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Bobs Ten
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Date:  1-6-2020
Number of Hours:  2.90
Manual Reference:  
Brief Description:  Install Instrument Panel

1530 - 1824

I decided to upgrade the engine start switch. The new switsh is 28 mm and better proportioned to the panel. It also has an LED ring. The way the aircraft is now wired, the start button recieves power from the J10-1 pin from the VPX any time the VPX is powered. As discussed previously, I changed the logic slightly for safety sake. The final wiring will not provide power to the button until the key switch is activated. As a visual indication of this logic, the new button's LED ring is connected such that it will glow only when there is active power at the button. This was a simple change and the new button was connected, using standard techniques, with a Deutsch connector.

All wiring was then bundled and tie wrapped.

The new button was then installed in the CF panel. The switch and retaining nut were also secured using a small amount of E600 adhesive. This will prevent loosening and rotation of the switch under vibration.
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