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December 2019W11/W12/W13 | Operation manual
Electrical system
• Always disconnect the battery in the correct sequence!
- Disconnecting: First the negative terminal, then the positive terminal!
- Connecting: First the positive terminal, then the negative terminal!
• Always disconnect the battery before working on the electrical system if tools, spare parts, etc., may come into
contact with electrical components or contacts!
• Always disconnect the battery before welding!
After servicing
• After completing servicing and inspection work, replace all protective devices.
• Do not start the engine until you have stopped working on the wheel loader and there are no people left in the
danger zone.
• Only start the engine from the driver's seat!
• After completing servicing and inspection work, carry out a functional test with the wheel loader!