Komatsu — 4.2. Starting the engine with a booster cable

Troubleshooting 4.2. Starting the engine with a booster cable Connecting the booster cables Keep the start switch set to OFF. Connect the booster cable as follows, in the order of the numbers marked in the diagram. A 1 2 1. Make sure that the start switches of the normal and defective machine are both set to OFF. 2. Connect one clip of booster cable (A) to the positive (+) terminal of the defective machine. 3 Battery of the normal machine Battery of the problem machine B 3. Connect the other clip of booster cable (A) to the positive (+) terminal of the normal machine. Engine block of the problem machine 4 GK100876 4.

Connect one clip of booster cable (B) to the negative (-) terminal of the normal machine. 5. Connect the other clip of booster cable (B) to the engine block of the defective machine. 6. Let the engine run with a high speed. Starting the engine 1. Make sure the clips are firmly connected to the battery terminals. 2. Turn the start switch of the defective machine to the START position and start the engine. If the engine does not start at first, wait for at least 2 minutes before trying again. Disconnecting the booster cables After the engine has started, disconnect the booster cables in reverse order in which they were connected. 4 3 A 1.

Remove one clip of booster cable (B) from the engine block of the defective machine. 2. Remove the other clip of booster cable (B) from the negative (-) terminal of the normal machine. 2 Battery of the normal machine Battery of the problem machine 3. Remove one clip of booster cable (A) from the positive (+) terminal of the normal machine. B 1 Engine block of the problem machine GK100876 4. Remove the other clip of booster cable (A) from the positive (+) terminal of the defective machine. WA90-5 – VEAM270100 4-7