1、MIL-T-20LLB 23 W 9999906 0205q79 b W r- MIL-T-82011B 24 September 1976 SUPERSEDI% MIL-T-8201U , 24 March 1970 MILITARY SPECIFICATIa TRUCK, MAINTENANCE; POWER LINE INSULATOR WASHER, 28,000 POUNDS GVW, 4 BY 4 This specification is approved for use by all Departments and Agencies of the Department of D
2、efense. 1. SCOPE 1.1 Scope. This specification covers a commercial, gasoline-engine- driven, four-wheel, four-wheel drive, power line insulator washer truck. 2. APPLICABIE DOaJMENTs 2.1 Issues of documents. The following documents, of the issue in effect on date of invitation for bids or request for
3、 proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL PPP-T-75 - Tape, Preservation and Sealing. MILITARY MIL-P-116 - Preservation-Packaging, Methods of. MIL-B-121 - Barrier Material, Greaseproofed, Waterproofed, Flexible. STANDARDS MILITARY MIL-STD-129
4、- Marking for Shipment and Storage. Bene ficial 00nuue.nbs (recommendakions , additions, deletions 1 and any pertirient data which may be of use in improving. this docu- ment should be addressed to: Commanding Officer (1561, Naval Construction Battalion Center, Port Hueneme, CA 93043 by using the se
5、lf-addressed Standardization Document Improvement Pro- posal (DD Form 1426) appearing at the end of this document or by letter. / , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-BZOLLB 23 7797406 0205500 7 W , MIL-T-82011B MIL-STD-281 - Autom
6、obiles, Trucks, Truck-Tractors, Treilers and Trailer Dollies; Preservation an-d Packaging of. Painting, Rustproof ing , Undercoating, Identification Marking, Data Plates and Warranty Notice Standards. Capacity, Manual Release. MIL-STD-1223 - Administrative Wheeled Vehicles Treatment, MS 5 ill 8 - Pi
7、ntle Assembly, Towing: 40,000 Lbs. (Copies of specifications, standards, and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publications. The following documen
8、ts form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. DEPARTMENT OF TRANSPORTATION (DOT) Federal Motor Vehicle Safety Standards and Regulations. Motor Carrier Safety Reg
9、ulations. (Application for copies should be addressed to the Superintendent of Documents, Government Printing Office, Washington, DC 20402.) ENVI RONMJ3NTAL PROTECTION AGENCY (EP A) Code of Federal Regulations, Title 45, Subtitle A, Part 1201 - Interstate Motor Carrier Noise Emission Standards. Moto
10、r Vehicle Air Pollution Standards. (Application for copies should be addressed to the Public Affairs Office, Environmental Protection Agency, Rockville, M 20852.) * NATIONAL MOTOR FREIGHT TRAFFIC ASSOCIATION, INC., AGENT National Motor Freight Classification. (Application for copies should be addres
11、sed to the National Motor Freight Traffic Association, Inc., Tariff Order Section, 1616 P Street, N.W., Washington, Dc 20036.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-BZOLLB 23 W 9999906 0205501 O B ML-T-82011B s)cm OF 5245 - 5551 - 5
12、552 - 5560 - 5682 - 5688 - 5704 - Standard for Engine Rating Code - Spark Ignition. Standard for Measurement of Electromagnetic Radiation from Motor Vehicles (20-1000 MHz) . Recommended Practice for External Electromagnetic Radiation Suppressors. Recommended Practice for Seven Conductor Electrical C
13、onnector for Truck Trailer Jumper Cable. Recommended Practice for Rear Wheel Splash and Stone Throw Protection. Recommended Practice for Truck Ability Prediction Procedure. Standard for Side Openings for Truck Power Take-offs. (Application for copies should be addressed to the Society of Auto- motiv
14、e Engineers, Inc., 400 Commonwealth Drive, Warrendale, PA 15096.) STATE OF - CALIFORNIA California Vehicle Code. (Application for copies should be addressed to the Department of Motor Vehicles, 2570 24th Street, Sacramento, CA 95809.) TIRE ANDRIM ACSOCIATION I MC. T each tank equipped with drain, an
15、d with safety and check valves between mmpress2r and last reservoir tank. Foot control, suspended or treadle type. Air pressure gage, visible to the driver. Low-air-pressure warning, visible and audible. Air control valves. Computers. Wheel sensors. Antilock warning signal, visible. 9 Provided by IH
16、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-BZOLLB 23 O6 0205508 3 m . MIL-T-82011B (j) Service brake stop lamp switch. (k) Alcohol aspirator with unbreakahle transpruerit centdaex. (1) Automatic misture ejector. 3.6.11.2 Parking brake. Truck shall be e
17、quipped with parking brake. * 3.6.12 - Cab. Manufacturers standard full-width model cab shall be furnished. Cab doors shall be equipped with locks, operable from inside the cab through mechanical linkage, and with at least the curb side door equipped with external, key-operated lock. cab shall have
18、upholstered, full-width, adjustable seat and back, or individual adjustable drivers seat and passenger seat. Manufacturers standard fasteners and not less than two pairs of seat belts shall be installed on the truck. 3.6.12.1 Cab roof. The cab roof shall provide for an area fitted with safety glass,
19、 with power operated wiping device, to permit obscr- vation of the insulator washing operation from the drivers position. Glass shall be tinted, slanted for drainage, slide open, and cover an area approximately half the cab width and forward-to-rear dimensions as long as practicable. cab roof shall
20、be weatherproof. 3.6.12.2 Headrest. An upholstered headrest shall be furnished and located to support the drivers head during observation of the insulator washing operation. 3.6.12.3 Mirror. located to permit the driver to see the boom cradle area. A mirror shall be munted on roofof cab and 3.6.13 S
21、teering. Manufacturers standard power steering shall be f urnished. 3.6.14 Windshield wipers and washers. Truck shall be equipped with dual windshield wipers and windshield washers. be multispeed type and operated by air or electric motor (s) . Windshield wipers shall 3.6.15 Front bumper. Manufactur
22、ers standard front bumper shall be furnished. 3.6.16 Rear end protection. tected in accordance with DoT Motor Carrier Safety Regulations, section Rear end of the truck shall be pro- 393.86. Rear bumper or bumperettes shall be furnished. 3.6.17 Tools. When specified (see 6.2), truck shall be furnishe
23、d with tools required for exchanging mounted tire assembly with the spare assembly (see 3.6.10.31, and shall include at least a hydraulic jack, jack handle, and wheel nut wrench. The jack shall be of such closed height as to permit its location under axle, or other satisfactory lift point, at any wh
24、eel with the tire flat. The jack, without blocking, shall be capable of raising the fully loaded truck to a height adequate to permit removal and replacement of wheel and tire assembly. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-82011B
25、3.6.18 Heater and defroster. Hot water heater shall be provided. Heater shall have fresh air intakes. Discharge outlets shall be pro- vided to direct heated air to floor and to defroster louvers. Heater shall be complete with blower and mounted controls convenient to the driver. 3.6.19 Controls and
26、operating mchanims. All controls and operat- ing mechanisms shall be located for left-hand drive. Controls shallbe complete and conveniently operable by the driver. be designed and located to pennit easy entrance and exit of driver to and from drivers compartment. Instruments and controls shall be i
27、denti- fied as to their function and installed in a manner to facilitate removal and servicing. Instruments shall be panel mounted. Lever controls shall 3.6.20 Accessories and equipment. Chassis equipment shall be com- plete with all accessories furnished as standard equipment by the manu- facturer.
28、 The following minimum equipment shall be furnished: Key-operated ignition switch. Ammeter, charging indicator, or voltmeter. Fuel gage. Oil pressure gage or indicator. Engine temperature gage or indicator. Speedometer with recording odometer. ual sunvisors. Front door mounted armrest on drivers sid
29、e. Drivers compartment ventilator other than window. Tachometer. Manufacturers standard electric horn. * 3.6.21 Outside rearview mirrors. Combination (flat and convex) out- side rearview mirrors, enclosed in a common housing shall be provided on each side of cab. Each combination mirror shall have n
30、ot less than three supporting arms. Each combination mirror shall have at least 40 square inches of flat reflective area and an adjustable convex sur- face having at least 20 square inches of reflective area. 3.7 Body components. The body of the truck shall consist of a hydraulically operated extend
31、able boom unit, frame mounted at rear of truck, a water tank of not less than 1,000 gallon capacity, frame mounted at rear of cab, and various associated equipment as specified herein. 3.7.1 Boom. - The boom shall be fabricated from telescoping steel sections incorporating top, bottom, and side roll
32、ers; hardened steel wear strips or full width boom rollers; and two separate extending cables. The height of the fully extended and elevated boom shall be not less than 65 feet above the ground. Llore than 19 feet. The fully retracted boom length shall be-not The boom shall elevate to an angle of no
33、t less than 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-82OLLB 23 9Ob 0205530 3 = THIS PAGE INTENTIONALLY LEFT BLANK 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- . MIL-T-2033B 23 W
34、 777770b 0205533 3 MIL-T-820 llB moverent of the nozzle. The nozzle aiming mechanism shall permit opera- tiori of the noesle at any position 7.3 - Tank. Water tank shall have a capacity of not less than 1,000 gallons. Tank shell, heads, and baffle(s) shall be fabricated from high-strength, low-alloy
35、 steel with a nominal thickness of 0.1046 inch (U.S. revised standard gage No. 12). Tank shall have a corrosion-resistant coating applied to the interior surfaces. Not less than one baffle shall be provided which will reduce surge oscillation to a point where the truck will not pitch, sway, or rock
36、when stopping. Baffle (s ) shall have half -round openings top and bottom. shall be provided with not less than a 16-hch diameter manway opening. An easily accessible filler opening shall be provided and fitted with a removable basket type strainer, an air vent, and an overflow line. Tank shall be p
37、rovided with a full length longitudinal box type or V-type tank frsm members and shall be mounted at rear of chassis cab. Baffle (s 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- . -. . . . . ._. . . . - - . . - . . . . . . . MIL-T-820118 23 W 99
38、99906 O205512 5 m 5. MIL-T-82011B 3.7.4 Water pump. The pump shall be of the self-priming, pqdti- Impellers shall be in hydraulic balane and All ball and roller bearings shall be sealed All internal water passage surfaces shall be stage centrifugal type. run in bronze bushings. against entry of wate
39、r. smoothly finished. controlled from inside the cab. The water pump shall be driven from a power takeoff 3.7.4.1 Pressure gage. A pressure gage, connected to indicate the pump discharge pressure, shall be mounted in truck cab in a position readily visible to the driver. excess of the pressure devel
40、oped at rated pmp operating speed. Gage shall have a pressure rating in 3.7.4.2 Pump and nozzle output. The water pmp capacity and water discharge at boom nozzle shall meet or exceed the requirements specified in Table I. TABLE I. Pump and nozzle ratings. Pump Pump discharge Pump output Nozzle disch
41、arge speed pressure capacity Pressure Capacity 1,450 49 O 115 400 35 1,595 600 105 470 39 1,750 700 97 56 O 43 3.7.5 Piping. Piping between tanktApump, auxiliary hose reel, and boom base shall be made of galvanized or corrosion-resistant metal. Fittings shall be made of corrosion-resistant materials
42、 or shall be adequately plated incide and outside with corrosion-resistant metal. Tank-to-pump piping shall be not less than 2-inch inside diameter. to-boom base piping and pump-to-auxiliary hose reel piping shall be not less than 1-1/4 inch inside diameter. furnished to the boom nozzle and on the a
43、uxiliary hose reel. shall be not less than 1-inch diameter and shall be capable of with- standing at least 800 pounds per square inch working pressure. strainer and tank dump valve shall be furnished. which is not self-draining shall be equipped with marked drain plugs. Pump- High pressure water hos
44、e shall be Water hose Suction Any section of piping 3.7.6 Adliary hose reel. An auxiliary self-rewinding hose reel, with not less than 100 feet of 1-inch high pressure hose (see 3.7.5) , shall be mounted on the truck. system to isolate the auxiliary hose reel when not in use. A valve shall be instal
45、led in the piping * 3.7.7 Outriggers. A hydraulically operated outrigger shall be provided on each side of the body. Outriggers shall be of adequate section to resist deformation and properly located to maintain the body 14 /?:.,- =j adjustment of engine; adjustment of electrical and brake system; a
46、linement of front wheels; inflation of all tires; complete lubrication of chassis, engine, running gear, and mounted equipment. * 3.12 Workmanship. 3.12.1 Steel fabrication. Steel used in the fabrication of equip- ment shall be free from kinks and sharp bends. material shall be done by methods that
47、will not cause injury to the metal. The straightening of 15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-2O33B 23 7777706 0205534 7 9 MIL-T-82 OllB Shearing and chipping shall be done neatly and accurately. All-&ends of a major character sha
48、ll be made with controlled means in order to insure mifonnity of size and shape. 3.12.2 Bolted connections. Bolt holes shall be accurately punched or drilled and shall have the burrs removed. Washers or lockwashers shall be provided in accordance with good commercial practice, and all bolts, nuts, a
49、nd screws shall be tight. 3.12.3 Riveted connections. Rivet holes shall be accurately punched or drilled and shall have the burrs removed. Rivets shall be driven with pressure tools and shall completely fill the holes. Rivet heads, when not countersunk or flattened, shall be of approved shape and of Uniform size for the same diameter of rivet. Rivet heads shall be full, neatly made, con
