 |
|||
|
|
|||
| ||||||||||
|
|  MIL-T-46797B(AT)
(d) A fuel warmer or pre-heater shall be provided on diesel engine driven vehicles to
prevent clogging of fuel filters due to wax crystallization in the fuel. The fuel
warmer shall use engine coolant to transfer sufficient heat to the diesel fuel to heat it
from an inlet temperature of minus 40--F to an outlet temperature of plus 9F, with
a flow rate of not less than the maximum fuel demand of the engine fuel system. A
coolant shutoff valve shall be provided at the coolant inlet side of the fuel warmer
unit.
3.4.2 Electrical system. The electrical system shall be in accordance with Federal Motor
Carrier Safety Regulations 393.27 through 393.31 and 393.33.
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. When specified (see 6.2), 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 vehicles lights, reflectors, and wiring shall be as specified herein
and shall conform to Federal Motor Carrier Safety Regulations 393.12, 393.19, 391.20 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.
3.4.2.4 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 double-faced front signal units and 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 flash indicator.
3.4.2.5 Lighting cable. When specified (see 6.2), a lighting cable, conforming to
SAE J1067, shall be furnished. The cable shall be coiled and shall be not less than 110 inches
11
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals