Protective Measures Before Starting Weld Repairs On The Undercarriage - Komatsu 06253 Operation & Maintenance Manual

MAINTENANCE 4.16 WELD REPAIRS
4.16.1 PROTECTIVE MEASURES BEFORE STARTING WELD REPAIRS ON
THE UNDERCARRIAGE
See illustration Z24083
On standard Excavators there are no special protective measures
necessary.
However, the general protective measures (A and B) must be
observed.
On Excavators with a power unit (generator set) mounted to the
undercarriage, all electrical connections between the Excavator
and the power unit have to be disconnected.
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