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HelicopterThunder TigerOther › Start coupler
06-01-2004 11:23 PM  13 years agoPost 1
Dr.Phil

rrApprentice

Oslo, Norway

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I need to change the pinion gear, but I can't remove the Start coupler.
The set screws are off, but still it want come off.
Any tips are appreciated


Philip
Rave ENV, Stratus BW,Trex700 V-bar,Furion450
www.airheads.no,Team Hobby24

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06-01-2004 11:38 PM  13 years agoPost 2
eSmith

rrVeteran

Edmonton, Alberta, Canada

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could be just excess lock tite on the shaft, try to lightly tap it to break the seal.

-eSmith.

http://www.edmheli.ca

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06-02-2004 01:44 AM  13 years agoPost 3
tailrotordave

rrVeteran

Burbank, Ca

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Usually, the set screws cause a small burr on the start shaft at each set screw location that keeps the coupler from coming off. You may need to drop the engine out the bottom and grab the start shaft with something that won't mar the finish and hold it while you twist the coupler off the top.
The other option is to split the frames and grab the start shaft in the middle while you twist the coupler off. I have seen this on a few raptors. It could also be excess locktite as was mentioned earlier, but I would tend to think it is a burr.

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06-02-2004 11:15 PM  13 years agoPost 4
Dr.Phil

rrApprentice

Oslo, Norway

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Thanks, but I now tried both tapping and holding the shaft.
It's still stuck!

Hmmm..maybe I have to remove all screws and split the frame


Philip
Rave ENV, Stratus BW,Trex700 V-bar,Furion450
www.airheads.no,Team Hobby24

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06-03-2004 02:26 AM  13 years agoPost 5
Helirat

rrApprentice

Michigan

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Pinion gear

Hmmm..maybe I have to remove all screws and split the frame

You sure do I just did mine and the pinion gear has a bearing on it
that you will need to get off and it make it easier to get the
Start coupler off also.
You don't whant to damage the upper bearing from hitting the starter
shaft out wile it is installed. It took a couple of hard hits to get mine
apart.

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06-03-2004 06:27 AM  13 years agoPost 6
Al Magaloff

rrMaster

12,199 Posts- Enough Time Wasted. See Ya!

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Don't beat on it! The housing in the frame, that houses the bearing, breaks pretty easily. Drop the motor, and split the front of the frames.
.

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HelicopterThunder TigerOther › Start coupler
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