Engine service information, General service information – Cub Cadet Yanmar 3TNV72 User Manual

Page 56

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GENERAL SERVICE INFORMATION

TNV IDI Service Manual

4-21

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 7-19

Fuel Injection Pressure

1711 - 1842 psi

(11.8 - 12.8 MPa;

120 - 130 kgf / cm²)

-

Compression Pressure at
250 rpm (250 min¯¹)

3TNV72

470 ± 15 psi

(3.24 ± 0.1MPa;

33 ± 1 kgf / cm²)

370 ± 15 psi

(2.55 ± 0.1 MPa;

26 ± 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)

-

TNV_IDI_ServiceManual_(3TNV72 for YN only).book 21 ページ 2007年11月29日 木曜日 午後2時58分

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