00-C-2763
3.13 Carrier. Carrier frame shall be of the heavy steel fabrication type
with necessary braces and reinforcements to provide rigid support for the
revolving superstructure, hoisting drums, ropes, hook block, and jib, under
maximum load, when the telescopic boom is extended at minimum through maximum
radii at any position within the full working range. The revolving
super-structure shall be so positioned in a location on the carrier frame
permitting maximum efficiency for all purpose crane operations. Unless
otherwise specified (see 6.1), the crane carrier shall be the manufacturer's
standard width for the capacity crane furnished. The number of axles shall be
the manufacturer's standard for the capacity crane furnished with all rear axles
to be driven. All wheels shall be equipped with pneumatic tires of compatible
size for the load imposed. Power assisted steering for the front wheels shall
be provided. If crane furnished has more than two rear axles, not less than two
rear and one front axle shall be driven.
3.13.1 Transmission. The crane carrier shall be equipped with the
manufacturer's standard transmission for the size crane specified. The
transmission shall be equipped with a neutral safety start switch.
3.13.2 Brakes. The crane carrier shall be provided with the manufacturer's
standard, foot controlled, service brakes applied to a-n wheels. The service
brakes shall be capable of bringing the crane to a complete safe stop within the
distance specified in SAE J1152. A parking brake capable of holding the crane,
on a longitudinal slope of not less than 20 percent without slippage, shall be
provided.
3.13.3 Tires. Tires shall be of the tube or tubeless type with traction
type tread. Tires shall have a rated capacity at least equal to the load
imposed on each tire, measured at each wheel, at the ground, with the crane
loaded with the maximum safe load. Tire ratings shall conform to TRA
recommendations for the type and size of tires furnished. When specified (see
6.1), tires shall be high flotation type.
3.13.4 Lights and reflectors. The following lights and reflectors shall be
furnished and installed and shall be powered by a 12V electrical system:
The sealed beam headlights (mounted on carrier).
Taillights.
c.
stoplights.
d.
Clearance lights.
e.
Turn signal lights.
f*
Instrument panel light (both cabs).
A weatherproof automotive type of spotlight or floodlight.
g.
h.
Emergency 4-way flashing lights.
i.
Interior dome lights (both cabs).
All carrier lights, reflectors, and wiring shall conform to DoT Motor Carrier
Safety Regulations.
3.13.5 Engine(s). The crane engine(s) furnished, single or dual, shall be
of the diesel type having horsepower, torque, and speed characteristics to meet
satisfactorily all the crane performance requirements specified herein. The
engine(s) shall be capable of meeting the performance requirements using diesel
fuel conforming to W-F-800. The diesel engine(s) shall start within 5 minutes
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