1、/-. ,. MIL-T-26193 (USAF) I - yj November 1957 . I *“ R.= The color shall be yellow conforming to FE-STD-595, aolar 13538. 3.u FINISH.- The trailer shall be finished in accordance with MIL-T-7C accuracy of dimensions, radii of fillets, and imrkine of pnrts and assenbliss; welding, brazing, painting,
2、 and rivoting; aligtiinent of parts and tightness of assembly screws and bolts; et cetera. to ensure tightness and satisfactory heading of the rivets. metal chips and other foreign ma as se rnbly . 3.15.2 1IIVETNG.- Riveting operations shall be carefully performed -3.16.3 CLEANING.- The trailer shal
3、l be thoroughly cleaned and idrenioved during and aftor finel bo QUALITY ASSURANCE *PP- When one or more trailers selected from a prouctiord run ,Cai1 to met the specification, no trailers still on hand m later produced shall be accepted until the extent and- cause of failure have been detericdned.
4、: L.2.2.2,2 INDIVIDUAL TECIS MAY C0M“INUE.- For operational reasons, individual tests may be continued pending the investigation of a sarnpl4ing test failure. or produced later shall not be made until it is determined that the trailers meet CL1 the requirements of the specification. h.2.3 DEiGCB IN
5、TFLAILERS ALREADY ACCEPTED.- The investigation of a test failure could indicate that defects inay exist ln trailers already accepted. If so, the contractor shall fully advise the pro- curing activity of all defects likely to be found and methods of correcting thew. But final acceptance of the tr.ail
6、ers on hand Le3 TEST CONDITION b.3.1 Servicing or addustment of any type shall not be permitted during preproduction testing. 4.4 TEST METHODS -4 h.!t.l EXA,NINATION OF PRODUCT.- The trailer shaU be inspected to determine compliance with the requirements specified herein with respect to weight, dimn
7、sions, workmanship, and rriarking. Particular attention shall be given to wheel alignment wid proper adjustment of the steering mechanism. 4.b.2 ROAD TEST.- The trailer shall be loaded to capacity and tared a .distance of 5 idles to determine general functioning of all components 4.4.3 STAlTC UAD !L
8、EST.- The trailer whesls and tires shall be removed and a static load of 30,O powose of this test, the wheel hubs shall th L. ., Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-26193 (USAF) 4.b.4.2 The trailer shall be towed for 100 ndles over
9、off roads at an average speed of not less than 10 mph. trailer shall accomplish a adnqmUn of -1s suriden stops from a speed of During this test, the 10 *ho k.4.5 MA“VmBIL1TX.- At minimum turning radius, the trailer shall. complete 50 full turns to the left at.a minimm speed of 8 mph when loaded with
10、 10,000 pounds evenly distributed i.n.the trailer bed area shown on figure 2, position 1. the load m-shall be greater than the wheelbase of the trailer. contact the ramp when the trailer negotiates the two breaks in the ramp. During this test, it shallbe demonstrated that the parking brake can be qu
11、ickly actuated under the conditions specified in 3.8.4. 25,OOO-paund capacity and the f6ur 10,000-pound capacity tiedown rings marked with asterisks and numbers on figure 1 shall be subjected to pull tests to determine compliance with 3.8.6. In each case, the ring number The bottom ad top of the ram
12、p shall end in horizontal Ro point on the trailer oher than the wheels shall L.L.8 TlXDWN-RING !lkST.-j?ith the trailer restrained, the four Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_ I _ - MIL-T-26393 23 9 777790b 0373742 I 9 - - _ - - 4 I I
13、. . .- - FIGURE 2 LOADING DIAGRAM 0 * * Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . . . MIL To26193 (UM) of figure 1 shall correspond to the same number on figure 3 which indicates the direction of the applied load for each test. Errah rlng a
14、nd the structuresinto which the ring is attached shall withstand a load equal to the ultimate strength of the ring applied at the speoif?ied direction. Deformation without rupture shall be perlodtted. 4.5 PREPRDDUCTDDM TESTING 4.5.1 PREPRDUCTION TEST SAMPLE.- The preproduction test sample . shall co
15、nsist of a model representative of the production equipment. It shall be tested at a laboratory designated by the procuring activitp or, when so stated in the contract, at the contractors plnt under the supervision of the procuring activity. 4.5.2 PREPRODUCZTON TESTS.- Aieproduction tests shall cona
16、ist of all the tests described under Loh. 5. PREPARATIOIi FOR DELNERY 5.1 PRECERVATION AND PACKAGING 5.1.1 LEVEL A.= Trallera shall be proserved and packaged in accordance with MIL-P-33bS, type II. r. C: 1 . 2 LEVEL C.-*!lrailers shall be preserved and packaged in accordance with the manufacturers c
17、omercial practice, 5.2 PACKING 5.2.1 LFW A.- The trailer shall be rigidly mounted to skids ky mans of a wood crzdle, or equivalent, which will support the weight of the trailer so that the wheels are held at least 1 inch off the floor of the shipping container. The trailer shall be firm strapped to
18、the skids of the container. 5.2.2 LEVEL B.- The trailer shall be shipped completely assembled in a condition acceptable for comon carrier at the lowest rates. 5.2.3 LEVEL C.- Packages which require overpacking for acceptance by the carrier shall be packed in exterior-type shipping containers in a ma
19、nner that will insure safe transportation at the lowest rate to the point of delivery. Containers shall meet Consolidated Freight Classification Rules or regulations of other common carriers as appU- . cable to the aiode of transportation. 5.3 MARKING.- Interior and exterior shipping containers ehal
20、l be marked in accordance with MIGSTD-129. The shipment marking nomen- clature shall be as follows: t however, the tires will penetrate to solid footing before ground clearances are exceeded. Notice. When Governmnt drawings, specifications, or other data are used for aqy parpose other than in connec
21、tion with a definitely related Govermnt procurement operation, the United States Govern- ment thereby i.rWa no responsibiU.ty nor any obligation whatsoeverj and the fact that the Government pay have forrrmlrited, furnished, or 3.n any way supplied the said drawings, specifications, or other data is
22、not to be regardedby Implication or otherwise as in any manner licensing the holder or my other person or corporation, or conveyitlg any rights or permission to manufacture, use, or sell any patented invention that my in any nay be related theretoo Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
