Prepare - 26 SK800 Operator’s Manual Prepare Equipment Prepare Equipment p Check Supplies fuel diesel exhaust fluid (DEF), if needed marking flags or paint notepad and pencil spare fuses lubricants Check Equipment Fluid Levels fuel engine oil diesel exhaust fluid (DEF), if needed hydraulic fluid engine coolant Condition and Function all controls Improper control function. Use can cause death or serious injury. If control does not work as described in instructions, stop machine and have it serviced. battery hoses and valves pumps and motors tires or tracks signs, guards, and shields filters (air, oil, hydraulic, fuel) belts