I did a big mistake and ran my hydraulic level extremely low and after refilling it although the front actions and bucket work the 48 backhoe is stuck in the down position cannot get Outriggers to go up or down the bucket to close or open the most importantly the entire thing to lift up into the Locking area position I believe there is air in the lines is there a simple bypass bleeder spot or is there a separate hydraulic reservoir for the backhoe itself