Electrical Welding - Volvo Penta D8 2020 Operator's Manual

Maintenance

Electrical Welding

Remove the positive and negative cables from the
batteries, then disconnect all cables connected to the
alternator, EMS and MCC.
Always connect the welder ground clamp to the
component to be welded, and as close as possible to
the weld site. The clamp must never be connected to
the engine or in such a way that current can pass
through a bearing.
IMPORTANT:
After finished welding, re-connect the alternator
terminals and cables connected to EMS, MCC before
connecting the battery cables.
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