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HomeAircraftHelicopterAlignT-REX 600N › New auto hub locking up?
03-11-2012 12:47 PM  6 years agoPost 1
outrage90

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south aiken

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So I upgraded my old 600N to the new main gear,auto gear and new auto hub. Well after 20 flights its locked up and wont break lose. I thought theses new parts was going to take care of theses issues. Any others having the same issue?

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03-11-2012 01:08 PM  6 years agoPost 2
wrongler

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Brewerton, New York

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Did you Lube it before you put it togeather?

Bill Whittaker

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03-11-2012 01:58 PM  6 years agoPost 3
outrage90

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south aiken

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Sure did!

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03-11-2012 02:06 PM  6 years agoPost 4
wrongler

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Brewerton, New York

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Have you taken it apart? Did you find any reason for it locking up?

Bill Whittaker

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03-11-2012 02:14 PM  6 years agoPost 5
outrage90

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south aiken

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I cant even get the Sleeve out to find out. I guess Im going to have to get the hammer out lol.

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03-11-2012 09:42 PM  6 years agoPost 6
fastflyer20

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N. Tonawanda, NY

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Mine did the same, I replaced the sleeve and installed a KDE OWB, no problems since then. In certain situations, I think the single radial support bearing actually hurts the lock up condition. If you look at any design manual, the OWB are meant to have radial support bearings on the top and bottom.

I have had the best success by flushing out the grease and using ATF.

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03-12-2012 02:17 AM  6 years agoPost 7
outrage90

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south aiken

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Thanks. I used ATF as well but I guess it didn't work. Going to order after market

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03-12-2012 06:04 PM  6 years agoPost 8
Simmer

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Massachusetts

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I swear the atf is not helping, probably will cause a premature failure. Never even have I lubed my one way bearing. I did and would recommend a Boca bearing one way replacement.
Best 18 bucks (or so) you can spend.

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03-19-2012 05:41 PM  6 years agoPost 9
corvettercr

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erick oklahoma usa

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yup. i have the same issue. ron at heli proz south told me to use atf. and do not tighten the jesus bolt very hard.

your gear will break loose. it may be hard but it will. hold the head and just turn the hell out of it. soon it will give and you can take it apart.

i saw no apparent reason for this to happen to mine as it was new and it was the 2nd or third flight. thgen i called ron. he said that if the bolt it tightened to much it will egg the sleeve a slight ammount then couse it to lock up.

the atf will not daMMAGE THE PLASTIC OR BEARING . i use brake cleaner to strip the oil and grime off my parts. or either. dries quick. too.

any ways what he told me was to just barley snugg the bolt with thread loc. i use red here. i damn sure dont want to loose my head in flight., hope this helps. it did on mine

synergy n9, trex 250,450,600,700

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03-19-2012 05:49 PM  6 years agoPost 10
outrage90

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south aiken

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Align got back with me and im sending them the hub and in for replacement

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03-20-2012 06:03 AM  6 years agoPost 11
mickeybling

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dudley wmid england UK

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yes ive had this problem now cured. that fancey hub looks good but the problem has not been fixed its the bearing the problem ,its a very cheap low spec chinese bearing. i replced mine with a high torqe /high speedbearing from boca bearings ..4 months in my 600n and no probs you can only cure the prblem by changing the bearing,no oils or grease is going to do it.

mickeybling

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03-20-2012 02:32 PM  6 years agoPost 12
Four Stroker

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Atlanta

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Which bearing did you buy ? I see two of them listed - HF and FC.

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03-20-2012 03:09 PM  6 years agoPost 13
Simmer

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Massachusetts

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http://www.bocabearings.com/product...px?ItemID=11016

HF1216
The Boca unit has fewer, larger needle rollers in it, must equate to longer life somehow.

for US $17 you cant go wrong.

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03-20-2012 06:34 PM  6 years agoPost 14
jsenicka

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Eagle River, WI

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Simmer speaketh the truth.
The Boca one way is flawless in the T600.

Jim Senicka
Team Manager, GrandRC Flight Team

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03-20-2012 07:01 PM  6 years agoPost 15
Four Stroker

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Atlanta

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I just bought the FC. I will let you guys know if it is (about $10) overpriced ! I used to buy NSK or Torrington from a bearing house. They don't like small ($100) orders anymore. The economy must be booming.

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03-20-2012 08:29 PM  6 years agoPost 16
Simmer

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Massachusetts

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I dont see the FC clutch at Boca. I suspect that is thew wrong part for your Trex. The FC designation refers to the "clutch Type" HS is what I ordered in the past, do not know what that HS means but it too is related to clutch type.

HS high speed ?
FC fully closed?? Dont know. If I were you I would call Boca and confirm your part before you have to return it. There isnt a $10 dollar solution (I doubt)

FYI I found this on Bocas site:

Boca Bearings has been in business since 1987 and we stand behind our product 100%. We will always replace or exchange any bearings that we determine to have failed prematurely. As a rule of thumb we would say:

Our Econo Power shielded bearings are comparable to what comes stock with your vehicle, so you should expect the same life as those that you get right out of the box with your car. Because these are shielded bearings they will require maintenance to get a long life. You will want to clean and re-lube them regularly to extend the life or you will have to replace them often.

Our Green Seal & Ultra Seal bearings however are considered maintenance free and lubed for the life of the bearing. You do not have to ever clean or re-lube these bearings at all and they should last at least twice as long as your stock bearings.

And finally our Ceramic Lightning Yellow Seal & Ultra Seal bearings are also considered maintenance free and lubed for the life of the bearing. But because the ceramic ball is so much harder than steel you should expect about 3-4 times the life of your stock bearings.

edit: looks like the one way is the same part whether you buy Crome stainless or Ceramic (same part number and image) guess the ceramic does not alppy to needle bearings?

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03-20-2012 08:55 PM  6 years agoPost 17
Four Stroker

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Atlanta

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http://www.bocabearings.com/product...tSubGroupID=582

Higher RPM rating. Higher Torque rating. If that matters.

I meant $10 more than the other bearing.

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03-20-2012 11:20 PM  6 years agoPost 18
mickeybling

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dudley wmid england UK

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the nsk fc12 is the bearing you all need it is worth the extra cost i have been using one in my 600n for four months now , and i am using a guvener witch is giving this bearing a good thrashing wear as the hf 1216 after a few fligts you could feel it geting notchy and that fatel auto .

mickeybling

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03-21-2012 12:59 AM  6 years agoPost 19
Four Stroker

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Atlanta

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I agree with you. I have had excellent results with both NSK and Timken/Torrington industrial quality one-ways in the past. I could not find anyone who would sell me just one this time. I'm not sure what I bought from Boca.

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03-21-2012 02:22 PM  6 years agoPost 20
Dino Spadaccini

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USA

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atf is not the way to go use the grease that comes in the align kits pack it in there with your finger, use a plasic hammer or a block of wood to tap out the sleeve and grease it and see also do not over tighten the jesus bolt

RIP Roman JR
Capt USA Align Factory Team Align - Conquer Your heart
Team Futaba

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HomeAircraftHelicopterAlignT-REX 600N › New auto hub locking up?
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