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| ![]() MIL-G-24477(SHIPS)
3.2.5.10 Control system. The engine shall be provided with attached control levers
for starting stopping and speed regulation. Levers necessary for operation of the engine
shall be conveniently grouped at one e.d of the engine. The governor fuel actuating shaft,
or fuel injection pump control linkage shall be provided with a pointer and a graduated
scale to indicate pump rack position.
3.2.5.10.1 Auxiliary hand operation. When remote operation is required, for controlling
the engine speed auxiliary hand operation shall be provided. The design shall include means
to prevent simultaneous power and hand operation. Hand or power operated control mechanism
shall permit convenient operation by one man.
3.2.5.10.2 Emergency shutdown device. Engines shall be provided with an emergency
shutdown device, operable by a pull cable, which shall trip the fuel racks. The device shall
be of a type which-requires manual resetting before the engine can be restarted. This device
may be combined with the speed limiting device (see 3.2.5.8.1). The pull cable, sheaths,
guides, pulleys, handles and hardware shall not be constructed of any materials that would
burn, melt or render the control inoperable in case of an engine room fire.
3.2.6 Painting. Engines shall be painted in the same manner as for commercial delivery.
Internal oil-wetted surfaces shall not be painted.
3.2.7 Designating and marking. Engines, components and parts shall be marked for
identification in accordance with MIL-STD-130
3.2.7.1 Engines shall be provided with an identification plate secured to the engine
in a visible and convenient location. Identification plates shall be of metal and shall
show the following:
Engine type.
(a)
Serial number.
(b)
Federal stock number.
(c)
Contract number.
(d)
Model number.
(e)
R.p.m.
(f)
Bhp
(g)
Rotation.
(h)
(i)
Bore.
Stroke.
(j)
(k)
Dry weight.
3.2.7.2 Complete accessory components such as vendor furnished pumps, coolers, filters,
governors, electrical and starting equipments shall be provided with identification plates
showing manufacturer's name, model or part number, and capacities or ratings where applicable.
3.2.7.3 A plate with an arrow showing direction of rotation shall be secured to the
engine at the power take-off end of the engine.
3.2.7.4 Repair parts shall be marked with the manufacturer's part number by casting,
stamping, or etching. Where it is not practical to mark parts by any of these methods, the
parts shall be identified by tags or printed description on the package.
3.3 A.c generator. The generator shall conform to MIL-G-3124, except as otherwise
specified hereinafter, and shall have the following classification:
Type II
Type required . . . . . . . . . . .
Class B
Insulation . . . . . . . . . . . .
Rating
450 volts a.c.
Voltage . . . . . . . . . . .
Three
Phases. . . . . . . . . . . .
As specified
R.p.m. . . . . . . . . . . .
As specified (see 6.1)
Kilowatts (KW) . . . . . . . .
60 Hertz
Frequency . . . . . . . . .
0.8 lagging
Power factor (p.f.) . . . . .
50C.
Ambient temperature . . . . . . . .
Diesel engine
Prime mover . . . . . . . . . . .
Water-air-cooled
Enclosure. . . . . . . . . . . . .
Sleeve, forced lubricated
Bearing. . . . . . . . . . . .
from prime mover
Excitation system . . . . . . . . . Static, in accordance with
type III of MIL-R-2729
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