| You need two sheaves for the leverage required to raise that tower. 
Don't know where to get the exact replacement but there are a few places 
that have similar items if you search around. 
Les W2LK
On 10/14/2020 9:28 PM, Mike & Becca Krzystyniak wrote:
 
Greetings,
    Without going to UST, I have been trying to locate a replacement
pulley/sheave for my HDX-555 tower.  This is sheave that the raising cable
uses. There are two slots but there was only one sheave.  Can someone
confirm whether the tower uses 1 or 2 sheaves, and also a lead on where to
buy other than UST?
Spec: 3.5" OD, 1/2 inch thick with 1/2" bolt hole.  It is aluminum with what
appears to be a pressed in bearing (which has siezed).
Thanks for any info.
73  Mike  K9MK
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