Yanmar 3JH4BE - 13 Service Standards; Engine Tuning

13. SERVICE STANDARDS
191
13. SERVICE STANDARDS
13.1 Engine Tuning
No. Inspection item Standard Limit
Reference
page
1
Intake/exhaust valve clearance
mm
0.15-0.25 - 2.2.2(5)
2
V-belt tension
at 98N (10kgf)
mm
Between
alternator
and F.W. pump
Used part 8-10 -
2.2.2(4)
New part 6-8 -
3
Fuel injection pressure
MPa (kgf/cm
2
)
21.1-22.1
(215-225)
- 2.2.5(2)
4
Compression pressure (at 250 min
-1
)
MPa (kgf/cm
2
)
3.63±0.1
(37±1)
2.94±0.1
(30±1)
3.4
5
Cooling water Capacity
(Liter)
Engine 4.5 -
2.2.1(5)
Coolant recovery tank 0.8 -
6 Lube oil capacity (full)
3JH4E with KM35P
Liter
(rake angle 8 degree)
5.0±0.3 -
2.2.1.(3)
3JH4E with KM35A/
SD40
Liter
(rake angle 0 degree)
5.5±0.3 -
Marine gear KM35P
Liter
0.5 -
Marine gear KM35A
Liter
0.65 -
7
Lubricating oil pressure
MPa (kgf/cm
2
)
at rated speed
at low idle speed -
0.39-0.54
(4-5.5)
0.06(0.6)
or above
-
8
Oil pressure switch operating pressure
MPa (kgf/cm
2
)
0.02±0.01
(0.2±0.1)
--
9Thermostat
valve opening
temperature
deg. C
Full opening lift
(mm)
(temperature)
2.5
75.0-78.0
8 or above
(90 deg.C)
10
Thermo switch
actuating temperature
(deg.C)
ON 97-103 -
2.4.2
OFF 90 or more -
11 Top clearance 0.68-0.80 - 5.2.6