AIR FORCE A-A-58024-1994 DIESEL-ENGINE-DRIVEN PNEUMATIC TIRED TRENCHERS《柴油发动机驱动的气动挖沟》.pdf

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1、A-A-58024 29 July 1994 SUPERSEDING MIL-T-87985 13 MAR 89 COMMERCIAL ITEM DESCRIPTION Diesel-Engine-Driven Pneumatic Tired Trenchers This commercial item description covers self-propelled diesel-engine-driven pneumatic tired trenchers. Type I - 45HP Type II - 70HP Salient characteristics: A. Design.

2、The trencher shall be pneumatic tire mounted, four wheel drive, four wheel power steered, air/liquid cooled, diesel engine driven, with heavy duty rear differential and designed to perform underground construction. The trencher shall be compatible with optional attachments or accessories which perfo

3、rm backfilling, spoils conveyance, trenching, rock sawing, backhoeing and cable laying. forward and back and have a mechanical positive pin lock. The type I trencher shall be equipped with 31X15.50-15 8 ply bar lug tires. trencher shall be equipped with 38x18-20 8 ply bar lug tires. The operators se

4、at shall swivel 45 and 90 degrees, be adjustable The The type II B. .Engine. The engine shall be heavy duty air or liquid cooled, either two or four stroke cycle diesel. The engine shall be equipped with an efficient fuel injection mechanism, fuel filter system, air cleaner of the oil bath or dry ty

5、pe filter, and a lubricating oil filter. As a minimum, the engine shall have a Net Brake Horsepower, obtained and corrected in accordance with SAEJ1349, of not less than 45 hp for a type I trencher and not less than 70 hp for a type II trencher. C. Ground drive. Ground speed while working or mobilin

6、g must be through Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data which may improve this document should be sent to: WR-ALC/LVRE, 225 Ocmulgee Ct, Robins AFB, GA 31098-1647. AMSC N/A FSC 3805 DISTRIBUTION STATEMENT A. Approved for public release; distrib

7、ution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-58024 9999974 OLb44b8 324 A-A- 5 80 2 4 hydrostatic drive with infinitely variable speed control using four selectable speed ranges in both forward and reverse. two speed ranges

8、which can be shifted While mobiling. D. Use conditions. The trenching machine and specified attachments shall negotiate 20 percent side slopes and 20 percent longitudinal slopes without the engine or other pressure lubricated components losing constant operating oil pressure and be able to operate w

9、ithout malfunction. shall be accomplished without any wheel of the trenching machine losing contact with the ground. The ground drive motor shall have These slope conditions E. Temperature conditions. Without preheating from an external source, the engine shall start within five minutes and shall op

10、erate under full load conditions within 15 minutes after engine start. of operating in 15 to 115 degrees Fahrenheit ambient temperatures. starting aids is permissible. The engine shall be capable The use of F. Safety. The trencher shall not start unless an operator is in the seat, the speed/directio

11、nal control is in neutral, and the attachment drive control is in neutral. While operating, the trenching machine shall shut down if the operator leaves the seat and the speed/directional control or the attachment drive control is not in neutral. The four post type Roll-over Protection Structure (RO

12、PS) shall be provided. The trencher(s) shall conform to all Federal Laws and Regulations governing noise, air pollution and other health and safety requirements which are in effect for this type of equipment at the time of contract award. G. Hydraulic System. The trencher shall have an efficient, co

13、ol-running hydraulic system taking full advantage of a high capacity oil cooler, and a hydraulic oil reservoir with baffles. H. Instrumentation and controls. The following instruments and controls, convenient to and in full view of the operatorfs normal operating position shall be furnished: 1. Volt

14、meter (or Ammeter) 2. Tachometer 3. Hourmeter 4. Fuel gauge 5. Oil pressure indicator 6. Air cleaner indicator 7. SpeecVdirectional controls both foot and hand operated I. Attachments. the following attachments: The trencher shall be capable of being equipped with any of 1. Multi-position digging at

15、tachment* 2. 3. Backhoe (24 inch bucket required, capable of digging Vibratory plow with fiber optic package 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-58024 W 9999974 OLb44b 260 A-A- 5 80 2 4 at a minimum depth of 7 feet) 72 inch 6 Way Ba

16、ckfill blade 4. Hydraulic reel carrier 5. 6. Digging Chain, Type I - 50,000 pound Tensile Strength Type II - 70,000 pound Tensile Strength * full offset to the right-hand side and intermediate points of the trencher. The positioning of the digging unit can be accomplished from the operatorfs seat. (

17、Other attachments shall be provided when specified.) A hydraulically movable attachment that allows trenching from centerline to Boom to dig 52 inches in depth, when Type I is required, or 70 inches in depth when Type II is required, with capability of replacing the Boom tube only, auger shall be 15

18、 inches in length out each side as a minimum. shall be equipped with a mechanical trench cleaner and a 50,000 pound digging chain for Type I trencher or a 70,000 chain for a Type II. Dual The trencher Unless otherwise specified a multi-position digging attachment, a backhoe and a six way backfill bl

19、ade shall be provided with each trencher. J. pump with infinitely variable speed control. interchangeable gear boxes. follows : Attachment drive. Modular attachments shall be driven by a hydrostatic There shall be three styles of The chain speeds for each gearbox shall be as Low O to 500 fpm Standar

20、d O to 600 fpm High O to 900 fpm K. Identification plate. An identification plate, permanently marked in accordance with MIL-STD-130, shall be securely attached to the vehicle in a readily accessible location. following information: The identification plate shall contain the NOMENCLATURE MANUFACTURE

21、RS MODEL NUMBER MANUFACTURERS SERIAL NUMBER MANUFACTURERS NAME MANUFACTURERS ADDRESS MANUFACTURERS SERVICE PHONE NUMBER DATE OF MANUFACTURE CONTRACT NUMBER NATIONAL STOCK NUMBER 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-58024 9999974 OLb4

22、470 682 A-A-58024 REGISTRATION NUMBER L. trencher as required in this Commercial Item Description. Trailer. Unless otherwise specified a trailer shall be provided for each 1. Design. The trailer shall be pneumatic tire mounted, tandem axle, flat The trailer shall have an overall bed unit with beaver

23、 tail and loading ramps. length of between 26 and 30 feet. Motor Carrier Safety Regulations applicable to the type of trailer furnished and in effect on the date of contract award. The vehicle shall comply with all Federal a. Rated Capacity. The trailer shall have a fronted mounted jack rated at not

24、 less than 30,000 pounds and have a Gross Vehicle Weight Rating of not less than 26,000 pounds and a Gross Axle Weight Rating of not less than 20,000 pounds per axle. b. Standard Vehicle and Accessories. The trailer, components, assemblies and accessories to be delivered under this contract shall be

25、 the manufacturers standard or optional items, which ever is greater and meet the requirements of this specification. 2. Height. a. Lunette. The trailer shall be fitted with a 3 inch non-swivel type lunette in accordance with MS 51336. The lunette height shall be adjustable from 22 to 32 in three in

26、ch or smaller increments. possible by two mechanics using common hand tools in 15 minutes or less. 3/8 inch safety chains with a grab hook on the free end of each, shall be provided. Height adjustments shall be Two b. Design shall permit the trailer to load and off load with a minimum of Trailer Bed

27、. The bed height shall be between 33 and 36 inches when level. two inches clearance maintained between the trencher equipped with any attachments (trailer bed level, on hard level surface). Two inches of clearance above the ground shall also be maintained during on/off loading. 3. Landing Gear. The

28、trailer shall have a front mounted jack rated at not The landing legs shall be equipped with self-leveling less than 30,000 pounds. landing gear shall withstand, without deformation, the combined static and dynamic forces due to the proportion of gross weight sustained and forces resulting from impa

29、ct during coupling and uncoupling operations. gear assembly shall be mounted to plates that are gusseted to resist forward and rearward dynamic thrust on the landing leg. When placed in the travel position, the landing gear leg shall remain positively locked. protected to prevent the entrance of for

30、eign matter which would impair its functional or mechanical efficiency. fully loaded trailer shall not exceed 100 pounds. .skid pads. Clips for holding the crank, when folded, shall be provided. The The landing The landing gear shall be The maximum cranking effort to raise the 4. Ramps. The trailer

31、shall be equipped with a full width ramp or 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-58024 = 9999974 OLb447L 919 A- A- 5 80 2 4 adjustable ramps capable of loading wheeled equipment with tire spaces as narrow as 30 inches to as wide as t

32、he width of the trailer. exceed 11 degrees. Ramp angle shall not 5. D-Rings. The trailer shall have a minimum of two D-Rings equally spaced down each side. withstanding pulls of at least 10,000 pounds in any direction without deformation. Each lashing ring and its mounting shall be capable of 6. Flo

33、or. 1 3/4 inches minimum dimensions pressure treated lumber raised not less than 1/4 inch above beam level. 7. Electrical. Lighting and wiring shall be in accordance with the applicable Federal Motor Carrier Safety Regulations. 12 volt I.C.C. standard equipment with a seven way connector receptacle

34、conforming to SAE 5560, with connectors connected and color coded as specified there in, shall be provided. Exterior lights shall be bulb replaceable resealable type with Lexan, turtle-back lens. Tail lights shall be Lexan, factory sealed. Combination turn/clearance light(s) shall be standard. Clear

35、ance and marker lights, reflectors and license plate light shall be standard. 8. Brakes. a. Service Brakes. The brakes shall be full air, internal expanding type and shall conform to the applicable Federal Motor Carrier Safety Regulations. relay emergency valve, air reservoirs, piping, hose connecti

36、ons, and all other components required for a complete air brake system. The braking system shall include standard breakaway features, b. Parking brakes. The trailer shall be equipped with spring or air The parking brakes shall hold diaphragm mechanical lock type parking brakes. the trailer, with rat

37、ed pay load, on a 10 percent incline up or down despite the depletion of the compressed air supply, with no additional application. parking brake shall be automatically applied upon disconnection of the emergency air line and under emergency conditions. the applicable Federal Motor Carrier Safety Re

38、gulations. The The parking brakes shall conform to 9. Tires. Tires shall be pneumatic, tubeless type, highway tread (7.5016). Tires shall be steel belted radial type. rated capacity at least equal to the load imposed on each tire, measured at each wheel at the ground, with the trailer loaded with th

39、e rated payload. The tires shall have a 10. Trailer Data Plate. A trailer data plate, permanently marked in accordance with MIL-STD-130, shall be securely attached to the vehicle in a readily accessible location. The data plate shall contain, as a minimum, the same information as the identification

40、plate listed above. 11. Finish. All steel components shall be treated to retard rust and painted using the manufacturers standard paint and color. M. The vehicle furnished must be the latest model as of the date of award 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without

41、license from IHS-,-,-A-A-58024 9999974 01ib4472 855 A-A- 5 80 2 4 (with minor modifications, as that term is defined in DoD FAR Supplement 252.211-7012, Paragraph K-85 of the solicitation) of an established product previously produced and sold in substantial commercial quantities (exceeding the crit

42、eria at FAR 15.804-39(f) (2) (ii) (A) for at least three years immediately preceding the issuance date of the solicitation. furnished, or earlier models of it, absent minor modifications, shall have routinely been supported with spare/repair parts which were produced or sold in the normal course of

43、business. At the time of delivery, the contractor shall furnish the Administrative Contracting Officer with verification of compliance with these requirements. The vehicle NOTE TO OFFERORS: following information on the vehicle (or its earlier models) being offered as a comercial item: Offerors shall

44、 provide, a3 part of their proposals, the (i) Total sales to the U.S. Government or to contractors for U.S. Government use during the three years immediately preceding the issuance date of the solicitation. (2) Total sales of the item to the general public during the three years immediately precedin

45、g the issuance date of the solicitation. (3) Length of time the item has been sold in the commercial market place. (4) Points of contact and phone numbers of customers to which the item has been sold in the commercial market place. (5) Other pertinent information necessary to determine that the item

46、 is an established commercial item. Contractor certification. offered meets the salient characteristics of this description and conforms to the producers own drawings, specifications, standards, and quality assurance practices. The Government reserves the right to require proof of such conformance p

47、rior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. The contractor shall certify that the product Regulatory requirements. Recovered materials. The offeror/contractor is encouraged to use recovered materials in accordance with Public Law 94-58

48、0, as amended, and as implemented by Federal Acquisition Regulation Subpart 23.4 to the maximum extent practical. Preservation, packaging, packing, labeling, and marking. Unless otherwise specified, preservation, packaging, and packing shall be to a degree of protection to preclude damage to contain

49、ers and/or contents thereof under normal shipping conditions, handling, etc., involving shipment from the supply source.to the receiving activity, plus reshipment from receiving activity, and shall conform to applicable carriers rules and regulations. Intermediate and 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 5 0 2 4 exterior package quantities, labeling, and marking shall be as specified in