REFLECTOR:RG Pressure Switches

[Ronnie Brown]

(I changed the subject - thanks for reminding us Greg!!!!)

While we are talking about pressure switches, is anyone having problems with
the up pressure switch chattering - i.e., pump cutting on and off repeatedly
as the gear is being retracted.  Duane says just increase the setting until
it quits.  I have adjusted my high side/up pressure switch several times but
the problem persists.  I guess I need to put the gauge back on it and see
just how high the setting is now.

Ronnie Brown
173 Elite RG



----- Original Message -----
From: "Jack Sheehan" <j.f.sheehan@larc.nasa.gov>
To: <reflector@tvbf.org>
Sent: Thursday, April 08, 2004 10:46 AM
Subject: Re: REFLECTOR:Follow up on my bad landing


| Could you explain what you mean by "Hung Up"? I have experienced the
| problem of placing the gear switch in the down position and nothing
| happening. The problem can be resolved by pushing the reset button.
| Do not push the reset button with the switch in the up position. I
| discussed the problem with Scott Swing and the explanation about the
| high and low pressure seems correct the system can bleed pressure to
| the other side. therefore when you place the switch in the down
| position the pressure switch already thinks the gear is in the down
| position. The pressure switches have adjustment screws on the top. I
| adjusted the pressure by about a 1/4 turn of the screw for the down
| switch ( which is the outboard switch or the switch closer to the
| fuselage) It was OK for a while then it did it again so another 1/4
| turn. It has been fine since.
| Having had this problem I can not put the gear switch down without
| wondering if it is going to work therefore I pay particular attention
| to the lights
| Sorry for your mishap and hope you get back flying soon
|
| Jack
| N55XL
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