MIL-T-45379 Tank, Combat, Full-Tracked, 105 Mm Gun, M60A3-TtsThis specification establishes the construction, performance and inspection requirements for M60A3 full-tracked combat tank equipped with a Tank Thermal Sight TTS.

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MIL-T-45379D(AT)

a.   Preparation.  Prior to 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 vehicle shall be completely assembled and all adjustments completed. Vehicle, including all applicable components requiring lubrication, shall be lubricated in accordance with Production Lubrication Chart.  Engine oil conforming to the applicable seasonal grade of MIL-L-45199 shall be used.  Specific applications by grades or types for various expected seasonal temperature ranges shall be specified. Fuel/water separator and primary fuel filter shall be bled of air by removing each respective bleed plug and operating the in-tank fuel pump.  After air is bled, replace the bleed plugs.

b.   Oil pressure and temperature.  Prior to the start of the break-in run, the engine shall be operated at 800 to 1200 rpm until lubricating oil is at operating pressure and temperature.  If at any time during the break-in run the engine has been stopped for at least 30 minutes, the engine shall again be operated, as above, before continuing the break-in run.  Proper oil pressure and temperature shall be maintained during

operation on level ground, 60 percent grades and 30 percent side slopes.

c.   Operation and distance.  Each vehicle shall be given a break-in run for the distances specified in table III on smooth, level, hard-surfaced roads.  The vehicle shall be operated over the undulating section of the road (see figures 3and 4) during a.  and b. divisions of the break-in run in both directions.  The vehicle shall be operated in the power mode only during a., b., c., and d. divisions of the break-in run with the turret azimuth lock engaged.

TABLE III.  Speeds and distances for break-in run.

d.   Reverse operation.  After each division of the break-in run, vehicle shall be stopped, the engine allowed to idle for not less than 2 minutes, and the vehicle driven in reverse for a distance of not less than 50 feet (ft) at speeds between 2 and 7 miles per hour (mph).

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