TECHNICAL HANDBOOK LW 50
1173179329 01
WELDING OPERATIONS
Welding operations - safety instructions 2801065
Never perform welding operations unless
you are qualified to do so.
Observe the accident prevention regula-
tions.
Any work on receptacles that contain or
have contained substances which are
- combustible or which encourage com-
bustion, which
- are susceptible to explosion, or which
- may develop health-hazardous gases,
vapours, mist or dust during welding
operations
must be carried out only under expert su-
pervision and only by experienced per-
sons authorized to do such work.
Prior to any welding operations on the
machine:
- Disconnect the battery, first the nega-
tive terminal and then at the positive
terminal.
- Disconnect the positive terminal at the
alternator.
Protect the disconnected terminals and
plugs from short-circuiting and soiling by
covering them with foil or adhesive tape.
Apply the welding current terminals very
close to the welding point.
The welding current must not flow
through gearboxes, bolted or articulated
joints or hydraulic cylinders.
On completion of the welding operation,
restore all electrical connections.
When connecting the battery, first con-
nect the positive terminal and then the
negative terminal.
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