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10-03-2012, 04:01 PM
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#1
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Senior Member
Join Date: Feb 2011
Location: Michigan
Posts: 1,045
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grease fittings on wheel hubs
i pulled the rubber caps off the center wheel hub and saw the grease fittings .. are these supposed to be similar to bearing buddies that i am used to ?? (had them on boat trailers ) i tried to grease them with 2 different types of hand grease guns ..not much luck..either the grease didnt go into the hub (stayed out side) and the center area didnt move out toward the outer edge of the hub..how far should they move towards the outer edge ?? if at all ??
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2014 Crusader 325 TE....2012.. F 250.. Supercab XLT, 4x2 , diesel....days camped 2011 ... 28.... days camped 2012...115 ... days camped 2013...155...2014...171 and counting 
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10-03-2012, 04:07 PM
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#2
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Senior Member
Join Date: Jul 2010
Location: Waynesville
Posts: 14,428
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They do not move like BB. It will take lots of lube to fill the center cavity. Then put the rubber disk back on. Youroo!! 
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10-03-2012, 04:24 PM
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#3
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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EVERYTHING you wanted to know about those Zerks is here:
http://www.forestriverforums.com/for...ures-9666.html
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Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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10-03-2012, 11:59 PM
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#4
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Senior Member
Join Date: Apr 2009
Location: Carmel, Indiana
Posts: 309
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You might want to check the grease fittings themselves. All 4 on my trailer were defective. Grease would not go through them. To check remove the fitting, then put on the grease gun. Grease should squirt out of the fitting. Mine were plugged. New ones worked fine.
It does take quite a bit of grease to fill the hub the first time you grease them.
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kz08h5
2008 Chevy Silverado 2500 Duramax Crewcab
Jeep Commander - sold
Flagstaff V-Lite WRB26
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10-04-2012, 05:04 AM
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#5
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Senior Member
Join Date: Feb 2011
Location: Michigan
Posts: 1,045
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Quote:
Originally Posted by kz08h5
You might want to check the grease fittings themselves. All 4 on my trailer were defective. Grease would not go through them. To check remove the fitting, then put on the grease gun. Grease should squirt out of the fitting. Mine were plugged. New ones worked fine.
It does take quite a bit of grease to fill the hub the first time you grease them.
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Thanks...i think you are right..mine must be plugged also..time to try your idea..Dave
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2014 Crusader 325 TE....2012.. F 250.. Supercab XLT, 4x2 , diesel....days camped 2011 ... 28.... days camped 2012...115 ... days camped 2013...155...2014...171 and counting
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10-04-2012, 06:54 AM
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#6
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Site Team - Lou
Join Date: Oct 2009
Location: South Eastern PA
Posts: 23,269
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I had one rolling around inside the dust cap, one that was loose and one that was bad (would not take grease) right from the factory.
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Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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10-04-2012, 08:34 AM
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#7
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Wanna Be Camper
Join Date: Mar 2010
Location: Moose Jaw, Saskatchewan
Posts: 2,420
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Or do the right thing and do not use them at all and pack the bearings the right way. Which if you go to page 20 of the Al-Ko 2 to 7k manual it clearly states after the instructions for using the ultra lube feature itself.
Hubs and components should also be disassembled
yearly and inspected for worn or otherwise damaged parts.
If you clean and pack your bearings properly after doing the service above there is no need to be pumping the hub cavity full of grease which all it does in there is slow heat dissipation. The bearing design in the axles is exactly the same as has been used in cars for years and years and you never saw people pumping the hubs full of grease and they would go for years and far more miles than get put on an RV in a year without any maint.
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John & Deb
2011 F250 Lariat FX4 Crew Cab 6.2
2011 Flagstaff V-Lite 30WRLS
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10-04-2012, 08:40 AM
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#8
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by TheSasks
...If you clean and pack your bearings properly after doing the service above there is no need to be pumping the hub cavity full of grease which all it does in there is slow heat dissipation
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And of course Alko goes to all the expense of machining/drilling/tapping the holes and putting a grease fitting in the spindles just to have something to do and show off their machining skills. 
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10-04-2012, 08:42 AM
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#9
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Senior Member
Join Date: Jun 2011
Location: Jamestown NY
Posts: 588
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x2 on the bad fitting, replaced all 4 of mine, I also jack wheel off ground and rotate while greasing.
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2012 Winnebago "Journey To Insanity" 40U
2008 Dakota Sport 4x4
2004 Subaru Baja - DW's
2006 Honda Shadow Aero - TOAD for now.
F.R.O.G. member
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10-04-2012, 09:08 AM
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#10
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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This is what I use ..... after years of hand packing bearings I got this and never turned back !
$10.00 and takes 30 seconds to do 2 bearings.
Just an fyi
Turbs
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10-04-2012, 09:12 AM
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#11
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Mod free 5er
Join Date: Mar 2008
Location: Concord, NC
Posts: 24,702
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Quote:
Originally Posted by f1100turbo
This is what I use ..... after years of hand packing bearings I got this and never turned back !
$10.00 and takes 30 seconds to do 2 bearings.
Just an fyi Turbs
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Used one of those for years, but on the trailer with grease fittings in the end of the spindles, I don't bother to take them apart. Getting real lazy in my old age.
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