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    AIR FORCE MIL-PRF-83830 B-2009 TRUCK FORKLIFT ROUGH TERRAIN DIESEL ENGINE DRIVEN 25 000 POUND CAPACITY AT A 48 INCH LOAD CENTER《在48英寸的负荷中心处的额定负荷为25000磅的柴油机驱动型恶劣地形条件用铲车》.pdf

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    AIR FORCE MIL-PRF-83830 B-2009 TRUCK FORKLIFT ROUGH TERRAIN DIESEL ENGINE DRIVEN 25 000 POUND CAPACITY AT A 48 INCH LOAD CENTER《在48英寸的负荷中心处的额定负荷为25000磅的柴油机驱动型恶劣地形条件用铲车》.pdf

    1、AMSC N/A FSC 3930 Comments, suggestions, or questions on this document should be addressed to WR-ALC 542 CSW/CBSG, 295 Byron Street, Robins AFB, GA 31098-1611. Since contact information can change, you may want to verity the currency of this address information using the ASSIST Online database at ht

    2、tp:/assist.daps.dla.mil.MIL-PRF-83830B 23 JUN 209 SPERSEDING MIL-PRF-83830A 20 July 204 PERFORMANCE SPECIFICATION TRUCK, FORKLIFT, ROUGH TERRAIN, DIESEL ENGINE DRIVEN, 25,000 POUND CAPACITY AT A 48 INCH LOAD CENTER This specification is approved for use by the Department of the Air Force and is avai

    3、lable for use by all Departments and Agencies of the Department of Defense. 1. SCOPE. 1.1 Scope. This specification describes a 25,000 pound, diesel engine driven, rough terrain, four wheel drive pneumatic tired forklift truck (hereinafter called the truck) with two/four wheel steer (rigid frame) or

    4、 articulated frame steering. 2. APPLICABLE DOCUMENTS. 2.1 General. The documents listed in this section are specified in section 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as exampl

    5、es. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 or this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standar

    6、ds and handbooks. The following specifications, standards and handbooks form a part of this document to the extent specified herein. Unless otherwise specified (see 6.2), the issues of these documents are those cited in the solicitation or contract. INCH-POUND Provided by IHSNot for ResaleNo reprodu

    7、ction or networking permitted without license from IHS-,-,-MIL-PRF-83830B 2FEDERAL STANDARDS FED-STD-595/24052 Forest Green FED-STD-595/30313 No Gloss Tan COMMERCIAL ITEM DESCRIPTIONS A-A-52557 - Fuel Oil, Diesel; For Posts, Camps and Stations. A-A-59295 - Corrosion Preventative Compounds, Cold Appl

    8、ication. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-83282 - Hydraulic Fluid, Fire Resistant, Synthetic Hydrocarbon Base MIL-DTL-83133 - Turbine Fuels, Aviation, Kerosene Types, NATO F-34 (JP-8), NATO F-35, and JP-8+100 (NATO F-37) DEPARTMENT OF DEFENSE STANDARDS MIL-STD-209 - Slinging and Tiedown

    9、Provisions for Lifting and Tying Down Military Equipment MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment DEPARTMENT OF DEFENSE HANDBOOK MIL-HDBK-1791 - Designing for Internal Aircraft Delivery in Fixed Wing Aircraft (Copies of De

    10、partment of Defense and Federal documents are available online at http:/assist.daps.dla.mil/quicksearch/ or http:/assist.daps.dla.mil or from Standardizations Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.3 Non-Government publications. The following documents

    11、 form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME) AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI/ITSDF B56.1 Safety Standard for L

    12、ow Lift and High Lift Trucks ANSI/ITSDF B56.6 Safety Standard for Rough Terrain Forklift Trucks ASME Boiler/Pressure Vessel Code Section IX - Qualification Standard for Welding/Brazing Procedures, Welders, Brazers, entry to the operators seat and access to all fluid level check points. 3.8 Structure

    13、. 3.8.1 Chassis and frame. The frame and related structure shall be capable of withstanding 300 percent of rated load without permanent deformation, evidence of cracks, or structural failure of the frame, body assembly, and all connecting parts. Frame members, bracing, and all their joints shall pro

    14、vide a rigid unit structure. The frame and related structure shall not crack, deform, or fail under the testing specified in Section 4 of this document. 3.8.2 Fork lifting overload. The fork lifting mechanism shall be capable of withstanding 125 percent of rated load and cycled through the extreme r

    15、anges of motion 50 times. Any permanent deformation, over-heating, malfunctions, leakage, binding, jerking, uneven operation, wearing, galling or gouging shall be cause for rejection. 3.8.3 Operators overhead guard. An overhead guard shall be furnished. The overhead guard shall meet all of the requi

    16、rements of ANSI/ITSDF B56.6 including falling object protective structure (FOPS) and inside clearances. 3.8.4 Welding. All welds shall be smooth, continuous, with complete heat penetration and shall transmit stress without permanent deformation or failure when the truck is subjected to normal servic

    17、e and the testing in section 4 of this specification. The contractors welders, welding operators and welding procedures shall be qualified to meet the welding requirements of the AWS B2.1/B2.1M or ASME Boiler/Pressure Vessel Code Section IX. 3.9 Rated load. The rated load shall be a 25,000 (+100, -0

    18、) pound cube, 96 inches on each side with a center of gravity located at the geometric center of the cube. 3.10 Engine. The truck shall be powered with a standard commercial diesel engine. Horsepower and torque characteristics shall be sufficient to provide the performance specified herein. Engine t

    19、orque and horsepower shall be provided at an RPM which will assure performance with an adequate margin of safety. Emergency manual shutdown provisions shall be furnished when recommended by the engine manufacturer. The diesel engine shall operate on diesel fuel in accordance with A-A-52557. Either t

    20、he engine or forklift manufacturer shall certify that the engine is capable of operating on JP-8 and JP-8/SPK conforming to MIL-DTL-83133 for 400 hours, during normal commercial or military situations, without detrimental effect on the engine. Some power loss is expected, but the forklift shall be a

    21、ble to perform normal operations. A certification letter should be included in the first article test report. An example of a previous certification letter is shown in Figure 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-83830B 73.11 Fue

    22、l tank. The capacity of the fuel tank shall be adequate to allow at least 10 hours of continuous operation as defined in section 4. If the fluid level of the tank is above the engine, the tank shall be provided with a hand-operated fuel shutoff valve attached directly to the tank. The fuel tank cap

    23、shall be approved DS cap. A data plate shall be furnished near the fill pipe marked “Diesel Fuel“ in not less than 1-inch high letters. The tank filler neck shall be designed to operate with an OPW (www.opw-) fuel nozzle model 295AF. The dimensions for the OPW 295AF are available on their web site.

    24、3.12 Engine exhaust. The exhaust system shall incorporate a muffler, and shall terminate at a location clear of the operators station. A means shall be furnished to prevent rain water intrusion into the exhaust system. Muffler and exhaust piping shall conform to the requirements of UL 558. 3.13 Tran

    25、smission. The transmission shall be the full torque, power-shift type in combination with a torque converter. The transmission shall provide at least two forward and two reverse speeds. Selective forward and reverse directional controls activated by the operators foot are not acceptable. The transmi

    26、ssion shall provide for positive inching or declutch control throughout the entire engine rpm range, in both forward and reverse directions. The inching or declutch control shall permit lifting of rated load, at maximum engine speed, while the transmission is in a forward or reverse gear, with no ve

    27、hicle motion. When specified (see 6.2) a transmission oil cooler shall be furnished. 3.14 Steering. The steering system shall provide positive hydraulic power steering control of the truck at all speeds and during all operations. For rigid frame trucks, the system shall provide the operator the opti

    28、on of two-wheel, four-wheel, and crab steer. Articulated frame trucks shall provide articulated frame steer. In the event of a power failure, the forklift shall be equipped with an emergency power steering mechanism. This supplemental power steering mechanism shall allow the vehicle to be controlled

    29、 while moving. 3.15 Hydraulic system. The hydraulic system shall consist of all hydraulic components necessary for operation of the forklift, including a filter. All hydraulic hoses shall have a working pressure equal to or greater than the hydraulic system maximum relief valve setting. The hydrauli

    30、c fluid fill point shall be properly labeled. The hydraulic fluid shall comply with the requirements of MIL-PRF-83282. 3.15.1 External leakage. During all testing, the degree of external hydraulic system leakage shall not exceed a Class 3 for dust free conditions and a Class 3 D for dusty conditions

    31、 of SAE J1176. External hydraulic system leakage shall not exceed a Class 3 for production trucks under normal operation. 3.15.2 Hydraulic reservoir. The hydraulic reservoir filler shall be of sufficient inside diameter to accept a filler tube of at least 1.56 inches outside diameter. Provided by IH

    32、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-83830B 83.15.3 Fail-safe hydraulic lift system. The truck shall be equipped with a fail-safe hydraulic lift system which will automatically prevent load lowering and fork forward tilting in the event of elect

    33、rical, hydraulic or pneumatic failure; hydraulic or pneumatic failure includes any component, line or hose. Check valves have been used in the past to prevent load lowering. Pressure relief valves or regulators shall be provided in the hydraulic and pneumatic systems to prevent overpressure. In addi

    34、tion, a means shall be provided to manually override the system to allow safe and slow lowering (not more than 10 feet per minute) of loaded or unloaded forks. 3.15.4 Hydraulic schematic. The hydraulic schematic shall be provided on a durable material and should be stored in the cab. For example: A

    35、book with hard plastic pages (tear resistant off, on and start. The ignition switch shall not activate the engine starter while the engine is running, nor when the engine is not running and the transmission is in any forward or reverse gear. 3.17.4 Alternator. The alternator shall have sufficient ou

    36、tput at normal engine operating RPM to supply full electrical operating load, including all lights, and still provide electrical current to charge the battery. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-83830B 93.17.5 Wiring schematic. T

    37、he wiring schematic shall be provided on a durable material and should be stored in the cab. For example: A book with hard plastic pages (tear resistant however, it shall be capable of being driven on and off the aircraft. Each axle shall weigh not more than 13,000 pounds with at least 1/4 tank of f

    38、uel. To meet the air transportability requirements, refer to MIL-HDBK-1791 as a guide only. The manufacturer shall preload the finished forklift in a C-130 to verify the fit and tiedown procedures. 3.32 Electromagnetic interference (EMI). The truck shall comply with the EMI requirements shown in tab

    39、le I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-83830B 14TABLE I. Electromagnetic interference (EMI) Name Description Parameters MIL-STD-464 Compatibility N/A RE-102 Emissions (Frequency Range: 2 MHz to 18 GHz) RS-103 Susceptibility (Fr

    40、equency Range: 30 MHz to 18 GHz) 10 V/m (30 MHz to 200 MHz) 50 V/m (above 1 GHz) 3.33 Uprights and Carriage. Uprights, when furnished, shall be of the telescopic, roller type. Rollers shall be of the permanently lubricated for life type or equipped with lubrication fittings. The drive tires shall no

    41、t interfere with the uprights or the carriage assembly travel at any upright tilt angle. The lift cylinder shall be mounted and positioned so that it does not protrude forward of the plan outline of the uprights. Uprights and carriage assembly shall be removable from the truck without requiring perm

    42、anent modification (such as cutting or welding) to the truck. Cross members of the mast structure, when in a lowered position, shall not interfere with the operators horizontal or downward line of sight to the front of the truck. The collapsed mast height with no load on forks, measured from the gro

    43、und to the top of the uprights, in a vertical position, shall not exceed 102 inches. Positive means shall be provided to prevent over travel of the carriage or channel in both upper and lower positions. 3.33.1. Load backrest. A metal backrest starting not more than 6 inches above and extending at le

    44、ast 72 inches above the horizontal load carrying surfaces of the forks shall be provided. Load securing rings or eyes shall be provided on both left and right sides of the backrest and located 18 to 24 inches above the horizontal load carrying surfaces of the forks. The load securing device, when no

    45、t in use, shall not extend forward of any surface on front face of backrest. Ring or eye opening shall be determined using MIL-STD-209. Safety factor for these load-securing devices shall be not less than 3 to 1 based on yield strength, when a forward horizontal load of 25,000 pounds is applied. The

    46、 load shall be divided equally between all load-securing devices. 3.34 Towing device. A rear mounted drawbar pin shall be provided. The drawbar pin shall be located on the vertical centerline of the truck not less than 22 inches nor more than 30 inches above ground level. The pin shall be capable of

    47、 accepting a round lunette with an inside diameter of 3.00 inches, and an outside diameter of 6.25 inches. The lunette shall have a circular cross section of 1.62 inch diameter. The drawbar pin mounting shall be of sufficient strength to withstand, without permanent deformation or damage, a drawbar

    48、pull of at least 3 times the maximum drawbar pull of the truck. 3.35 Performance. 3.35.1 Slope ascension. The truck shall be able to perform the following requirements on both dry concrete and a dry dirt surface. Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr

    49、om IHS-,-,-MIL-PRF-83830B 153.35.1.1 Longitudinal slope. The truck, with rated load, shall be capable of ascending and descending a 20 % slope (11.3) at a minimum of 2 mph when the load is in the uphill direction during both ascent and decent. It shall also be capable of accelerating upslope from a complete stop to at least 2 mph on a 20 % slope (11.3). 3.35.1.2 Lateral


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