NAVY MIL-STD-268 C INT NOTICE 5-1972 TEST AND INSPECTION OF TRUCKS LIFT FORK《叉起重机货车测试及检查》.pdf

1、MIL-STD-2bC INT NOTICE 5 37 7777733 0069232 2 1 1. Make the following changas at indicate raise forks to maximwn lift height so hydraulic relief valve is activated; tiOii of the static loads a8 specifled 5x1 nrt-SSD-209 to each attaCtiiaent. Measure dimen8iom of the tiedawns. Failure Criteria - Brea

2、kaga or deforaation of the tiedm such that it cm no longer withstand the required static loads or failurs to confom to inensions in WIESTD-209 SU coastitute failure of the test. Local defofiastion in the tiedown and nearby vicinity does not canstitute friltire of the test. 2. 3. FiUoUtdataform. page

3、 4 of 8 pages r - _I I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- I flIL-STD-268C INT NOTICE 5 37 W 7777733 00672Lb T W . . Were lifting attachments C8pabh of withstanding C. Railroad fmping Test8 1. Anchor the forklift in its shipping configur

4、ation on a daPestic service staadard &way flatcar. The only blocking periitte io to the wheels of the forklift. Hump the car, with the forklift tied down at a speed of not leas than 4, 6, and 8 aph against ave box oars with tbeir brakes set. The forklift 8U face in the direction of the five cars. Re

5、peat the procedure at not less than 8 mph with the rear of the forklift in the direction of the five carit. The forkift may be reversed by either reloodiiig it in the apecified airaction cm the flatcar or by reversing the direction ofthe flatcar. Once the test has begun, there shaU be no readjustmen

6、t of load, nor any reconditioning of tbc blocks, chocking material, or tieowns except to reverse directioar of the forklift. After each impact, the forklift and tiedowns SU be inspected to detemine the amount of be$ shift, permanent defoxmation to crilglnnrnt of tho forklift, or other evemce o possi

7、ble failure. 2. Failure Criteria - Weld failure, or permanent defamation to the coprponents of tbe forklift or its tiedm attacbentg, cponents separating fror their nonnal munts, or etopping of a test dae to impend- failure and possible forklift, shall constitute failure of the test. 3. ?il out the &

8、ta fonr. to the ,. Yes 1 HO I bata Perm: Was forklift capale of withstanding rail hump Description of truck . h.pk m. .-te(s) . Idodel st st Locations Serial Ilo. Recorded by . I applied forces? bere tiedawns capable of withst mding amua f orces? Page 5 of 8 pages Provided by IHSNot for ResaleNo rep

9、roduction or networking permitted without license from IHS-,-,-MIL-STD-268C INT NOTICE 5 37 = 7777711 0067237 1 . Te& Forn Ho. 13, unbr #Teat Procedure:“, step 3, add the follw at end of paragraph: raising and tilting the load.“ “If truck is equipped with side-irhifting mechaaisn, SidQ-Shifk la to p

10、ositi- tawsrds the PhtfOrai tut- a6 before . Pagct 3i Test Form Ilo. 14, under “Test Procedure:“, step 3, add st end of paragraph: “If truck is equippsd with side-shifting mechBpIm, Side-ohiffG lpa& to maximm position tomuds the platform tilt- axis before tilting an8 railring the 1oad.Il -Ipags 38 T

11、eat Foril o. 18, under “Test Rocedure“, step 2 af%er “floor“ delete the perio and add: “with mast true vertical.“ Test Form Ho. 19 under “Test Procedure“ step 1, add at end of paragra&Y: “Wermal means may be utilized to hydraulically lock tUt cylinders.“ page 48 Post Test inspection Test Check Sheet

12、, under “ydratrlic System“, delete: “downward“ . Page 7i Test Fonno. 25, undsr “Test Procedure:“, step 2, delete and substi%utc: Detemine the weight supported by the load wheels with rated load “2. in a carry position on the forks by driving the load wheels on a platform acede or jacking up with two

13、 axle scales. When a sie-shift mechani6m is not provided and the load wheels are weighed together, divide the total weight by the nuaber of load carrying tires. When a side-shift. Iaahanism is provided, the load shall be shifted to the Sxtreiae left and the might carriedby each load wheel deterraine

14、d separately. the load shifted to the extreme right. nie upright shall be vertical and the load shall be approximately 12 inclus above the floor.“ Repeat the procedure with Page 73 Test Forn Ho. 26, under check list: “ELECTRIC PRUCKS“* item e, delete “RCIPOV and Replace all Filters, Screens, and Str

15、ainers and allbstitutt: in ydraulic System - 30 minutee - 30 minutes.“ Page 6 of 8 pages Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-STD-2bC INT NOTICE 5 39 77777LL OOb72LB 3 W pages 74 . -. I. Test Form Ho. 27, delete and subistitute: Sest A

16、pparatus: Fining Device Measuring bcvice (U. S. Weather Bureau type preferred) Spray Fixture Test Procedure: 1, Subdect the truck to 8 simulated rainfall of not less than 4 inche8 per hour. The simulated rainfall shall impinge on the truck at an angle of 45 degrees plus or aus 5 degrees with a force

17、 equivalent to a 30 mph wind. The simulated rainfall shall dispense uniforrly over the surfece of the truck. 2. Expose the top and left side of the Cruck to the rain described above for a period of 5 minutes. 3. Repeat 2, with top slid front exposed. 4. Repeat 2. wlth top and right side elrposed.- 5

18、. Repeat 2. with top and rear exposed. 6. Examine ail instr?anents and electric caaitrols for evidence of . misture. . .- page 7 of 8 pages Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - . - . . - . - _ MIL-STD-2b8C INT NOTICE 5 37 m 7777733 OOb7

19、2L7 5 m NxbSm-268c -= 5 (a) aATA mm: Description of track Truck Mfk *. Ilobsl st Location . . Yes was moisture evident in iaotrUmntsP Was moisture evitbnt in eectrical caatrolsP * - Serial Ho. . .Reco by . - lo Teet Fora Ho. 29, “Purpose:“, delete and rnibstitute: !Purpose: To datermine whether the

20、electric truck meets aperatid require- mts by conducting the follawing ageratims lote below on tk test eourse.“ -77 ) Delete the 5 steps uner “-“ aad substitute: “1. The truck eW be cycled continuously on the test cour8e for 7-1/2 hours. 2. Each cycle shall take 2 -es, 45 secomi6 plus or minus 15 se

21、coads. 4. Only OIM battery shdl be pedtted the test aml that batte- shall not be charged during the test.“ 3. cycle8 shall be tlaked. On the Data Ibrm, tielete, “Reading is not over 20 kilowatt hours. aad substitute “Truck euccesofully negotiated the test course for 7-1/2 aurs.“ . U. b. OOYEWIYEM PRIwTIffi OFFICG 1972 -714-539/2381 -. l_ i -. -? Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-