does anyone have problem with this coupler?

[Mel279]

hi guys

Im having problem with the coupler as in the picture. Its a 5mm to 4.7 or 3/16. Its really good when holding a flexcable but, after loosen it, it really really hard to remove the flexcable out of it. The brass part should be in position as in the picture or the other way. Sorry for my bad english if it make some confusion. I've tried to position the brass part the other way and Im still also having difficulty removing the flexcable. Does anyone have the same problem?

5mmto45mmflexcollet01.jpg

[siberianhusky]

Kendt on here had the same problem with one of those couplers, not sure what he did about it. One of the guys I run with.

[video200]

if thats the same as on top here http://kintecracing.com/Collets_Couplers.html you can give it a few gentle taps with something as you pull the flex and it wil come right out.

[Mel279]

P31-12-11_19.10[01].jpg

this is my brass insert, can you notice the different between mine and the one @kintec. But I have dremel it a bit as to the one @kintec and now is ok and video200 thanks for the link

[osprey21]

I had the same problem with that coupler. While it gripped the flex shaft quite well, it was a PITA to remove the shaft for greasing, the insert just didn't want to let go. I finally got fed up with it and went back to an Octura.

[detox]

hi guys

Im having problem with the coupler as in the picture. Its a 5mm to 4.7 or 3/16. Its really good when holding a flexcable but, after loosen it, it really really hard to remove the flexcable out of it. The brass part should be in position as in the picture or the other way. Sorry for my bad english if it make some confusion. I've tried to position the brass part the other way and Im still also having difficulty removing the flexcable. Does anyone have the same problem?

[ATTACH=CONFIG]67079[/ATTACH]

I also have the same problem with brass insert being crimped onto cable (very difficult to remove cable). Some guys say try tapping, but I ended up beating and pulling very hard to remove mine. Dam there has to be an easier way to remove...anybody have answer? I know the gas guys use this type collet alot, so thay should know.

Here is the correct way to assemble. You have it correct in your picture also.

[Mel279]

Mine now its ok, I made a modification on the insert,but need to hold with spanner on the motor's shaft side, turn and pull the flexcable. At the same time, I've also order the ETTI coupler, seem to be good.

[detox]

Thats right! I twisted and pulled very hard to remove.

[Mel279]

Thats right! I twisted and pulled very hard to remove.

did you remove it with the prop still intact? or without?

[longballlumber]

It sounds like you guys are over tightening the coupler. Since these are a 3 piece systems with a brass insert, if you over tighten it will mull the brass since it much softer; hence the sticking. This same issue has plagued this type of coupler for a long time. Unlike the octura style that is only 2 piece.

3 pieces – just snug up DON’T crank it down like a gorilla!
2 pieces (Octura) – you’re going to need an extra Gorilla around to tighten up that thing enough to hold.. IME

Later,
Mike

[video200]

can be as longballlumber say that you are over tightening things. i use a 10mm rong spanner and tapp gently on it while pulling the flex and have no problem getting mine out. i lost quite a few props and flex shafts with octuras cupplers but have to date never lost a flex with the 3 part one i got from kintec.

[sampit]

I got got the same problem with this coupler, can not remove my shaft to grease it, cant get acsess to the brass insert either, tryed always,might have to end up cutting it off

[Diegoboy]

It sounds like you guys are over tightening the coupler. Since these are a 3 piece systems with a brass insert, if you over tighten it will mull the brass since it much softer; hence the sticking. This same issue has plagued this type of coupler for a long time. Unlike the octura style that is only 2 piece.

3 pieces – just snug up DON’T crank it down like a gorilla!
2 pieces (Octura) – you’re going to need an extra Gorilla around to tighten up that thing enough to hold.. IME

Later,
Mike

This is exactly the case. After using the octura ones for so long, you guys assume you have to crank down, but you don't. I only use these couplers in my FE boats and moved all my octura ones to my scale (slow) boats or the round filing cabinet.

[detox]

So if I just snug it down my problem will go away? No slipping under full throttle load?

[wetsleeves]

I use the same coupler and what I do to remove the flex cable is, I get a fine flat head screw driver and insert it into one of the slots on the brass insert and slightly lift the tab (only a little bit) and the cable pulls right out.