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Forums13
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Most Online117 Jan 16th, 2020
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#29675 - 07/24/20 11:56 AM
Tac 20. Racking
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Joined: Aug 2016
Posts: 755
Jluff
old hand
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old hand
Joined: Aug 2016
Posts: 755
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Hello. I have a 4 stop dual above ground 3 stage telescopic Tac 20. It is racking along with an occasional loud bang As it gets close to top floor. I can manually sync up the jacks and it will run smooth for maybe a day or so. The car syncs up everyday at midnight also. No fault codes and no air in lines. Oil is clear . There are no signs of oil leaking from seals. Is this possibly the inside seals and synchronized valves causing the problem ?
Last edited by Jluff; 07/24/20 12:11 PM.
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#29682 - 07/25/20 01:04 PM
Re: Tac 20. Racking
[Re: Jluff]
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Joined: Aug 2016
Posts: 755
Jluff
old hand
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old hand
Joined: Aug 2016
Posts: 755
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Thanks. The 2.5T. III 3 stage is the only 3 stage telescopic complete kit Gorman shows on their website for thyssen so I guess that must be it. I will call them Monday morning to confirm. It’s about 500$
Last edited by Jluff; 07/25/20 01:05 PM.
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#29684 - 07/26/20 02:38 PM
Re: Tac 20. Racking
[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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A good strap wrench (with light grit sand paper to put between plunger and strap for grip), a small chain wrench (for upper two heads)and a big chain wrench (for lower head) have been tools that make the job easier for me.
If all else fails, read the instructions
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#29686 - 07/26/20 09:50 PM
Re: Tac 20. Racking
[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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Has to be ordered separately. I heard from vertical that the check valves made after 2004 (give or take a year??) don’t cause issues. I have always had good luck just changing all the seals and orings. It’s been a while since I’ve looked at one of the older, problematic check valve, but I don’t think they are tapered at the top and probably cause problems by cutting small o ring inside bottom of plunger?
If all else fails, read the instructions
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