DETAILED CONTROLS AND GAUGES 4. Fuel Control Lever This lever (4) is used to control the engine speed and output. (a) Low idling: Push the lever fully. (b) High idling: Pull the lever fully. IMPORTANT When digging operations using the blade are continued for more than one hour, pay careful attention to the rise in the water temperature. 5. Blade Control Lever This lever (5) is used to control the blade. (a) Lower (b) Raise 70