WTB PS1100 SUCO pressure switches

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WTB PS1100 SUCO pressure switches

Postby Daniel Cahill » Mon Nov 16, 2020 1:01 pm

Need a PS1100 grounded until I get one. This is the high pressure switch for the landing gear hydraulic system.
Thanks Dan

Up date Brian mailed a switch to me today!! Thanks to everyone!
Last edited by Daniel Cahill on Tue Nov 17, 2020 5:38 pm, edited 2 times in total.
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Re: WTB PS1100

Postby Paul Miller » Mon Nov 16, 2020 2:50 pm

I am embarrassed to ask but what is a PS1100 cause I might have one and not know it. I have a feeling I'm not the only one. Please be more descriptive so we can help lift you from the grounded state you are in.
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Re: WTB PS1100

Postby Daniel Cahill » Mon Nov 16, 2020 4:22 pm

the part is the pressure sensor for the hydraulic system. That part number came from the Lancair site which states they are sold out. I did contact them and they told me they were getting a shipment in last Thursday and would send me one. I called this morning and they are now saying they do not know when they will have them. Very frustrating!! I'm a New Lancair IV owner and would love to be flying not trying to source a simple pressure switch. Any help or alternate solutions would be great.

Greatly anticipating your Responses:)
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Re: WTB PS1100

Postby Steve Cantarutti » Mon Nov 16, 2020 4:50 pm

Ah yes, that was the old part number for the pressure switch, made by a different company if I recall. It didn't seem as reliable as the Suco.
See this thread:
viewtopic.php?f=10&t=7073

Do you need the low pressure or the high pressure switch?
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Re: WTB PS1100

Postby Daniel Cahill » Mon Nov 16, 2020 6:11 pm

I need a high-pressure switch. I am willing to pay for overnight shipping and whatever the cost if someone has one. I really am thankful for the responses it's giving me hope that I can get this in and get the plane off the ground.
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Re: WTB PS1100

Postby LancairTalk Sales » Mon Nov 16, 2020 6:27 pm

That PS1100 number is a inhouse number that does not help with real world switch ordering. We need the switch part number off your actual switch or the cross-reference. I have 30 Suco high and low switches on order for the group going forward but not delivered until December 2020. Hopefully someone here has one for you Daniel.

As a group, we have to understand that we need to work together to ensure parts availability for these types of items. For many things, we are on our own. If you are ordering something that someone can use in the future, think about ordering more than one or collaborate here or PM me so we minimize these needless delays.

We can warehouse a lot of items as a group but many items need to be batched for cost or bought ahead of time to avoid expensive assets sitting on the ground. Some manufacturers don't understand that airplanes are meant to fly. An $80 switch should not be an AOG issue and it is really a bad sign that we can order these things and apparently the mothership can't.

Let's get the switch p/n verified and replaced please.
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Re: WTB PS1100

Postby Steve Cantarutti » Mon Nov 16, 2020 6:33 pm

Dan

I have one spare Suko low pressure switch, but am currently out of the Suko high pressure switch. The one I have is part number 0166 416 04-3-064 - the low pressure one...
Paul has ordered more but it will be the end of December before he has them he said. In the meantime, I do have a couple of the ones from mcmaster carr here: viewtopic.php?f=9&t=2600&start=10#p17119 They are at my home in Tennessee and I am out of state until this weekend. They are larger, I think 1/4 npt instead of the 1/8 npt you currently have (I suspect). If you want one or both of them, let me know and I can ship them this weekend. I would just ask for the listed price plus whatever shipping you choose.
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Re: WTB PS1100

Postby Paul Miller » Mon Nov 16, 2020 6:41 pm

Whatever choice is made, please use jacks and test thoroughly on jacks. And verify the switch is the issue with an ohmeter to rule out wiring or some other problem.
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Re: WTB PS1100

Postby Brian Campbell » Mon Nov 16, 2020 8:42 pm

Dan:
I believe I have one. Will check tomorrow.
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Re: WTB PS1100

Postby Christopher Toscas » Tue Nov 17, 2020 4:40 am

Paul is right, I think you checked already.
Pressure switch is dead or not any more reliable?
It's subject to get worn by current needed for gear solenoid, 2A@24VDC which is more than pressure switch design current 500mA.
If it still works but gear pump is ON/OFF not steady, one tip with wiring diagram is described at the end of previous post
viewtopic.php?f=9&t=5116
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