OP000753
1-37
Safety
Welding Repairs
When carrying out welding repairs, carry out the welding in a
properly equipped place. The welding must be performed by a
qualified worker. During welding operations, there is the danger
of, generation of gas, fire, or electric shock, so never let an
unqualified worker do welding.
The qualified welder must do the following:
•
To prevent explosion of the battery, disconnect the
battery terminals and remove batteries.
•
To prevent generation of gas, remove the paint from
the location of the weld.
•
If hydraulic equipment, piping or places close to them
are heated, a flammable gas or mist will be generated
and there is danger of it catching fire. To avoid this,
never subject these places to heat.
•
Do not weld on pipes or on tubes that contain
flammable fluids. Do not flame cut on pipes or on
tubes that contain flammable fluids. Before you weld
on pipes or on tubes or before you flame cut on pipes
or on tubes, clean the pipes or tubes thoroughly with
a nonflammable solvent.
•
If heat is applied directly to rubber hoses or piping
under pressure, they may suddenly break so cover
them with a fireproof covering.
•
Wear protective clothing.
•
Make sure there is good ventilation.
•
Remove all flammable objects and provide a fire
extinguisher.
Precautions for Removal, Installation, and
Storage of Attachments
Before starting removal and installation of attachments, decide
the team leader.
Do not allow anyone except the authorized workers close to the
machine or attachment.
Place attachments that have been removed from the machine in
a safe place so that they do not fall. Put up a fence around the
attachments and take other measures to prevent unauthorized
persons from entering.
Figure 29
HDO1041L
Summary of Contents for DL160
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