Starting The Engine With Jump Leads - Fayat Bomag BW 900-50 Service Manual

Fig. 274

7.3.3 Starting the engine with jump leads

Fig. 275
Troubleshooting – Troubleshooting, electrical systems
n Main fuse
WARNING!
Fire hazard!
Do not use fuses with higher ampere ratings and
do not repair fuses with a piece of wire.
25 A
NOTICE!
A wrong connection will cause severe damage
in the electric system.
–
1. Connect the plus pole of the external battery first with the
plus pole of the vehicle battery using the first jump lead.
2. Then connect the second battery cable first to the minus pole
of the current supplying auxiliary battery and then to engine
or chassis ground, as far away from the battery as possible.
3. Start the engine.
NOTICE!
Danger of damage to the electronic system!
If no powerful consuming device is switched on,
voltage peaks may occur when separating the con-
necting cables between the batteries, which could
damage electrical components.
4. Once the engine is running switch on a powerful consumer
(working light, etc.).
5. After starting disconnect the negative poles first and the posi-
tive poles after.
6. Switch off the consumer.
BW 900-50
F 00
Bridge the machine only with a 12 Volt auxiliary
battery.
211