freezing up

[jfwill]

i have ab2910 HST w loader la402 loader in cold weather and after warm up period about 10 mins. as per operators manual the loader bucket will go up, bucket will pivot to dump but will not lower until i work the control lever up and down until it breaks loose like its frozen up in the down position . any help would be appreciated.thanks john

 

[KennyV]

There is water in the control valve... It will condense inside where the return to center spring is located... NOT in the hydraulic oil side of the control valve...

S simple small hole drilled in the lowest point will allow it to drain, when it is not frozen ... KennyV