1、 -3845 MIL-G-5277bA 38 777770b 022L794 7 19 ed so when the crperator is seated with seat belt fastened and pmprly adjusted, he has cowdent acxess to operathg contmls as well as visibility of the work zone and all inStnmien ts and indicators maunted on the ill also insulated soun-suppm RaPS cab; hot
2、water personnel heater (equipped with one or mre shut-off valve in the Coolant: lines to stop and vary the flaw of coolant to the heater); desting system for cab winduws; front and rear windchield wipers; radiator winterfront; hsula.t;ed engine an radiator mnprtmnts; insulated battery box; and batte
3、ry- finned connectom. Winterization ccarrponents shall not affect the performance of the grader, and all other grader rquhments shall be mt as specified hemin. 3.23.3 Winterization fit, nie kit shall consist of the caporients for 3.23.4 Heater cmd heat excham er. liie -cher ltSwhgfirett heater, part
4、 nw 26=9002t or equal, chal1 be used for preheat pwposes. When specified (see 6.2)t a quantity of heaters shall be furnished. The -cher heat exchanger (water jacket), part no. 26-9013, or equal that is ccanpatible with the Swingfire heater, shall be pravided for heating the engine coolant. The heat
5、excharger shall be located near the engine campartment for easy accessibility for insertion of heater. The heater Unit starting aperation shall be pmvided by the graders 24-volt electximi. system, using a wiring hamecs with Bosh xeceptacle, park 110. 135050012, or egual, ccarp.tible with the heater
6、startex cable connector. After heater start and insertion into heat excharger, preheating of the engine ooolant shall be prwided by thenmsiphon action. -1 be muted to the battery box for wen, hot-aiir dremhmg of the battery box and then muted away fm the battery box to the atniosphere. shall not be
7、mpeded by exceCsive back pressure or leakage. ah, the system chal1 be insulated and heat shielded, as required. The heater exhaust hot air nie hot aMuw To mtain the hot 3.23.5 insulation. Insulation shall conform to MIGI-14511, 0.50 indi. Adhesive for bonding the insulation shall retain its adhesive
8、 properties at ambient: tempexalxxres to -60 OF. 3.23.6 Kit perf ormance. The winterization fit shall be of su wer, initial seyvicbg and run- in may be accmplished with lubricants star), tihe lubricant supplied shall be frcan a soume that is liste on the applicable am;. J 3.26 FWf Orniance. 3.26.1 B
9、lade mil. IIie grader shall develcp a blade puil of not less than 18,000 pounds at 2 iO.1 np.il at the specified operating Weight, on a dry, level, concrete 8urface, with no more than a 15-perCent slip fahr. 3.2642 vel mee . Ihe grader shall be capable of a fom travel speed of not: less than 20 rrQI
10、 on lwel pavmt. 3.26.3 Blade lit. aie blade shall have a lift abwe ground of not less than 16 W. 3.26-4 Blade cut. Ikae blade shall have a cut belav grcnnid of nut less than 10 inches, 3.26.5 Blade reach. 2e blade shall have a reach (right and left) of not less than 6 feet outside the rear tires. 3-
11、26.6 Bank anCr le. The blade shall have a right and left bank cutting angle of 90 degrees. 3.26.7 Chle turn. Ilae blade shall be capable of travers 360 degrees, withcut remuvirg ariy niachine cmpxmpraval of the contracting officer. Ihe plates shall be attached to the left side of the grader and shal
12、l shuw the location as viewed fm the left side. nie -ions for changing the nunbrs based on the vehicle Plates shall conform to MIL-P-514 or contractorls standarcl 3.35.5 Case. nie contractor shall furnish the fastenerc and shall install the Gavemmient: umished case on the grader (see 3.36) . 3.35.5.
13、1 Mmnth bracket. unless otherwise specified (see 6.2), the ic radiation limitc not as specified. Highway and water transportability not as specified. Air transportability nut as specified. 4 3.24 3.25, 3.25.1 3.27 3.28 328.1 3.29 3.30 3.31 3.32.1 3.32.2 24 Provided by IHSNot for ResaleNo reproductio
14、n or networking permitted without license from IHS-,-,-MIL-G-52776A 38 7779706 0223768 T M Fht Article 1 X X X X X X X X X X X X X X Individual 2 X X X X X X X X X X X X X X MILrG52996A(ME) m3LE I. Examuia tion schedule. (Contd) Defect 3 156. 157. 158. 159. 160. 161. 162. 163. 164. 165. 166. 167. 16
15、8. 169. mil transportability not as specified. Lioading capability not as specified. Fuel capacity not as specified. steering frame lock not as specified. Siiqing attachmnts not as specified. Tied- provisions not as specified. Treatment and paint- ing not as specified. paint color not as cpeci fi (i
16、f specified) not fllmished. 171. Vekicle classifica- tion not furnished. 172. Cracke or broken parts or assemblies. pemianent defom- tion of any part or ass4mbly. 4 3.37 3.38 3.39 4.5.2 !Ists. Tests chal1 be condu& in accordance with table II. Prior to conducting any operational tests, all s“E/CE di
17、agmstic tests specified In 3a23.8 shall be IIEsID& and recorded. TAEEE II. Tect= schedule. Fbt arkicle 1 X X X X X X X X Individual 2 3 operating weight. Fuel tank capacity. stearing and brakuig systems. scarifier swath with. Cold tests, when applicable. Installation test, when applicable. DCA capab
18、ility. 26 Test paragraph 4 4.5.2.1 4.5.2.2 4.5.2.3 4.5.2.4 4.5.2.5 4.5.2.6 4.5.2.7 4.5.2.8 Raquirement: paragraph 3.1 3.5 3.12 3.13.1 3.13.2 3.19 3.23.6 3.23.7 3.23.8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-5277bA 38 a 7777706 0223770 8
19、 a Fht article 1 X X X X X X X X X X X X X X X X X Individual 2 MIIrG-52996Am) TABLE II. Test cchedule. Test 3 DcA-STE/ICE interfaces. Pmduction run-in. Blade pull. Travel speed. Blade lift. Blade cut. Blade reach. Bank cutting angle. circle tum. construction task. stability. Fording. Noise 1hk-s. m
20、hmtal requirementc. Rail impact test. slinging attach- mts. Tieduwn pravisions . Test paragraph 4 4.5.2.8.1 4.5.2.9 4.5.2.10 4.5.2.11 4.5.2.12 4.5.2.13 4.5.2.14 4.5.2.15 4.5.2.16 4.5.2.17 4.5.2.18 4.5.2.19 4.5.2.20 4.5.2.21 4.5.2.23 4.5.2.24 4.5.2.25 Iteqhmnt paragraph 5 3.23.8 3.26 3.26.1 3.26.2 3.
21、26.3 3.26.4 3.26.5 3.26.6 3.26.7 3.26.8 3.26.9 3.26.10 3.28.1 3.29 3.32.3 3.33.1 3.33.2 4.5.2.1 Weicht. ?il weight of the grader shall be measured with a scale calibraf3 within 6 months of tke test. 3.1 shall constitute failure of this test. Inability to meet the requirementC of 4.5.2.2 Rollover m&e
22、ckive structure (FOR3 and fallh 0biect.S rJrotedive stru- (Fopc). FOB pes.ted in aecordanae with SAE J231 to pmve conformance to 3.5. confornnce to 3.5 shall be cause for rejection. me Rops shall be tested in accozdance with SAE J1040 and the Ihe remaval arid replacanent of Non- 27 Provided by IHSNo
23、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-the RPS and Fops shall be tested to piicrve to conformance to 3.32, defomtion or damage to any part of the IEOPS and FDB, or inability to meet the reqybmmts of 3.32, shall constitute failure of this test. 4,5.2,3 mel ta
24、nk camcity, Itre gradex fuel tank capacity shl be measuml during comlu& of the construction task (see 4.5.2.17) to prove capliance with the fiel capacity requirementc of 3.12. for rejection. pemianent Norxxxiformance to 3.12 shall be cause 4.5.2,4 Steerina and brakina m stem. 4.5.2.4.1 Steerinu m st
25、em, Ihe gracier cteerhq system shall be teste in am- with SAF: J53. Nomnfonnance to 3,13.1 shall constitute failum of this test. 4.5.2.4.2 trak . !Jihegraderbrakingsyctemchallbetestedh accordanCie with SE J1152, this wt. Nomnfoz-manCe to 3.13.2 shall constitute failure of 4,5.2,5 Scarifier. The scar
26、ifier swath width shall be meacured to prove conformame ta 3.19. Nonconfomiam=e to 3.19 shall constitute failure of this wt . 4.5.2.6 cold tests, The grader Ml be cold smkd in a temperature cmntmlled chamber to a terrrperatUre of -50 % and tested as follawc to prove CanfOm to 3.23.6- a. Prepration.
27、(1) (2) (3) (4) Ensure that the grader has been cewiced with arctic coolant, fuels,lubricants, and hydraulic oils. Sewice SItingfire heater with arctic gasoline. Place grader in tenrperature controlled chamMr. Inshummt the grader to record as a minirmmi the follawhg (a) Exhaust, engine heater outlet
28、. (b) ixalpem-: Air, battery box, Wet, outlet, and all aides, positioned) (c) Air, operators ccenpartment, operator torso (seated (a) Air, operatorls mt, floor, roof, sides (midway to -1 (e) Ah, hat: waW heater &let, (E) Electrolyte, al1baWerie-S. (9) coolant, engine block inlet. 28 Provided by IHSN
29、ot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-5299bA 38 9999906 0223772 1 (h) Coolant, engh blcck outlet. (i) Oil, engine sup, and galiexy. la. procedure. n (3) t subject grader to a stabilized temperatUre of -50 “F for 24 hourc. Bring Swingh heater into col
30、d chamber. electrical pawer cource arwl start heater. dicconnect froan pawer source.) Insert heater into heat exchanger and preheat engine coolant and battery for 90 minutes. Recozd temperatures continuoucly or at intervals not greater than 5 minutes. conned hater to grader (After heater start, Remo
31、ve heater fram heat excharger and shut off mtor. Start engine fram grader battery. Start personnel heater and defrost fans 30 minutes after enghe Start. ne hour after heater start, record aperatOr cCerp.rtment air tenperatures and ch& defrost. Operate grader steer-, blade, and scarifier contmls for
32、10 minutes within the dimensional limits possible in the test chamber. n-isase and operate - ssion and brake system as dimensional limits of test chamber pennit. Nomnfomance to 3.23.6 shall constitute failure of this test. The p.qoSe of this test is to encure the proper fit, form, and function of th
33、e winterization kit an that IX) aperational or safety deficiencies &st after installation of the kit on the grader for which it is intended. 3.23.7. bank cutting and slophq, 1 hour for gradhg in reverse, and 1 hour for scarifying. inspection of all DCA wiring hamecsec prior to installation on the gr
34、ader to ensure wirec and wnmctions are free of error. grader, test the DCA hamecc (reference chapter 5 of design guide for DCA) on each vehicle with a DCA tester prior to interfacing with STE/ICE. ance to 3.23.8 shall constitute failure of the M3A. 4.5.2.7 Installation test. The grader shall be test
35、ed for 10 hours to prove conforname to It shall include 5 hours for roulpi and fine grading, 3 hours for high 4.5.2.8 DCA caisability. The contractor will perfonn a 100 percent visual After installation on the Nomnform- 4.5.2.8.1 DCA - S“!E/ICE intexfaces. Test the DCA for all masmemnb After complet
36、ion of all first article specified in 3.23.8 using S“!E/ICE. testing, the test shall be repeated and the results ccanpared to the first test 29 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-G-SE!97bA 38 9790b 0221773 3 W MIGG-52996A(ME) cmponen
37、t or wiring in the DcAhamecs, which results in inability to obtain .the O -b pmiously rem- with the SiE/IcE (see 4.5.2), shall constitute failure of this test. 4.5.2.9 ion run-in. start and operate ea& gracier as folaws: operate the grader in al1 gears fonIardandmexse at niaxinrium speeds cxmwrmmu w
38、ith oonditions for onehalf bur. stap and xxstaxt the engine not: less t.han five th. periods. MoloL ea& hydraulic control in each actuation pition until the hydmuiic system reiches relief valve pressure at least five timeS. perate the grader thrmqh not lecc than 10 full right and 10 full left turns
39、using lmximm wheel lean at the rmxinm speed ccmmsumte with sae aperation, Make not less than five abnprrt: panic stops fm a speed nat: less than 20 mph using the sewice brake. Wease and reapply the parking brake not less than five th. Turn on al1 lights for the duration of the run-in, Evidence of an
40、y deficiency, need for adjustment or mahtermce, malfunction of any contml, or evidence of leakage of fuel, lubricants, or hydraulic fluid shall be ause for rejection of the grader by the GcnreKmient until correct& to the GWenrment:s satisfaction. Gammnmt my require additional run-in after deficienci
41、es are arreck. Any defect fcrwid during prmktctiun run-in shall be prima facie evidence that gradem pmimly accept& are similarly defective unless evidence satisfadory ta the contracting officer is furnished by the contractor that they are not simiiarly . defective. Ihe blade pull of the grader shall
42、 be riieacured to pme confomance to 3.26.1. tests mnformhg to SAE 5872. Nomnformme to 3.26.1 shall constitute failure of this test. Clp.rate all blade and scarifier tmls for 5-minute 1 The 8 4.5.2.10 Blade rxill. a apliance with 3.26.1 chal1 be detemwed frmpull 4.5.2.21 Travel c1)8ed . The -vel spee
43、d of te grader shall be meacured to pme confoxmance to 3.26.2, Nomnformar&ce to 3.26.2 shall constitute failure of this test. 4.5.2.32 Blade lift. IIae blade lift above grCrund shall be meacured to prove to 3.26.3, Noncanformanoe to 3.26.3 shall constitute failure of this tese. 4.5.2.13 Blade Cut=.
44、The blade cut Maw ground shall be measured to prove confo to 3.26.4. Nonconformance to 3.26.4 shall constitute failure of this test* 4.5,2,14 Blade ma&. The blade reach (right and left) outside the rear tires shall be meamred to prave conforrinance to 3.26.5. Nomnfo to 3.26.5 &all conskitute fail- o
45、f this test. 4.5.2.15 Barik ancf les. %he blade bank cutting angle shall be meamred to pwe &OMIIC to 3.26.6, Normn.formnce to 3.26.6 shall constitute failure of tixis test. 4.5.2.16 Chle tum. The blade circle turn chal1 be meacured to pme &ormance t0 3.26.7. Nonconformance to 3.26.7 shall constitute fail- of this test* a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
