. OPERATION OPERATION OPERATION OPERATION any problem is found, contact your Komatsu distributor. 3 - 111 2. the engine rotation is smoo th, then check that the work equipment control lever is at the H equipment lock lever to the FREE Operate the bucket con it to the HOLD position trol lever to the TILT position repeatedly to warm up the hy and return draulic oil. Relieve the circuit at t sec. This brings the oil to th warm up the oil. After carrying out the of 10 4.
gauges and caution la If there is any abnorma lity, carry out maintenance o r repair Run the engine und er a light load until eng ine water temperature gauge (2) mperature gauge (3) are in the gr Check for abnormal ex REMARK The rotating speed of the abnormality. cooling fan differs according to the following conditions, but this does not indicate any The cooling fan speed incr eases when the hydraulic oil temperature, engine coolant te mperature, or transmission oil temperature are high.
fan is rotating in reverse, it rotates at a fixed speed proportional to the engine speed, However, when the cooling rotates at a fixed speed propor tional to the engin e speed, regardless of any oil or coo lant temperature.