1、.I MIL-S-464F(MEj ANENDMENT 2 SUPERSEDING AMENDMENT 1 15 July 1986 1 May 1987 MILITARY SPECIFICATION SPREADER, AGGREGATE, TOWED-TYPE, TRACTION-POWERED This amendment forms a part of MIL-S-464F(EiE), dated 17 July 1985, and is approved for use within the USA Belvoir Research, Development, aiid Engine
2、ering Center, Department of the Army and is available for use by all Departments and Agencies of the Department of Defense. PAGE 2 2.1.1, under SPECIFICATIONS, MILITARY add: “MIL-A-842 1 - Air Transportability Requirements, General Specif kat ion For. I PAGE 3 2.2, add the following: “ASSOCIATION OF
3、 AMERICAN RAILROADS (AAR) Rules Governing the Loading of Department of Defense Materiel on Open Top Cars, Section 6. (Application for copies should be addressed to the Association of American Railroads, 50 F Street, Washington, DC 20001.)“ PAGE 4 * 3.1, line 4, at end of paragraph add: “The spreader
4、 must intreface with the following series of 5 ton dump trucks: M51A2, M817, M929 and M930 Dumps (see 6.5.) PAGE 7 * 3.11, line 7, at end of paragraph add: “All tire and wheel assemblies shall be in conformance to the Tire and Rim Association Year Book.“ AMSC N/A . FSC 3895 DISTKIBUTION STATEmNT A.
5、Approved for public release; distribution is unlimited. 1 of 4 Licensed by Information Handling ServicesMIL-S-464F(ME) WNDMENT 2 3.12, line 6, after “any component.“ add the following sentence: “It shall also permit loading and transport in C-130 and C-141 aircraft, without requiring shoring and mee
6、t the requirements of MIL-A-8421.“ * 3.12.1, line 1, add “All tire and wheel assemblies shall be in conformance to the Tire and Rim Association Year Book.“ PAGE 8 * 3.12.3, delete in its entirety and substitute: “3.12.3 Tires and wheels. Tires shall be size LT 235/85R-16, load range E. “he recommend
7、ed tire pressure shall be stenciled near each tire in 1 inch high letters.“ 3.12.4, delete in its entirety. PAGE 9 - 3.17, lines 3 and 4, delete “Tiedown provisions . . class 2 or 3 provisions.“, and substitute: MIL-A-8421 for restraint criteria and MIL-STD-209, for type II equipment, class 2 or 3 p
8、rovisions.“ “Tiedown provisions shall meet the requirements specified in PAGE 12 After 3.28.1, add: “3.29 Rail transport. Spreader and all attached equipment in rail transport configuration milst be able to withstand transport by rail without damage,“ PAGE 14 * 4.5.1, item 118, delete “3.12.4“. PAGE
9、 16 4.5.2i7.1, delete in its entirety and substitute: * “4.5.2.7.1 Test procedure. With the spreader anchored by means other than the attachment being tested, apply the proportion of the static loads as specified in MIL-STD-209, for type II equipment, class 2 or 3 provisions to each attachment. MIL-
10、A-8421 shall be used for the equipment restraint portion of this test.“ * 4*5.2.7.1.1, line 2, after “class 2 or 3 provisions“ add “and MIL-A-8421 for equipment restraint.“ After 4.5.2.7.1.1, add: 2 Licensed by Information Handling ServicesMIL-S-46LIF (2) 38 W 999990b 0208546 MIL-S-464F(ME) AMENDMEN
11、T 2 I- * “4.5.2.8 Rail impact test. Unless otherwise specified (see 6.21, spreader and all attached equipment in rail transport configuration shall be tested as speci- fied in the following test procedure. Step 1. following conditions shall be satisfied: From one to five rail cars shall be positione
12、d on a level of track. The a. The total weight of the car(s) shall be at least 114,000 kilograms (250,000 pounds). b. C. All of the air and hand brakes on the car(s) used shall be set. d. e. The end of the buffer car to be struck must have a standard draft The couplers between cars shall be compress
13、ed to take up any slack. Any load in or on the car(s) shall be secured to prevent sliding or shifting; any movement greater than 5 cm shall be justification for retest, gear. Sfep 2. The test car shall be equipped with standard draft gears and conventional underframes. Mounting of the test item shal
14、l incorporate the standard loading and bracing method as shown in section 6 of the Association of American Railroads (AAR) “Rules Governing the Loading of Department of Defense Materiel on Open Top Cars.“ No exotic or iinucual tiedotm methods shall be used; any non-standard loading and bracing must
15、be approved by the Military Traffic Management Command Transportation Engineering Agency (MTMCTEA), ATTN: MTT-TR, P.O. Box 6276, Newport News, VA 23606-0276 prior to testing. Mount the test item on the test car. Step 3. Situate the test car between the buffer cars and the locomotive, and pull the te
16、st car at least 65 meters (200 feet) from the buffer car(s along a level section of track (a minimiiiii distance to achieve the required locomotive speeds). Step 4. Step 5. prior to impact with the buffer car(s). timing (microswitches) and radar. permissible but not recommended because of the inaccu
17、racies involved. Position the knuckles of the buffer and test cars for coupling. Install a timing device to measure the test car speed (+.l km/hr) just - Suggested methods inclde electronic The use of torpedoes and a stopwatch is Step 6. Push the test car toward the buffer car(s) and, by using the l
18、ocomotives speedometer or other means, release the test car when the desired test speed is reached (see step 71, thus allowing the test car to freely impact the buffer car(s). SFep 7. times at the same end, once each at speeds of 6.4, 9.7 and 13.0 km/ir (4, 6, and 8 mph) +0.8, -0.0 km/hr. Reverse th
19、e test car and repeat the 13.0 krn/hr impact, for a total of 4 impacts. Repeat step 6 until the test car(s) has impacted the buffer car three 3 Licensed by Information Handling ServicesMIL-S-464F(ME) . AMENDMENT 2 b 7 NOTE. bracing or items of securement is not allowed without a complete retest. Adj
20、ustment of the lading or securing mechanisms, or reconditioning of the Failure of the tiedowns or inability of the spreader to operate shall constitute failure of this test.“ PAGE 18 6.2, add: “k. When a rail impact test is not required (see 4.5.2.81.“ * 6.5, line 3, add: “The contracting officer sh
21、ould provide interface dimensions for the M51A2, M817, M929 and M930 dump (see 3.1). The margins of this amendment are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous. amendment were made. assumes no liability whatsoever for any
22、inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous amendment. This was done as a convenience only and the Government Custodian: Army - ME Navy - YD . Review activities: Army - AT DLA - CS 4 Preparing activity: 1 Army - ME Project 3895-A242 Licensed by Information Handling Services
