Exhaust valve
seat
HYUNDAI HEAVY INDUSTRIES CO., LTD
Clearances and Wear Limits
간극 및 마모 제한치
Schematic drawing
b
B
a
A
.
Section No.
Nominal Size Clearance
A=179 a = 0.161~0.245
B=109 b = 0.1~0.15
a = 0.2~0.7
A=25
a' = 0.2~0.7
B=50 b = 0.025~0.08
C=30 c = 0.020~0.066
D=45 d = 0.050~0.091
E=26 e = 0.15~0.40
F=10 f = 0.025~0.066
A=16 a = 0.06~0.143
A=16 a = 0.08~0.161
B=20 b = 0.031~0.065
C=6
R1= -0˚ 5'~ 0˚
R1=30˚
R2=30˚ R2= 0˚ ~ 0˚ 5'
E=6
R3= -0˚ 5'~ 0˚
R3=30˚
F=0.38
R4= 0˚ ~ 0˚ 5'
R4=30˚
Engine & Machinery Division
Page
H21/32
2/3
Rev.
G09200 3B
Wear and
Repair Limit
0.3
0.2
0.2
0.2
0.3
0.3
0.2
4.5
4.5
06.10/YJH