1、I - MIL-T-62032H 23 9999906 0479069 2 W 1 NOT MEASUREMENT SENSITIVE I MIL-T-62032H - SUPERSEDING MIL-T-62032G 25 March 1988 MILITARY SPEC1 FICATION TRUCKS, TANK: FUEL SERVICING AND AIRCRAFT FUEL SERVICING, 1,000 TO 4,000 GALTXIN, DIESEL AND GASOLINE ENGINE DRIVEN, 16,000 TO 50,000 POUNDS GVW, 4x2, 4
2、x4, 6x4, AND 6x6, MODIFIED COMMERCIAL This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 a. This specification covers diesel and gasoline engine driven, four-wheel, two- or four-wheel drive, and six-wheel, four- or six-wheel drive, singl
3、e or dual delivery fuel servicing and aircraft fuel servicing tank trucks, with product capacities from 1,000 to 4,000 gallons, having minimum gross vehicle weights (GVW) of 16,000 to 50,000 pounds for normal operating conditions. commercial items which are warranted by the manufacturer as specified
4、 in acquisition documents. . * 1.2 Classification type, class, size and model shown in table I, as specified (see 6.2): Vehicles procured under this specification are The vehicle shall be one of the combinations of Beneficial comments (recommendations, additions, deletions) and any pertinent data wh
5、ich may be of use in improving this document should be addressed to: US Army Tank-Automotive Command, ATTN: AMSTA-UED, Warren, MI 48397-5000, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A DISTRIBU
6、TIQNIATEUNXA- unlimited. Approved for public release; distribution is I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62832H 23 9999906 0479070 9 M II - III IV MIL-T-62032H 4. TABLE I. Yehicleatia. 2,400 2,400 4,000 1,200 1,200 2,000 2,400 2,
7、400 4,000 I Type1 Body description IClass 1 Size IModell 6x4 6x6 6x4 4x2 4x4 4x2 6x4 6x6 6x4 I Aircraft dual fuel 36 servicing (2 compartment) Bulk haul 19 (single compartment) 28 34.5 44 50 Fuel servicing (single compartment) 2,400 6x4 1,200 4x2 2,000 4x2 2,400 6x4 2,400 6x6 4,000 6x4 16 19 19 28 3
8、4.5 44 50 1,000 1 , 200 1,200 2 , O00 2,400 2,400 4,000 4x2 4x2 4x4 4x2 6x4 6x6 6x4 v Aircraft fuel servicing I I 16 19 19 28 34.5 44 50 19 19 28 34.5 44 50 1,000 1,200 1,200 2 , O00 4x2 4x2 4x4 4x2 * 1.2.1 Class. The class of the vehicle shall be determined by minimum GW rating, as follows: Class C
9、JIEI 16 16,000 pounds 19 19,000 pounds 28 28,000 pounds 34.5 34,500 pounds 36 36,000 pounds 44 44,000 pounds 50 50,000 pounds 2 .ts Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-bZ032H 23 7777706 0477071 O MIL-T-62032H 1.2.2 Size. The size o
10、f the vehicle shall be determined by the capacity of the tank body, as follows: siz!2 1,000 1,000 gallons 1,200 1,200 gallons 2,000 2,000 gallons 2,400 2,400 gallons 4,000 4,000 gallons. 1.2.3 Model. The model of the vehicle shall be determined by the total number of wheels and the number of driving
11、 wheels, as follows: a. Model iihee1.s adwhee1.s u 4x2 4x2 4x4 4x4 6x4 6x4 6x6 6x6. 2. APPLICABLE WCUMENTS 2.1 Governriient- e (2) Engine thermostat * (b) Not less than 22 watts per quart heating capacity Not more than 18 watts per square inch heating capacity 14 “1 i 1 Provided by IHSNot for Resale
12、No reproduction or networking permitted without license from IHS-,-,-MIL-T-b2032H 23 E 9797906 0479083 7 W MI L-T-62032H I (3) Thermal balance design or thermostat control providing for uninterrupted operation (4) Provision for mounting below minimum service oil level. Battery heater shall have a ca
13、pacity to maintain the battery electrolyte at a temperature of not less than 100F during vehicle exposure to ambient air temperatures as low as minus 600F, and shall embody a thermostat to limit the temperature of the electrolyte to not more than 8OF A fuel warmer or preheater shall be provided on d
14、iesel engine driven vehicles to prevent clogging of fuel filters due to wax crystallization in the fuel. coolant to transfer sufficient heat to the diesel fuel to heat it from an inlet temperature of minus 40oF to an outlet temperature of plus 9oF, with a flow rate not less than the maximum fuel dem
15、and of the engine fuel system. provided for the coolant inlet side of the fuel warmer unit. The fuel warmer shall use engine A coolant shutoff valve shall be 3.4.2 Electrical Rvstemg . Electrical systems shall be in accordance with Federal Motor Carrier Safety Regulations 393.27 through 393.31 and 3
16、93.33 - * 3.4.2.1 Starting sv.stem (diesell . For diesel engine driven vehicles, a 12- or 24-volt direct current (dc) starting system with 12-volt lighting system. glow plug or grid heater. plug or grid heater, it shall be of the measured shot type. shot type ether system shall be key operated or ma
17、nually operated from the drivers compartment and shall be inoperative with the engine warm. Complete provisions for a replaceable ether reservoir of not less than 12 fluid ounces shall be furnished. A reservoir need not be furnished. Engine starting equipment shall include an ether starting system,
18、If an ether system is furnished in lieu of a glow The measured O . For gasoline engine driven * 3.4.2.2 Igrujann system (t%udhcl vehicles, a 12-volt dc ignition system shall be furnished. * 3.4.2.3 Alternatcrr. Unless otherwise specified (see 6.2) on diesel engine driven vehicles, a minimum 65-amper
19、e alternator shall be furnished. The alternator output with the engine at engine idle speed shall be not less than 45 amperes. Unless otherwise specified (see 6.2) on gasoline engine driven vehicles, an alternator of not less than 85 amperes rated capacity, and which provides not less than 45 ampere
20、s dc output at normal engine idle speed, shall be furnished. * 3.4.2.4 Lighihg. All vehicle lights and reflectors shall conform to Federal Motor Carrier Safety Regulations 393.12, 393.19, 393.20 and 393.22 through 393,26(d). Lights and reflectors shall not be mounted on vertical surfaces of rub rail
21、s or on vehicle bumpers (unless recessed and fully protected). 15 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-bZ03ZH 23 H 9999906 0479084 9 E 1 Diesel (less than 220 Diesel (220 gross horsepower and over) Gaso 1 ine gross horsepower) MI L-T
22、-6203ZH 480 100 F * 3.4.2.5 . Turn signal lamps shall conform to SAE 5588. Operating units shall conform to SAE 5589 class A and shall be mounted on the steering column. 5588. visible and audible type flash indicator. Turn signal units shall be installed in accordance with Turn signal operating unit
23、s shall be of the self-cancelling type with 1,740 450 3.4.2.6 Patteries . Each battery shall be of 12-volt potential. The total reserve capacity rating and the total cold cranking rating at OoF, both measured in accordance with CAE 5537, shall be not less than specified in table VI. maintenance-free
24、 characteristics listed in W-B-131. The batteries shall be of the maintenance-free type having the TABLE VI. Batteriea. Engine type 1 , 200 .I 3.4.2.7 Radio interfierencr! sumre- . The vehicle shall be suppressed to limit electromagnetic radiation in accordance with SAE 5551. equipment emitting elec
25、tromagnetic radiation shall be suppressed to the same level as the vehicle chassis. Any body 3.4.3 Fuel svstem. The fuel system shall conform to Federal Motor Carrier Safety Regulations 393.65 and 393.67. 3-4.3-1 Bir clea - An air cleaner shall be furnished. * 3.4.3.2 -sis fuel - The chassis fuel ta
26、nk(s) shall have not less than50 gallons total capacity (43 gallons for vehicles destined for California). vehicles, means shall be provided to assure an equalized fuel level in both tanks. vehicles, a selector valve connecting either tank to the engine fuel intake shall be provided, and means shall
27、 be provided to monitor the fuel level of either tank from a single fuel gage; or an equalizing pump shall be used to maintain the same fuel level in both tanks. When more than one tank is furnished on diesel engine driven When more than one tank is furnished on gasoline engine driven 3.4.4 Exhauixb
28、xinity The liquid capacity of the tank shall conform to 1.2.2 for the specified size of vehicle, plus not less than 3 percent extra capacity for expansion. In addition, the height from the top of the liquid cargo to the bottom of the automatic vent(s), with the tank fully loaded and the liquid then
29、expanded 3 percent, shall be adequate to prevent any fluid from exiting frcm or being trapped in the automatic vent(s3 with the vent(s) open and the vehicle parked on a 5 percent grade, headed first up and then down the grade. * c 3.5.2 - The tank shall conform to 49 CR, sections 178.340 and 178.341
30、 of MC-306. The tank shall be fabricated of ty-pe 304 stainless steel in accordance with 49 CFR, section 178.340-3, except that mild steel, high strength low alloy steel, or combinations of these steels with austenitic stainless steel shall not be furnished. All tank filler openings and vents shall
31、be protected against overturn damage by a rigi member or members firmly fixed to the tank in accordance with paragraph 4-6.3 of NPPA No. 407 and 49 CFR, section 178.340-8. Adequate hold-down devices shall be provided to anchor the product fuel tank in a suitable manner that will not introduce an und
32、ue concentration of stresses, and shall withstand loadings in any direction, of a magnitude not less than the weight of the tank and attachments when filled with product fuel. Except for the welding of mild steel to stainless steel as permitted elsewhere herein, effective means shall be taken to imp
33、ede electrolytic action between all dissimilar metals used in the vehicle. Teflon packing and tape shall not be used on adjacent parts that are of aluminum content. The tank and all associated fittings, components and piping shall be free of all dirt, dust, loose scale and petroleum-soluble coating.
34、 0 * 3.5.3 Tank. The length of the tank shall be such as to give a load distribution proportional to the GAWRs of the front and rear axles of the chassis supplied, based on a product density of 7.2 powids per gallon. The tank shall have a low silhouette, elliptical, or modified rectangular cross-sec
35、tion, with the top edge of the roll-over rail within 6 inches of the height of the cab roof. * 3.5.4 Baffles. Where the provisions of 49 CR, section 178.340, would require circumferential reinforcements, baffles shall be used in lieu of ring stiffeners. A half round or full round opening of not less
36、 than 3-inch radius shall be provided at the bottom of the baffles. baffles. also shall be provided at the 3 oclock and 9 oclock positions of the Baffles shall be flanged and dished. Openings of equivalent size shall be provided at the top of the Half round or full round openings of not less than 1
37、inch radius 25 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-b2032H 23 7797706 0479074 I MIL-T-6203LH baffles. diameter manway opening. flange of approximately 1 inch. shall be not less than 80 percent of the cross-sectional area of the tank.
38、 Each baffle shall also be provided with not less than an 18-inch The edges of the manway openings shall have a The cross-sectional area of each baffle . The heads and baffles, (and for two 3.5.5 Flangiw and dishing a. compartment tanks, the bulkheqd) shall be uniformly flanged and uniformly dished.
39、 step, die press operation. Heads and baffles shall be dished by uniform hydraulic or uniform air pressure or by a one step, die press operation. Neither the flanging or dishing operations shall involve repeated hammer blows, either manually or automatically. Flanges shall be formed by a multi-pass
40、roller operation or by a one 3.5.6 b. A sump shall be provided at the lowest point of the tank to allow the accumulation of solid contaminants and water. The tank shall be so designed khat water will drain into the sump and will not be trapped by the baffles or stand in pockets. A sump drain valve n
41、ot less than 1 inch in size, with remote control and extended drain line, shall be provided. sump drain shall be protected against flying objects and snall be easily accessible for maintenance. The 3.5.7 . The tank, without fuel, shall withstand an internal static air pressure of at least 5 pounds p
42、er square inch gage (psigj without evidence of leakage, in accordance with paragraph 4-10.1 of NFPA ho. 407. 3.5.8 TankErt. Full length box type, V-type, or 2-type longitudinal subframe members shall be furnished. of not less than 12 gage (0.1046 inch), type 304 stainless steel shall extend not less
43、 than 1 inch beyond the flanges on the longitudinal subframe members and shall be continuously welded to the tank proper. Box type longitudinal subframe members shall be fabricated with not less than a 7 gage (0.1793 inch) mild steel outer leg and bottom, with not less than a 12 gage (0.1046 inch) m
44、ild steel inner leg. A flange not less than 1 inch wide shali be provided at the top of both the outer and inner legs. continuously welded to the pad over the full length of the tank. V-type longitudinal subframe members shall be fabricated with not less than 7 gage (0.1793 inch) mild steel inner an
45、d outer legs. wide shall be provided at the top of both the inner and outer legs. shall be continuously welded to the pad over the full length of the tank. 2-type longitudinal subframe members shall be fabricated entirely of not less than 7 gage (O. 1793 inch) mild steel. be not less than 2 inches a
46、nd shall be continuously welded to the pad over the full length of the tank along both sides of the 2. construction, additional type 304 stainless steel pads shall be continuously welded to the tank proper at the front, rear, at each bulkheau and at each baffle. Bolsters of 3/16 inch mild steel shal
47、l be properly integrated with the 2-type longitudinals and continuously welded to the pads at the front, rear, at each bulkhead and at each baffle. Full length welding pads Flanges shall Ge A flange not less than 1 inch Flanges The width of the upper 2-member shall With the 2-type 26 Provided by IHS
48、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-b2032H 23 m 999990b 0479095 3 m - MIL-T-62032H * 3.5.9 Manholes. Each compartment of the tank shall be equipped with a round manhole opening not less than 19 inches in diameter. A lightweight, liquid-tight, easy
49、 opening manhole cover or a bolted cover with a liquid- tight easy opening fill cover not less than 10 inches in diameter shall be supplied. The manhole shall be fully compatible with the use of a Parker- Hannifin Model P428A vapor-recovery adapter cover (to be in place only when top-loading). deterioration from contact with the product fuel. Normal breathing venting may be incorporated into the manhole cover (see 3.5.11). If the cover is hin
