MIL-T-62518 Trucks, Maintenance: With 9 To 37 Meters 30 To 120 Foot Multi-Position Aerial Platform, Modified CommercialThis specification covers diesel and gasoline engine driven, four-wheel, two-rear-wheel drive; four-wheel, four-wheel drive; and six-wheel, four-wheel-drive trucks having minimum gross vehicle weights GVW of 6800 kilograms kg 15,000 to 22 700 kg 50,000 pounds, equipped with maintenance bodies and 9 to 37 meters m 30 to 120 foot multi-position, articulating, boom type aerial platforms. Vehicles procured under this specification are commercial items which are warranted by the manufacturer as specified in acquisition documents.

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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/m2 to 1030 kN/m2 (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