Service Standards; Engine Tuning - Yanmar 3YM30 Service Manual

13. Service standards

13.1 Engine tuning

No.
Intake/exhaust valve clearance
1
V-belt tension
2 at 98N (10kgf)
mm
Fuel injection pressure
3
Compression pressure (at 250 min
4
Cooling water Capacity
5
Liter (quart)
6 Lube oil capacity (full)
Lubricating oil pressure
7
MPa (kgf/cm
Oil pressure switch operating pressure
8
9 Thermostat
Thermo switch actuating temperature
10
Inspection item
Used part
Between alternator
and F.W. pump
New part
MPa (kgf/cm
3YM30
-1
)
2
3YM20
MPa (kgf/cm )
2YM15
3YM30
Engine 3YM20
2YM15
Coolant recovery tank
3YM30 Liter (quart)
(at rake angle 8 degree)
3YM20 Liter (quart)
(at rake angle 8 degree)
2YM15 Liter (quart)
(at rake angle 8 degree)
Marine gear KM2P-1
3YM30C Liter (quart)
(at rake angle 0 degree)
3YM20C Liter (quart)
(at rake angle 0 degree)
2YM15C Liter (quart)
(at rake angle 0 degree)
Sail drive SD20
at rated speed
2
)
at low idle speed
MPa (kgf/cm
valve opening
temperature
Full opening lift (mm)
(temperature)
(deg. C)
Standard
0.15-0.25
mm
8-10
6-8
12.3-13.28
2
(125-135)
)
3.43±0.1
(35±1)
3.23±0.1
(33±1)
4.9 (5.2)
4.1 (4.3)
3.0 (3.2)
0.8 (0.8)
0
2.8 /
-0.2
0
2.7 /
-0.2
0
2.0 /
-0.2
0.30 (0.64)
Liter (pint)
0
2.5 /
-0.2
0
2.4 /
-0.2
0
1.8 /
-0.2
2.2 (4.7)
Liter (pint)
0.29-0.44
(3.0-4.5)
0.06(0.6)
or above
0.05±0.01
2
(0.5±0.1)
)
69.5-72.5
deg. C
8 or above
(85 deg. C)
ON 93-97
201R1
13. Service standards
Limit
-
-
-
-
2.75±0.1
(28±1)
2.55±0.1
(26±1)
-
-
-
(3.0) -
-
(2.9)
-
(2.1)
-
-
(2.6)
(2.5) -
(1.9) -
-
-
-
-
-
-
-
Reference
page
2.2.2(5)
2.2.2(4)
2.2.7(2)
3.4
2.2.1(5)
2.2.2.(2)
2.2.2.(3)
-
8.2.5
12.7.1
2.5
2.4.2
12.7.2