SHB 28Z3 EN – Edition 2.0 * 28z3s314.fm 3-61
Maintenance
3.23 Electrical system
Service and maintenance work at regular intervals
Checks before driving the machine or when changing drivers
• Is the light system OK?
• Do the lights and the signalling and warning system work?
• Adjust the mirrors correctly, clean them and check them for damage and correct
function.
Every week
• Electric fuses – see chapter 6.7 Fuse box on page 6-4
• Cable and earth connections
• Battery charge condition – see Battery on page 3-62
• Condition of battery terminals
Instructions concerning specific components
Cables, lamps and fuses
Always observe the following instructions:
• Defective components of the electrical system must always be replaced by an
authorised expert. Lamps and fuses may be replaced by the customer.
• When carrying out maintenance work on the electrical system, pay particular attention
to ensuring good contact in leads and fuses.
• Blown fuses indicate overloading or short circuits. The electrical system must therefore
be checked before installing the new fuse.
• Only use fuses with the specified load capacity (amperage)
– see chapter 6.7 Fuse box on page 6-4
Alternator
Always observe the following instructions:
• 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 carrying out welding work or connecting a quick
battery charger.
• Replace defective charge indicator lights immediately
– see Alternator charge function indicator light (red) on page 1-12
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