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|  MIL-T-62223B(AT)
3.4.2.1 Starting system. For diesel engine driven vehicles, a 12 or 24-volt starting
system, with 12-volt direct current (dc) lighting system, and not less than a 60-ampere alternator,
shall be furnished. Engine starting equipment shall include an ether starting system or glow
plug. If an ether system is furnished in lieu of a glow plug, it shall be of the measured shot type.
Measured shot type ether systems shall be key operated or manually operated from the driver's
compartment, shall have a reservoir of not less than 12 fluid ounces and shall be inoperative with
the engine warm.
3.4.2.2 Ignition system. For gasoline engine driven vehicles, a 12-volt dc ignition
system shall be furnished. An alternator of not less than 40 amperes rated capacity, and which
provides not less than 16 amperes dc output at normal engine idle speed, shall be furnished.
3.4.2.3 Lighting. All vehicle lights, reflectors, and wiring shall conform to Federal
Motor Carrier Safety Regulations 393.12, 393.19, 393.20, and 393.22 through 393.26(d). Lights
and reflectors shall not be mounted on vertical surface of rub rails (unless recessed and fully
protected) or mounted on vehicle bumpers.
3.4.2.3.1 Turn signals. Turn signal lamps shall conform to SAE J588. Operating units
shall conform to SAE J589, class A, and shall be mounted on the steering column. The vehicle
shall be provided with doubled-faced front signal units and with single-faced rear signal units
installed in accordance with SAE J588 Except that turn signals shall not be mounted on engine
compartment hood. Turn signal operating units shall have visible and audible type flash
indicator.
3.4.2.4 Batteries. Each battery shall be of 12-volt potential. The total reserve capacity
ratings and the total cold cranking ampere rating at 0F, both measured in accordance with
SAE J537, shall be not less than specified in table I. The batteries shall be of the maintenance
free type having the maintenance free characteristics listed in W-B-131.
TABLE I. Batteries.
Reserve capacity
Cold cranking
Engine type
(minutes)
(amperes)
Diesel
320
1200
Gasoline
100
450
3.4.2.5 Radio interference suppression. The vehicle shall be suppressed to limit
electromagnetic radiation in accordance with SAE J551. Any body equipment emitting radiation
shall be suppressed to the same level as the vehicle chassis.
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