I just bought a new to me 2006 Takeuchi tb175. I'm having a problem with the Dozer blade lever sticking in the down position and creeping the machine up slowly while you're digging or walking. It kind of sucks when you're walking and the blade is behind you and it starts dragging. If you move the lever back to the neutral position it will stay put until the machine starts bouncing a little. I was wondering if anybody has had a similar problem to this whether it be the cable that goes from a lever to the valve body or if it's something in the valve body. I know it's not on the lever side I've already had that apart. Where the cable goes into the valve body it's not a very accessible place. Any input would be great I appreciate it thank you in advance.
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Takeuchi tb175
- Thread starter rs0630
- Start date
uffex
Senior Member
Good day
It appears that you have identified the issue belongs to the dozer main valve here is some information that I hope will help.
Kind regards
Uffex
It appears that you have identified the issue belongs to the dozer main valve here is some information that I hope will help.
Kind regards
Uffex
solved.... the spring holder cap has a vent hole allowing water and years of dust and dirt to get in there. It built up on the inside of the cap and spring so much that it restricted the movement of the valve. The spring is there to center the valve in the neutral position. Just cleaned the inside of the cap with a dremel (it was that caked in there) and cleaned the spring for now. Im going to try and locate a new spring and cap. Works as it should now.
heymccall
Senior Member
tool_king
Senior Member
What is you email address I can send you the service manual if you would like to have one for it ?
Dana Winchester
New Member
Hi I have the same problem. THANK YOU for your post! I took the cover off mine and cleaned it as best I could. Lubed it with fluid film and its marginally better. I am hesitant to unscrew the spring retainer. What surprises can I expect?
uffex
Senior Member
Good day Dana
Providing the spool is free, the spring tension will release as you unscrew the retainer. What may be an issue is that the spool will rotate as you try to unscrew the retainer, a spool clamp is the normal method to hold the spool.
If not, pull the spool from the block to be ready to cap the opening as you will lose a lot of fluid, now this may sound drastic, but it always worked for me. Take a sheet of canvas backed emery (Abrasive paper) - rap the spool canvas side and clamp the unit in the vice, this will allow the spool to bite into the canvas preventing rotation.
You can remove clean the parts and reassemble - in most cases the retainer screw will have thread lock applied.
Hope it helps kind regards
Uffex
Providing the spool is free, the spring tension will release as you unscrew the retainer. What may be an issue is that the spool will rotate as you try to unscrew the retainer, a spool clamp is the normal method to hold the spool.
If not, pull the spool from the block to be ready to cap the opening as you will lose a lot of fluid, now this may sound drastic, but it always worked for me. Take a sheet of canvas backed emery (Abrasive paper) - rap the spool canvas side and clamp the unit in the vice, this will allow the spool to bite into the canvas preventing rotation.
You can remove clean the parts and reassemble - in most cases the retainer screw will have thread lock applied.
Hope it helps kind regards
Uffex
uffex
Senior Member
Good day
Also came to mind, maybe applicable.
Kind regards
Uffex
Also came to mind, maybe applicable.
Kind regards
Uffex
Dana Winchester
New Member
Hey Uffex, Thank you for your input! I took the cap off and it was a real mess just as was the original posters spring. It took a stone on a drill to get the carbo0n buildup off the cap. Great engineering feat putting a hole in it on the top. LOL I brushed down the spring as well as I could fluid filmed it and hand worked it. I can feel the buildup on the shaft that retains the spring and the spring itself is a mess and has to be replaced. I reassembled it all and It has stopped creeping down when I work. The bouncing of the control ever is still to much for the spring, (I guess) so I have to gently hold it as I walk the machine. I am ordering parts and will attempt to pull the valve out. Just how much oil is going to come out? It's above the reservoir tank If I can get the bucket arm lower will it help.
uffex
Senior Member
Good day Dana
Make sure you vent the reservoir before you attempt spool removal, if that spool is cable operated it may be possible to hold the cable connection while you unscrew the spring retainer, you could be lucky. If you must pull the spool, have a dowel spool size to push into the spool ends. I cannot be sure how much fluid may come out, but I suggest preparing for the worst and hope for the best.
Kind regards
Uffex
Make sure you vent the reservoir before you attempt spool removal, if that spool is cable operated it may be possible to hold the cable connection while you unscrew the spring retainer, you could be lucky. If you must pull the spool, have a dowel spool size to push into the spool ends. I cannot be sure how much fluid may come out, but I suggest preparing for the worst and hope for the best.
Kind regards
Uffex