DLA A-A-59245-1998 SWEEPER PERMANENT MAGNET ROAD TOWED《拖式路面永磁性清扫机》.pdf
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1、A-A-59245 9038054 0000609 290 FIETRICI A-A-59245 June 16. 1998 SUPERSEDING November 13,1992 00-S-2797 COMMERCIAL ITEM DESCRIPTION SWEEPER, PERMANENT MAGNET, ROAD, TOWED The General Services Administration has authorized the use of this commercial item description for all Federal agencies. 1. SCOPE.
2、This commercial item description (CID) covers towed, permanent magnet type, two- wheel mounted, road sweeper with not less than 2.4 metre (m) effective sweeping width. Permanent magnet road sweepers are used for picking up ferrous metal objects from runways, roads, and maintenance areas. 2. SALIENT
3、CHARACEISTICS. 2.1 Description. The sweeper shall be a self-contained unit complete with magnet assembly, retainer pans, tow bar with parking stand, wheels, and tires. 2.2 Standard commercial product. The sweeper shall, as a minimum, be in accordance with the requirements of this CID and shall be th
4、e manufacturers standard commercial product. Additional or better features which are not specifically prohibited by this CID but which are a part of the manufacturers standard commercial product, shall be included in the sweeper being furnished. A standard commercial product is a product which has b
5、een sold or is being currently offered for sale on the commercial market through advertisements or manufacturers catalogs, or brochures, and represents the latest production model. 2.3 Interchansability. All sweepers of the same classification furnished with similar options under a specific contract
6、 shall be identical to the extent necessary to ensure interchangeability of component parts, assemblies, accessories, and spare parts. Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: Officer In Charge (C
7、ode 15E2), Seabee Logistics Center, 41 11 San Pedro St., Port Hueneme, CA 93043-4410, by using the Standardization Document Improvement Proposal D Form 1426) appearing at the end of this document or bv letter. AMSC N/A FSC 3830 Provided by IHSNot for ResaleNo reproduction or networking permitted wit
8、hout license from IHS-,-,-A-A-59245 W 9018054 0000610 TO2 I I t A-A-5 9245 2.4 Desimi and constnxtion. 2.4.1 Environmental conditions. The sweeper shall be capable of satisfactory performance when operated in any ambient temperature from - 3 1 degrees Celsius (“C) to 5 1 OC. 2.4.2 Dissimilar metals.
9、 The use of dissimilar metals in intimate contact with each other shall be avoided in order to minimize galvanic corrosion between these metals. 2.4.3 Wheels, rims, and tires. The sweeper shall be mounted on two pneumatic-tired wheels. Rim and tire ratings shall conform to TRA recommendations for th
10、e type and size tires furnished. Tires shall be of the tubeless type, with highway tread. When specified (see 6.2), tires shall be filled with urethane foam. 2.4.4 Dimensions. The overall dimensions shall be not greater than 2.14 m in length, 3.3 m in width, and 1.17 m in height. 2.4.5 Tow bar. The
11、tow bar shall have a lunette type towing ring with a 76 millimetre (mm) inside diameter eye. Provisions shall be made for adjusting the height of the tow bar from 50 centimetre (cm) to 76 cm to match the height of the towing vehicle hitch. 2.4.6 Safety chain). The sweeper shall be coupled with a saf
12、ety chain) to the towing vehicle. The end of the chain) shall be frnishe with grabhooks, S-hooks, or anchor shackles. The chain(s) shall be of such length so that if the hitch fails, the tow bar shall not hit the ground. Each chain shall have an ultimate strength not less than equal to the gross wei
13、ght of the load being towed. 2.4.7 Safety reflectors. The sweeper shall be provided with not less than four red colored circular light reflectors, conforming to SAE J 594. Each reflector shall have a reflecting surface of not less than 76 mm in diameter. The reflectors shall be mounted one on each s
14、ide of the front, and one on each side of the rear portion of the sweeper. The reflectors shall be visible at night between 30 and 180 m when illuminated by the low beam headlights of an oncoming motor vehicle. The reflectors shall be securely fastened to the sweeper. 2.4.8 Magnet assembly. The magn
15、et assembly shall consist of one or more permanent magnets rigidly fastened within an enclosed metal housing with a cover plate used as the sweeper face. The effective sweeping width, from front to back, shall be not less than 230 mm. The metal housing shall be so designed to prevent the entrance of
16、 water and dust inside the assembly. When in the sweeping position, the magnets operating height shall be set to 75 mm, measured from level flat ground to the horizontal face of the magnets cover plate. Throughout the life of the sweeper, the magnet shall not show evidence of loss of magnetic streng
17、th. The ground clearance, while in the travel position, shall be not less than 125 mm. 2.4.9 Retainer pan). The onboard retainer pan) shall be furnished with handles that would enable one person to easily lift and remove pan( from their mountings for emptying purposes. The pan(s) shall be mounted su
18、ch that the metal debris collected on the magnet cover plate shall 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-? Y A-A-59245 be readily discharged into the retainer pan(s). The retainer pan(s) shall be provided with means to drain any accumulat
19、ed rainwater when the sweeper is stored outside. 2.4.10 Shock and vibration. The magnet assembly shall not release the attracted metals due to mechanical shock or vibration encountered over rough, unpaved ground containing rocks, bumps, potholes, debris, or other obstructions. 2.5 Performance. 2.5.1
20、 Travel speed. The sweeper shall be capable of being towed safely at any speed to 88 kilometre per hour (kmh) on asphalt or concrete public highway. The sweeper shall not shift or sway more than 76 mm to left or right. The sweeper shall not show evidence of binding or cramping when the towing vehicl
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