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Forums13
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Most Online117 Jan 16th, 2020
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#35924 - 09/14/23 07:38 AM
Re: MCE + Bucher Relevelling issue
[Re: TasElevator]
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Joined: May 2021
Posts: 46
Fehlerteufel
newbie
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newbie
Joined: May 2021
Posts: 46
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Some Ideas to check: 1. bleed L10 Valve (s. l10_gb.pdf doc S.2/2). The control manifold block is higher than the cylinder connection in the pit, because air wants to rise. (sry, I still think of air in the system) 2. Does the hydraulic hose between the cylinder and the control block move or inflate when the pressure changes? The load distribution carrier for the cylinder in the shaft pit is it dimensionally stable or does it bend under load? 3. Check zero point of hall sensor and vent. (s. delcon-300-i-9010270-e-04.pdf & bleed hall sensor.pdf id.9) https://1drv.ms/f/s!Arj9j2ORAi8Ah79UTaTq2YcjPmYT-w?e=gm4icX
It's doing my head in! Haha.
i feel it! "to share pics & vids use dropbox, onedrive, google drive or others."
Last edited by Fehlerteufel; 09/14/23 07:43 AM.
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#35928 - 09/15/23 12:16 AM
Re: MCE + Bucher Relevelling issue
[Re: TasElevator]
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Joined: Dec 2015
Posts: 1,545
Indirtwetrust
ElevatorPractitioner
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ElevatorPractitioner
Joined: Dec 2015
Posts: 1,545
Local 18
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That’s way too much. Has to have air in the line or someone replaced the oil with water. Close the ball valve and load the car. If it still compresses that much there’s air in the line. If not, there’s air in the valve. Have you bled it with the jack’s fully extended? Is the feed line ran overhead? I’ve seen pipe runs that leave a high corner where a bleeder had to be put in the 90. If you bring the dead zone back in to a reasonable distance so the car relevels at less than 1/2”, can it at least just relevel to the floor and stop?
Last edited by Indirtwetrust; 09/15/23 12:21 AM.
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#35930 - 09/15/23 05:33 AM
Re: MCE + Bucher Relevelling issue
[Re: Indirtwetrust]
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Joined: May 2021
Posts: 46
Fehlerteufel
newbie
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newbie
Joined: May 2021
Posts: 46
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Thanks for the video. For a vvvf controlled direct hydraulics the car bounces too much when stopping. What is the condition of the oil, are there small bubbles (like foam), color? Oil level in the tank with the pistons extended? Close the ball valve and load the car. If it still compresses that much there’s air in the line. If not, there’s air in the valve. additionally check if the car keeps sinking (wait 5-10min) to rule out leakage from L10 unit and or ball valve (don't forget to turn off main switch )
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