KKK-B-1579B
dc output at normal engine idle speed shall be furnished. Engine starting equipment shall include
thermostatic control of engine coolant temperature and an ether starting system or a glow plug.
Control of coolant temperature shall be accomplished by either thermostatically controlled
radiator shutters or by thermostatically controlling the flow of all engine coolant. If an ether
starting 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 and shall be inoperative with the engine warm. Complete provisions for a
replaceable reservoir of not less than 12 fluid ounces shall be furnished (a reservoir need not be
furnished).
*
3.4.2.4 Batteries. Each battery shall be of 12-volt potential. The total reserve capacity
rating and the total cold cranking ratings at 0oF, both measured in accordance with SAE J537,
shall be not less than specified in table II. Batteries shall be mounted on a sliding tray in an
enclosed compartment. Sliding tray, with batteries mounted, shall be capable of being pulled out
easily so that all cells shall be exposed for inspection and servicing without detaching batteries
from vehicle. Trays shall be coated with acid-resistant material. Battery access door shall be
provided on the side of the body and shall have a device installed for securing it in an open
position to facilitate servicing the batteries. Battery cable shall be routed and secured in such a
manner as to preclude chafing of the cable at any point. Vehicles shall be furnished with a
one-piece batteryground cable and a one-piece battery-to solenoid cable. The cables shall be
protected from all edges of all holes in metal members through which the cables pass. The
batteries shall be of the maintenance free type having the maintenance free characteristics listed
in W-B-131.
TABLE II. Batteries
Reserve capacity
Cold cranking
(minutes)
(ampheres)
Gasoline engine driven buses, all types
260
880
Diesel engine driven buses, type I, II, VI,
320
1,200
and VII
Diesel engine driven buses, type III, IV
480
1,800
and V
3.4.2.5 Lighting. Vehicle lights, reflectors, and wiring shall be as specified herein and
shall conform to Federal Motor Carrier Safety Standard 108. Lights and reflectors shall not be
mounted on rub rails or vehicle bumpers.
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