Volvo TAMD75P Operator's Manual page 60

Maintenance: Electrical system
58
5. If an extra consumer battery is used, there must
1
Electric welding
Disconnect the positive and negative battery cables.
Then disconnect all the leads to the alternator.
Also disconnect the connector for the EDC system by
pulling down the catch (A) while at the same pulling
out the connector.
Always connect the weld clamp to the component be-
ing welded and as close to the welding point as possi-
ble. Never connect the clamp to the engine or in such
a way as current can pass across a bearing.
be a main switch (1) between the (+) terminal of
the consumer battery and the fuse strip for the
boat's electric equipment. The main switch iso-
lates all consumers connected to the consumer
battery and is turned off when no longer needed.
Equipment connected to the consumer battery
must have separate switches.
To simultaneously charge two independent battery
circuits, fit a Volvo Penta charge distributor (ac-
cessory) to the regular alternator.
IMPORTANT! When welding has ceased, plug
in the connector and connect the leads to the al-
ternator before reconnecting the battery cables.