I have a takeuchi tb 153 the boom lifts super slow except when I push on the left foot pedal. I switched the hydraulic hoses on the cylinder , up to the down and down to the up and it went up and down fine. Any advice would be appreciated . maybe port relief valve.
If switching hoses made it run fine that would point to a problem in the control valve for that spool. Maybe she only opens so far, the fact that it does go up would be worthwhile to examine. How many hors on unit and wonder if anything in Hydraulic filter. Simon C
It has 600 hrs.