Service and maintenance
124
Electrical system
Starting with booster batteries
IMPORTANT! The booster batteries or another power source
must have the same rated voltage as the batteries on the
machine.
NOTE! Under no circumstances may a switched-on battery
charger be connected to the batteries on the machine when
an attempt at starting the engine is made, as this may damage
the electronic system in the machine.
1 Turn off the battery disconnect switch
2 Remove the protections from the battery pole studs.
3 Connect two 12 V batteries in series.
4 Connect one of the jump leads between the (+) terminal on the
battery of the machine and the (+) terminal on the booster
battery.
5 Connect the other jump lead between the (–) terminal on the
booster battery and a grounding point on the machine
according to the adjacent figure.
6 Connect the batteries of the machine by turning on the battery
disconnect switch.
7 Wait for a couple of minutes and then start the engine with the
ignition key in the cab.
8 When the engine has started, first disconnect the jump lead
from the grounding point on the machine and then disconnect
the other end of the jump lead from the (–) terminal on the
booster battery.
9 Finally disconnect the jump lead between the (+) terminals.
10 Reinstall the insulating caps on the battery terminals.
Welding
NOTE! Before carrying out any electric welding on the
machine, all connectors must be disconnected from all ECUs.
Q
The current must be disconnected with the battery disconnect
switch.
Q
The battery cables must be disconnected from the battery pole
studs.
Q
All connectors must be disconnected from all ECUs. When
disconnecting and reconnection the ECUs, the leads must be
without current (the battery disconnect switch turned off and the
battery cables disconnected).
Q
Contact a workshop authorised by Volvo CE for more accurate
information on how to proceed.
WARNING!
Because of current surge the batteries may explode if a
charged battery is connected to a completely discharged
battery and this may cause injuries.
Содержание A35E FS
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