287B wiring schematics and ideas

[thomas02]

hey there, Im working on a cat 287B skid steer and my park brake light is flashing it wont release. all other hydraulic functions are working. is there any schematics available for everything related to the park brake circuit so I can diagnose this problem? I cant find anything on line.

 

[thomas02]

serial # is CAT0287BTZSA00422

 

[Nige]

hey there, Im working on a cat 287B skid steer and my park brake light is flashing it wont release. all other hydraulic functions are working. is there any schematics available for everything related to the park brake circuit so I can diagnose this problem? I cant find anything on line.

I think you can probably find everything you need in this thread, including the troubleshooting procedures. It's a bit long-winded but stick with it, you'll get there in the end. Note the electronics on your parking brake/operator interlock circuit are exactly the same as the 226B that is the subect of the thread.

EDIT: You also need to be mindful of the "deliberate mistake" in the text of the troubleshooting procedure that was discovered during the process of diagnosing the problem.

CAT 226B Parking Brake Indicator and Armrest Indicator Are Flashing

Hello, I'm trouble shooting Parking Brake Indicator and Armrest Indicator Are Flashing on my CAT 226B serial number MJH08353. In the attached picture, in purple I highlight what I believe is the detent coil. I have two questions, first, is this the detent coil? It's located under my right hand...

www.heavyequipmentforums.com

Check your message inbox for an electrical schematic.