Komatsu Forklift Overheating & Hydraulic Cylinder Repair in The Field!
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- เผยแพร่เมื่อ 18 พ.ค. 2024
- Welcome back to the channel! In this video we dive into an overheating issue and we repair a hydraulic cylinder in the field! Follow along as we run through some troubleshooting steps, diagnose a leaking radiator on a Komatsu Forklift and we find some weird looking debris stuck inside a hydraulic cylinder. Please leave a comment below and SMASH that like button, it really helps the channel out! God Bless.
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The slow lowering is usually caused by the valve in the bottom of the cylinder failing. The shrink wrap you found is most likely the culprit. Either that valve or the “burst valve” is malfunctioning. I’ve had both. Good luck man, I know you’ll have it figured out.
Thanks for the tip! 🙏🏻
Love our filming days man even I learn a lot 🔥🎥
Keep up the great work bro
Thank you! 🙏🏻
On the k25 engines there's also a front plate gasket in the water pump area ive had leak as well. Also after filling up the coolant dont forget to bleed the system of air.. if not it'll spike the temp.
Had the same thing with plastic in the main lift ram on a 7fb. tripped me out when i pulled the ram out.
Crazy right?
I've replaced over a dozen radiators from the same fail point on those 16 series. Luckily, the aftermarkets are gtg.
Have you ever replaced the ones with the transmission lines around the back of it? Instead of the front? Super annoying to replace. I had to remove the counterbalance.
Sorry, I just noticed your question. Yes, I remove them without removing the counterbalance. I remove the hood/seat, fan & plastic shroud to make room. Then I bend & force out that aluminum shroud wedged between the radiator & counterbalance. That allows me to slide the radiator w/ trans lines attached straight up. Never had cooling issues with the aluminum shroud missing.
The siphon tool has a one way ball valve, when it drops into the fluid the ball moves up allowing fluid in then when you pull it up it seals and holds that fluid in the tube. So each stroke adds a little fluid in the tube and if the outlet is sufficiently lower than the one way valve in the fluid it can allow the fluid to siphon using gravity without having to move the tube up and down.
Interesting! Thank you for clarifying that 👍🏼🙏🏻
👍👍👍
I’ve seen that once but I couldn’t explain it,the plastic was blocking the check valve at the bottom of the piston
Super weird right? Never seen that before.
Heck ya my guy! Nice to see another mobile tech out here making content. I need to get myself a camera man and editor!
Keep at it, youre right! We need to inspire another generation of techs, we're getting slim pickings in the midwest
I appreciate it brother 🙏🏻 start making content, start with your phone and work your way up.
Was that debris plastic? I had a Yale walkie stacker that someone in the factory had left the part number decal on the rod when they assembled it. After six months the plastic had been shredded enough to clog the screen on the pump inlet line. Had to drain the system three times to finally clear it. Also, it might be good to check the hydraulic filter. About the lower lever needing to be pushed only partway: Does that upright have a flow-control valve? Maybe it's clogged too.
That’s a really good point about the hydraulic filter, I didn’t think of that. The weird part is, it only does it on the first stage. Second stage works great.
@@theforkliftguy The only flow controls I've ever had trouble with were on Clarks and they were mounted on the bottom of the cylinder. The idea was, if you broke a line and the fluid was going out too fast the valve would slow the flow down and the load would come down slowly. Not sure if you've got one on that truck but it's an idea for the slow lowering problem.
@@rogerthomas1982 yeah you might be right about that. If they complain about it, I’ll probably go to the control valve where the levers are and see if it has any of those.
Where do you get those shirts I’m in Florida as well and those would be great
The high visibility ones or the arm sleeves?
toyota needs the check valve in the bottom of that rod replaced, or its inside behind the feed line fitting.
You’re right! On this one in particular it didn’t have one in the bottom because it was welded. Looked it like was repaired before.
Bro what camera is this! ❤
Sony camera. I forget what model exactly. I’ll ask my media guy
Rod dropped on the fucking ground smh
Thank you for your comment Luke, I know it sounded bad, but it fell on a plastic drip pan I had laid out, nothing happened to the rod.