Atlas 12AWFSL, Руководство по установке и эксплуатации

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Operation And Use 44 12AWFSL
8.7.1 To Lower Runways Manually
To lower the runways, proceed following the following procedures:
• Set the MAIN/JACK selector to “ ”;
• If the mechanical safeties are engaged, keep pushing the slider (3) of the
solenoid valve using a proper pin;
• Operate the emergency hand pump (1) to raise the runways a little bit to
clear off the mechanical safeties.
• Referring to the pneumatic diagram (Figure 17) to locate the solenoid air
valve for the runways, keep pressing the emergency button;
• Unloosen the emergency screw (2) of the lower solenoid valve by turning it
anticlockwise.
• Tightening or loosening the screw can reduce or increase the lowering speed;
• Keep pushing the slider (3) of the solenoid valve using a proper pin until
the runways are lowered completely;
• Re-tighten the emergency screw (2) by turning it clockwise after the
runways are lowered.
When a mechanical safety is released, it is advised to use a
carton board to put between the safety pawl and the rack to
avoid it from engaging. In this case, do not need to press the
emergency button continuously.
Tightening or loosening the screw can reduce or increase the
lowering speed.