TESTING AND ADJUSTING STANDARD VALUE TABLE FOR ENGINE RELATED PARTS STANDARD VALUE TABLE FOR ENGINE RELATED PARTS Applicable model PC400, 450-6 Engine SAA6D125E-2 20-2 PC400, 450-6 Item Measurement conditions Unit Standard value for new machine Service limit value Engine speed High idling (Active mode) rpm 2,250 ± 70 2,250 ± 70 Low idling 700 700 Rated speed (Active mode) 2,050 — Rated speed Air supply pressure (boost pressure) kPa {mmHg} Min. 107 {Min. 800} 85.3 {640} Exhaust gas color At sudden acceleration At high idling Bosch index Max. 5.5 Max. 1.0 7.5 2.0 Valve clearance (normal temperaure) Intake valve Exhaust valve mm 0.34 0.71 — — Compression pressure (SAE oil) Oil temperature:
40 – 60°C (Engine speed) MPa {kg/cm2} (rpm) Min. 2.9 {30} (150 – 200) 2.0 {20} (150 – 200) Blowby pressure (SAE oil) (Water temperature: Operating range) At rated output kPa {mmH2O} Max. 0.98 {100} 1.96 {200} Oil pressure (Water temperature: Operating range) At high idling (SAE30) At high idling (SAE10W) At low idling (SAE30) At low idling (SAE10W) kPa {kg/cm2} 294 – 490 {3.0 – 5.0} 245 – 441 {2.5 – 4.5} Min. 118 {1.2} Min. 98 {1.0} 206 {2.1} 176 {1.8} 69 {0.7} 69 {0.7} Oil temperature Whole speed range (inside oil pan) °C 80 – 120 120 Fuel injection timing Before top dead center ° (degree) 8.5 – 9.5 8.5 – 9.5 Belt tension Deflection when pressed with finger force of approx.
58.8 N {6 kg} Fan pulley- alternator mm 8 6 – 10 Crankshaft pulley - air conditioner compressor 15 – 18 15 – 18