Bobcat t590 sometimes doesn't work the attachment for the truck control

The Bobcat 863 is a skid steer loader model manufactured by Bobcat Company, a renowned manufacturer of construction equipment. The 863 model was produced from 1996 to 2003 and was part of the C-Series lineup. Here are some key details about the Bobcat 863:

1. Engine: The Bobcat 863 is powered by a diesel engine. The 863 was initially equipped with a Deutz BF4M1011F engine, which is a four-cylinder, turbocharged engine. Later models may have variations in engine specifications.
2. Operating Capacity: The operating capacity of the Bobcat 863 depends on the specific configuration and attachments used. However, it typically falls within the range of approximately 1,500 to 2,000 pounds (680 to 907 kilograms).
3. Hydraulic System: The 863 features a hydraulic system that powers the loader arms and attachments. It has auxiliary hydraulic ports for connecting various hydraulic-powered attachments, such as buckets, forks, grapples, and hydraulic hammers.
4. Controls: The 863 is equipped with joystick controls that allow the operator to maneuver the machine with precision. These controls enable the operator to manipulate the loader arms, drive functions, and auxiliary hydraulics.
5. Attachments: The Bobcat 863 is compatible with a wide range of attachments, making it versatile for various applications. Common attachments include buckets for general-purpose loading, forks for material handling, augers for digging, and sweepers for cleaning.
6. Safety Features: Like all Bobcat equipment, the 863 is designed with safety in mind. It features safety interlock systems to prevent accidental operation and rollover protection structures (ROPS) to protect the operator in the event of a tip-over.
7. Maintenance: Regular maintenance is essential to keep the Bobcat 863 operating efficiently. This includes routine checks of fluid levels, engine oil, hydraulic system, filters, and tire pressure.

see link below
https://www.pdfmanual4trucks.com/bobcat

I don't know Bobcat systems like I do Toyota skidsteer, but on Toyota if the center foot pedal is pressed with no attachment connected, it will kill everything. Could that be happening to yours? Check into friction between your actuators for the attachment fluid drive.

I got this free Pdf manual from reliable-store for free and I don't think Ive visited a mechanic or fixya for help for more than 3-4 times out of the 20 times I fixed the chipper in these 4 years

excavators work in very adverse conditions so I would be looking for corroded wire connections, loose connections or problem joy stick control

Bobcat 863 863H Service Repair Manuals - YouTube

? 3:17
www.youtube.com/watch?v=Hsp-NAdM4Sg
Oct 30, 2010 - Uploaded by DiyRepairManuals
Bobcat 863 863H, Service Manual, Repair Manual.

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If, by any chance, you were referring to the Optimus P509 instead, its user guide can be found here. Otherwise, please let me know. I'll try my best to find an user guide which better suits your needs, because, unfortunately, I couldn't find anything about 'T590' on their support page.
Regards, Carlos

email me.... [email protected].... I work for a company where one of the things we do is repair these.... I am not the guy who repairs them, but can ask for some info and get back to you.... what make and model is the breaker?