The V-belt on my HDX-572MDPL (circa 2003) is 4L-370.
-Mike-
From: Les Kalmus <w2lk@bk-lk.com>
To: TowerTalk@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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