[TowerTalk] HG70HD Replacement Parts

[Mike Reublin NF4L]

The max diameter sheave McMaster-Carr has for a 1/2" axle is 3", which is what I think HyGain supplied. To get a larger diameter sheave, you'd have to go to a 3/4" diameter axle which would mean drilling out the mounting on the tower. I'm not sure there's enough metal to do that. Providing one could get a drill into all the spots. Plus all the larger diameter ones are too thick.

Maybe another supplier?

73, Mike NF4L

On Jul 26, 2014, at 9:44 AM, Patrick Greenlee <patrick_g at windstream.net> wrote:

> A good way to increase cable life (beyond proper lubrication) is to replace your wire rope sheaves (pulleys) with ones of greater diameter.
> 
> Patrick NJ5G
> 
> On 7/25/2014 7:39 PM, Mike Reublin NF4L wrote:
>> Bob ,
>> 
>> Sheaves from McMaster-Carr http://www.mcmaster.com/#rope-pulleys/=szwb6p item #3434T119. They're steel instead of aluminum. I'm in the process of replacing mine. The main is pretty easy, it gets a bit tedious, but not terribly difficult on the 2 inner. I'm replacing the 3/16" inner cable with 1/4".
>> 
>> Since you're replacing the sheaves, you'll be able to get the cable ends (with the swaged in thimbles) thru the brackets.
>> 
>> GL!
>> 73, Mike NF4L
>> 
>> On Jul 25, 2014, at 5:27 PM, Bob Farkaly <bob at farkaly.com> wrote:
>> 
>>> I'd like to replace the lifting cables, cable sheaves and pins. I can't find
>>> a source through a Google search, so I thought I would try the resources of
>>> the reflector. I have read that a new lifting cable set can be fabricated by
>>> a cable rigging company and stainless steel parts are available to replace
>>> the sheaves and pins. I am looking for sources.
>>> 
>>> Any help appreciated.
>>> 
>>> Thanks,
>>> 
>>> Bob, K9RHY
>>> 
>>> 
>>> 
>>> Bob Farkaly, K9RHY
>>> 4517 Topside Rd
>>> Knoxville, TN 37920-6055
>>> Telephone: 865-573-6322
>>> Mobile: 619-602-2653
>>> 
>>> 
>>> 
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