[TowerTalk] Hub City relube

[Les Kalmus]

Mike,

After a lot of measuring and fooling with several online calculators, it 
looks like that's the one that should fit my 572 too.
The 589 requires a larger belt.

Thanks.

Les

On 7/2/2016 11:52 AM, Mike Fahmie via TowerTalk wrote:
> The V-belt on my HDX-572MDPL (circa 2003) is 4L-370.
> -Mike-
>
>   
>        From: Les Kalmus <w2lk at bk-lk.com>
>   To: TowerTalk at contesting.com
>   Sent: Saturday, July 2, 2016 7:13 AM
>   Subject: [TowerTalk] Hub City relube
>     
> I have an older UST HDX-589MDPL and a less old HDX-572MDPL. There was a
> discussion early this year about the type of lubrication to use in a Hub
> City reducer which was a great help in getting ready to relube both of
> my units.
> The older 589 Hub City reducer was manufactured in Sep 1992 and the the
> newer in Jan 2005. Both are model 321. The older is style A and the
> newer style C.
>
> I found Mobil SHC634 at McMaster for a good price and they also carry
> unbranded with the same specs for even less. Both reducers are mounted
> upside down with a vent or access plug on the top face. This plug is
> accessed through a hole in the motor mount plate. There are no drain
> plugs that I can find anywhere near the bottom face of the cases. There
> are several plugs in the sides of the cases which are aligned with the
> various shafts. Hub City told me these are mainly for checking the oil
> level depending on how the unit is mounted. Except for the vent on the
> top face there are no oil drainage access points on either case as shown
> in the Hub City documentation which is available on their website.
>
> My questions for anyone who has done this are:
>
> Did you have to remove the motor to access the upper plug?
>
> Did you have a problem draining the oil using one of the lower level
> checking plugs?
> I know someone mentioned using a turkey baster to suck out the remaining
> oil but he said there was about 1/2" of oil left after draining. In both
> of my cases it looks like there will be more like 3" of oil left to suck
> out. Is there a better idea than the turkey baster?
>
> Does anyone know the size and letter of the V-belt from the motor to
> large pulley for either model?
>
> Any suggestions would be greatly appreciated.
>
> Les W2LK
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