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Raising and lowering legs Options
darbyvet
#41 Posted : 09 September 2019 22:58:56

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Qwaser
#42 Posted : 15 February 2020 14:32:51

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Hello,

I finally took the time to put the washers in place! Here is the bag I bought following the darbyvet measurements:


So I put in place two washers in the following locations:


However, the problem is still present, despite the fact that the gears on the motor side are well set and do not move!

It's still crazy that given the price we have to solve this problem ourselves ...
Especially since with the many disassembly I lost the two small metal rods that we place here:

Is that bad ? Knowing that I have to pay if I want to have the assets again.

Thank you in advance for your help !
darbyvet
#43 Posted : 15 February 2020 16:47:39

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Are the screws that hold the clear cover over the mechanism tight? it is possible that the clear cover is lifting up a bit and allowing the gears to slip.You can also try adding a second washer to the ones you added.I lost those metal pieces too and just used a brass rod cut to size to replace them.

Carl

Metal Mech
#44 Posted : 01 March 2020 09:23:56

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darbyvet wrote:
here are the measurements for the washer I used. As Roy mentioned above using a larger screw to screw on the cover for the raising and lowering mechanism may also help.What happens is the gears are slipping because there is a bit too much play once the top cover of the mechanism is fitted.It is fine when you dont have the top of Tb2 on, but when you add the extra weight of the top of TB2 the gears may slip.



I have just gotten to this part of the assembly. I'm debating on if I continue to assemble and then during the test phase just bolt on the nose and see if I can see where the slippage is.

Makes me wish I hadn't glued my vent covers in on the nose. I could put it together and watch the from crown gears better if I hadn't.

After reading everything its obvious to me that somewhere the geometry is changing when the body it bolted down. Also based on what is being said its a problem with the left side of the kit. Well guess what is different from the left side vs the right side? There is no short gear shaft running to the gear box. with the rails removed if you hold the shafts on the right side down the gear is very difficult to make it move. Not so on the left side. I almost feel if there was a good way to install a dummy gear it would make it less likely to move. I realize the rail is designed to hold the gear in place but something is making the left side slip. Its a shame that it does not have the mounts molded on the left side or it would just be an easy test of dropping in an extra short gear shaft.

DeAgostini kit builds:

Millennium Falcon: 18% Complete
Shelby GT-500: 28% Complete
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Axel Arturo
#45 Posted : 16 August 2020 21:36:16

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Hello!

I'm from MX City, the other side of the world jaja.

Well, I had the issue of the legs about 4 years more or less. When I get the final volume and test all together (with the fuselage over) indeed the problem was annoying and frustrating.

After 1 month looking the answer I quit, but, yesterday since I completed my TB1 deagostini I decided to give a second try then I read all about this issue. Indeed, the problem is related to the gears and the mechanism of it yet I can not assure is more related to the fuselage, on my experience is the mechanism then I'll explain:

1) The gears were jumping once you turn on the TB, the problem is on each gear that is close to the motor, the black section with the clear part (uhmm lets say the train for the legs) is not good enough or tight to press the gears so they don't "dance" while is moving, that is the cause of the sound like tack tack tack tack and the legs getting lift disorganized.

2) The power of the battery is another factor, if you have a weak battery the mechanism simply will not have enough "juice" to lift the full model (Is a small motor, we can't ask a lot for it but serves us well when all is correctly set).

3) Finally, indeed, is necessary to check all the parts are correctly set, I figured out that I didn't set the small metals that are into the train when you already placed the telescopic leg, they are 4 small metal parts that allow the train move slightly and softly into the clear part if you do not set it the full mechanism will start jumping again.

Now, tu tururuuu turuntuntuuun tun tun tuu tatararaa tarantaaan!!

Solution:

I try my best to attach pictures of my home fix, actually, y used unnecessary part of the TB1 legs to make this works, as someone mentioned before you need to use a washer on the gears that are close to the motor must precisely close to the intakes, and a third one on the right side of the thruster, on the opposite side of the ON/OFF switch, should be a thin washer and will help to press the gears between each other to compensate the lack of pressure in the model. This might vary between each model of yours, mine got the three gears loose then I needed to add three whases, add it on the inferior gear, not the upper since the problem is the bottom gear does not fit correctly for that tiny space that left to make the contact with the other gears.

Finally, I didn't buy a metal washer as I mentioned I use a small, thin piece of plastic that I drilled through with a hand drill (Not an electric one) then I make the hole wide enough to fit with the metal part and used "Kola" to stick it to the gear.

After doing this on the three gears the sound and the jumping of the TB2 stoped totally even with the fuselage, I read that some people fixed by not screwing the nose section (it worked for me also but not for long since the problem is with that "jumping gears".

Suggestion, try each of the gears in your own model and see if they are "dancing" up and down, use a pen or pencil, and if you see there are millimeters missing to make the contact correctly use this process on each one, if you don't I can tell you that the problem will go on until the teeth of the gear get broken for that takatakaka issue because they are smashing and getting out of the correct way of movement.


Thanks for reading, was a full adventure this kit and I hope Degostini take care of the details like this, after all, is a lot of money and is not a simple mechanism as if is not correctly calibrated can easily get broken.

I got mine from HLJ.com not directly from Deagostini so my instructions were all in JP jajaja was headache and I'm terribly sorry that I can not read all the magazines :( I don't a sh....of JP
(T-T)

Have a good one!


Axel Arturo attached the following image(s):
117583324_720079382106563_427955825769943777_n.jpg
117764912_326313425230617_3354069394673345062_n.jpg
117772094_2459270807704910_7150550698253221913_n.jpg
117944927_770099607123676_7693313645945002905_n.jpg
delboy271155
#46 Posted : 17 August 2020 16:20:09

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Hi Axel, BigGrin

Good to know you have a working TB2. Well done.

Cool Cool Cool


Regards
delboy271155
(Derek)
COME BACK GUY FAWKES "YOUR COUNTRY NEEDS YOU"






Dirk-Jan
#47 Posted : 14 November 2020 16:42:25

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TeaserUK wrote:
Hi there, I received my last box of parts this week and having assembled the final stages, I'm getting the skipping gears on the left hand side of TB2. I had no trouble during the testing phases at all and only seems to be when the full body is assembled. When resetting the legs, the clear cover piece broke so I'm not happy at the moment! In any case the gears skipping is not an isolated incident.



I also encountered the same problem. Nothing wrong when running without the top. But when the top is screwed on and the full body is completed i get the same problem as described here. I relieved that I am not the only one but also quite dissapointed that after a very expensive build the legs do not work properly.

I already disassembled and re-assembled the motor, legs, etc more then a dozen times still leaving me with the same result. Hopefully the washers will help

Dirk (Netherlands)
Dirk-Jan
#48 Posted : 14 November 2020 16:47:42

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delboy271155 wrote:
TeaserUK wrote:
Hi there, I received my last box of parts this week and having assembled the final stages, I'm getting the skipping gears on the left hand side of TB2. I had no trouble during the testing phases at all and only seems to be when the full body is assembled. When resetting the legs, the clear cover piece broke so I'm not happy at the moment! In any case the gears skipping is not an isolated incident.



Hi TeaserUK

I understand your frustration with this problem and everything possible is being done to resolve it.

Firstly contact CS and order a replacement pack from which the broken part came. You will need to tell CS the pack number the broken part is from and have your subscription account number to hand.

Now to the problem at hand. Yours is the second report on the forum of this issue so from the many thousands of kits sold it is still an isolated incident, that none the less needs sorting.

The kits for the official build and the official video are working as they should so we are going to have to try and replicate the gear skipping and therefore appreciate your patience while this is happening. All findings will be reported here.

As the two reports both indicate that this problem only occurs when the upper body is fixed in place could you answer the following questions for me to aid in the diagnosis as to the possible cause.

1: Did you have any problems with the fit of the upper body or locating/tightening of the fixing screws.

2: Have you tried loosening the upper body screws slightly to eliminate any over tightening that may cause possible distortion of the lower body.

3: During your initial tests without the upper body fixed in place did the motor cut off switches work properly every time. If this is not the case then there may be some accidental damage within the drive train.

4: Have you checked that all the drive shafts are straight especially the ones from the motor and that all the pinion and crown gears are correctly formed in their shape. The electric motor puts out a fair amount of torque for its size and could cause this issue if a defective part is in the drive chain.

5: Have you checked that the gear racks are "fully" screwed into the leg springs as this will certainly cause an issue if not.

Thanks in advance for your assistance with the above questions and rest assured the problem is being worked on.

Regards
delboy271155
(Derek)






Ad 1) No problems
Ad 2) Yes several times
Ad 3) Everything worked properly
Ad 4) Yes and no problems there either
Ad 5) They are. But i am getting nervous if i have to disassemble once again because the plastic thread will get weakened every time you do disassemble them


Dirk (Netherlands)
delboy271155
#49 Posted : 14 November 2020 20:38:14

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Hi Dirk-Jan

Firstly, welcome to the forum.BigGrin Cool BigGrin

The issue with the TB2 legs has been sporadic, but I`m not denying its happened.

As yet I have not heard of anyone where the the thin washers have not cured the situation.

Personally, I never had an issue with my build.

Try the washers and see how it goes.

Good Luck.


Regards
delboy271155
(Derek)
COME BACK GUY FAWKES "YOUR COUNTRY NEEDS YOU"






Anomalocaris
#50 Posted : 31 December 2020 12:13:28

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I recently had exactly the same problem, the legs would not raise or lower on the left hand side. This was due to a drive cog not engaging with the cog at the tip of the long spindles that ran along the left side. I fixed it by inserting a plastic washer that pushed the driving cog down forcing it to engage.

I now have an issue in that the motor clicks and won't cut out when it raises itself to full height, but I can live with that as I just turn it off when it is fully raised. I don't want to keep dismantling it to fix a minor problem as I might cause more damage than good!
Dirk-Jan
#51 Posted : 06 March 2021 13:31:04

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delboy271155 wrote:
Hi Dirk-Jan

Firstly, welcome to the forum.BigGrin Cool BigGrin

The issue with the TB2 legs has been sporadic, but I`m not denying its happened.

As yet I have not heard of anyone where the the thin washers have not cured the situation.

Personally, I never had an issue with my build.

Try the washers and see how it goes.

Good Luck.


Regards
delboy271155
(Derek)



Hi Delboy and other Forum members,

After reading all your solutions to the problem i bought myself online 5x (Ring M2,5 plastic 6,0x0,5mm) washers and put them under the gears. Problem solved. It's working.

Thank you very much on all your help in solving the problem. It's much appreciated.

Kind regards.
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