Starlight generator

China National VI Emission Standards are expected to take effect on July 1st, 2020. Thus, China ’ s engine manufacturing industry is set to undergo radical changes in the next few years. As one of China ’ s leading players in the industry, Dongfeng Cummins has made full preparations. So far, some of its engine products are not only fully in line with China ’ s National VI Emission Standards, but also achieve higher reliability, higher fuel economy and more powerful performances.  Just two years countdown to the implementation of National VI Emission Standards, Dongfeng Cummins set up a special working team dedicated to developing engines with super durability. Backed up by its well-connected after-sales networks, Dongfeng Cummins has collected precious operation data from its customers about dozens of its engines which boast a mileage of over one million kilometers. Statistics have indicated that despite their super long mileage, the average fuel consumption of these we...

This post is mainly written to introduce how to adjust crosshead, injector and valves of Cummins NT diesel engines correctly. Pay attention to reading and you will learn more. Crosshead Adjustment Note: Crosshead adjustment should always be made before attempting to adjust the valves. 1. Loosen the locknut on the crosshead adjusting screw. Turn the adjusting screw out at least one turn. 2. Hold the crosshead down against its mating valve stem. Turn the adjusting screw back in until it touches the valve stem. Hold the adjusting screw in this position and tighten the locknut. 3. Tighten the adjusting screw locknut to 25 to 30 ft-lb [34 to 41 N*m] torque. Note: When ST-669 Torque Wrench Adapter is used, tighten the locknut to 22 to 26 ft-lb [30 to 35 N*m] torque. 4. Check the clearance between the crosshead and valve spring retainer 1 and 2. Fig. 2-19 with a wire gauge. Tighten must be a minimum of 0.025 inch [0.64 mm] clearance. Valve Adjustment The ...