873 bobcat button

[elkmaster101]

I have a 873 bobcat advantage model with a red pull cap type button next to the gas accelerator ? no clue what it does its on the right hand side of the seat down along side about 1" sq on top. with no instructions?

 

[Tazza]

It is used to lower the boom if the engine was shut down. Lift the arms, shut the engine off, rotate it 90 degrees clockwise then lift it up. The arms should lower.
These do get rusted over time, or they can start leaking.