Mitsubishi S12R Service Manual

1 SAFETY
Mitsubishi Diesel Engine S12R OPERATION & MAINTENANCE MANUAL
59
Pub. No. 291Y1-40720 Revision: 5
Protective Devices
Protective Devices on the Engine
On this engine, protective devices are incorporated
in order to ensure the operators' safety and prevent
personal injury and damage to the engine.
The protective devices incorporated in the engine
will not function by themselves. Affix the
information (types, location, functions, etc.) of the
protective devices added at the time of the
generator's production onto "Protection Devices
Added during Manufacturing the Generator" (→
Page 15) as "Usage Information" for the operator.
It is very important for ensuring safety to maintain
these functions in order. Therefore, conduct the
scheduled maintenance.
• The functional check of the protective
devices must be conducted properly in
conformity to the operation status of
this engine. Schedule functional
checks of the protective devices.
• Follow the working methods and
procedures while taking advantage of
the permanently-installed protective
devices. Never deactivate the
protective devices.
• The location of the protective devices
varies depending on the specification
of the engine. Refer to "
Protection
System - Location" (→ Page 82).
• Equipped or not equipped, type, setting
value and figure of each protective
device vary depending on the
equipment and specifications. Check
the protective devices of your engine at
first.
■ Oil Pressure Switch
The oil pressure switch will send a signal when the
engine oil pressure has dropped and reached the
specified pressure.
Fig. 1-2 Oil Pressure Switch
■ Thermo Switch
The thermo switch will send a signal when the
engine coolant temperature becomes high and
reaches the specified temperature.
Fig. 1-3 Thermo Switch

Mitsubishi S12R Specifications

General

Brand	Mitsubishi
Model	S12R
Category	Engine
Language	English