I have a Fleetwood Prowler 300BHS with Accu-lube axles by Quality Trailer Products. They have a lube system that appears similar to bearing buddies etc. Anyone have experience with these and what type of grease to use? Calling the company gave me a response of "any type of marine trailer grease" which made me shiver. Not a great source of reliability on a heavy trailer such as this in my opinion. But since this is what I have, can they be replaced with anything to eliminate them and in the mean time, what the in the name of the good green earth do I use to lube them? Can I tear them down and repack the bearings as on a standard axle? Any help is appreciated.
Accu-Lube are probably very similar to Dexter EZ-Lube and Al-Ko AG.
The advice they gave you was very bad. Some marine trailer wheel bearing greases are made with a base thickener which is totally incompatible with the common lithium complex base grease and must never be mixed. You need to know which grease was used. I'd guess it was lithium complex base, so you can use any lithium complex base grease, #2 consistency, which is rated "GC" for wheel bearings. You'll find several in any good auto parts store or industrial hardware store. But, don't guess--find out for sure. Bearings don't need much grease, and more bearings fail from too much grease than too little, so there's likely no need to rush.
Looking closely as the drawing above, you see that the grease passes through the center passage, then pushes against the grease seal. If it leaks past the seal, it gets on the brakes and you might crash. Grease cautiously. When repacking, always use new grease seals of the right type, usually special double lip seals. Either the hub manufacturer or a specialty bearing supply house will know about seals.
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Excellent, thanks for the help. I was afraid of the answer I received from them and that they were in fact similar to the Dexter's. Looks like I am stuck with them so I will work cautiosly. I grew up farming with my dad and grandparents and the rule then was pump till you see it coming out so it forced out the old and dirt. I am thinking just a pump or two are good for this, but how often should I do it? I pulled the outer cover to get to the zerk and see a good amount of a bluish colored grease in there coming out of the front. Also the wheels do not feel scorching hot to the touch when traveling so by touch it feels ok, but I want a little better than the "looks ok, feels ok" method.
Nothing prevents you from disassembling the entire thing, cleaning the grease off, inspecting everything, greasing the bearings in the palm of your hand or with a bearing greaser and putting it all back together with a new seal (some carefully remove and reuse the old seal, but I figure it's the bearing's defense against contamination and I'd rather have new).
You can do it the zerk way or the hand-pack way, whichever you like.
The Dexter axle site has some excellent downloads, including how to do EZLube spindles.
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