1 SAFETY
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
60
Pub. No. 291Y1-40720 Revision: 5
â– Oil Filter Alarm Switch
The oil filter alarm switch will send a signal when
the difference in pressure across the filter reaches
the specified value due to clogged oil filter.
Fig. 1-4 Oil Filter Alarm Switch
â– Rotation Detection Pickup
The pickup will send a signal when the engine
speed becomes high and reaches the specified
engine speed.
Fig. 1-5 Rotation Detection Pickup
Lockout/Tagout
Lockout/tagout is a measure to avoid other
personnel to get injured by mistakenly switching
ON the power source during the work conducted by
multiple operators, and it is very effective for
ensuring safety.
In Japan, the Ordinance on Industrial Safety and
Health, Article 107 "Stoppage of Operation etc., in
the Case of Cleaning, etc." requires to lockout/
tagout.
Details of implementation and management of
lockout/tagout are described in OSHA§1910.147
issued by the Occupational Safety and Health
Administration. OSHA§1910.147 can be browsed
at the Internet website of OSHA.
• The customer is required to prepare the
tags.
• Prepare tags of the expected numbers
of operators if multiple operators are to
work in a dangerous area.
Lockout
Lockout is intended for ensuring safety when the
operators enter the dangerous area for
maintenance work such as replacing parts.
• Shut off all the power source and set to Zero
Energy State "
Zero Energy State" (→ Page 61).
• Lock up the power source so that the other
operators will not be able to switch on the power
source.
• The operator in charge must hold the key so that
other operators will not be able to open the lock.
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