7-44 BA ET18, 20, 24 en* 1.5 * et18_20_24w710.fm
7 Maintenance
7.13 Electrical system
Important information regarding the electrical system
Maintenance and repair work on the electrical system may be performed
only by trained technical personnel and/or a Wacker Neuson service
center!
• Malfunctioning components of the electrical system must always be
replaced by a Wacker Neuson service center.
• Light bulbs and fuses may be replaced by the user.
Alternator
• Start the engine only if the battery is connected.
• When connecting the battery, ensure that the poles (+/−) are not
inverted.
• Always disconnect the battery before connecting a quick battery
charger.
• Have malfunctioning charge indicator lights immediately replaced.
Explosion hazard! During normal operation of batteries.
Can cause serious injury or death.
► Wear protective gloves and eye protection.
► Do not smoke and never work with an open flame or sparks near open
battery cells.
► Do not attempt to jump-start the machine if the battery is frozen or if the
acid level is low. The battery can burst or explode. Replace the battery
immediately.
► Disconnect the negative terminal (–) from the battery before starting
repair work on the electrical system.
Use only 12 V power sources. Higher voltages will damage the electrical
components.
When connecting the battery leads, ensure that the poles +/− are not
inverted, otherwise sensitive electrical components will be damaged.
Do not interrupt voltage-carrying circuits at the battery terminals because
of the sparking hazard.
Do not place tools or other conductive articles on the battery – risk of short
circuit.
Dispose of used batteries properly and in an environmentally friendly
manner.
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