B2650 Spitting hydraulic fluid from vent.

[MTHJim]

My B2650 of about 165 hours has recently decide on occasion to push fluid out the vent. So far have not found a consistent pattern except with longer use of the pto. However it also had done this with the back how in place while simply moving some pallets of fire wood with the loader, and the lractor had not been used at any length of time during these moves. On that occasion it left a trail of fluid. While unit was in shop at 80 hours for a major repair due to rear end lock up issues galled the diff gear the 100 hr service was done. Any thoughts?
This has happened on 4 occasions now so for the most part it's fine. For now i keep checking the vent when tilling etc and ill stop when signs of fluid appear.
Thanks in advance for any insight,
Jim

 

[imnukensc]

Have you checked fluid level? Over filled?

 

[MTHJim]

Yes, fluid level is between the ticks on the stick.

 

[Dave_eng]

Often the issue is the fluid becoming aerated due to a suction leak on the line to the main hydraulic pump.

These leaks will not show up as drips because air can be sucked in smaller cracks and loose clamps where fluid being thicker does not leak out when machine is off.

Check clamps 080 & 070, rubber hose 060, O ring 040.

All above if your machine is a B2650HSD

Dave

 

[sardillim]

When you check the oil level be mindful of what attachments you have on the machine and the position of the cylinders. If the level is ok with the cylinders extended it may be overfilled with the cylinders retracted if they are single acting

 

[MTHJim]

Often the issue is the fluid becoming aerated due to a suction leak on the line to the main hydraulic pump.

These leaks will not show up as drips because air can be sucked in smaller cracks and loose clamps where fluid being thicker does not leak out when machine is off.

View attachment 61200

Check clamps 080 & 070, rubber hose 060, O ring 040.

All above if your machine is a B2650HSD

Dave

Thank you, will do this next. Need to verify the HSD.

 

[MTHJim]

When you check the oil level be mindful of what attachments you have on the machine and the position of the cylinders. If the level is ok with the cylinders extended it may be overfilled with the cylinders retracted if they are single acting

Last check was with back hoe off and loader bucket on ground, dbl acting on all these. Thanks for the reminder.