Starting With Jump Wires - Bomag BW 177 D-4 Operating Instructions Manual

Fig. 52
Turn the ignition key (Fig. 52) through position
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"II" to position "III", the starter will crank the en-
gine.
As soon as the engine ignites return the igni-
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tion key to position "I".
The engine oil pressure warning light and the
charge control light go out. The parking brake
warning light stays on.
Caution
!
Run the engine warm for a short while before
starting work. Do not rev up a cold engine to
high idle speed/full load speed.
BW 177 D-4
5.5

Starting with jump wires

Fig. 53
Caution
!
A wrong connection will cause severe damage
in the electric system.
Bridge the machine only with a 12 Volt auxilia-
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ry battery.
When jump starting with an external battery
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connect both plus poles first.
Then connect the ground cable first to the mi-
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nus pole of the current supplying auxiliary bat-
tery and then to engine or chassis ground, as
far away from the battery as possible (Fig. 53).
Start as described under 'Starting the engine'.
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Once the engine is running switch on a power-
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ful consumer (working light, etc.).
Caution
!
If no powerful consumer is switched on volt-
age peaks may occur when separating the con-
necting cables between the batteries, which
could damage electrical components.
After starting disconnect the negative poles
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(ground cable) first and the positive poles af-
ter.
Switch off the consumer.
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BOMAG
Operation
49