9 OPERATION OF THE ENGINE B Hourmeter The hourmeter shows the total operating hours of the excavator. A In these cases, the excavator must be checked and serviced according to the directions of the KUBOTA dealer. STARTING THE ENGINE UNDER COLD CONDITIONS C Meter reading The meter counts up 1 for one operating hour. The electric meter is still counting if the engine stops but the key is in the "ON" position. To avoid personal injury: A Make sure that the lock lever is in the lock position during warm up. Start the engine in the following manner; 1. Pull the throttle lever completely all the way back. 2. Turn the key to the "PREHEAT" position. (approx. 10 sec.) 3.
Turn the key to the "START" position; the engine will start. 4. Release the key after the engine has started; it will automatically return to the "ON" position. (1) Hourmeter B Checkpoints after Starting the Engine After starting the engine, but before starting operation, check following points: 1. Put the throttle lever in the "LOW" position and let the engine idle for approx. 5 minutes. This allows the engine lubricant to warm up and penetrate every part of the engine. A Let the engine warm up after start-up. A Let the engine warm up after start-up for approx. 10 minutes under no load conditions. If the hydraulic fluid temperature is too low, the operation will be affected.
Do not operate the excavator under full load before the engine is warmed up enough. A This idling is usually called "Warm-up". 2. Once the engine has warmed up, check: A the alarm lamp "Engine oil pressure" has gone out. A the alarm lamp "Battery charge" goes out when accelerating the engine. A the colour of the exhaust gas is normal and no abnormal noises or vibrations are heard or felt. A no fluid is leaking from pipes or hoses. C Should any following conditions arise, stop the engine immediately. A The engine revolution increases or decreases suddenly. A Sudden abnormal noises. A Exhaust gas is black. A Alarm lamp for engine oil lights up during operation.