3ph dropping repair

/ 3ph dropping repair #1  

VashonFarmer

Bronze Member
Joined
Dec 9, 2009
Messages
83
Location
Vashon, WA
Tractor
Bobcat CT225
This has been posted before by charlz back in '06, but this was my first hydraulic repair on a new-to-me machine I picked up in December (my first), and I'm feeling a bit proud. :cool: The tractor is an early model B8200.

The 3ph would drop slowly but visibly with weight on it which was aggravating at best. Ordered up a set of O-rings and got it done in 1.5 hours, including removing a couple parts that I didn't need to and getting on line to research a small sticking point. Not bad, I'd say.

Here are some pics:
http://www.tractorbynet.com/forums/attachment.php?attachmentid=158015&stc=1&d=1268184854
http://www.tractorbynet.com/forums/attachment.php?attachmentid=158016&stc=1&d=1268184854
The cylinder came out with some magnets like charlz suggested but I first had to work it back and forth with the lift arms to get it loose.
http://www.tractorbynet.com/forums/attachment.php?attachmentid=158017&stc=1&d=1268184854
The inside isn't perfect, but probably a bit better than the pic makes it look.
http://www.tractorbynet.com/forums/attachment.php?attachmentid=158018&stc=1&d=1268184854
I neglected to take a shot of the new O-ring, but trust me, it's a fair shot more proud than the old one.
http://www.tractorbynet.com/forums/attachment.php?attachmentid=158019&stc=1&d=1268184854
I also replaced the odd little backer ring. Not sure if it was necessary but it was cheap...

I also did the O-ring on the cap. The whole thing ran about $11.

My daughter got home just as I was finishing and Dad duties were calling, but it didn't drop at all in 15 minutes. I'm gonna call it fixed!

BTW... If it showed in the pics I'll answer a couple other nagging questions. Yes, I had to do this outside in my driveway. No, I'm not happy about it. Yes, I have plans to fix that problem this spring/summer. :thumbsup:

Andy
 

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