AIR FORCE MIL-T-83273-1970 TRUCK FIRE FIGHTING BRUSH-STRUCTURAL A S32P-8 500 GPM 4 BY 4 CHASSIS《4 乘 4型500 GPM A S32P-8消防卡车的结构性》.pdf

1、MILITARY SFdCUICATIOX TRUCK, FIXE FIGHTIXG, BRJSH-STRUCTURAL A/S32P-8 500 GFX, 4 BY 4 CHASSIS 1. . scorn 1.1 This specification covers a four-wheel, four-wheel drive, 500-gpm pumping capacity, fire fighting truck designated AIS32P-8 . 2. APPLICABLE DOCUMELTS 2.1 The following documents, of the issue

2、 in effect ondate of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: SPECIFICATIONS I L-P-38 3 0-E-910 0-F-555 W-F-800 ZZ-H-45 1 22-H-5 6 1 GGG-A-92 6 GGG-B-101 GGG-C-740 GGG-W-665 Mil It ary It I Plastic -+rial, Polyester Resin, Glass F

3、iber Base, Low Pressure Laninated Extinguisher, Fire, Carbon-Dioxide (Hand and Wheeled Types) Foam Liquid, Fire Extinguishing, kchanical Fuel Oil, Diesel Hose, Fire, Woven-Jacksted, Rubber- or Cambric-Lined, With Couplings Hose, Rubber, and Hose Assemblies, Rubber, Smooth Bore, Water Ax, (Single Bit

4、 Double Bit, Pick Head and Mattock Head) Bar; Chisel, Pinch, Pry, Wrecking, Digging, Tamping, Digging and Tamping; and Crowbar Cutter, Bolt Wench, Spsnner EstiEguisher, Fire, Water, Back-Pack, 5 Gallon Jacket, Fire Hose (S-iI2-inch) Plates, Identification, Instruction and Marking, Blank Hose, Cotto

5、n, RubDer Lined, Water, Braided Construction, With Coup iings FSC 4210 K . THIS DOCUMENT CONTAINS 3 7 PAGES. - _ - _. - Licensed by Information Handling ServicesMIL-N-12314 HIL-X-2 6 206 MIL-L-2 6 5 9 8 MIL-P-43116 MIL-T-45354 MIL-C-52404 Federal 595 Military MIL-STD-12 MIL-STD-17 MIL-STD-LOO MIL-ST

6、D-130 MIL-STD-143 MIL-STD-808 MIL- STD- 82 6 MIL-STD-8 31 MIL-STD-889 MIL-STD-1223 155 i 3 i7 Sir Traas2ortabiLity Rxpitements, General Specificatfon Por Strap, Eose, an6 Lader Battery, Storage, Lead-Acid Strainer, Suction, Fire Hose, and Strainers, Suction, Hose Ladders, Fire, Extensioa; Ladders, F

7、ire, Single; and Ladders, Fire, A-Folding Extens ion Kozzle, Fire Hose, Water, Spray and Stream Nozzle, Fire Hose, Foam-Water, Aircraft Fire Fighting, 60 GPM and 100 GPM Lantern, Electric IZU-2/E Pike, Wire and Pikes, Pole Truck and Truck Tractors, Commercial., Gasoline Engine Driven, 14,000 to 34,0

8、00 Pounds GVW, 4 x 4 Connections, Hose, Fire and Water Colors Abbreviations for Use on Drawings, Specifications, Standards, and Technical Documents Mechanical Symbols for Aeronautical, Aerospacecraft and Spacecraft Use Engineering Drawing Practices Identification Marking of U.S. Military Property St

9、andards and Specifications, Order of Precedence for the Selection of Finishes, Protective, and Codes, for Finishing Schemes for Ground and Ground Support Equipment Electromagnetic Interference Test Requirements and Test Methods Test Reports, Preparation of Dissimilar Metals Administrative Wheeled Ve

10、hicles Treatment, Painting, Undercoating, Identification Marking, Data Plates and Warranty Notice Standards Light, Warning, Vehicular, Rotating, D. C. A2r Foxe-Savy Aeronautical pnirats, ad inscalled attachments shall De so located that there wil be no adverse interference with each other or with op

11、erations, and shall be readily acces- sibie for maintenance, operation, removal, and replacement. 3.5.1 Functional design. at and around military installations worldwide for the purpose of providing quick response for suppression and extinguishment of real material and property fires under extreme c

12、limatic conditions. The truck shall be capable of operating on pved surfaces, unimproved roads, and on cross-country terrain as required to accomplish the fire fighting mission at such installations. The truck shall be designed to operate efficiently 3.5.2 Reliabilitv. The reliability of the truck t

13、o satisfy its intended use will be demonstrated by successful completion of tests specif ied herein. 3.5.3 Maintainability. The truck shall be designed and constructed to provide : a. A minimum number of parts consistent with performances required herein b. and recognition of excessive wear or poten

14、tial failure C. Ease of adjusting, servicing, and replacing parts and components d. Parts and components that are located or positioned for ease of inspection Use of readily available standard tools and equipments for maintenance e. Maintenance with a mini.mum number of tools, 3.5.3.1 Foolproofness.

15、 Where improper installation of an item could cause malfunction of the item or the equipment in which it is installed, an unsymmetrical mounting means shall be provided where practical. That mounting shall allow the item to be installed only in its proper operating position. If an unsymmetrical moun

16、ting means is not practical, the item shall be so mounted that its proper operating position can be readily and visibly determined by service maintenaace personnel. 3.5.3.2 ?“ajar asser.blies. To the maxim practicable extent, it shall be possljie to renove majo: assemblies without the necessity for

17、draining liqulZs or coolants, or dismaneling other assemblies. Major assemblies shall be 2i;ippeb with lifting eyes or other suitable provisions for ready attach- nent of lifting facilities. 3.5.3.3 Cover plates. Cover plates, which must be removed for component adjast;.ient or for component or part

18、 removal, shall be equipped with substantial quick-d isconnect fastenings, 5 Licensed by Information Handling Services MIL-T-3273 LI2 9979906 0236325 7 3.5.5.h Z;sze:-lz Cevices. 911 scra+s, pix, baits, krLZ sir;iT;ar pa:s s5a;i be 5ns;alTeU witk n aaquate reas for pr-evenzing loss of ?rope;- tightn

19、ess arid adjustmnt . Flher, s5 ject to reimva, replaceren; , or djastxenc , attaching hadware for any coqonenc shall be easily removable and sl761l not be swaged; peered, staked, or otherwise permanently deformed. 3.5.3.5 Servicing provisio.ns. Drains, filler plugs, grease iittings, hydraulic lines,

20、 bleeders, and checkpoints for al1 components shall be so located that they are readily accessible and do not require special tools for proper servicing. 3.5.4 Safety featuyes. Ail space which is occupied or in which work is performed during operation, service, and maintenance of the truck shall be

21、free of hazardous protrusions, edges, cracks, or other features that may cause injury to personnel. Safety features such as steps with antiskid tread, handrails, or guards shall be provided at a11 points where the pro- tection of personnel is in question. 3.5.4.1 Hazard guards. subject to high opera

22、tional temperatures or to being electrically energized, that are of such nature or so located as to be hazardous to operating per- sonnel, shall be insulated o;: guarded to the extent necessary to eliminate the hazard. All rotating and reciprocating parts and all parts 3.5.4.2 Conponent protection.

23、All oil, hydraulic, and air systerr, tubing, and all electrical lines shall be properly clipped to the frame or body structure and, except where a through-frame connector is necessary, shall be furnished with metal protective looms or grommets at each point where they pass through panel or structura

24、l members. 3.5.5 Lubrication. All parts of the truck normally requiring lubrication shall be provided with lubrication fittings conforming to SAE Standard 5534. Where the use of high lubricating pressures may damage grease seals, a pressure release device shall be provided. Extended fittings shall b

25、e pro- vided to lubricate parts or assemblies which are not readily accessible for direct lubrication, or which are likely to be overlooked because of inacces- sibility. 3.5.6 Air transportability. portability in accordance with MIL-A-8Li21 and Bulletin 518 in a qe C-136 aircraft equipped with an LJ

26、A32Ei-4 dual rail cargo handling systeil: (sae 6.4). Ine truck shall be designed for air trans- 3.5.6.1 CorAponent remova. Disconnects shall be provided for removal and reinstallation of components, such as the warning light, that nay extend above the required height (see 3.16) for air trans2ort. Re

27、novcrl and reinstal- lation 02 sich corriponents shall be corqleted by noz more than one mn in an eapse tine not to exceed 1 hour. 6 - Licensed by Information Handling ServicesMIL-T-83273 Li2 M 7777906 023b32b 7 i . F.- 3.jw6.2 PLeCs-.xs. ae z-aick shzil be provldai wi:n caf2:cler.t tiecowr, p2its s

28、o hcated zhac Che vehicls car; he restmined ;i; all 6iracr;ions during restraining chains will be ELE an angle of 30 witn the aircraft floor. Vehicle attach- ment point loading capacities shall be downgraded accordingly from the standpoint of restraining horizontal, vertical, and lateral g-loads on

29、the vehicle. 3.5.6.3 Clearance, Sufficient clearance shall be maintained around all attachment points to allow for restraining chains without interfereace from any other structure on the truck. The tiadown points shall have a minimum clear opening of 4 inches to allow attachment O a chain tiedown wi

30、th a grabhook. 3.5.7 Weight distribation. of the weight of the truck under all loading conditions. The weight on the front axle shall be 44 i5 percent 3.5.S Waterproofing. All components shall be so designed and protected that their normal functioning will not be impaired by heavy rains, road splash

31、 forniation of condensation, spillage of extinguishing agents, and leaks in the piping system. 3.6 Performance. Except as otherwise specified herein, performance require- ments shall be based on operation at sea level. 3.6.1 Eaviroisnental conditions. The truck shall be capable of satisfactory peri

32、orrnce under the following conditions without detrimental effect to subsequent operation: a. Starting and operaring in ambient temperatures ranging from -ZOO to 4-125OF b. in 3.13.2. Werzting in an ambient Cemperature of -40F when winterized as specified 3.6.2 XobLlry The ruck fully loaded and equip

33、ped, unless otherwise speci- fied herein, chali be capa3le of tne foilowing: a. Xegotiate, in both direccions, a 25O ramp connecting two horizontal sur- faces. The rap length shall be at least 1.2 times the wheelbase of the truck. The truck shall be capable of being driven forward, or backed from on

34、e hori- zontl surEace across the ramp LOB, ascend o descenc the ramp, cross the 7 Licensed by Information Handling Servicesb. Xaintair, a spee6 OE ROC ess than 50 mpii on evel paved. roads C. paved roas Accelerate from a standstill to a speed of 35 mph in 30 seconds on level d. operation or causing

35、spillage of agents, fuels, or lubricants Ascend and descena. 30-percent grades without adveseiy effecting vehicle e. Negotiate 20-percent side slopes, in both directions, withoat adversely effecting vehicle operation or causing spillage of agent, fuel, or lubricants f. be brought to a complete scop

36、within 30 feet from a speed of 20 mph on a dry, hard surface, approximately level road free from loose material. The hand (parking) brakes shall be capable of holding the truck motionless when headed eithsr direction on a 30-percent grade g, country terrain (see 6.3.3) as follows without adversely e

37、ffect ing vehicle components or installed equipments : Be held and controlled by the service brakes on a 30-percent grade, and Under any load condition, traverse paved and unimproved roads and cross- (i) Paved roads at an average speed of 45 mph (2) Graded gravel roads at an average speed of 25 mph

38、3) (4) Belgian Block roads at n average speed of 20 mph Hilly cross-country terrain at an average speed of 15 mph. 3.6.3 Agent discharge. The truck shall be capable of discharging water and foam (expanded solution of water plus foam liquid conforming to 0-F-555) selectively from all fire pump disch

39、arge outlets. The truck shall be capable of: a. three 2-i/2-inch discharge outlets while pumping water at a rate of 500 gpin fron either draft or hydrant supply Dischrging water at a rate of 250 gpm through each of any two of the b. water tank sup2ly Dischargins water at a rate of 250 gpm whiie pump

40、ing from tne installed C. or sixsitaneousiy tqhile pumping from Cirzft, hydrant, or the installed water tank supply Discharging water at: a race of 69 gpm through each booster hose separately 8 Licensed by Information Handling ServiceslffL-“-83273 (CSAF) d. Xschaigiag wtez through the booctcr hose a

41、t a rute OE 30 gpn 83 a riinxx pum? pressure of 260 psi during continuoiis forward morion arid srspstart operations of the fully loaded truck while ascending 30-percent grades. IF two-speed transfer (see 3.7.4.1) is provided on the truck, the 30-gpn flm rate shall be obtained while discharging at a

42、minimum pum? pressare of 350 psi e, water) and 6 percent (6 parts foam liquid to 94 parts water) while dis- charging at water rates u? to 200 gpm, and while pumping from draft, hydrant, or the installed water tank supply. This includes discharging at a water rate of 60 gpn: through each booster hose

43、 and at higher water rates through the 2-l/S-inch discharge outlets. 3.7 Chassis. The chassis shall be tne manufacturers standard, except as modified to comply with requirements specified herein. The chassis shall be a 4 by 4 conforming to MIL-T-45354, type I, class D, gasoline or diesel engine driv

44、en as specified by the procuring activity (see 6.2). The total gross weight of the complete truck shall not exceed the manufacturers gvw rating when fully equipped as specified herein, including al1 specified fire fighting equipment, serviced with fuel, lubricants, and water; filled to capacity with

45、 water in the water tank; filled to capacity with foam con- centrate in the foam tank; a 1,500-pound simulated load in the hose bed; and five men weighing not less than 175 pounds each or equivalent dead weight. -. Discharging Eoam solutions of 3 percent (3 parts foam liquid to 97 parts 3.7.1 Engine

46、 horsepower at governed rpm, and shall meet performance requirements specified herein. Gasoline engines shall deliver the required performance when using regular grade gasoline. Diesel engines shall deliver the required performance when using fuel conforming to W-F-800. The truck engine shall deliv

47、er a minimum of 195 net brake 3.7.1.1 Engine hourmeter. less than 9,999 hours shall be provided to accurately register the number of hours of engine operating time. The meter shall be of strong, rugged con- struction to insure continuous trouble-free performance under the most extreme equipment oper

48、ating conditions specified herein. The meter shall be so mounted on the truck that it can be conveniently and easily read by per- sonnel servicing the truck. The meter may be combined with the engine tachoneter (see 3.9.2). 3.7.i.2 Cooling system. An hourmeter having a totalizing mechanism of not A

49、heavy duty cooling system shall be provided. 3.7.1.2.1 rci-rning iight shll be controlled by a switch on the cab instumnt panel Wmzing signaP lig5C cocforning ta X351317-2, no;rte to iasue its d. Pump control panel iights (see 3.5j.2) e, Equipment cabinet lights (see 3.9-.8). 3.7.2.3 Siren. A 12-V electronic ty2e siren shall be provided. It shall transmit an automatic-controlled, slow-wail sound level in the magnitude of 115 to 12Odb sound pressure level, reference pressure 0.0002 microbar at a distance of 6 feet from the speaker,