Suggest you check the time delay relay and see if for some reason it is set on
the maximum delay period.
73,
Dave, K2DP
Sent from my iPhone
> On Apr 4, 2023, at 3:47 PM, Edward Finn <edfinn11@gmail.com> wrote:
>
> I have an hdx-572. It had a bad limit switch that prevented lowering but
> was jumped to bypass.
> I have the box schematic around here on a hard drive.
> I can also search to see where I got a new limit switch.
> Ed wa3drc
>
>> On Tue, Apr 4, 2023, 3:39 PM Andy Brinkley <nc4ab@nc4ab.com> wrote:
>>
>> Gene -
>>
>> Sounds like you have a power issue somewhere, possibly a limit switch that
>> has gotten water into it or water in the motor.
>> There have been several threads here describing how to shield the TEFC
>> motor on the HDX-555 from the elements.
>> The manual / schematic used to be on the US Tower website, if you can't
>> find it contact me direct and I will send you a drop box link to my copy.
>>
>> Also I have the manual crank handle here somewhere that came with my
>> HDX-555 that allows you to manually raise or lower the tower if you need to
>> borrow it.
>>
>>
>> Andy / NC4AB
>>
>>
>> -----Original Message-----
>> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
>> Gene Smar via TowerTalk
>> Sent: Tuesday, April 4, 2023 10:11 AM
>> To: Tower Talk <towertalk@contesting.com>
>> Subject: [TowerTalk] Fw: [MARC-MD] US-Towers HDX 555 stuck up. Help anyone?
>>
>> TT:
>> Can someone help Bruce with his crank-up question? Please reply to
>> him and not me. Many thanks.
>> 73 deGene Smar AD3F
>>
>> Sent from my Radio Shack TRS-80 model 100 laptop
>>
>> ----- Forwarded Message ----- From: "euntermeyerbbaskett via MARC-MD" <
>> marc-md@marcclub.org> To: "MARC Amateur Radio Club" <marc-md@marcclub.org>
>> Cc: Sent: Mon, Apr 3, 2023 at 5:54 PM Subject: [MARC-MD] US-Towers HDX 555
>> stuck up. Help anyone?
>> I am looking at an HDX 555 tower and lifter of a friend of mine who is
>> blind. It is fully extended up. There is no noise from the motor. After
>> some other basic trouble shooting, I checked the motor's start capacitor,
>> and it seems OK. Makes a nice big spark when shorted. There is an indoor
>> controller, and at the tower's service panel one of several relays can be
>> heard when toggle switch for down is thrown (indoor or
>> out.)Ideas/experiences? What is next? Any help or suggestions would be very
>> appreciated. I have not found or seen any service manuals. Please write me
>> at my arrl.net address.Thanks, 73, ~ Bruce K3BAB
>>
>> Sent from my Galaxy
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>>
>> _______________________________________________
>>
>>
>>
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