Authentic Weifang Weichai drilling machine grinder dredger diesel engine manufacturers 138-6460-0749K4100/ZH4100/ZH4102/K4102/ZH4105/R4105/R6105/R6113 fixed power diesel engine is mainly used in the mill, cutting machine, cutting machine, wheel driving equipment first insulation quilt in the tank with a clutch belt machine, water pump, air compressor, open the drain valve, continuous injection of 60-70 DEG C to clean water the water tank, touch the drain valve out of the water is hot, and then close the drain valve, 90-100 C to clean soft water poured into the water tank, and crank crankshaft, the moving parts are properly pre lubrication, and then re start.