MIL-H-62185(AT)
3.4.9 Hydraulic reservoir and lines. Provisions shall be made to assure the internal
cleanliness of the hydraulic reservoirs lines, and connections prior to initial filling of the reservoir.
The system shall be free from leakage, under all conditions of vehicle operation.
3.4.10 Cooling system. The engine water temperature, engine lubricant and transmission
lubricant temperatures, shall not exceed those shown in table I when the vehicle in operated under
any one of a combination of the following conditions:
Ambient air temperature up to 115°F.
(a)
(b)
Under full load.
(c)
At all speeds down to the track slippage point of the vehicle when operating on
smooth, level, hard-surfaced roads, but not when less than 3 miles per hour (mph) in
first gear or below a transmission speed ratio of 0.56 in other gears.
Table I. Operating Temperatures
Water Temp.
Maximum engine oil temp.
Maximum transmission
from engine
in sump
oil temp. into cooler
230°F
275°F
300°F
3.4.11 Electrical system.
3.4.11.1 Lights. The internal and external lights as specified on applicable drawings shall
operate throughout all vehicle operating conditions.
3.4.11.2 Bilge pump. The system shall provide nominal 24 volts dc to the pump at all times
when the impeller is covered by water.
3.4.11.3 Air cleaner blower. The air cleaner motor shall be capable of providing a flow of
air through the blower outlet.
3.4.11.4 Personnel heater. The system shall provide sufficient voltage to operate the igniter
and blower motor.
3.4.11.5 Communication equipment electrical service. The communication equipment
electrical service shall be capable of delivering 24 volts ac nominal to the communication
equipment.
3.4.11.6 Slip ring. The slip ring and external communications circuits shall maintain
continuity without evidence of shorts.
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