1、i 1- ii 1. SCOPE 1.1 Scope. This specification covers one type of full-tracked, armored combat vehicle, which mounts a 105MM gun as the primary weapon. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the following specific
2、ations, standards, and handbooks of the issue Listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) Specified in the solicitation form a part of this specification to the extent specified herein. 1 July 1985 SUPERSEDING (see 6.7) MILITARY SPECIFICATION TANK
3、, COMBAT, FULL-TRACKED: 105MM GUN, M48A5 This specification is approved for use by US Army Tank-Automotive Command, Department of the Army, and is available for use by all Departments and Agencies of the Department of Defense. Beneficial comments (recommendations, additions, deletions) and any perti
4、nent data which may be of use in improving this document should be addressed to: US Army Tank-Automotive Command, ATTN: AMSTA-GSS, 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. FSC
5、2350 DISTRIRUTION STATEMENT A. Approved for public release; distribution is unlimited. I THIS DOCUMENT CONTAINS 66 PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62222 23 m 7777706 0203772 O MIL-T-62222(AT) SPECIFICATIONS FEDERAL TT-E-52
6、7 W-F-800 MILITARY MIL-L-2104 MIL-E-52798 MIL-T-62050 - Enamel, Alkyd, Lusterless. - Fuel Oil, Diesel. - Lubricating Oil, Internal Combustion Engine, Tactical Services. - Enamel, Alkyd, Camouflage. - Tank, Combat, Full Tracked; 105MM Gun, M48A5, Processing for Stowage and Shipment of. L STANDARDS FE
7、DERAL FED-STD-595 MEL I TARY MIL-STD-105 MIL-STD-193 MIL-STD-4 6 1 MIL-STD-462 MIL-STD-810 MIL-STD-1474 - Colors. - Sampling Procedures and Tables for - Painting Procedures Tactical Vehicles - Electromagnettc Interference Inspection by Attributes. (Tracked and Wheeled). Characteristics, Requirements
8、 for Equipment, Subsystem and System. characteristics, Measurement of. - Electromagnetic Interference - Environmental Test Methods. - Noise Limits for Army Materiel. 2.1.2 Other Government documents, drawings, and piiblications. The following documents, drawings, and publications form a part of this
9、 specification to the extent specified herein. DRAWINGS ARMY 8736758 11655710 12270442 OTHER PUBLICATIONS 2-2-614 - Tank, Combat, Full-Tracked: 105MM Gun, - Conversion Kits M48A1 to M48A5 (M48A3El). - Balancing Procedure for Main Gun M485A5. Combination System M48A5. - USA TECOM Material Test Proced
10、ure. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62222 23 77977Ob 0203773 2 I L 2.1.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification s
11、hall take precedence. (Copies of specifications, standards, handbooks, drawings, and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 3. REQUIREMENTS 3.1 First article
12、. When specified (see 6.2), the contractor shall furnish vehicles which shall be subjected to first article inspection (see 4.4.1 and 6.2). First article inspection samples, properly marked with identifying information shall be representative of the unit to be furnished to the Government. All subseq
13、uent vehicles delivered to the Government shall conform to these samples in all of their pertinent physical and performance attributes. 3.2 Materials. Materials shall be as specified herein and in referenced specifications, standards, and drawings. Material shall be free from defects which adversely
14、 affect performance or serviceability of the finished product (see 4.6.1 and 6.6). 3.2.1 Ozone resistance. When rubber components are required to be ozone resistant, the degree of resistance shall be as specified in applicable specifications or drawings (see 4.6.1). 3.3 Design and construction. Vehi
15、cles, components, subassemblies and assemblies shall be manufactured and assembled into a complete vehicle in accordance with Drawing 11655710 and applicable specifications and documents. Vehicles shall meet all requirements specified herein and be of a quality that assures a vehicle free from defec
16、ts that would compromise, limit, or reduce its performance (see 4.6.1). 3.3.1 Qualified products. The contractor shall be responsible for using parts and assemblies from Qualified Products Lists (QPLs) whenever available. Contractors inspection records shall specifically list all QPL items by number
17、 and date of the QPL, name of supplier and part or drawing number(s). When parts and assemblies are approved as qualified products, but not yet listed on the QPL, the contractor shall list the products by number and date of the approved document and name of supplier(s) (see 4.6.1). 3.3.2 Break-in ru
18、n. The vehicle shall subjected-to a break-in run. The break-in run will include preliminary checks of suspension, controls, power pack, and provide wear-in for final adjustments. Prior to the break-in run will involve the following activities and conditions (see 4.6.1): e 3 Provided by IHSNot for Re
19、saleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-b2222 23 m 777790b 0203774 4 m a. Preparation. Prior to the break-in run, except for equipment and component installations and servicing performed by the contractor as a final processing of the vehicle for acceptance, the
20、 vehicle shall be completely assembled and all adjustments completed. The vehicle, including all applicable components requiring lubrication, shall be lubricated in accordance with production lubrication chart. shall be serviced with fuel conforming to applicable seasonal grades of VV-F-800. seasona
21、l grade of MIL-L-2104 may be used. applications by grades or types for various expected seasonal temperature ranges shall be specified. Fuel and water separator and the primary fuel filter shall be bled of air by removing each respective bleed plug and operating the in-tank fuel pumpa After air is b
22、led, replace the bleed plugs. The vehicle Engine oil conforming to the applicable Specific b, O11 pressure and temperature. Prior to the start of the break-in run, the engine shall be operated at 800 to 1200 revolutions per minuie (rpm) until lubricating oil is at operating pressure and temperature.
23、 break-in run the engine has been stopped for at least 30 minutes, the engine shall again be operated, as above, before continuing break-in run. Proper oil pressure and temperature shall be maintained during operation on level ground, 60 percent grades and 30 percent side slopes. If at any time duri
24、ng 3,3*2.1 Operation and distance. Each vehicle shall be given a break-in run for the distances specified in table I on smooth, level, hard-surfaced roads. (see figure 1) during “a“ and “b“ dlvisions of the break-in run in both directions (see 4.6.1). The vehicle shall be operated over the undulatin
25、g section of road 3-3.2.2 Reverse operation. After each division of the break-in run, the vehicle shall be stopped, the engine allowed to idle for not less than ten minutes, and the vehicle driven in reverse for a distance of not less than 50 feet at speeds between 2 and 7 miles per hour (mph) (see
26、4.6.1). 3.3.2.3 Condition after run. After completion of the break-in run, the engine shall idle between 700 and 750 rpm. Prior to vehicle heing submitted to the Government for acceptance, all suspension wheel bearings shall be checked to determine if adjustments are correct and readjusted, as requi
27、red. Track fasteners shall also be re-torqued (see 4.6.1). 3.3.3 Fordiw kit. When specified (see 6.2), the vehicle shall be furnished with a fording kit installed, providing a capability to ford a 96 inch water depth (see 4.6,l). 4 Provided by IHSNot for ResaleNo reproduction or networking permitted
28、 without license from IHS-,-,-TABLE I. Speeds and distances for break-in run. Speed mph Division of run a o to 10 b 11 to 15 C 16 to 20 d 21 to Max. Distance Test miles conditions 10 Track (road) 45 Track (road) 10 Track (road) 10 Track (road) 3.4 Physical characteristics. 3.4.1 Sealine. Unless othe
29、rwise sDecified. all seals and sealer shall prevent the entrance of water and foreign matter. Static seals shall provide an interference fit of sealing surfaces preventing the loss of leakage of fluids intended to contained by the seals. Dynamic seals shall prevent fluid leakage in the form of a dri
30、p (see 6.5.1) when the vehicle is standing idle. Evidence of lubricant at seals specifically designed to allow exit of flushed lubricants shall be permitted (see 4.6.2.1). 3.4.1.1 Hatch seals. Hatch seals shall prevent leakage of water into the crew compartment (see 4.6.2.1,l). 3.4.1.2 Vision device
31、 and receptacle seals. When installed, the drivers, gunners, and commanders periscopes shall be sealed to prevent any entry of water into the vehicle. not permit water entry in excess of a continuous drip (see 6.5.1) into the vehicle (see 4.6.2.1.1 and 4.6.2.1.2). The drivers infrared (IR) periscope
32、 shall a 3.4.2 Hydraulic lines. Provisions shall- be made to assure internal cleanliness of hydraulic lines and connections. connections shall be free from leakage in the form of a drip (see 6.5.1) (see Brake hydraulic lines and 4.6.3). 3.4.3 Ventilation system. 3.4.3.1 Vent blower. The vent blower
33、shall pressurize the air inside the occupied areas of the vehicle (see 4.6.4.1). 3.4.3.2 Carbon monoxide. The ventilation system shall prevent harmful accumulations of carbon monoxide (CO) in the occupied areas of the vehicle. The concentrations of CO shall not exceed the percentage levels as indica
34、ted below throughout the respective time periods specified in table II (see 4.6.4.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE II. Carbon monoxide concentration. I Percentage levels l Durat ion O. 6 o. 12 0.04 0.02 0.01 0.005 One minute
35、or less 1 to 5 minutes 5 to 15 minutes 15 to 30 minutes 30 to 60 minutes Over 60 minutes I 3.4.4 Controls. When installed in accordance with applicable drawings, all electrical, mechanical, and hydraulic controls shall operate without malfunction throughout all ranges of operation under all vehicle
36、operating conditions (see 4.6.5). 3.4.5 Adjustment mechanisms. When installed and adjusted in accordance with applicable drawings, all adjustment mechanisms shall function properly, and maintain adjustment settings during all vehicle operating conditions (see 4.6.6). 3.4.6 Vision devices and recepta
37、cles. Provisions shall be made to assure that receptacles incorporated on the vehicle will accept applicable vision devices without binding or interference. The gunners periscope receptacle shall accept the periscope, and when the periscope is installed, removed and reinstalled, the line of sight of
38、 the periscope shall not deviate more than 0.2 mil from the line of sight of initial installation (see 4.6.7). 3.4.7 Gas particuiate system. 3.4.7.1 Air flow. The air flow shall be not less than 3.0 cubic feet per minute (cfm) and not more than .4.5 cfm at each crew position outlet (see 4.6.8.1). 3.
39、4.8 Stowed equipment. The vehicle shall be capable of stowing all basic issue items (BII) in spaces provided, to assure that items do not interfere with operation of the vehicle and components in any manner (see 4.609). 3.4.9 Engine shroud. The space between the upper metal surface of the engine shr
40、oud and the top deck grille sealing surface shall be not lees than .82 nor more than 1.25 inches (see 4.6.10). 3.4.10 Cooling system. With the vehicle operating in an ambient temperature of 115 degrees Fahrenheit (OF), the engine oil temperature shall no exceed 250F at the heat exchanger outlet, and
41、 the transmission oil temperature shall not exceed 300F at the heat exchanger inlet (see 4.6.11 and 4.9.I). 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-62222 23 777770b 0203777 T 3.4.11 Fuel system. 3.4.11.1 Fuel tanks and lines. Provisio
42、ns shall be made to assure the internal cleanliness of the fuel tanks and lines prior to initial fueling of vehicle. The fuel tanks shall be free from leakage. The fuel tanks shall be capable of receiving 50 gallons of fuel per minute (see 4.6.12.1). 3.4.11.2 Intank fuel pumps. Each pump shall be ca
43、pable of producing a minimum.pressure of 5 pounds per square inch (psi) at the engine end of fuel line disconnect, under no-flow conditions (see 4.6.12.2). 1 3.4.11.3 Fuel return system. The fuel return selector valve shall divert fuel to the tanks as indicated by the pointer on top of the valve (se
44、e 4.6.12.3). 3.4.11.4 Fuel shutoff valve. The engine shall stop firing and rotating within a maximum of 30 seconds after the manual fuel shut-off valve is actuated to the “OFF“ position (see 4.6.12.4). 3.4.11.5 Throttle linkage. With the throttle linkage attached to engine and the throttle pedal dep
45、ressed to within a range of 0.12 to 0.62 inch of the pedal stop, the throttle shall be at full rack position. At the foregoing adjustment and with the throttle pedal depressed to the pedal stop, a minimum of 0.01 inch clearance shall remain at the engine throttle stop (see 4.6.12.5). 3.4.11.6 Fuel s
46、ystem, grades and slopes. During engine operation, the fuel system shall maintain a continuous fuel supply to the engine when ascending and descending 60 percent grades in forward and reverse gear, and when the vehicle is being operated on 30 percent side slopes, with either side of the vehicle up s
47、lope (see 4.6.12.6). 3.4. 3.4. driver s handle. position 4.6.13.1 2 Hatches. 2.1 Drivers hatch. The force required to breakaway and turn the hatch cover across the opening shall not exceed 30 pounds at the The force required to lock the drivers hatch cover in the closed shall not exceed 75 pounds at
48、 the end of the locking lever (see 3.4.12.2 Drivers escape hatch. The force required to operate the handle to release the drivers escape hatch latching mechanism shall be 50 10 pounds (lb) pull at a point 1/2 inch from the end of the handle. drivers escape hatch shall drop free of the hull when the
49、latching mechanism is released (see 4.6.13.2). The 3.4.12.3 Loaders hatch. The helper springs on outside of vehicle shall be set so when the loaders hatch is unlatched, it shall spring open 30 degrees from horizontal. The force required to close the hatch from the open 30 degree position shall not exceed 45 lb. force required to lock or unlock the hatch shall not exceed 20 lb (see 4.6.13.3). With the hatch fully closed, the O x 7 Provided by IHSNo
