[TowerTalk] HDx89MDPL winch motor stopped eorking

[Robert Harmon]

Dick,
We have all been there at one time or another.  One of my beauties was when I smoked the finals in my linear,
but that is another story. :)     I'm happy you discovered the malady. 

73,
Bob
K6UJ



 
On Jan 26, 2011, at 11:01 AM, Dick Dievendorff wrote:

> I want to thank all the people that offered advice, particularly W3TX who
> observed that if it stopped "eorking" I should ask for advice from Winnie
> the Pooh. Fat fingers on the iPhone and too little proofreading...
> 
> I have used an extension cord rather than permanently wiring the tower into
> an electric circuit.  This morning I plugged the cord in, used my trusty DVM
> to measure the voltage at the outlet, saw 0.0V.  Pressed the red button on
> the GFI breaker and read 120V.  Went out to the tower, flipped the switch,
> and it descended normally under electric power.
> 
> As with many of these things, once you know the cause, you feel a bit like a
> dunce.  I was fooled into thinking that the outlet was live by looking at
> the sprinkler control plugged into the same GFI outlet, but its display was
> apparently working from a backup battery of some sort.
> 
> 73 de Dick, K6KR
> 
> 
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com] On Behalf Of Dick Dievendorff
> Sent: Monday, January 17, 2011 10:51 AM
> To: Robert Harmon
> Cc: towertalk reflector
> Subject: Re: [TowerTalk] HDx89MDPL winch motor stopped eorking
> 
> What I have heard so far is:
> 
> 1) I can get the tower down by removing the safety guard and the v belt and
> turn the wheel by hand. It will take a long time to do this. Down is much
> easier than up. Be careful. Take rests. Halfway down gives me a lot of
> strength. 
> 
> 2) US Towers sells a crank. It takes a long time. I plan to call them on
> Tuesday fir suggestions. 
> 
> 3) this doesn't sound like a motor capacitor failure, which would be
> noisier. There are a couple of socketed timing relays that I should try
> swapping
> 
> I'm away until Wednesday morning, and I'll start on this then. I'll let you
> all know what I learn. 
> 
> 73 de Dick, K6KR
> 
> On Jan 17, 2011, at 10:22, Robert Harmon <k6uj at pacbell.net> wrote:
> 
>> Dick,
>> I have a HDX589MDPL also.  I am very interested in what you find.  
>> Please keep us advised.  I believe these towers have a worm reduction 
>> gearbox and we can crank the the pulley wheel on the gearbox around by 
>> hand to raise and lower it.  I haven't yet had to do this with mine, 
>> anybody on the forum done this with their HDX ?
>> 
>> Bob
>> K6UJ
>> 
>> 
>> 
>> On Jan 17, 2011, at 9:34 AM, Richard (Rick) Karlquist wrote:
>> 
>>> Try swapping the time delay relays to see if the down relay went bad.  
>>> They are socketed.
>>> These are low reliability components.
>>> 
>>> "nothing happens" isn't the capacitor.  If that goes, the motor will 
>>> make a lot of noise and not move.
>>> 
>>> Rick N6RK
>>> 
>>> On 1/17/2011 7:58 AM, Dick Dievendorff wrote:
>>>>> I went out on Friday afternoon to lower the tower. Nothing happened 
>>>>> when I flipped the switch. I checked the plug and GFI breaker, it 
>>>>> seems to have juice
>>>>> 
>>>>> I plan to return in Tuesday and begin diagnosis. I'll check for AC
> power at the outlet, and inside the box mounted on the tower. Beyond that
> I'm in new territory. Motor start capacitor? How does one test that?
>>>>> How would I go about bringing the tower down at least partway manually?
>>>> 
>>>> Dick, K6KR
>>>> 
>>>> _______________________________________________
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>>>> 
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