27 Precautions in case of overheat 3 CAUTION IMPORTANT: Let the engine warm up after start- up for approx. 10 minutes under no load conditions. If the hydraulic fl uid temperature is too low, the operations will be affected. Do not operate the excavator under full load before the engine has warmed up enough. Do not open the radiator cap during and just after operation. Hot water may gush out and get you burned. Wait long enough until the radiator cools down. If by any chance cooling water gets heated up to the boiling point or over (overheated), the whistle at the reserve tank drain hose end blows. In such case, take the following steps. 1. Stop operation in a safe condition.
(Disconnect the engine’s load.) 2. Do not stop the engine suddenly. Keep the engine idling under no load for about 5 minutes and turn it off. 3. Keep yourself enough away from the machine for another 10 minutes or while steam is given off. 4. Make sure there is no hazard of getting burned. Pinpoint and remove the cause of overheat, referring to “TROUBLESHOOTING”. Then get the engine restarted. STOPPING THE ENGINE 3 WARNING To avoid personal injury or death: Do not keep the bucket or dozer in the lifted position, as a person could accidently touch the levers and cause serious accidents. 1. After slowing the engine to idle, turn the key to "STOP". 2. Remove the key.
Emergency Engine Stop Fuse 3 CAUTION To avoid personal injury: Do not open engine hood before stopping engine. Only when engine does not stop by key, open engine hood and pull out the fuse. STARTING THE ENGINE UNDER COLD CONDITIONS 3 CAUTION To avoid personal injury: Make sure that the lock lever is in the lock position during warm up. The engine will stop when the cap is removed and the fuse inside is pulled out. The engine can be restarted when the fuse is pushed back into its original position. Start the engine in the following manner; 1. Pull the lock levers all the way back (lock position). 2.
Turn the starter switch to the "RUN" position (glow position) and keep until the indicator lamp has gone out. 3. Move the starter switch to the "START" position; to crank and start the engine. 4. Release the starter switch after the engine has started; it will automatically return to the "RUN" position. (1) Emergency engine stop fuse (A) “OPEN” (B) “PULL OUT”