Yanmar 3TNV76 - Page 55

GENERAL SERVICE INFORMATION
TNV IDI Service Manual
4-25
Engine Service Information
ENGINE SERVICE INFORMATION
Inspection Item Standard Limit
Intake / Exhaust Valve Gap
0.006 - 0.010 in
(0.15 - 0.25 mm)
-
Fuel Injection Timing See Checking and Adjusting Fuel Injection Timing on page 7-18
Fuel Injection Pressure
1711 - 1842 psi
(11.8 - 12.8 MPa;
120 - 130 kgf / cm²)
-
Compression Pressure at
250 rpm (250 min¯¹)
2TNV70
3TNV70
470 ± 15 psi
(3.24 ± 0.1MPa;
33 ± 1 kgf / cm²)
370 ± 15 psi
(2.55 ± 0.1 MPa;
26 ± 1 kgf / cm²)
3TNV76
498 ± 15 psi
(3.43 ± 0.1MPa,
35 ± 1 kgf / cm²)
399 ± 15 psi
(2.75 ± 0.1 MPa,
28 ± 1 kgf / cm²)
Lubricating Oil Pressure
At rated output
42 - 64 psi (0.29 - 0.44 MPa;
2.96 - 4.49 kgf/cm
2
)
-
When idling
8.5 psi (0.06 MPa;
0.6 kgf/cm
2
) or greater
-
Thermostat
Valve Opening Temperature
Full Opening Lift
Temperature
157 - 163°F
(70 - 73°C)
0.32 in. (8 mm) or
Above
185°F (85°C)
Temperature Coolant Switch
225 - 235°F
(107 - 113°C)
-
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