I miss read your comment. I thought it said you had purchased bobcat hydraulic oil if so that is fine to use. You will have to be more specific when you say hydraulic oil. There are lots of different grades of hydraulic oil. I would stick to what the manual says or get bobcat hydraulic oil.
Bobcat oil will be fine to use in the hydraulic system. Bobcat oil is also okay to use in the chaincase as well. The oil probably has broken down over the years and has some water mixed in with it as well.
There isn't really a good way to change the hydraulic oil. You can get some of it out but there will probably still be some left in components regardless. You can take the hoses off the cooler and drain some from there. You can also take a hose off the hydraulic reservoir to drain the tank. That...
If you use this link it should get you taken care of https://www.bobcatpartsonline.com/#/catalogBrowser just select model number and type in 843. I believe the bobtach is the same on all the serial numbers. Once you select your serial number in the right side it will have a window where you can...
You can purchase them on Bobcats parts catalog online I believe as long as they are still available. I think you’d be wasting your time trying to make something. You could probably buy them and save yourself a headache getting something to work.
Okay sounds like you are getting reference voltage and ground. The middle wire is probably the issue. Depending on what position you measure the lap bar in you won't really see much voltage especially with the seat bar up on the signal wire. This is of course measuring with it plugged into the...
No Problem. If you unplug the sensor there should be a ground, signal, and reference voltage. Check it with a multimeter set to DC volts. You will have 8 volts on the reference circuit. Put your leads on the 2 outside wires I believe. Middle wire would be your signal which will be the one that...