Electrical System; Safety Precautions For The Electrical System; Checking The Battery - Valtra HiTech T3 Series Operator's Manual

4. Maintenance
3. Pump fuel with the hand pump.
Continue the pumping until there are no air bubbles in the fuel stream.
4. Remove the hose and close the bleeding plug.
5. Clean the engine of eventual overspill fuel.
6. Start the engine.
The fuel system removes automatically the air left in the system.
4.8.6

Electrical system

4.8.6.1

Safety precautions for the electrical system

Follow the safety precautions for the electrical system.
IMPORTANT: Disconnect the negative battery lead before removing the alternator.
IMPORTANT: Never open the charging circuit while the engine is running.
IMPORTANT: Disconnect the negative lead of the battery first and connect it last.
IMPORTANT: Remove the battery caps during charging to prevent the build up of
explosive gases in the battery.
IMPORTANT: Always connect the battery with the correct polarity.
IMPORTANT: Do not connect any additional electrical equipment, as this may
damage components of the existing electrical system.
IMPORTANT: All electronic equipment is sensitive to electrostatic discharge
(ESD). Take all necessary measures to minimize or eliminate the risk of
equipment being damaged by ESD.
4.8.6.2

Checking the battery

Check and clean the battery on a regular basis.
• Check that the fan belts are correctly tightened.
• Keep the battery clean.
Wash it with lukewarm water after removal from the tractor.
IMPORTANT: Always disconnect the negative lead before washing.
DANGER: Avoid sparks or naked flames near the battery. The battery
gives off an explosive hydrogen gas! The battery electrolyte is
corrosive.
- 312 -