Engine Alarm Devices

2.1.2.13

Equip each engine with alarm devices. Auxiliary contacts shall be suitable

for activating a remote alarm system. Alarm devices shall have

factory-fixed set points. Provide the following alarm contact devices:

a.

Pressure switch which operates when lubricating oil pressure drops

below a preset value.

b.

Temperature switch which operates when jacket coolant temperature

exceeds a preset value.

c.

Temperature switch which operates when jacket coolant temperature is

too low.

d.

Other alarm devices as recommended by the engine manufacturer.

2.1.2.14

Miscellaneous Engine Accessories

Provide the following engine accessories where the manufacturer's standard

design permits:

a.

Piping on engine to inlet and outlet connections, including nonstandard

companion flanges.

b.

Structural steel subbase and vibration isolators, foundation bolts,

nuts, and pipe sleeves.

c.

Level jack screws or shims, as required.

d.

Rails, chocks, and shims for installation of subbase on the foundation.

e.

Removable guard, around fan.

Support guard, on engine subbase, to suit

manufacturer's standard.

2.1.2.15

Engine Speed Governor System

Provide a forward acting type engine speed governor system. Steady-state

frequency band and frequency regulation (droop) shall be in accordance with

the operating limit values of the performance class specified in the

paragraph entitled "Performance Class."

2.1.3

Generator and Excitation System

2.1.3.1

Generator

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NOTE: Use the following guidelines for specifying

generators:

1. Select dripproof guarded option for generators

without weatherproof enclosures.

2. Select NEMA MG 1, Part 16, standby duty, and

temperature rise of 130 degrees C for

engine-generator sets which are expected to operate

for less than 300 hours per year. Select NEMA MG 1,

Part 22, continuous duty, and temperature rise of

SECTION 16237N

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