. OPERATION OPERATION OPERATIONS, CHECKS AFTER STARTING ENGINE WARMING-UP OPERATION 1. After starting the engine, run the engine at low idle for 5 minutes for warming up operation. 2. After the warming-up operation, check that the machine monitor is normal. If there is any problem, carry out maintenance or repair. When the AISS LOW switch is at the AUTO position and the engine water temperature is still low, high idle revolution is automatically maintained. 3. Check if there is no problem in the steering operation, flashing of lights, sound of horn, exhaust gas color, noise, or vibration. If any problem is found, repair it.
Immediately after the engine is started, if the steering oil temperature is low, the steering will be slightly heavy, so avoid traveling at high speed. If there are any problems, please ask your Komatsu distributor to carry out adjustment and repairs. STOPPING ENGINE NOTICE Except when stopping in emergencies, run the engine at low idle to cool it down gradually after operations. If the engine is stopped without allowing it to cool down, the turbocharger is still rotating under inertia, so there will be lack of lubricating oil and this will reduce the service life of the machine.
REMARK If the engine overheats, "E02 ENGINE OVERHEAT" is displayed on the character display and the engine output is automatically limited. Run the engine under no load at a mid-range speed until the lamp goes out. 1. Set the shift lever to the N position, then set the parking brake switch to the PARKING position. 2. Lower the dump body and set the dump lever to the HOLD position. 3. Run the engine at low idle for about 5 minutes to cool down gradually. 4. Turn the key of starting switch (1) to the OFF position to stop the engine. 5. Remove the key from starting switch (1). 3 - 91 NOTICE n is completed. ing. n at a mid-range speed.
Avoid accelerating the engine suddenly before the warming-up operatio Do not run the engine for more than 20 minutes at low idling or high idl If it is necessary to idle the engine, apply a load from time to time or ru On machines equipped with auto emergency steering, if the machine is not fully warmed up, the emergency steering may be actuated momentarily when the parking brake switch is set to TRAVEL or the dump control lever is operated. After the engine starts, do not start operating the machine immediat ely. First, carry out the following operations and checks.