Shibaura ST318, Workshop Manual

Page: 96 / 247

95
Unit Part Inspection Items
Standard
Dimension
Standard Value
To be
Repaired
Allowable
Limit
Remarks
Valve clearance (Intake/exhaust) 0.2 0.5
When
cooling
temperature
Valve
spring
Spring strength (kgf) 8.1 Less than 7
At 30.4 mm
compressed
length
Free height 35 33.5
T223
Less than 1.2 2.0
Inlet valve
timing
Open-Before T.D.C 13
°
Close-After B.D.C. 43
°
Exhaust
valve
timing Open-Before B.D.C.
43
°
Close-After T.D.C. 13
°
Overall length 157 156.8 – 157.2
Outer diameter
∅
6.3
Wear, rocker arm shaft
∅
11.66
∅
11.65 – 11.668
∅
11.57
Clearance between rocker arm and shaft 0.032 – 0.068 0.2
Oil
clearance
Oil pressure switch operating pressure
kPa (kgf/cm
2
)
29.4 (0.3)
19.6 – 39.2
(0.2 – 0.4)
Relief pressure kPa (kgf/cm
2
)
245 – 343
(2.5 – 3.5)
Lubrication oil capacity ( ℓ ) 3.0
With filter
change 3.3 ℓ
Tip clearance (rotor-to-vane) 0.1 – 0.15 0.25
Side clearance (rotor-to-cover) 0.1 – 0.15 0.2
Type 094500-6340 DENSO
Injection
timing
Before T.D.C.
23 - 25
°
Piston movement
before T.D.C.
4.217 – 4.96
RO
CKE
R
ARM
LUB
R
ICA
T
IO
N SYSTEM
PUS
H
ROD
OIL
PUMP
IN
JE
CT
IO
N
P
U
M
P
VA
L
V
E
VA
L
V
E
S
Y
S
T
E
M
F
U
EL
SY
ST
EM