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Old 08-28-2007, 09:08 PM   #1
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Bearings to hub question

I have recently acquired 4 new (to me) rotors for the 77 sovereign and I wanted to install them on the trailer since my old ones are not up to specs in terms of thickness. The old bearings look okay and feel okay except that one of the rotors has a bent grease seal. My question is whether I should just replace the seal or the bearings/races too and if I do....should I replace them in all four rotors or can I get away with replacing the one and repacking the other 3?
Thanks for your help.
Wayne
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Old 08-28-2007, 09:11 PM   #2
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Standard procedure is to replace bearings, races, and seals, unless the "new" rotors came with the bearings in them. If that is the case, you could get away with repacking the bearings, and replacing the seals, but I would strongly suggest replacing the bearings and races while you are there.
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Old 08-28-2007, 09:21 PM   #3
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Wayne
I'm with Overlander.Its been my experience with big trucks that U replace bearings,races, and seals. Now these are your bearings and seals and U know what U have and when they were replaced. It will give U peace of mind down the road and maybe save some headaches also.
Best of Luck
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Old 08-28-2007, 09:31 PM   #4
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I agree with Overlander and Mike, driving the old outside race out of the rotor could easily chip or damage it and cause the bearing to fail in a short time. Bearings are relatively cheap, especially if purchased at a bearing supply house.
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Old 08-28-2007, 10:04 PM   #5
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Bearings

Okay fellas,
You have convinced me. I should just bite the bullit and do it right the first time. My initial thinking was that I could save some time if I just repacked the ones already in the rotors. Since I am in the middle of other renovations and I want to have her ready for the Oregon Coast rally in September I am feeling like it is going to be tight. But my gut tells me you are right. Thanks for weighing in.
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Old 08-28-2007, 11:05 PM   #6
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To be comfortable with using old bearings, you should clean them thoroughly and then oil them lightly. Then put the cone in the race and turn it by hand with some pressure. If it's smooth and quiet you can use it. The problem with inspecting them visually is that you cannot see the inner race which because of its smaller surface area is likely to degrade first. When you regrease, use a grease with the same chemical base, for example lithium. Mixing bases can cause the grease to go runny. AND–don't toss the old out of spec rotors. There ain't no more whence they came so for the next poor slob, old and out of spec is better than none at all.
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Old 08-28-2007, 11:19 PM   #7
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Related axle Question

Does anyone happen to know what Grease INLAND RV uses on new axles.
I want to be careful to pack the new bearings with the same grease that is on the new axles I am installing. If I can't find out I will have to clean the factory grease off and start over.
Thanks Bill for the warning on the different grease
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Old 08-29-2007, 06:19 AM   #8
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By a strange coincidence, I had to repack two new wheel bearings from Henschen last week. This is what I used:Pennzoil
It closely matches what is already there. If you want to go whole-hog, you can get the synthetic version, costs a couple dollars more, same color, stands up to heat and wear better.
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Old 08-29-2007, 06:34 AM   #9
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If your buying bare axles, they are packed with grease that gets dirty in shipping, wipe all of it off.

Get any good brand of grease, and do everything from the same can.
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Old 08-30-2007, 12:48 AM   #10
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Bearings/axles

Your right,
Even though they were shipped with plastic boots on them, the grease was full of dirst and dust. I took your advice and wiped it off and started over.
Otherwise I am moderately pleased with the new axles.
I had no trouble installing them on the trailer but I ran into difficulties when I tried to reinstall the calipers.
It turns out the holes drillled in the axle mounting Plate do not match the holes in the caliper bracket. I had to do some modifications that I hope will work out.
I was given the impression by INLand RV that I would have no trouble with the Henschen axles because I thought I was told they were Oem.
As a result, the calipers are not mounted exactly as before and I was forced to drill several new holes in the axles mounting plate.
I bought these axles because of the assurance that they would work without modification. But they do not.
This mod probably does not apply to many trailers since most trailers have electric brakes but those of you that still have the disc brakes need to beware of the changes involved.
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Old 08-30-2007, 05:13 AM   #11
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Good that it's done.

Drilling a few holes isn't all that bad, people getting Dexter had to have shock mounts welded and reqired some drilling also.

On mine it was a straight bolt up with drum brakes from the old axles.
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Old 08-30-2007, 06:17 AM   #12
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Quote:
Originally Posted by wayne.yl
It turns out the holes drillled in the axle mounting Plate do not match the holes in the caliper bracket. I had to do some modifications that I hope will work out.
The new axles were probably manufactured to accept the new version of brake caliper, I think they are slightly different than the old ones.
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Old 08-30-2007, 09:59 AM   #13
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Quote:
Originally Posted by wayne.yl
Your right,
Even though they were shipped with plastic boots on them, the grease was full of dirst and dust. I took your advice and wiped it off and started over.
Otherwise I am moderately pleased with the new axles.
I had no trouble installing them on the trailer but I ran into difficulties when I tried to reinstall the calipers.
It turns out the holes drillled in the axle mounting Plate do not match the holes in the caliper bracket. I had to do some modifications that I hope will work out.
I was given the impression by INLand RV that I would have no trouble with the Henschen axles because I thought I was told they were Oem.
As a result, the calipers are not mounted exactly as before and I was forced to drill several new holes in the axles mounting plate.
I bought these axles because of the assurance that they would work without modification. But they do not.
This mod probably does not apply to many trailers since most trailers have electric brakes but those of you that still have the disc brakes need to beware of the changes involved.
The 5 hole brake flange on Henschen axles will accept electric brakes or disc brakes, old or new style doesn't matter.

Can you post a photo of the change that you made?

The caliper mounting bracket has 5 holes, that match the brake flange.

They should fit with "no" problems of any kind.

The calipers "do not" mount to the axle mounting plate.

The axle mounting bracket uses two 5/8 bolts on each side to attach the axle to the axle mounting plate. Those hole locations are the same from 1969 on up.

Andy
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Old 08-30-2007, 11:22 AM   #14
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Quote:
Originally Posted by wayne.yl
Your right,
Even though they were shipped with plastic boots on them, the grease was full of dirst and dust. I took your advice and wiped it off and started over.
Otherwise I am moderately pleased with the new axles.
I had no trouble installing them on the trailer but I ran into difficulties when I tried to reinstall the calipers.
It turns out the holes drillled in the axle mounting Plate do not match the holes in the caliper bracket. I had to do some modifications that I hope will work out.
I was given the impression by INLand RV that I would have no trouble with the Henschen axles because I thought I was told they were Oem.
As a result, the calipers are not mounted exactly as before and I was forced to drill several new holes in the axles mounting plate.
I bought these axles because of the assurance that they would work without modification. But they do not.
This mod probably does not apply to many trailers since most trailers have electric brakes but those of you that still have the disc brakes need to beware of the changes involved.
Wayne.

You purchased your axles on May 4th, 2007. We shipped them to you from our stock.

We are here to help you with any problem or problems you may have or have had, with your entire trailer, including your axles, but you never called or e-mailed us to advise of any problem with the axles.

Why you had any problem mounting your caliper brackets to the brake flanges is a mystery.

We double and triple checked the brake flange with the original and new style caliper mounting brackets, and they fit perfectly. No exceptions.

Please give us call so that we can help you resolve this issue.

Andy
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