Got a 22 Case TR310b. Blew a hose on the field. Code 4431 popped up for park brake pressure switch (plausibility check with solenoid valve). I assumed this code came up because of the lack of pressure on the hydraulic system. Replaced the hose and fluid and started the machine. At first the machine wouldn’t even move back or forward. Replaced the brake pressure switch and eventually got the tracks to work. This is where I’m at now. All boom functions are not working whatsoever. The machine is not equipped with a door. I cracked lines and the fluid smelled burnt up. Replaced the hydraulic pump and flushed most of the fluid and still nothing. I’m lost at the moment and need to get this machine back up and at work. Any help is greatly appreciated. Thanks in advance
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