1、* MIL-S-LthLtF 38 = 7777906 0208548 8 MIL-S-464F(ME) 17 July 1985 SUPERSEDING MIL-S-464E( ME) 6 December 1978 MILITARY SPECIFICATION SPREADER, AGGREGATE, TOWED-TYPE TRACTION-POWERED This specification is approved for use by the USA Belvoir Research and Development Center, Department of the Army, and
2、 is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of towed, traction-powered, aggregate spreader. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified
3、(see 6.21, the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DODISS) specified in the solicitation, form a part of this specification to the extent specified herein. SPECIFICATION FEDERAL QQ-S- 781 PPP-B-6
4、01 PPP-P-40 - Strapping, Steel, and Seals. - Boxes, Wood, Cleated-Plywood. - Packaging and Packing of Hand Tools. MILITARY MIL-P-116 - Preservation, Methods of. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be
5、 addressed to: USA Belvoir Research and Development Center, ATTN: STRBE-DS, Fort Belvoir, VA 22060-5606 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 3895 DISTRIBUTION STATEMENT A. Approved for public
6、release; distribution is unlimited. THIS DOCUMENT CONTAINS 2 I PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-P-514 MIL-T-704 MIL-F-3541 MIL-G-3859 MIL-W-5 044 MIL-W-5050 MIL-G-10924 MIL-C-46168 STANDARDS FEDERAL FED-STD -H2 8 MILITARY DOD
7、-STD-100 MIL-STD-105 MIL-STD-129 MIL-STD-130 MIL-STD-209 MIL-STD-838 MIL-STD-889 MIL-STD- 147 2 MS 3 5 3 8 7 MS 5 1 3 36 HANDBOOKS MILITARY MIL-HDBK-113 - Plates, Identification, Instruction and - Treatment and Painting of Materiel. - Fittings, Lubrication; - Grease Guns, Hand, High Pressure, Lever
8、Operated (15 and 21 Ounce Capacity). - Walking Compound, Nonslip, and Walking Matting, Nonslip. - Walking Coating and Matting, Nonslip, Application of. - Grease, Automotive and Artillery. - Coating, Aliphatic Polyurethane, Chemical Marking, Blank. Agent Resistant. - Screw Thread Standards for Federa
9、l Services. - Engineering Drawing Practices. - Sampling Procedures and Tables for - Marking for Shipment and Storage. - Identification Marking of US Military Property . - Slinging Eyes and Attachments or Lifting and Tying Down Military Equipment. - Lubrication of Military Equipment. - Dissimilar Met
10、als. - Human Engineering Criteria for Military - Reflector, Indicating, Clearance. - Lunette-Coupler, Drawbar, Ring. Inspection by Attributes. Systems, Equipment and Facilities. - Guide for the Selection of Lubricants, Fluids, Preservatives and Speciality Products for Use in Ground Equipment Systems
11、. 21.2 Other Government documents, and publications. The following other Government documents, and publications form a part of this specification to the extent specified herein. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-LIbLIF 38 U 9999
12、90b 0208550 b H DEPARTMENT OF TRANSPORTATION (DOT) Federal Motor Carrier Safety Regulations (FMCSR). Federal Motor Vehicle Safety Standards (FMVSS). (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) (Copies of specifica
13、tions, standards, and drawings required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following document(s) form a part of this specification to the extent spec
14、ified herein. The issues of the documents which are indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice for Comercial Packaging. (Application for copies should
15、 be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) AMERICAN WELDING SOCIETY (AWS) B2.1 - Standard for Welding Procedures and Performance Qualifications. (Application for copies should be addressed to the American Welding Society, O Inc., 2501
16、Northwest Seventh Street, Miami, FL 33125.) SOCIETY OF AUTOMOTIVE ENGINEERS SAE J 429 - Mechanical and Material Requirements for Externally Threaded Fasteners. SAE J 492 - Rivets and Riveting. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive,
17、 Warrendale, PA 15096.) TIRE AND RIM ASSOCIATION, INC. (TRAI Tire and Rim Association Yearbook. (Application for copies should be addressed to the Tire and Rim Association, Inc., 3200 West Market Street, Akron, OH 44313.) (Industry association specifications and standards are generally available for
18、 reference from libraries. using Federal agencies. They are also distributed among technical groups and - 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-4bYF 38 U 77977Ob 0208551 8 U 2,3 Order of precedence. In the event of a conflict betwee
19、n the text of this specification and the references cited herein, the text of this specification shall take precedence . 3, REQUIREMENTS 3.1 Description, The spreader shall consist of a receiving hopper with operators platform, a feed roll with drive mechanism, an adjustable discharge gate and contr
20、ol mechanism, rubber-tired support wheels, a coupling and truck hitch, and a removable transport assembly. 3.2 First article, When specified (see 6.21, a sample shall be subjected to first article inspection (see 4.3 and 6.3). Any changes or deviations of the spreader from the approved first article
21、 during production will be subject to the approval of the contracting officer. Approval of the first article will not relieve the contractor of his obligation to furnish the spreader conforming to this specification. 3.3 Safety. All reciprocating, rotating, or moving parts of equipment shall be guar
22、ded when such parts are exposed to contact by personnel or otherwise create a hazard. All platforms, steps, and ladder rungs shall have antiskid surfaces. Spreader shall comply with all applicable FMCSR and FMVSS. 3.4 Material, Material shall be as specified herein. Materials not specified shall be
23、selected by the contractor and shall be subject to all provisions of this specification, 3.4.1 Material deterioration and control. The spreader shall be fabricated from compatible materials that are inherently corrosion resistant or treated in order to provide protection against the various forms of
24、 corrosion and deterior- ation that may be encountered in any of the applicable operation or storage environment to which the item may be exposed. 3.4.1.1 Dissimilar metals. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. metals an
25、d methods of protection are defined and detailed in MIL-STD-889. Dissimilar 3.4.1.2 Identification of materials and finishes. “he contractor shall identify the specific material, material finish or treatment for use with components and sub-components, and shall make information available, upon reque
26、st, to the contracting officer or the designated representative (see 6.2). 3.4.1.3 Recovered materials. For the purpose of this requirement, recovered materials are those materials which have been collected from solid waste and reprocessed to become a source of raw materials, as distinguished from v
27、irgin raw materials. The components, pieces and parts incorporated in the spreader may be newly fabricated from recovered materials to the maximum extent practicable, provided the spreader produced meets all other requirements of this specification. Used, rebuilt or remanufactured components, pieces
28、 and parts shall not be incorporated in the spreader. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-464F 38 m 7799706 0208552 T m -. 3.5 Interchangeability. All parts having the same manufacturers part number shall be functionally and dimen
29、sionally interchangeable. requirements of DOD-STD-100 shall govern changes in the manufacturers part number. The drawing number 3.5.1 Common parts. Common hardware and fastening devices, such as bolts, nuts, screws, and similar items, shall be held to a minimum number of types and sizes and shall be
30、 threaded to the standards of FED-STD-H28. 3.6 Human factors engineering. The requirements described in MIL-STD-1472, 5.5 (labeling), 5.7.7 (ladders), 5.4 (controls), 5.13.2 (safety labels and placards), 5.13.5.4 (edge rounding), 5.13.6.2 (handrails, safety bars and chains) shall be incorporated in
31、the design of the spreader, as applicable. The spreader shall be designed such that 5th percentile female through 95th percentile male soldiers (see MIL-STD-1472, 5.6 anthropometry) can operate and maintain this item. 3.6.1 Design for maintainability. The spreader and its associated components shall
32、 also be designed to incorporate MIL-STD-1472, 5.9 requirements, as applicable. 3.7 Performance. The spreader shall perform as specified herein when attached. specified in table I when traveling in both the forward and reverse directions. The maximum spread width shall not be less than 8 feet. in le
33、ngth shall be provided to reduce the width of spread from 8 feet to 4 feet in increments of 1 foot. in 3.8), including the truck hitch, shall interfere with the operation of the dump truck body, including the tailgate. The spreader shall uniformly distribute each type and size of material Block-off
34、plates 1 foot No part of the spreader, (with the exception specified TABLE I. Percent passing each sieve by weight. I Si eve Co A Col B designation Gravel or Crushed Stone Crushed Stone - 1 inch 100 314 inch 90-100 112 inch 20-55 0-15 85-100 I 10-30 0-10 0-5 0-5 318 inch No. 4 No. 8 No. 16 - 100 - i
35、 1 i - ! 3.8 Receiving hopper. The hopper shall have a capacity of not less than 1 cubic yard and shall receive the material from the truck without loss or spillage when the spreader is moving in forward and in reverse directions. hopper shall be constructed so that aggregate dumped into the hopper
36、from the dump truck will be fed by gravity to the feed roll and to the ground by the revolving feed roll. The During spreading operations with the truck body in a fully 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-YbLiF 38 U 3979906 020855
37、3 L m elevated dumping position, the truck body shall not interfere with hopper (where overflow belting is provided, contact by the truck body with the belting will be permitted provided no permanent deformation or damage results). one on each end of the hopper, shall be provided for manual movement
38、 of the spreader, The handles shall permit manual movement of the spreader without interference from the truck tires and shall not interfere with the truck tires during spreading operations. Two handles, 3,8,1 Operators platform. An operators platform with safety rail (see 3.6) The platform shall be
39、 the full width of the hopper and shall The shall be provided. attach to the hopper by hooks or other means to permit removal and storage. safety rail shall incorporate an opening to permit personnel to mount and dismount from the operators platform. antiskid surface which conforms with MIL-W-5044 a
40、pplied in accordance with The operators platform shall have an MIL-Wu5050 3.9 Feed roll, The spreader shall be provided with a feed.roll that extends The feed roll shall be located in the the full length of the receiving hopper. back pocket of the receiving hopper and shall be driven by the support
41、wheels through the drive mechanism. 3.9.1 Drive mechanism, A drive mechanism that synchronizes the speed of the drive with the speed of the support wheels shall be provided. provided on the feed-roll drive mechanism so that the feed roll may be set in the neutral position, set in the forward directi
42、on, or set in the reverse direction, letter height for this label shall exceed 3/8 inch in accordance with 3.6. controls may be either manual or automatic. If automatic control is used, it must be appropriately labeled if the control is manipulated by the operator, The drive mechanism shall include
43、an automatic declutching device that shall prevent the feed roll from reversing direction when the direction of spread is reversed. If the clutch is manipulated by the operator, it shall be labeled “Clutch, Engaged, Disengaged“ in 1/2-inch high letters and with a double ended arrow to show direction
44、 of movement in accordance with 3.6. the drive mechanism except the input and output shaft shall be enclosed in a dusttight housing. Controls shall be These positions shall be labeled “Feed, Neutral, Forward, Reverse“; The All moving parts of 3.10 Adjustable gate, The adjustable gate shall be constr
45、ucted of steel, shall run the bull length of the hopper, and shall be reinforced against sagging. between 15 pounds and 75 pounds per square yard. within +10 percent by weight. adjustmks or two levers which can be locked in not less than six positions, All positions shall be labeled to indicate appr
46、oximate feed rates in l/Z-inch high letters in accordance with 3.6. independent manipulation to permit regulating the gate for either uniform or tapered spreads. closed positions and identification of each opening of the gate. Required gate openings for desired application rates shall be established
47、 through trial runs. The gate shall control the-rate of discharge to produce coverage The coverage shall be uniform The gate shall be operated by two positive-screw Each control mechanism shall be capable of The spreader shall have an indicator plate showing open and 6 Provided by IHSNot for ResaleN
48、o reproduction or networking permitted without license from IHS-,-,-MIL-S-464F 38 7777706 0208554 3 W MIL-S-464F(ME) The plate shall be made from material as specified in 3.18. shall be provided to prevent spill or dribble of aggregate when the spreader is not in operation. A positive cutoff 3.11 Su
49、pport wheels. While in operation, the spreader shall be entirely supported by not less than two sets of dual pneumtic-tired wheels which shall be located to insure ease of disassembly for replacing tires. The wheels shall be arranged so that when the dump truck to which the spreader is attached is moving in reverse gear, the wheels of the spreader shall not come in contact with the road surface being constructed until it is covered with aggregate from th
