Technical Information - 45 - 5. Fuel Consumption Excessive Causes according to Use Conditions 1. Overload 2. Govemor’s Arbitrary Adjustment 3. Full Speed Operation for Long time 4.
Sudden Speed Change from Low to Inspect fuel leakage High Speed Normal Oil leakage Inspect injection nozzle (injection pressure Adjust Replace atomizing state etc.) Retighten Replace Normal Check injection timing Adjust Normal Repair Replace Inspect compressed Check valve Cylinder liner pressure clearance Piston ring Piston Normal Disassemble Adjust injection pump Normal Inspect head gasket Replace Normal Disassemble engine (valve assembly piston cylinder liner etc.) Nor mal Inspect inje (injection p atomizing s ction nozzle ressure tate etc.) Nor mal Check inje ction timing Nor mal Inspect c pressure ompressed Nor mal Disass injectio emble n pump Nor mal Inspect h ead gasket Nor mal Disassemble engine (valve assembly piston cylinder liner etc.) Inspect f uel leakage Oil le akage