 |
|||
|
|
|||
| ||||||||||
|
|  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.
Speed
Distance
Division of run
mph
miles
Test conditions
A
0
to
10
10
Track (road)
B
11
to
15
15
Track (road)
C
16
to
20
10
Track (road)
D
21
to
Max.
10
Track (road)
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).
10
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals