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HelicopterMain Discussion › Cleaning Threadlock off bolts/Bolts Rattling Off
06-03-2010 06:18 AM  7 years agoPost 21
Hughes500Pilot

rrKey Veteran

Anaheim, CA

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99% of people that even bother to clean the bolts are still only doing half the job...

When they make the part (that the screw goes in) they use oil as they mill it and form the screw holes. That oil can stay in the the screw holes on the part. For the thread lock agent to do its job and for maximum strength, you must also clean where the screw is going to go!

Use pipe cleaners and clean the hole out. Then, with a clean hole and a clean screw, the thread lock will do its job!

-Steve

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06-03-2010 12:53 PM  7 years agoPost 22
neilg.

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north of borston

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new ones?

In Nomeni Patri Et Fili Spiritus Sancti

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06-03-2010 01:16 PM  7 years agoPost 23
Swoop

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Newark, DE USA

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I use a small wire wheel on my dremmel.

Chris
X50, B320, Radix, Spartan
Titan,Kasama,MP5,Radix,JR770
Trex450SE,MavrikkG5,Phoenix35

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06-03-2010 04:07 PM  7 years agoPost 24
LaurenceGough

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Reading, UK

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Leave the stuff on there, it's a type of plastic will help it hold.

As for bolts coming lose that will be because of oil in the threads, clean both the bolt and the threads before screwing in, with a few drops of loctite.

You will be fine then.

That reminds me I need to buy a proper can or tin of degreaser/oiler instead of just using alcohol and citrus cleaner.

www.laurencegough.com
Sponsors:
Fast Lad Performance
OPTIFUEL
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Spektrum

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06-03-2010 04:42 PM  7 years agoPost 25
Paul Woodcock

rrElite Veteran

Dubai - United Arab Emirates

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Hi guys

I use a die on the bolts and a tap in the threaded plate to get off all the old loctite. I then soak in acetone for a while and then wipe clean/dry with some paper towel.

Regards
Paul

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06-03-2010 05:33 PM  7 years agoPost 26
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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no it was a the main blades that had the imbalance also i found my torque tube was ever so slightly bent im gonna replace all the main shaft bearings replace the torque tube replace the tail shaft degrease all the bolts and bolt holes then locktite and try again lol ill let you all know next monday how it went as long as parts get here tommorrow

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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06-03-2010 05:38 PM  7 years agoPost 27
z11355

rrMaster

New England

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for a few dollars, just buy new screws and toss the old ones after a while. how much time are you going to devote to this? get a 100 pack of the common M3 sizes and call it a day.

Also, eliminate loctite whenever possible (I'm a big fan of Nord-lock washers)

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06-03-2010 06:27 PM  7 years agoPost 28
rpat

rrElite Veteran

Weirton, W. Va.

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Voodoo,
If you TT is bent then that is your problem not the loctite. Don't waste your time cleaning those bolts up and concentrate on getting the vibration out of your bird.

trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2

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06-03-2010 08:58 PM  7 years agoPost 29
VooDooX

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San Francisco Bay Area CA, US (San Mateo)

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ya i am replacing all parts that could cause vibration already

Tail shaft
TT shaft
Main Shaft
Blandes balanced

also going to drop the engine and check it

Anything else i should change?

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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06-03-2010 11:12 PM  7 years agoPost 30
thenewguy

rrElite Veteran

Corvallis, Oregon Where there is liquid sunshine!

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06-04-2010 02:44 AM  7 years agoPost 31
rpat

rrElite Veteran

Weirton, W. Va.

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Spindle?

trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2

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06-04-2010 05:07 PM  7 years agoPost 32
VooDooX

rrElite Veteran

San Francisco Bay Area CA, US (San Mateo)

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rpat tracking is dead nuts on i don't think its bent and don't wanna tear apart the head when its working so well but i will if the vibs are still there

Velocity 50 "99.9999999999999% of an atom is empty space." also 01001000 01001001

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06-05-2010 12:43 AM  7 years agoPost 33
rpat

rrElite Veteran

Weirton, W. Va.

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Yea I just mentioned the spindle for the heck of it. When you are getting the vibes that you are experiencing it usually isint the spindle.

trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2

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06-05-2010 02:29 AM  7 years agoPost 34
davidjc

rrApprentice

E-Town , Kentucky

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To keep the servo screws from backing out I just put some clear RTV over the screw,normally comes out again easy enough once it has set up.

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06-05-2010 02:29 AM  7 years agoPost 35
GMPheli

rrElite Veteran

W. Bridgewater, MA USA

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An easy way to check the spindle without removing it is to just rotate it from one end with the blade removed. If it is bent you can usually see a grip wobble

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06-05-2010 03:06 AM  7 years agoPost 36
chickens2252

rrApprentice

Okinawa

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I have to disagree with the folks that use a die unless you use an adjustable type and ensure is is set wide. It may not seem like it but every time you run your bolts down a die your are removing material.

It's hard enough keeping from wearing out the aluminum threads. Not wise to wear down the steal ones too.

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HelicopterMain Discussion › Cleaning Threadlock off bolts/Bolts Rattling Off
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