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|  MIL-C-53057(ME)
converter or transmission-fluid temperature monitor, fuel gage, a d
n
any other instruments used, unless otherwise specified herein.
Universal symbols shall be furnished in accordance with SAE J298 and
ANSI MH11.3. All gages shall be flush mounted and shall be provided
with switch-controlled illumination.
3.23 Controls and instrumentation. Each control shall be provided
with symbolic labels either on plates conforming to 3.32 or embossed
or depressed on or near the control. Labeling for levers which
control any part of the lift mechanism shall conform to ANSI MH11.3.
The labels shall be visible to the operator from his normal
operating position. All controls for the crane shall be located in
the operator's compartment and shall be within the maximum area
specified in SAE J898. Electric controls and instrumentation shall
be weathertight. All hand operated control shall be operable by
persons wearing cold-wet gloves. Mechanical push-pull remote
controls, when furnished, shall be of waterproof, heat resistance,
antifriction type, conforming to requirements for marine cables
specified in SAE J917, except as specified herein. As a minimum, all
exposed parts of the control cables shall be fabricated of
corrosion-resistant steel that has been passivated as per QQ-P-35.
The cables shall be covered with a polyethylene or vinyl jacket.
Cable ends shall be tailored to actuate all levers through their
respective arcs without binding. Bend radii shall be as recommended
by the cable manufacturer. The "as-installed" mechanical efficiency
of each installation shall be not less than 70 percent and the
no-load friction shall not exceed 5 ounces per foot. The control
manufacturer's recommended load ratings for continuous operation
shall not be exceeded for any required operation of the control
specified herein. Only controls associated with the cab, such as
windshield wiper and heater controls, may be mounted on the cab
structure.
3.23.1 Charging system monitor. A remote indicating ammeter or
voltmeter, or alternator indicator red light shall be furnished. The
ammeter shall be of sufficient capacity to indicate variations in
the current supply or demand experienced by the crane, exclusive of
starter requirements. The indicator light shall light when the
alternator is not charging and the engine run control is "on" and
shall be labeled "alternator" or with appropriate universal
symbology.
3.23.2 Engine oil pressure monitor A remote indicating engine oil
.
pressure gage shall be furnished. A low pressure red indicator light
or low pressure alarm shall be furnished in addition to the gage.
Means shall be provided to check operation of the light or alarm.
3.23.3 Engine coolant temperature monitor. For liquid cooled
engines, a remote indicating engine coolant temperature gage shall be
furnished and a high temperature red indicator light or alarm shall
be furnished in addition to the gage. Means shall be provided to
check operation of the light or alarm.
3.23.4 Rear steer indicator. An indicating light shall be furnished
to indicate when the rear wheels arc positioned other than straight
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