inner channel rising before FFL is up - Technical Troubleshooting discussion in Forkliftaction's forums

Komatsu FG25T-16:
inner channel rising before FFL is up

The main cylinders are going up before the free lift cylinder is completed up, then as the 2 main cylinders complete they force the free lift up.

I ran into this problem before w/ another truck w/ the same mast. I repacked the freelift cylinder and the problem remained. Anything else I should look at, (splitter valve, 2 main cylinders, there are no mast obstructions). Its an E50 MT Mast
Thank you

Posted 21 May 2025 19:43
Discussion started by Jesusjohn
New York, United States

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Thank you Fritz

Posted 23 May 2025 16:47
Reply by Jesusjohn
New York, United States

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arrow facing down on check valve

Posted 23 May 2025 09:07
Reply by Fritzthecat
Connecticut, United States

Be nice to forky

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Scott thank you very much I will follow your advice, have a good Memorial Day

Posted 22 May 2025 17:49
Reply by Jesusjohn
New York, United States

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Remove piston from free lift cylinder in the bottom of cylinder is a check valve remove valve and replace it also repack cylinder that will fix problem make sure that you install check valve with the hole going to the bottom of the cylinder. Good luck.

Posted 22 May 2025 11:59
Reply by Scott_
Pennsylvania, United States

Scott

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