Diesel Generator Tech

This article will show you the detailed information of diesel engine installation requirements. 1. Installation of the crankshaft During crankshaft installation, the main bearing bolts should be tightened from thrust gear(the third gear) to both ends in order, and in three steps: ① tighten to 60－80 N.m ② tighten to 160－180 N.m ③ tighten to 220－260 N.m During every time, the crankshaft should be rotated to check the mobility. It should be able to rotate freely after the final tightening.The axial clearance should be between 0.1 and 0.27 mm . 2. Installations of the piston and the connecting rod When installing the piston rings, put the surfaces marked upward( the second positive twist ring inner fillet upward). During positioning the piston-connecting rod assembly into the cylinder bore, stagger the joints in turn.  A nd put the arrow marked on the top surface of piston towards the front end of the engine. Remember spreading some clean oil before tight...