00-C-2764
The starter button and gages for the engine shall also be mounted on or near
the above panel with the light switches. Each switch, control, or gage on the
instrument panel shall be identified. Arrows or any appropriate mark showing
the direction the control shall be moved tO OPerate, if pertinent,shall be
provided.
3.11.10 Horn. A suitable warning horn shall be mounted on the
superstructure and within the transport cube formed by the crawler and
superstructure. The horn shall be operated by a control, of good commercial
quality, mounted within reach of the operator.
3.11.11 Control Levers. The crane shall be controlled by the minimum
quantity of hand levers and foot pedals necessary for efficient operation. All
levers and pedals shall be conveniently located and arranged for easy access and
operation by the operator when seated in the normal operating position without
causing obstruction to the operator's view of work. All controls, wherever
located, shall be directional so as not to interfere with the normal operations
of the crane in accordance with ANSI B30.5. All brakes shall be capable of
being easily locked and unlocked. Control levers shall be free of all latches
which may seriously delay emergency operation. All levers and pedals shall be
permanently marked as to the function it controls, including the following: load
hoist-load lowering, boom hoist-boom lowering, swing right-swing left, throttle,
service brake, and travel forward-travel backward. When the same lever controls
more than one function, all such functions shall be marked.
3.12 Engine. The crane engine furnished, shall be of the diesel type having
hp, torque, and speed characteristics to meet satisfactorily all the crane
performance requirements specified herein. The diesel engine shall start within
5 minutes and be ready for full load operation within 15 minutes in any ambient
temperature from +120 deg F to -20 deg F. When a fluid priming system is
required, it shall be of the measured shot type with storage capacity of at
least 12 fluid ounces. The engine shall be furnished complete with at least the
following accessories:
a. An instrument panel complete with a lubricating oil pressure gage, a
fuel oil gage, a cooling liquid-temperature indicator, a battery
charge and discharge rate indicator, a tachometer, and an hour meter.
b. Fuel tank(s) with sufficient capacity for 8 hours normal operation.
c. 12- or 24V electric cranking system.
d. Battery(s) shall be dry charged in accordance with W-B-131, furnished
without electrolyte, and provided with sealed caps to prevent the
intrusion of atmospheric moisture.
e. Charging alternator with a capacity rating compatible to the system.
f. Cooling-liquid high temperature safety device of the warning type.
g. Lubricating oil safety device.
3.12.1 Torque converter and temperature indicating device. When a torque
converter is furnished for the crane, a temperature indicating device shall be
mounted on the instrument panel to register the torque converter oil
temperature.
3.13 Crawler mounting.
3.13.1 Crawler base. The crawler base shall be a steel casting or shall be
rigidly constructed of heavy steel, fitted and welded, and shall be constructed
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