MIL-DTL-62460E
3.4.5 Lube pump high pressure output. The steer unit shall produce a minimum of
552 kPa pressure to the high speed and low speed clutches at a maximum output shaft speed of
330 rpm (see 4.6.3.3 and 4.6.3.4).
3.4.6 Auxiliary regulator. The auxiliary regulator shall not allow clutch pressure to
exceed 862 kPa (see 4.6.3.3 and 4.6.3.4).
3.4.7 Lube pressure at low rpm. The pressure at lube at port L shall not be less than that
specified below (see 4.6.3.3.b.3 and 4.6.3.4.b).
a. In geared steer: 138 kPa minimum.
b. In clutch brake: 35 kPa minimum.
3.4.8 Auxiliary regulator pilot leakage and main check valve leakage. The combined
internal leakage past the auxiliary regulator pilot section and the main check valve shall not
exceed 3.8 L/min (see 4.6.3.3.b4 and 4.6.3.4.b).
3.4.9 Lube pump low pressure output. The steer unit lube pump shall produce the lube
pressures specified in table II (see 4.6.3.5).
TABLE II. Lube pump low pressure output.
Steer unit
Pressure at lube port L
Input shaft
kPa
Speed (rpm)
Geared steer
Clutch brake
500 +20
21 minimum
-----
1000 +40
----
7 minimum
1300 +50
206 +34
14 minimum
3.4.10 Clutch engagement. Output shaft speeds shall be as specified in table III
(see 4.6.3.6).
3.4.11 Clutch pressures versus steer lever positions. The relationships between clutch
pressures and steer lever positions shall be as specified in table IV for geared steer operations, and
as specified in table V for clutch brake operations (see 4.6.3.7).
3.4.12 Lube pressures versus steer lever positions. The pressure at lube port L shall not
be less than that specified in table IV for geared steer operations, or that specified in table V for
clutch brake operations (see 4.6.3.7).
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