Bobcat S510 75-21 Error Code
75-21 Error Code
Left Joystick Y-axis Out Of Range High is the main cause of 75-21 error.Trucks involved in your service so that you can ensure the meeting of your company's targets. That means that you've got to know all about the requirements of truck repair. Let's take a look at some of the more common repairs that fleet operators are facing with today’s trucks.

Tip For S510 Model
If the engine stops, the boom / bucket
(attachments) can be lowered to the ground
using hydraulic pressure in the accumulator.
The control console must be in the locked
down position, and the key switch in the ON
position.
Use the control lever to lower the boom.