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Old 03 February 2013, 19:41   #1
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Greasing trailer bearings

Evening (morning) all.

Been looking at my trailer today in order to understand how I should be greasing my bearings. The online vids I've looked at show a grease nipple in the middle of the hub, under an easily removed cap, which you use your grease gun to shoot grease into.

My wheels look like this:


...and the domed black plastic thingy doesn't look like it wants to come off. I haven't ragged it about much as I don't want to bust anything. We've covered about 800 miles with it since we bought the boat in November and I figure I out to start thinking about maintenance.
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Old 04 February 2013, 00:50   #2
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Some trailers do have grease nipples at the side of the hub , if yours hasnít got this you will need to pull the cap off , it will be a good fit as you donít want them flying off when you are underway , the trailers with a grease nipple in the middle could have wheel bearing savers fitted,similar to the ones it the pic , these keep the grease under a slight pressure to keep any water from going in your hub and bearings when launching
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Old 04 February 2013, 03:59   #3
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The nipples on my hubs are on the inside of the wheel, your picture shows the outside.

These are old mini-hubs.
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Old 04 February 2013, 05:50   #4
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Reckon this will be a strip down, clean and re-pack job.

Have a look in the trailer info section, I did a thread on how to change a set of taper roller bearings, which will give you a good idea of how to do it.

Don't think they're mini hubs, as that looks like a 13" wheel, with 4 x M12 bolts, maybe 5.5" PCD? Minis are usually 4 x 3/8" on a 4" PCD.

Think you'll have to strip them down, so that dust cap will have to come off. Should just pull/knock off.
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Old 04 February 2013, 09:02   #5
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So there's no way to maintain them other than a strip down? Bugger.

They have behaved impeccably so far. I guess we'll just have to wait for the weather to get better and do them then, and keep my fingers crossed in the meantime.
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Old 04 February 2013, 10:02   #6
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Doesn't look like it, but hard to tell from that pic tbh.

Allow yourself an hour to do both sides, which should be plenty of time to do it at a leisurely pace.

All the best.
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Old 04 February 2013, 10:09   #7
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Thanks TG.
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Old 04 February 2013, 15:43   #8
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Assuming that hub isn't a bearing saver, gentle (and I do mean that in a seized thing way) persuasion with a rubber mallet will bring it off.

Don't use a normal hammer or you'll gub it.
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Old 04 February 2013, 16:38   #9
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Lol, "gub it". You're making me homesick.
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Old 04 February 2013, 16:44   #10
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Assa tek wurd so i'is.
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