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7. WATER TEMPERATURE LIGHT: Remains 
off under normal operating temperatures. If 
the red light turns on, the engine protection system will stop the engine. The light will remain on when the engine is over temperature and the “Engine” switch is in the “ON” position (engine not running) but will go off as the engine cools.
8.FUEL LEVEL GAUGE: Displays the level of diesel fuel in the
9.ENGINE
ENGINE OPERATION
WARNING
DO NOT RUN THE ENGINE AT EXCESSIVE SPEEDS. The maximum allowable high idle speed for the RANGER 300 is 3700 RPM, no load. Do NOT adjust the governor screw on the engine. Severe per- sonal injury and damage to the machine can result if it is operated at speeds above the maximum rated speed.
Read and understand all safety instructions included in the Kubota instruction manual that is shipped with your RANGER 300.
BEFORE STARTING THE ENGINE
Check the engine oil level:
See Figure D.1 for location of dipstick.
1.Be sure the machine is on a level surface.
2.Remove the engine oil dipstick and wipe it with a clean cloth. Reinsert the dipstick and check the level on the dipstick.
3.Add oil (if necessary) to bring the level up to the full mark. Do not overfill.
4.Replace the dipstick.
Check and fill the engine fuel tank:
WARNING
DIESEL fuel can cause fire or explosion.
•Stop engine when fueling.
•Do not smoke when fueling.
•Do not overfill tank.
•Keep sparks and flame away from tank.
1. Remove the fuel tank cap.
2.Fill the tank approximately 4 inches (100 mm) from the top of the filler neck to allow for fuel expansion (observe the fuel gauge.) DO NOT FILL THE TANK TO THE POINT OF OVERFLOW.
3.Replace the fuel tank cap and tighten securely.
RANGER 300 D AND 300 DLX
