Nanni 5.280HE Workshop Manual

Contents

Nanni 5.280HE Workshop Manual Manual pdf 107 page image

S-9003-M Series, WSM DIESEL ENGINE3. LUBRICATING SYSTEM[1] CHECKINGEngine Oil Pressure1. Remove the engine oil pressure switch, and set a oil pressuretester (Code No.: 07916-32032). (Adaptor screw size : PT 1/8)2. Start the engine. After warming up, measure the oil pressure ofboth idling and rated speeds.3. If the oil pressure is less than the allowable limit, check thefollowing.• Engine oil insufficient.• Oil pump defective• Oil strainer clogged• Oil filter cartridge clogged• Oil gallery clogged• Excessive oil clearance• Foreign matter in the relief valve(When reassembling)• After checking the engine oil pressure, tighten the engine oilpressure switch to the specified torque.W1034952Engine oil pressureAt idlespeedFactoryspec.More than 98 kPa1.0 kgf/cm 214 psiAllowablelimit49 kPa0.5 kgf/cm 27 psiAt ratedspeedFactoryspec.294 to 441 kPa3.0 to 4.5 kgf/cm 242.7 to 64.0 psiAllowablelimit245 kPa2.5 kgf/cm 235.6 psiTightening torque Oil pressure switch14.7 to 19.6 N·m1.5 to 2.0 kgf·m10.8 to 14.5 ft-lbsKiSC issued 08, 2012 A