1、MIL-S-5298b 38 W 77777Ob 022Lb7L L W O MIL-S-52986 (ME) 30 December 1980 / MILITARY SPECIFICATION SCRAPER, ELEVATING, SELF-PROPELLED, 9. CUBIC YARD MINIMUM HEAPED CAPACITY, SECTIONALIZED ANI) NON-SECTIONALIZED This specification is approved for use by the Mobility Equipment Research and Development
2、Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. 1, SCOPE 1.1 Scope. This specification covers air transportable, air-droppable, helicopter transportable, diesel-engine-driven, elevating scrapers. 1.2 Classification, The scrapers
3、 shall be of the following types, as specified (see 6.2): 5pe I - Non-sectionalized (Air Transportable and Air-droppable). Type II - Sectionalized (Air Transportable, Air-droppable, and Helicopter Transportable). 2. APPLICABLE DOCUMENTS 2.1 Issues of documents. The following documents of the issue i
4、n effect on date of invitation for bids or request for proposal form a part of this specification to the extent specified herein: SPECIFICATIONS MILITARY MIL-P-5 14 - Plates, Identification, Instruction MIL-L-2104 - Lubricating Oil, Internal Combustion. MIL-L-2105 MIL-T-335 1 - Tractor, Full-Tracked
5、, Low Speed; Tractor, and Marking, Blank. - Lubricating Oil, Gear, Multipurpose. Wheeled, Agricultural; and Tractor, Wheeled, Industrial; and Their Attachments, Packaging .I of. FSC 3805 Beneficial commnts (recommendations, additions, deletions) and any pertinent data which may be of use in improvin
6、g this document should be addressed to: US Army Mobility Equipment Research and Development Command, ATTN: DRDME-DS, Fort Belvoir, VA 22060 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by Provided by IHSNot for Resa
7、leNo reproduction or networking permitted without license from IHS-,-,-MIL-S-CZ9b 38 W 4499906 0223692 3 W MIL-S-5 29 8 6 (ME MIL-M-7 866 MIL-G- 109 24 MIL-G-23827 MIL-A-46153 MIL-L-46167 MIL-E-5 2 7 98 MIL-D-5 298 7 STANDARDS MILITARY MIL-STD-129 MIL-STD-209 MIL-STD-669 MIL-STD-814 ML-STD-1188 MIL-
8、STD-1410 - Molybdenum Disulfide, Technical, Lubrication . Grade. - Grease, Automotive and Artillery. - Grease, Aircraft and Instrument, Gear and - Antifreeze, Ethylene Glycol, Inhibited, Heavy - Lubricating Oil, Internal Combustion Engine, - Enamel, Alkyd, Camouflage. - Distributor, Water, Self-Prop
9、elled, Minimum 2500 Gallon, Sectionalized and Non-Section- alized . Actuator Screw. Duty, Single Package, Arctic. - Marking for Shipment and Storage. - Slinging Eyes and Attachments for Lifting and Tying Down Military Equip- ment. .- Loading Environment and Related Require- ments for Platform Rigged
10、 Airdrop Materiel. Extraction Provisions on Military Materiel for Airdrop. - Commercial Packaging of Supplies and Equip- ment. - Methods for Selection of Industrial Engines for End Item Application, - Requirements for Tiedown, Suspension and MILITARY HANDBOOK AIR FORCE SYSTEM COMMAND Design Handbook
11、 DH1-11 - Air Transportability. (Copies of speciications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documents form a part of this specifi- U
12、nless otherwise indicated, the issue in cation to the extent specified herein. effect on date of invitation for bids or requests for proposal shall apply. SOCIETY OF AUTOMOTIVE ENGINEERS (SAE) SAE HANDBOOK (Application for copies should be addressed to the Society of Automotive Engineers, 400 Common
13、wealth Drive, Warrendale, PA 15096.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TECHNICAL INFORMATION PACKAGE (TIP) (Application for copies should be addressed to US Army Mobility Equipment Research and Development Command, ATTN: DRDME-HK, For
14、t Belvoir, VA 22060.) 3. REQUIREMENTS 3.1 General. The scraper shall be the latest model of the standard product of the contractor and shall have demonstrated industry acceptability by having been manufactured, marketed, and sold in significant numbers to the commercial public for the same or simila
15、r application, interfacing with the same or similar components, except as specified herein, for at least 1 year prior to invitation for bids or request for proposal. Product improvements incorporated in the commercial production units in this 1 year period are acceptable. In the case of a recently i
16、ntroduced item, the contractor shall submit sufficient valid industrial operation/test data including all test reports for the item and its components, such as engine, transmission and hydraulic system, field user reports, including any failures or problem areas, and corrective action taken to demon
17、strate acceptability of the item. stated herein, all items listed as standard equipment in the contractors published specification brochures and catalogs, or normally furnished to commercial customers as standard equipment, shall be furnished. shall be equipped with any optional equipment necessary
18、to comply with require- ments specified herein. with the scraper but which has been furnished to the commercial customer, such as special features or allied equipment. components necessary to enable the scraper to function reliably and efficiently in sustained operation. regulations governing safety
19、, noise levels, and pollution, which are in effect on the date of invitation for bids or request for proposal. shall be interchangeable with the tractor section of the water distributor con- forming to MIL-D-52987. user level without cutting or welding. When specified requirements are not The scrape
20、r Optional equipment is defined as equipment not standard The scraper shall be equipped with all The scraper shall conform to all Federal laws and The tractor section The interchangeability shall be accomplished at the 3.2 Description. diesel engine , pneumatic tires, two axles, articulated steering
21、, two single driving front wheels, and two single non-driving rear wheels. have a minimum heaped capacity of 9 cubic yards, and shall be equipped with power shift transmission. The scraper shall be a commercial elevating model, with The scraper shall 3.2.1 Type I. The type I scraper with ROPS/FOPS r
22、emoved shall be capable of being loaded and rigged on an air delivery platform in accordance with MIL-STD-669, air transported and air delivered by parachutes. 3.2.2 Type II. The type II scraper with ROPS/FOPS removed shall meet the requirements specified for type I (see 3.2.1) and shall also be cap
23、able of being sectionalized into 2 sections for external air transport by helicopter. alization material may be removed for airdrop Section- 3.3 First artic.le (preproduction models). The contractor shall furnish two scrapers of each type for examination and demonstration within the time frame speci
24、fied (see 6=2), to prove prior to starting production that his production methods and choice of design detail will produce scrapers that comply with the requirements of this specification. The examiation and demonstrations shall be 3 Provided by IHSNot for ResaleNo reproduction or networking permitt
25、ed without license from IHS-,-,-as specified in Section 4. and demonstration by the contractor, the Government shall perform a simulated airdrop demonstration on one of each type scraper at a site selected by the Government. shall be subject to surveillance and approval by the Government. the prepro
26、duction model6 will be dependent on successful completion of the examination, contractor demonstrations, and the Government conducted simulated airdrop demonstration. Following successful completion of the examination The examination and all demonstrations conducted by the contractor Acceptance of 3
27、.4 Production scrapers. All scrapers of the same type furnished under this specification shall be physically and mechanically identical to the first article scraper approved by the Government . 3.5 Material. Material not specified herein shall be selected by the contractor and shall be subject to al
28、l provisions of this specification (see 6.4) 3.6 Safetx. All available standard or optional accessories shall be included to provide protection for maintenance and operating personnel from rotating or reciprocating parts and from all parts subject to high operational temperatures and so located as t
29、o be a hazard, not: endanger personnel. All platforms and steps shall have anti-skid surfaces. The starting system shall be such that the transmission must be placed in neutral before the engine can be started or the transmission must be placed in neutral before the scraper can be set into motion. C
30、ontractors standard grab irons shall be provided. area of the articulation point, warning of limited personnel clearance during frame articulation and placement of safety pin or bar for the scraper operating and transport modes, Exhaust discharges shall be directed so as to A decal shall be furnishe
31、d and shall be located in the 3.6.1 Sound level. The exterior sound level of the scraper shall not exceed 88 dB(A) when measured in accordance with SAE 588. area occupied by the operator exceeds 85 dB(A) when measured in accordance with ME J919, a warning plate containing the following shall be perm
32、anently affixed to the scraper in a conspicuous protected location. If the sound level in the “WARNING, EAR PROTECTION REQUIRED WHEN OPERATING THIS SCRAPER“ The plate shall have a yellow background with black lettering and shall be on corrosion-resistance material. 3.6.2 Rollover protective structur
33、e (ROPS) and falling objects protective structure (FOPS). ROPS/FOPS canopy. or welding. respectively. A aeat belt conforming to CAE 5386 shall be properly installed for use by the operator. Quick disconnect fittings (electric, etc.) shall be provided as applicable to facilitate canopy removal. A sli
34、ng eye(s) shall be provided to facilitate removal of ROPS/FOPS. The scraper shall be equipped with a removable bolted down The canopy shall be removable and replaceable without cutting The ROPS/FOPS shall conform to SAE 51040 and SAE 5231 Provided by IHSNot for ResaleNo reproduction or networking pe
35、rmitted without license from IHS-,-,-a a a MIL-S-52986( ME) 3.7 Physical characteristics. 3.7.1 Weight limit. The basic weight of the scrapers, type I and type II, shall not exceed 30,600 pounds. ROPS/FOPS removed without any special i tems required for sectionalization, but with all other accessori
36、es, and with coolant, lubricating and hydraulic systems filled to capacity, and with not less than 25 percent nor more than 75 percent fuel. more than 16,000 pounds per section. Basic weight shall be determined with the The type II scraper when sectionalized into 2 sections shall weigh not 3.7.2 Dim
37、ensions. The overall width of the scraper shall not exceed 98 inches, except that the width may be increased to not more than 105 inches to accomodate special airbornelairmobile provisions. The overall length shall not exceed 396 inches. In order to conform to a height limit of 100 inches when rigge
38、d for airdrop, the reducible height of the scraper should be not more than 91 inchesr required to obtain the reduced height. contractor must demonstrate prior to step I proposal opening date that his scraper can be rigged so as to conform to the 100 inch limit, and withstand the forces encountered i
39、n the simulated airdrop impact test (see 4.5.2,11) without damage or permanent deformation. No major component removal except ROPS/FOPS canopy, shall be If the height exceeds 91 inches, the 3.8 Sectionalization. The type II scraper less ROPS/FOPS, shall be capable The weight of being sectionalized i
40、nto two sections for helicopter transport. of either section shall not exceed 16,000 pounds. driveable and steerable under its own power for a distance of 50 feet over relatively flat unimproved areas. scraper under field conditions without assistance of other powered equipment shall not exceed 4 ho
41、urs. and accessories used in sectionalization and reassembly shall be stored on the scraper or in a demountable container attached to the scraper but shall not interfere with the operation of the scraper. The powered section shall be Reassembly time with tools furnished with the Cutting and welding
42、are not permitted. Components 3.9 Performance. The scraper shall withstand the usage encountered in military operations such as: crossing rough terrain, fording streams, and negotiating steep longitudinal and sidehill slopes, without damage. maximum travel speed in transport, being towed by another
43、vehicle, and limited towing of other equipment. undistributed or recompacted soil to heaped capacity in less than one minute. self-loading, hauling, dumping and spreading soil, The scraper shall be capable of driving at The scraper shall be capable of self-loading 3.9.1 Environmental conditions. Wit
44、hout the use of any external means, equipped with only standardloptional equipment, the engine shall start within five (5) minutes and the scraper shall operate under full-load conditions within fifteen (15) minutes after engine start in any ambient temperature from minus 25” F to plus 120” F. aids
45、may be used which rely upon external support such as an electrical power source, of operating in hot humid tropical environments and dry dusty environments. Cold start aids must be intergal with the scraper and no Hand-held aerosol cans are not permitted. The scraper shall be capable 3.9.2 Travel sp
46、eedr The scraper with heaped load shall be capable of a forward travel speed of not less than 20 mph on level pavement. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.9.3 Stability. The scraper shall negotiate 35 percent side slopes empty, 20 pe
47、rcent side slopes loaded, and descend 40 percent longitudinal slopes loaded without any wheel of the scraper losing contact with the ground. requiring lubrication shall be lubricated when the scraper is operating under the se conditions, All parts 3.9.4 Fording. The scraper shall start and operate d
48、uring and after fording operations in fresh water to any depth up to 20 inches including wave action without damage and without leakage of water into reservoirs containing lubricants. 3.10 Engine. The diesel engine shall meet the requirements of MIL-STD-1410 for application in a class II end item. f
49、urnished commercially including all systems, components, accessories, and auxiliaries. shall be equipped with a rain cap or shall be fabricated and mounted to prevent the entry of rain or snow. The engine shall be the engine The engine shall be equipped with a muffler. The exhaust stack 3.10.1 Engine horsepower. The applied net horsepower of the engine at the flywheel when measured in accordance with SAE 5816 shall be not less than 150 horsepower. 3.P0.2 Engine cooling system. The
