Technical Information - 46 - 6. Oil Consumption Excessive Cause according to use conditions 1. Excessive oil infusing 2. Continuous operation in low or extremely cold state Inspect oil leakage Inspect air cleaner Normal Oil leakage Clean Replace Check oil quality External Internal Replace with Retighten Check compressed specified oil Replace pressure Engine disassembly Normal (piston cylinder liner) Disassemble cylinderhead (valve stem seal) 7.
Engine Knocking Inspect combustion of fuel & oil (carbon residue exhaust gas) Unconfirmed Confirm Inspect compressed Disassemble pressure engine Too low Normal Check valve clearance and Inspect injection cylinderhead gasket for damage pump Normal Adjust Normal Replace Adjust Check fuel quality Disassemble engine Use specified fuel Unco nfirmed Inspect pressur compressed e Nor mal Inspect pump injection Norm al Check f uel quality Use specified fuel Inspect oi l leakage Inspect ai r cleaner Clean Replace Nor mal Oil le akage Check o il quality Ext ernal Inter nal Chec pres k compressed sure Normal Inspect combus (carbon residue tion of fuel & oil exhaust gas) Conf irm Too low Check valv cylinderhea e clearance and d gasket for damage Nor mal