Appendix - 156 - Items Specifications Remarks Valve spring Valve lift Projecting amount of valve guide Free length of inside spring Spring load of inside spring Spring load of inside spring Free length of outside spring Spring load of outside spring Spring load of outside spring 14.1 17.1 ~ 17.5 72.43 15 ~ 17kg 27 ~ 32kg 68.17 37 ~ 41kg 66.5 ~ 76.5kg Above valve spring at 46.3 mm at 32.3 mm at 46.3 mm at 32.8 mm Timing Rocker arm bush’s inside diameter Rocker arm bearing journal’s diameter Bearing’s clearance Push rod’s shaking Valve tappet ass’y part’s inside dia.
of block Push rod’s outside diameter Tappet clearance Bush assembly’s inside diameter of block Camshaft diameter Camshaft bearing oil gap Camshaft axial direction play Backlash (crank gear-camshaft gear) Backlash (driving gear – injection pump gear) Intake valve clearance Exhaust valve clearance 25.005 ~ 25.035 24.967 ~ 24.990 0.015 ~ 0.068 0.3 20.000 ~ 20.021 19.944 ~ 19.965 0.035 ~ 0.077 70.077 ~ 70.061 69.910 ~ 69.940 0.060 ~ 0.120 0.20 ~ 0.90 0.118 ~ 0.242 0.102 ~ 0.338 0.3 0.4 when assembled 20 H7 70 e7 Engine lubricating system Oil pressure at idling Oil pressure at rated speed operation Oil temperature Instantaneous allowable temperature Bypass valve opening pressure Pressure regulating valve of oil pump Spray nozzle Operating pressure Crossing pressure Tip diameter Backlash (crankshaft gear-oil pump drive gear) Oil pump housing’s depth/gear width Oil pump housing axial play 0.9 ~ 3.0 bar 3.0 ~ 6.5 bar less than 110 °C max.
100 °C 1.8 ~ 2.4 bar 8.5 ~ 10 bar 1.6 ~ 1.9 bar 1.3 ~ 1.6 bar 2 0.10 ~ 0.45 43.000 ~ 43.039 42.910 ~ 42.950 0.050 ~ 0.128 43 H8 43 e8 Engine cooling system Cooling water pump shaft diameter Bearing gap Impeller clearance (impeller – body) Thermostat Operating temperature (°C) 21.930 ~ 21.950 0.050 ~ 0.091 1.0 ~ 1.5 79 °C Inspection on compressed pressure Good Possible to use Need up keep Allowable max pressure difference between cylinders above 28 bar 25 ~ 28 bar bellow 24 bar 4 bar Fuel system Overflow valve’s operating pressure of injection pump Model of fuel injection pump Governor model Injection nozzle’s manufacture Injection nozzle hole’s diameter 1.3 ~ 1.8 bar Bosch GAC electronic Bosch 4 – 0.40