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HelicopterAlignT-REX 600N › maintenance woes
09-05-2009 12:39 PM  8 years agoPost 1
helirulz

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Singapore

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Was disassembling my tail boom case today and found it a big PITA to split the 2 halves of the boom case because the flexible plastic inserts start to foul one another whenever the case is unevenly split.
Would metal inserts help? Are metal inserts available?

The front torque tube coupler bearings are also a very tight fit against the coupler.
I thought of heating the bearings in the oven but decided not to as i was unsure if the hot bearings would deform the coupler.
I had to knock the bearings in place with a hammer and a set of pliers placed against the outer race of the bearing. Im sure its gonna kill the bearings sooner or later.

Any tips to overcome these 2 issues?

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09-06-2009 07:03 AM  8 years agoPost 2
Blink 182

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California

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I have the same troubles getting my TT bearings off also, i'm going to try and get a few extra gears and bearings and just have them set for whenever i need to replace them.

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09-06-2009 07:23 AM  8 years agoPost 3
helirulz

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Singapore

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good idea..im gonna do that too

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09-06-2009 11:19 AM  8 years agoPost 4
helirulz

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Singapore

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another issue is regarding glueing in the boom support ends. The hydraulic action of compressing air inside the boom support makes it very difficult to push the metal bit all the way in.

What are you guys doing to overcome that?

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09-06-2009 12:40 PM  8 years agoPost 5
cation3

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Smyrna, GA - USA

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The easiest way to get those bearings on and off is to not open the "Umbrella Gear Case". You're removing the gear from the bearings because you've stripped it, so who cares what you do to the gear. Take a flat head screwdriver and pry the gear out of the case a little at a time. Once you get it up high enough, grab it with some pliers and pull it out of there. If you need to replace the bearings, now open the case and remove/replace them. Re-install a new gear into the closed case the opposite way - just push it in there.

Makes umbrella gear replacement easy. Watch Mercuriel's 600 repair video on HF.

Boom support ends??? Not sure what you're referring to - they're installed at the factory.

-Drew

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09-06-2009 03:40 PM  8 years agoPost 6
helirulz

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Singapore

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Yeah they are.
Unfortunately my past 2 crashes didn't break them.

It only pulled the CF rod out of the metal ends.

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09-07-2009 03:26 PM  8 years agoPost 7
CY Hobbies

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Bryan, TX - USA

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Drill a small hole in the Boom support fitting (about a #50 bit would do the trick) and that would allow the adhesive to vent allowing a much better bond.

Curtis Youngblood Hobbies

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