Towertalk
[Top] [All Lists]

Re: [TowerTalk] Adjustment of the Fulton K1550 winch clutch

To: Dino Darling <dino@k6rix.com>
Subject: Re: [TowerTalk] Adjustment of the Fulton K1550 winch clutch
From: Joe - WDØM <joe@wd0m.com>
Reply-to: joe@wd0m.com
Date: Fri, 04 Apr 2008 14:19:07 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
Hi Dino

You bet - anything to help the cause. 

joe@wd0m.com

73

Joe


Dino Darling wrote:
> Joe, great job!
>
> The TX455 Bob (AA6PW) owns is at least 15 years old and has a 
> different bracket than yours.  The K2550 was a direct bolt on that 
> only required a couple of washers to space it out, and flipping the 
> spool bolt around so the head of the bolt went towards the tower, 
> giving us the necessary clearance.  Bob's tower hints at its Tristao 
> lineage.
>
> I'd like to snap a few pictures and with your permission, add them to 
> your site as another approach for an older TX455.  Let me know if this 
> meets your approval.
>
> Dino - K6RIX
> dino@k6rix.com <mailto:dino@k6rix.com>
>
>     -------- Original Message --------
>     Subject: Re: [TowerTalk] Adjustment of the Fulton K1550 winch clutch
>     From: Joe_-_WDØM <joe@wd0m.com>
>     Date: Fri, April 04, 2008 7:01 am
>     To: towertalk <towertalk@contesting.com>
>     Cc: ehekman@cox.net <mailto:ehekman@cox.net>
>
>     I also replaced the Fulton K1550 with a K2550 and really enjoy the
>     difference. It's MUCH easier to crank up the tower. Replacement was
>     fairly easy. There's a "how to" illustrated page on my web site if
>     you
>     care to check it out before making your decision.
>
>     http://www.wd0m.com
>
>     Click on "Ham Radio", then "Fulton K2550 on TX455".
>
>     73
>
>     -- 
>     Joe Hannigan - WDØM
>     Pagosa Springs, CO
>
>     http://www.WD0M.com
>     http://www.pagosarocks.com
>     http://www.quiltqueen.net
>
>
>
>     Dino Darling wrote:
>     > Having just gone through a 1550 FAILURE on a TX-455 tower, I don't
>     > recommend trying to fix the winch. A new one is much cheaper than
>     > repairing the tower and antennas!
>     >
>     > We (AA6PW and I) replaced the K1550 with a K2550. More cranks,
>     but much
>     > easier to raise! It was almost a direct bolt on. It required a
>     couple
>     > of small modifications to make work (add washers as spacers and
>     turn the
>     > spool bolt around).
>     >
>     > Dino - K6RIX
>     > dino@k6rix.com <http://email.secureserver.net/pcompose.php#Compose>
>     >
>     > -------- Original Message --------
>     > Subject: RE: [TowerTalk] Adjustment of the Fulton K1550 winch clutch
>     > From: "Ed" <ehekman@cox.net
>     <http://email.secureserver.net/pcompose.php#Compose>>
>     > Date: Thu, April 03, 2008 11:48 pm
>     > To: "'Dino Darling'" <dino@k6rix.com
>     <http://email.secureserver.net/pcompose.php#Compose>>
>     > Cc: <towertalk@contesting.com
>     <http://email.secureserver.net/pcompose.php#Compose>>
>     >
>     > Dino,
>     >
>     > Thanks for the detailed explanation of how it works. To be a
>     little more
>     > clear, I should explain that the crank/clutch shaft has been
>     bent and
>     > may
>     > require replacement or at least straightening and inspection and
>     > reassembly.
>     > It sounds like the adjustment is not very critical. I will do some
>     > experimenting with it to see how critical the adjustment is.
>     >
>     > Ed
>     > WB6YTE
>     >
>     > -----Original Message-----
>     > From: Dino Darling [mailto:dino@k6rix.com
>     <http://email.secureserver.net/pcompose.php#Compose>]
>     > Sent: Thursday, April 03, 2008 9:04 AM
>     > To: ehekman@cox.net
>     <http://email.secureserver.net/pcompose.php#Compose>
>     > Cc: towertalk@contesting.com
>     <http://email.secureserver.net/pcompose.php#Compose>
>     > Subject: RE: [TowerTalk] Adjustment of the Fulton K1550 winch clutch
>     >
>     > The clutch plate is actually on a screw or for lack of a better
>     > description, is SELF ADJUSTING.
>     >
>     > The spool is attached to one side of the clutch pack via a gear
>     on one
>     > end. The other side of the clutch pack is secured to a cog. The
>     crank
>     > shaft is threaded with the spool clutch pack. The weight of the
>     tower
>     > is trying to unspool the cable off the spool. The spool rotates and
>     > spins the spool clutch pack on the threaded shaft, tighter
>     against the
>     > stationary cog pack until it stops. As the clutch material wears, it
>     > will screw farther onto the threaded shaft.
>     >
>     > When you lower the antenna, the cog holds one end of the clutch pack
>     > stationary. The spool pack is being unscrewed (loosened),
>     allowing the
>     > spool to rotate. Since the spool is constantly trying to spin
>     the pack
>     > (tighten) until it stops, as soon as you stop turning the
>     handle, the
>     > spool stops.
>     >
>     > When you raise the tower, the clutch pack is tight and the whole
>     > assembly ratchets over the cog.
>     >
>     > If you lower your tower all the way down and take the weight off
>     of the
>     > cable and spool, you can actually rotate the spool by hand and
>     really
>     > see what the spool pack does. Play with it, you won't hurt it. Under
>     > normal use, you can't see the loosing and tightening effect of
>     the spool
>     > pack because of the minimal movement.
>     >
>     > DO NOT ADJUST ANYTHING! It is SELF ADJUSTING. Lube your cables and
>     > bushings once a year as a minimum!
>     >
>     > Dino - K6RIX
>     > dino@k6rix.com <http://email.secureserver.net/pcompose.php#Compose>
>     >
>     > The tower came with a K1550 winch. I understand that this winch
>     uses a
>     > clutch to lock the winch when the tower is extended. I
>     understand also
>     > that
>     > the clutch should be automatically released when the handle is
>     turned to
>     > raise the tower and the clutch is engaged by the cable tension
>     from the
>     > weight of the upper tower sections. There are two nuts on the clutch
>     > shaft
>     > that set the clutch pad spacing or pressure. I know that the
>     manual says
>     > clearly not to adjust these however on this winch they have
>     definitely
>     > been
>     > readjusted. How are these adjusted to ensure proper operation of the
>     > clutch?
>     >
>     >
>     >
>     >
>
>     _______________________________________________
>
>
>
>     _______________________________________________
>     TowerTalk mailing list
>     TowerTalk@contesting.com
>     <http://email.secureserver.net/pcompose.php#Compose>
>     http://lists.contesting.com/mailman/listinfo/towertalk
>

-- 
Joe Hannigan - WDØM
Pagosa Springs, CO

http://www.WD0M.com
http://www.pagosarocks.com
http://www.quiltqueen.net


_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>