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|  MIL-H-62185(AT)
3.4.12 Repair welding. Repair welding of any type or class shall be made only when, and to
the extent, specifically authorized by the procuring activity.
3.4.13 Stowed equipment. All on vehicle equipment (OVE) items shall be stowed (combat
loaded) on the vehicle in spaces provided.
3.5 Break-in run.
3.5.1 Preparation. Prior to break-in run, the vehicle shall be completely assembled and all
adjustments completed. The vehicle, including all components requiring lubrication shall be
lubricated as specified in production lubrication chart shown on EPL 10941625. The vehicle shall
be supplied with fuel conforming to Grade DF 2 of VV-F-800.
3.5.2 Oil pressure and temperature. Prior to the start of the break-in run, the engine shall be
operated at 750 to 1000 revolutions per minute (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 break-in run. Proper
oil pressure and temperature shall be maintained during operation on level ground, 60 percent
grades and 40 percent side slope.
3.5.3 Distance operated. Prior to tests, each vehicle shall be given a break-in run on smooth,
level, hard-surfaced roads, except a section of the road shall be as shown in figure 1. The vehicle
shall be operated as specified in table II and over the section of road shown in figure 1, in "a" and
"b" division of the break-in run in both directions for the purpose of observing the function and
performance of various parts, assemblies controls, and suspension system.
Table II. Speeds and Distance for Break-in Run
Division
Speed
Distance
of run
M.P.H
Miles
a
0 to 10
10
b
11 to 20
25
c
21 to 30
5
3.5.4 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 or simulated operation in skid-type dynamometer at speeds
between 5 and 15 mph.
3.5.5 Condition after run. After completion of the break-in run, or simulated break-in run,
the engine shall idle smoothly. Prior to vehicle being submitted to the Government for
acceptance, all suspension wheel bearings shall be checked to determine if adjustments are correct
and readjusted as required. There shall be no defects indicative of damaged components, or
maladjustments that may cause faulty vehicle operation.
6
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