MIL-DTL-62460E
3.3.2 Weight. The dry weight of the steer shall be 590 +18 kilograms (kg) nominal
(see 4.6.2).
3.4 Performance requirements. Steer unit assemblies shall meet the performance
requirements of 3.4.1 through 3.6 when subjected to the performance tests of 4.6.3.1 through
4.6.3.10.
3.4.1 Functioning ability. All steer unit shift, steer, and brake positions shall function
properly as specified herein without excessive noise, drag, vibration or other indications of
malfunction (see 4.6.3.1 and 4.6.3.10).
3.4.2 External leakage. External leakage from the steer unit shall not have any evidence
of fluid beyond a seal or joint that results in the formation of a droplet (see 4.6.3.1 through
4.3.6.10).
3.4.3 Lube regulator. The relationship between the input flow rate in liters per minute
(L/min) at lube port L versus the oil pressure in kilopascals (kPa) at lube port L shall be as
specified in table I (see 4.6.3.2).
TABLE I. Lube regulator pressure versus flow.
Input flow into
Pressure at
lube port L
lube port L
Item
L/min
L/min
A
** 27 Max allowed
* 35 +7
B
** 46 Max allowed
* 138 +7
C
* 53 +2
** 206 +34
D
* 76 +2
Pressure of test item D not
to exceed actual pressure
reading of test item C by
more than 35 kPa
NOTE: *Predetermined value to be applied in test. **Required test results.
3.4.4 Lube oil system. The pressure at each of the six lube test ports (see figures 3A
and 3B) shall be within 41 kPa of the pressure at lube port L for each case specified for each of
the following:
a.
At 0 revolutions per minute (rpm) input speed: per 3.4.3 and 4.6.3.2.
b.
At low rpm input speed: per 3.4.7, 4.6.3.b.3, and 4.6.3.4.b.
c.
At high rpm input speed: per 3.4.12, table IV and V, and 4.6.3.7.
d.
At 750 rpm reverse, counterclockwise (CCW), input speed: per 3.4.18.3,
tables IV and V, and 4.6.3.7.
3
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