Fig. 1-2 Oil Pressure Switch; Fig. 1-3 Thermo Switch; Fig. 1-4 Oil Filter Alarm Switch; Fig. 1-5 Rotation Detection Pickup - Mitsubishi S16R Series Operation & Maintenance Manual

Protection Devices
Protection Devices on the Engine
On this engine, protection devices are incorporated
in order to ensure the operators' safety and prevent
personal injury and damage to the engine.
The protection devices incorporated in the engine
will not function by themselves. Affix the
information (types, location, functions, etc.) of the
protection devices added at the time of the
generator's production onto
Added During Manufacturing the Generator" (→
Page 13) 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 protection
devices must be conducted properly in
conformity to the operation status of
this engine. Schedule functional
checks of the protection devices.
• Follow the working methods and
procedures while taking advantage of
the permanently-installed protection
devices. Never deactivate the
protection devices.
• The location of the protection devices
varies depending on the specification
of the engine. Refer to
System - Location" (→ Page
• Equipped or not equipped, type, setting
value and figure of each protection
device vary depending on the
equipment and specifications. Check
the protection 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

Mitsubishi Diesel Engine S16R & S16R2 OPERATION & MAINTENANCE MANUAL
Pub. No. K29001-00320 Revision: 1
"Protection Devices
"Protection
82).
■ 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

■ 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

■ 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

1 SAFETY
57