MIL-DTL-62542C
90
70-
69
50
30
24
10
10K
100K
1M
10M
100M
1G
10G
100G
18G
Frequency (Hz)
FIGURE 2. Radiated emissions limit.
3.5 Ownership and support requirements.
3.5.1 BSLA lubrication. The BSLA ballnut and screw shall be lubricated with high load
carrying capacity grease. This grease shall be effective in the temperature ranges as specified
in 3.6.2.
3.5.1.1 Ballnut lubrication. The ballnut shall have an external zerk fitting which shall
permit the lubrication of the ballnut and screw assembly.
3.5.1.2 Lubricant leakage during operation. Actuator lubricant leakage past the external
ball screw nut, the manual override drive seal, or at other locations of the ball screw shall not
exceed three drops per hour. There shall be no (zero) leakage of lubricant into the drive motor.
This leakage requirement applies to all orientations of the BSLA when mounted on the
semitrailer. Damp spots created from acceptable leakage will not be cause for rejection.
3.5.1.3 Lubricant leakage during storage. There shall be no (zero) actuator lubricant
leakage from the BSLA during packaging, shipping, or storage of the BSLA in horizontal position
with pressure vent up, over a 24 hour period. Damp spots from accepted test procedure (ATP)
are not cause for rejection.
6
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