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Auxiliary engine spark arrester |
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|  MIL-T-62518A
3.6.10.7 Auxiliary engine exhaust system. The exhaust system shall conform to Federal
Motor Carrier Safety Regulation 393.83. Means shall be provided to vent exhaust fumes away
from the cab and body. The exhaust system or hydraulic system shall be shielded so that, in the
event of a hydraulic line rupture or hydraulic fluid leak, the hydraulic fluid will not come into
contact with any part of the auxiliary or main chassis engine exhaust systems.
3.6.10.7.1 Auxiliary engine spark arrester. A spark arrester shall be furnished, having an
80 percent arresting efficiency when rated in accordance with SAE J350.
3.6.10.8 Auxiliary engine electrical system. The auxiliary engine electrical system shall
utilize the truck chassis battery and shall be in accordance with Federal Motor Carrier Safety
Regulations 393.30, 393.31 and 393.33.
3.6.10.9 Air compressor. When specified (see 6.2), an air compressor shall be furnished.
The compressor shall be the two-stage type with constant speed control, shall have an actual
displacement of 0.85 cubic meter per minute (30 cubic feet per minute), and shall provide a
pressure of not less than 1.0 MPa (150 pounds per square inch (psi)). The air compressor shall
be complete with receiver, moisture separator, automatic oilers, shock- and waterproof pressure
gage, safety valve, and all necessary equipment for satisfactory operation of the compressor.
The air compressor shall be powered by the auxiliary engine. The compressor shall be so
installed as to minimize the transfer of vibration from the auxiliary engine. The receiver tank
shall have a capacity of not less than 113 L (30 gallons). An air pressure regulator having a
setting range of at least 344 kN/m to 1030 kN/m (50 psi to 150 psi) shall be furnished. An air
line, extending from the compressor to an outlet in the cabinet at the curbside of the vehicle,
shall be provided. An air line extending from the compressor to an outlet(s) at the basket(s) shall
be provided and shall be of the nonconductive type. An air line shut-off valve shall be provided
in the cabinet and at the basket outlets.
3.6.10.9.1 Pneumatic outlet. When an air compressor is specified (see 3.6.10.9), an air outlet
shall be furnished in the basket(s). One 2440 mm (8-foot) air hose, for use in the basket(s), shall
be furnished. The hose shall be rubber, nonconductive, with quick disconnect fittings on both
ends, compatible with the outlet and standard pneumatic tools. Dust caps shall be furnished on
both ends of the air hose. All critical pneumatic components shall comply with ANSI A92.2.
3.6.11 Hydraulic tools.
* 3.6.11.1 Ground hydraulic tool outlets. Unless otherwise specified (see 6.2), a hydraulic tool
outlet shall be provided in the curbside cabinet or in a protected but accessible position on the
rear, under the platform or on the curbside of the turntable pedestal. The tool outlet shall use
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