Tamiya KT elevation

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jtracks
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Tamiya KT elevation

Post by jtracks »

Good morning gents. I have recently developed a problem with my elevation unit. When I activate the TX stick to raise the barrel, the barrel will rise about half way and then will fall. I can tell that it is trying to raise but just won't. I've checked the elevation unit and all seems fine. Metal arm has not come loose, spring is in place, and the white cup is seated on the brass ball. All of the gear teeth appear to be fine and the worm gear on the motor is not slipping. Any ideas?
Joe
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Del
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Re: Tamiya KT elevation

Post by Del »

Is it the gear with the clutch slipping?
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Dragon245
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Re: Tamiya KT elevation

Post by Dragon245 »

Sounds like a cog slipping on a shaft
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Ad Lav
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Re: Tamiya KT elevation

Post by Ad Lav »

Is it the plastic part that connects the elevation arm to the gun/recoil unit?

Could have rounded off.
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jtracks
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Location: Roseville, CA.

Re: Tamiya KT elevation

Post by jtracks »

Del wrote:Is it the gear with the clutch slipping?
The gear does slip when the metal arm hits the stops, but I don't see it slipping before it hits the stops. Thanks for the reply Del.
Joe
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jtracks
Warrant Officer 2nd Class
Posts: 1209
Joined: Wed Sep 17, 2014 4:00 pm
Location: Roseville, CA.

Re: Tamiya KT elevation

Post by jtracks »

Ad Lav wrote:Is it the plastic part that connects the elevation arm to the gun/recoil unit?

Could have rounded off.
It's not that Adam, everything is nice and tight. Thanks for the reply.
Joe
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jtracks
Warrant Officer 2nd Class
Posts: 1209
Joined: Wed Sep 17, 2014 4:00 pm
Location: Roseville, CA.

Re: Tamiya KT elevation

Post by jtracks »

Dragon245 wrote:Sounds like a cog slipping on a shaft
I haven't removed the elevation unit to check each gear for slippage, I'll pull it out and check. Thanks for the reply Dragon245.
Joe
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jtracks
Warrant Officer 2nd Class
Posts: 1209
Joined: Wed Sep 17, 2014 4:00 pm
Location: Roseville, CA.

Re: Tamiya KT elevation

Post by jtracks »

Kiaser wrote:Common fault elevation and rotation units glue the clutch gear or change them out Tamiya 72005 :thumbup: blue gears steal them from six speed box .

Do not last long :O
I've heard of some gluing the gears or replacing the gear with a blue one but I don't have a clue as to which one that might be. I'll check the part number you provided and I should be able to just match it up. Thanks Kiaser.
Joe
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jtracks
Warrant Officer 2nd Class
Posts: 1209
Joined: Wed Sep 17, 2014 4:00 pm
Location: Roseville, CA.

Re: Tamiya KT elevation

Post by jtracks »

Del wrote:Is it the gear with the clutch slipping?

Yes it was the gear slipping. I removed that gear and glued the two parts together. Works fine now. I also ordered the gear box that Kiaser gave me the part number to so I'll have some gears on hand.

Thank you all for the replies. :D
Joe
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Del
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Re: Tamiya KT elevation

Post by Del »

Glad to hear it was a simple fix,my tiger did a similar thing :thumbup:
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