Check the hydraulic fluid first, low fluid or air in the system typically cause that. It could also be a stuck valve or a problem with the lift cylinders. If fluid looks fine, might be time to get a mechanic to check the valves and cylinders.arms on my 75-3 skidsteer wont lower. any ideas as to why
have you check that if other hydraulics work? Try tilting the bucket. If the bucket tilts but the arms don't lower, the problem is specific to the lift arm circuit. If nothing on the hydraulics works, it's a bigger issue affecting the entire systemarms on my 75-3 skidsteer wont lower. any ideas as to why