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PRECAUTIONS EM-367 < PRECAUTION > [R9M] C D E F G H I J K L M A EM N P O • Before carrying out any work, check that the fuel rail is not under pressure and that the fuel temper- ature is not too high. [The system can inject the diesel into the engine at a pressure up to 160,000 2 , 23,200 psi)]. • Respect the cleaning and safety advice specified in this document for any work on the high pressure injection system. • Remove of the interior of the fuel pump and fuel injectors is prohibited. ning. • It is not possible to remove the fuel pressure sensor from the fuel rail because this may cause circuit contamination malfunctions. If the fuel pressure sensor fails, the fuel pressure sensor, the fuel rail • It is strictly forbidden to remove the fuel pump pulley. CAUTION: After any operation, check that there is no diesel leakage. ° C (122F) and provided there are no malfunctions present, carry out a road test, taking the engine speed up to 4,000 rpm at least once to check that there is no leak- • Perform a visual inspection after the road test to check that there is no high pressure leakage. Precautions For Engine Service INFOID:0000000010281960 DISCONNECTING FUEL PIPING • Before starting work, check no fire or spark producing items are in the work area. DRAINING ENGINE COOLANT Drain engine coolant and engine oil when the engine is cooled. INSPECTION, REPAIR AND REPLACEMENT Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and REMOVAL AND DISASSEMBLY • When instructed to use SST, use specified tools. Always be careful to work safely, avoid forceful or unin- structed operations. • Exercise maximum care to avoid damage to mating or sliding surfaces. check that dowel pins are installed in the original position. • Must cover openings of engine system with a tape or equivalent, to seal out foreign materials. opposite, and so on. If the order of loosening is specified, do exactly as specified. Power tools may be used ASSEMBLY AND INSTALLATION • Use torque wrench to tighten bolts or nuts to specification. ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is specified, • Replace with new gasket, packing, oil seal or O-ring. |