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Dan, Technician
Category: Construction and Road Equipment
Satisfied Customers: 5439
Experience:  17+ yrs. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate.
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Hyd oil leaking from vent on brake with out motor running

Customer Question

Hyd oil leaking from vent on brake with out motor running
Submitted: 1 year ago.
Category: Construction and Road Equipment
Expert:  Dan replied 1 year ago.

Hi my name is***** will be glad to try to help. what is the make model and serial number of your machine? This information did not post with your question for some reason.

Customer: replied 1 year ago.
John Deere 690b
Expert:  Dan replied 1 year ago.

Thanks for the info. What brake are you referring to? Travel motors leaking or swing motor?

Customer: replied 1 year ago.
travel motor
Expert:  Dan replied 1 year ago.

Click on this link for the brake diagram. Are you referring to 10 and 11?

Customer: replied 1 year ago.
it,s the housing that the the motor bolts to. It has a vent in the top.
Expert:  Dan replied 1 year ago.

The final drive gearbox? If it is leaking from the gearbox it sounds like the final drive motor seal is leaking and overfilling the gearbox with hydraulic oil.

Expert:  Dan replied 1 year ago.

Hi, Did you get this resolved? Please remember to rate my service or ask for further help if you need more help