Service Standards; Engine Tuning - Yanmar 3TNV Series Service Manual

12. SERVICE STANDARDS

12.1 Engine Tuning

No.
Gap at intake/exhaust valve heads
1
V-belt tension
2 mm
at 98N (10kgf)
Fuel injection
3 pressure
2
MPa (kgf/cm ) 3TNV82A TNV88(CL)
Compression
pressure
4
-1
(at 250 min )
2
MPa (kgf/cm ) TNV88-106
Coolant water
Capacity
5 (Only engine
body)
(Liter) 4TNV106(T)
Lubricating oil
capacity
6
(oil pan)
(Liter)
Lubricating oil
7 pressure
2
MPa (kgf/cm )
Oil pressure switch operating pressure
8
9 Thermostat
10 Thermo switch actuating temperature
Inspection item
TNV82A 98
mm 4TNV106(T)
Between alternator Used part
and crank pulley New part
Between alternator Used part
and radiator fan
New part
Between radiator fan Used part
and crank pulley
New part
3TNV82A TNV88(VM)
4TNV94L 106(T)
TNV82A
TNV84
3/4TNV84T
3TNV82A,84
3TNV84T,88
4TNV84(T),88
4TNV94L 98(T)
-
3TNV82A
3TNV84(T)/88
4TNV84(T)/88
4TNV94L/98(T)
4TNV106(T) (CL class)
4TNV106(T) (VM class)
-
3TNV82A 98
4TNV98T
4TNV106(T)
(VM, WO balancer)
4TNV106(T)
(CL, WO balancer)
4TNV106(T)
(VM, W balancer)
MPa (kgf/cm
All models
All models
option
Standard
0.15 0.25
0.25 0.35
10 14
8 12
7 10
5 8
9 13
7 11
21.57 22.55
(220 230)
19.6 20.6
(200 210)
3.16(31) 0.1(1)
3.24(33) 0.1(1)
2.94(30) 0.1(1)
3.43(35) 0.1(1)
1.8
2.0
2.7
4.2
6.0
Full Effective
5.5 1.9
6.7 2.8
7.4 3.4
10.5 4.5
14.0 9.0
14.0 7.5
at rated speed
0.29(3.0) 0.39(4.0)
0.39(4.0) 0.49(5.0)
0.31(3.2) 0.49(5.0)
0.34(3.5) 0.44(4.5)
0.05±0.01
2
)
(0.5±0.1)
valve opening
temperature
deg. C
69.5 72.5
80 84
(deg.C) 107 113
185
12. Service Standards
Reference
Limit
page
-
2.2.6(4)
-
-
-
2.2.2.(2)
- 2.2.6.(3)
2.45(25) 0.1(1)
2.55(26) 0.1(1)
3.3
2.45(25) 0.1(1)
2.75(28) 0.1(1)
-
-
- 2.2.1.(4)
-
-
-
-
-
2.2.1.(3)
-
-
-
-
at low idle speed -
0.06(0.6)
-
or above
- -
Full opening lift
(mm)
(temperature)
2.7
8 or above
(85 deg.C)
10 or above
(95 deg.C)
- 2.4.2