Why is the shock relief valve on my Bucket curl cylinder bent?
Why is the shock relief valve on my Bucket curl cylinder bent?
After confirming with a straight edge that the rod for the bucket curl cylinder was indeed bent, the technician realized what had most likely occurred. The shock relief valve that the operator had tampered with was the one for the “A” port, protecting the blind (base) end of the cylinder.
Why is my backhoe bucket lift not working?
CAT 416 Backhoe. The bucket lift suddenly became very weak and would hardly lift half way up. Working another control would seem to make the bucket lift momentarily. All the other hydraulics still worked flawlessly. The problem turned out being the o-ring seals on the check valves in the hydraulic valve group.
What causes a mobile hydraulics cylinder to bend?
While lifting with the bucket locked in position, the excess weight was essentially forcing the piston against a body of trapped fluid in the cylinder. With the rod fully extended, and the shock relief taken out of action due to the operator adjustment, the excess weight was flexing the bucket and making the cylinder rod bend.
Why is my mobile hydraulics not working properly?
There was a bit of scuffing on the jam nut for one of the two shock relief valves in the bucket curl section. It appeared as though just one of the two shock relief valves had been adjusted by someone. The technician wondered if this change could have anything to do with with the slow bucket curl in both directions.
Is there a Repair Manual for the Kobelco excavator?
At KOBELCO, we build the Kobelco excavator service repair manualdownload with features you won’t find anywhere else. The Kobelco repair manual will let you power through the toughest jobs, get more done in less time, balance performance with efficiency and stay safe while you do it all.
Is there an endless supply of kabelco excavator parts?
We have a seemingly endless supply of Kabelco excavator parts. Our broad selection offers new aftermarket, OEM surplus, used, rebuilt, and remanufactured parts. All of our parts are guaranteed.
Which is the best repair mode for Kobelco?
Use H-mode for heavy-duty operations, S-mode for standard jobs and the ultra-efficient ECO-mode when repairing and servicing using the Kobelco workshop manual is a top priority. Generation 10 machines take that efficiency even further.
After confirming with a straight edge that the rod for the bucket curl cylinder was indeed bent, the technician realized what had most likely occurred. The shock relief valve that the operator had tampered with was the one for the “A” port, protecting the blind (base) end of the cylinder.
