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Reload this Page 105 hydro, Won't Go?
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  #1  
Old 11-08-2010, 12:58 PM
Mizar N68X Mizar N68X is offline
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Join Date: Sep 2010
Location: Illinois
Posts: 156
Default 105 hydro, Won't Go?
Hello OCC group,
I purchased a 105 on ebay for cheep so I do not expect this thing to work.
BUT, it would be nice nto see if I can get it to go.
Things I have done.
1.Changed oil in the 10HP Kohler engine.
2.Rebuilt carb.
3.Topped off Hydro unit.
The engine starts really good and runs well.
Things I know.
The lever was down and the catch was applied on the RH side by the seat.
The mower was pushed by hand onto my van and pushed by hand into the yard.
After geting it running and discovering that the hydro won't go I started the engine and pushed the hydro lever forward. That made it real easy to push under the carport. It was like it was trying to pull itself????? It was easy to back up too if I moved the leaver backwards while the engine was running.
What do you think? is the hydro "TOAST" or maybe something simple?
Again this is my First Hydro Cub Cadet. It's a 105.
:help:
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  #2  
Old 11-08-2010, 01:58 PM
Yosemite Sam Yosemite Sam is offline
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Location: Medora, IL
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The VERY FIRST thing I would check is to see if the Hydro Release valves are stuck down. If they are, pull them out, clean them up get the little plungers to move freely, then put them back in.

If the valves are not stuck down, then make sure the input shaft (the little nub on the front of the transmission itself) is turning when the engine is running. If it isn't, then the spiral pin in the coupler is broken. Be careful when checking this, INJURY or DEATH could occur.
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  #3  
Old 11-08-2010, 02:12 PM
ksanders ksanders is offline
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If it is the hydro release valves, be careful letting it run with the lever in forward or reverse. If those valves finally pop back out the tractor will just take off on it's on. I was working on a 127 this spring that wouldn't move, so I went into the garage to grab a couple tools and heard the motor getting quieter. I look out and the 127 valves popped free and it went for a spin on it's own. Worse would be if you were around it and they pop free. Just a heads up
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  #4  
Old 11-08-2010, 06:16 PM
Mizar N68X Mizar N68X is offline
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Hey Yosemite Sam,
The valve you talk about???
Can I get to it by removing the seat and fenders?

OOOOHHHH!!!!!!
Not good kanders!!!!!!
I had my head under the rear wheels and was moving the lever back and forth..... Ahhhh...... there might have been two pops????
That is GREAT advise~~~!!!!!
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  #5  
Old 11-08-2010, 06:41 PM
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bsyphrit bsyphrit is offline
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Location: PA
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not to butt in but you will need to remove fenders and seat just to get to see the valves, the lever on the side has a small flaper spring that depresses the top of the valves. that is unless the PO did not replace it with self unloading valves.

once the seat and fenders are off you should be able to start the tractor and see if the tops of the valves have poped up, for saftey you may want to have the tractor rears up on jack stands incase it suddenly jumps into gear.
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  #6  
Old 11-08-2010, 06:51 PM
Mizar N68X Mizar N68X is offline
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Hello bsyphrit,
You are not butting...
I will take any help I can get...... Especially if it saves me time, money, or trouble!!!!!

Jack-stands??? OK I will try that...

Thanks!
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  #7  
Old 11-09-2010, 05:24 PM
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Flatbedford Flatbedford is offline
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Quote:
Originally Posted by Mizar N68X View Post
The lever was down and the catch was applied on the RH side by the seat.
Pardon me if I am pointing out the obvious, but after reading what I quote here, I have to ask, did you release the catch? The catch should be released for the tractor to move.
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  #8  
Old 11-09-2010, 08:07 PM
Mizar N68X Mizar N68X is offline
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Hello Flatbedford,
Yes I did release the lever.
I am curious though, once released there is no resistance and the lever lays at about 5 O'clock.
Should the lever have spring tension to stay at 3 O'clock or just be kinda floppy?
GREAT Question Flatbedford!!!!!
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  #9  
Old 11-09-2010, 08:39 PM
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cub149 cub149 is offline
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Don't be intimidated about working on it, not long ago I was intimidated about swapping engines but I did it and now I can't be stopped. With the help on this site and just digging in you will build confidence in your ability in no time. Yes, you may sit there and stare at it for an hour or so and that is OK, but once you have studied up on what you need to do just go for it. You'll be glad you did. I know so much more than I did a year ago, but still have many years of learning to be like some of these guys here and they will not let you down.
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  #10  
Old 11-09-2010, 09:14 PM
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_DX3_ _DX3_ is offline
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Quote:
Originally Posted by cub149 View Post
Don't be intimidated about working on it, not long ago I was intimidated about swapping engines but I did it and now I can't be stopped. With the help on this site and just digging in you will build confidence in your ability in no time. Yes, you may sit there and stare at it for an hour or so and that is OK, but once you have studied up on what you need to do just go for it. You'll be glad you did. I know so much more than I did a year ago, but still have many years of learning to be like some of these guys here and they will not let you down.
Perfectly said... I've leaned more from this site and just doing it in the past 5 months than I have in the past however many years of owning a cub and knowing very very little about them.
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