[TowerTalk] LM-470 Tilt Winch Question

[Al Williams]

Actually the winch I tested on the bench in my previous reply was a k1550. 
It was the winch that I replaced with the k2550 on my LM470.  I suspect that 
my previous posting is still valid for your problem?

----- Original Message ----- 
From: "Joe Giacobello" <k2xx at swva.net>
Cc: "towertalk reflector" <towertalk at contesting.com>
Sent: Monday, October 24, 2005 7:56 AM
Subject: Re: [TowerTalk] LM-470 Tilt Winch Question


> Please ignore this request.  The  winches are not the same.  The
> troublesome one is a 1550.
>
> Joe Giacobello wrote:
>
>> About a year ago, I changed the original tilt winch on my LM-470 from
>> the original Fulton 1550 to the heavier duty Fulton 2550.  In making
>> the replacement, I essentially duplicated the cable arrangement on the
>> original. The cable comes down over the front of the drum in front of
>> the spacer bar through the lower pulley and is connected to the front
>> leg of the tower.  When I turn the handle in the CW direction to raise
>> the tower from horizontal to vertical, the drum also turns CW and the
>> cable winds onto the drum with the ratchet engaged.  It works fine and
>> there is no contact of the cable with the drive shaft or the spacer bar.
>>
>> I recently acquired another 470 but it was manufactured by a different
>> manufacturer.  It also came with a 2550 tilt winch, but the gears on
>> this winch are arranged differently and when the handle is turned CW,
>> the drum turns CCW with the ratchet engaged.  The cable on this winch
>> is wound on the drum so that it goes down over the back of the drum.
>> Consequently when raising the tower , the cable winds onto the drum
>> from the back of the drum in a CCW rotation with the ratchet engaged.
>> The problem is that the cable rubs against the drive shaft.
>>
>> I would like to orient the cable in the same way as the first tower to
>> avoid the contact with the shaft.  The Fulton instructions strongly
>> advise that the ratchet must be engaged when pulling or raising the
>> load.  It looks like if I remove and reverse the orientation of the
>> ratchet tooth relative to the gear, I can have the ratchet engage when
>> the drum turns CW, but I'm not sure.
>>
>> I'd appreciate any advice on this problem.
>>
>>
>> 73, Joe
>> K2XX
>>
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