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Maintenance Standards
Fuel system
Fuel injector
Valve opening pressure, MPa (kgf/cm
2
) [psi]
Nominal value ........... 34.32 (350) [4977]
Assembly Standard ... 34.32 to 34.81 350 to 355 [4977 to 5048]
Spray cone angle
Nominal value ........... 160°
NOTE! Check nozzle with a hand tester (at fuel oil temperature 20°C [68°F]. Replace the nozzle if the spray pattern is still bad after
washing in clean fuel oil.
Injection pump
Overall clearance at tappet roller, mm [in.]
Service Limit ............. 0.2 [0.00787]
Wear of contact surface between tappet and plunger, mm [in.]
Service Limit ............. 0.2 [0.00787]
Outside diameter at contact surface of camshaft oil seal, mm [in.]
Nominal value ........... Ø35 [1.378]
Assembly Standard ... 34.963 to 34.938 [1.37649 to 1.37551]
Service Limit ............. 34.800 [1.37001]
Camshaft deflection, mm [in.]
Assembly Standard ... 0.05 [0.00197]
Repair Limit ............... 0.15 [0.00591]
Plunger Spring, mm [in.]
Free length (A), mm[in.]
Assembly Standard ... 70.8 [2.787]
Perpendicularity (B), mm[in.]
Service Limit ............. 1.8 [0.071]
Length under test force, mm [in.]
Assembly standard ... 60.0 [2.36]
Test force, N (kgf) [lbf]
Assembly standard ... 299–366 (30.5–37.3) [67.2–82.2]
Delivery valve spring, mm [in.]
Free length (A)
Assembly Standard ... 18 [0.71]
Perpendicularity (B)
Service Limit .............. 0.6 [0.024]
Length under test force, mm [in.]
Assembly standard ... 14.15 [0.56]
36
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