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Forums13
Topics6,532
Posts36,953
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Most Online117 Jan 16th, 2020
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#20554 - 05/12/17 05:51 PM
Re: Jack sync problem
[Re: Jluff]
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Joined: May 2013
Posts: 224
Jcjmowrey
enthusiast
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enthusiast
Joined: May 2013
Posts: 224
Atlanta ga
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I've had same issues with 2 and 3 Stage tk jacks. You do have to change all the packing seals, internal and external. There are check valves at the bottom of the lower plunger on a 2 stage and the lower and middle plunger on a 3 satge. TK says they haven't had issues with these since 2003 so it's more than likely the packings. I have instructions on the procedure so pm me an email address if you need it. You will need to hang the car and have a couple of good chain wrenches and a strap wrench to disassemble the heads. I've had to do this on a few that were less than 2 years old. Bad batch of packings or poor design???
If all else fails, read the instructions
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#20558 - 05/12/17 06:21 PM
Re: Jack sync problem
[Re: Jluff]
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Joined: May 2013
Posts: 224
Jcjmowrey
enthusiast
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enthusiast
Joined: May 2013
Posts: 224
Atlanta ga
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Those valves can cause the issue but I've never had a problem with them except when I was with tk in construction, they sent a jack out from the factory missing the check valve. The ones I've had issues with, when we pulled plungers out, the packing at the base of the plungers had broken into pieces.
If all else fails, read the instructions
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#20566 - 05/13/17 12:09 PM
Re: Jack sync problem
[Re: elmcannic]
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Joined: May 2013
Posts: 224
Jcjmowrey
enthusiast
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enthusiast
Joined: May 2013
Posts: 224
Atlanta ga
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I have an older tac 20 that was used on a mod. It's a 2 stage with a car sling that's seems like it's not the typical one used. The removable brackets on top of the styles are longer making the crosshead higher. I know this was engineered to create more rise. The jack sync sensors are the optical type , not the magnets like on newer tac 32's. I've tried to set up the jack RESYNC time but it seems as this feature was not on this older version of software? , and I'm guessing this unit will only RESYNC when the sensors see its out of sync. And of course the previous service company has taped up the sensors after a few went bad so it never resync's. I'm going to replace the sensors but I'm I right about the older version not having a feature to auto resync at a set time?
If all else fails, read the instructions
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