1 SAFETY
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
62
Pub. No. 291Y1-40720 Revision: 5
Working Procedure in
Dangerous Areas
Works in Dangerous Areas
When you need to enter a dangerous area, for
example, to fix a problem that has occurred during
operation, follow the procedure below.
■ Works that Require Lockout/Tagout
• When you conduct a work which can
not be done for a short time, for
example, when replacing a part,
conduct lockout/tagout for ensuring
safety.
1 Operate the stop switch of the
generator "
Starting and Stopping
Devices Installed during
Manufacturing the Generator" (→
Page 86) to turn off the engine.
2 Lock the starting switch of the
generator "
Starting and Stopping
Devices Installed during
Manufacturing the Generator" (→
Page 86) with a key and hang a tag,
as necessary.
• Tags must be hanged, as necessary,
by considering the number of the
operators, difficulties to check the
presence of each other, or the
working times.
3 Conduct the works.
After completing the works, restore the condition as
follows.
1 Inform the other operators that the
works have been completed.
2 Remove the key and tag from the
starting switch of the generator.
3 Check for any operators remaining in
the dangerous area.
4 Inform the user company or
supervisor that the works have been
completed.
5 Start up the engine by the normal
operation procedure.
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