An emergency governor with overspeed trip shall be provided on each engine
to shutdown the unit should the speed exceed a predetermined RPM. The
overspeed trip shall also provide an alarm signal for remote indication.
The emergency governor shall be independent of the regulating governor.
When the overspeed stop has been tripped, the shutdown mechanisms shall be
such that the engine fuel and [or] air supply is prevented in the shortest
time practicable from entering the engine cylinders. The trip mechanism
may be part of the governor. The engine shall have an overload fuel limit
set at 110 percent of the full load specified in paragraph DIESEL ENGINE.
2.13.3
Governor Controls Location
The governor control shall be located at a point convenient to the location
of the engine instrument board as shown on the plans.
2.14
ENGINE INSTRUMENT BOARD
**************************************************************************
NOTES: All panels (including the engine instrument
board), except the remote panel, can be combined.
Delete the pyrometer devices for engines smaller
than 1,000 kW (1,340 hp). See paragraph PYROMETER.
Use the first subparagraph "f" and first
subparagraph "g" if diesel engines are specified;
use the second subparagraph "f" and second
subparagraph "g" if natural gas fueled engines are
specified.
**************************************************************************
The engine instrument board shall be as specified in paragraph PANELS, and
shall contain the following items:
a.
Coolant-fluid inlet temperature display
b.
Lubricating-oil pressure indicator
c.
Lubricating-oil inlet temperature display
d.
Red emergency stop (push-button or switch)
e.
Run-time meter
[f.
Fuel meter display]
[f.
Manifold vacuum display]
[g.
Fuel-header-pressure display]
[g.
Intake air temperature display]
h.
Tachometer display
i.
Engine start-stop switch
j.
Start-attempt indicator light
k.
Lubricating-oil prelubricating pump start-stop switch
SECTION 15133A
Page 37
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