REFLECTOR: pressure switch

[Michael Watson via Reflector]

I've also had that problem for a while. I tried adjusting the pressure
valve but the problem still
continued. Two years ago, Velocity added a push switch to the panel under
the gear switch.
The switch is wired from B+ (12 volts) directly to the down relay. When the
lever is placed
in the down position, If the blue run light does not come on, momentarily
pushing the switch
starts the motor and the gear comes down. I also installed a gear down
warning system which
alarms through the headset if indicated speed is under 90 KIAS and the gear
is not down.

Contact Scott at Velocity, he should have a wiring diagram that you can
use.



On Mon, Dec 1, 2014 at 10:40 AM, via Reflector <reflector at tvbf.org> wrote:

> Good morning all,
>
> Quick post to the group, has anyone out there had an issue with the
> landing gear pump not functioning on occasion when the gear is put in the
> "gear down" position? I am wondering if it is an adjustment problem on my
> "up" pressure switch. Some times when I try to put the gear down, the pump
> will come on momentarily and then turn off. I then have to pull the
> pressure relief handle (emergency gear down) and the pump will come on. I
> then move the emergency handle back to closed and gear come down normally.
> This has always been there as an anomaly, but seems to be getting worse as
> I progress into flight testing.
>
> Kevin Metzler
> N133SV
>
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