For a newly purchased vehicle, regular protection and maintenance at the beginning will ensure your engine with better performance，more economical and longer service life． 一．The maintenance for Cummins new engines during its primary running 1. The purpose for the primary running: through the lubrication oil running, it will smooth the …

1.1   Running instructions for new Cummins diesel engine, you have to obey the following rules at the first period of running 1500-2500km or 30-50h 1.1.1          The should be running at mid- speed before starting to avoid running under load at high speed. 1.1.2          The Cummins engine are not allowed to …