3 point lift has 5 second delay

Rudevette · Mar 1, 2012

It's a bobcat but since it's the same as kioti here goes:

So my Bobcat Ct235 has about 150 hours on it now. It is a couple of years old. :confused2: I changed all fluids and filters at 65 hours and everything was fine. This morning I ran 3 miles down the road doing some snowplowing, a little blowing, etc. to get the road opened so my wife could get home from work. Everything worked fine. Tractor was about out of fuel so I parked it by the house and went to town to get fuel and take care of some business. When I got home 5 or 6 hours later I fueled it up and started it, jumped on it and blew snow back aways. Then when I went to lift the blower it didn't lift. It takes about 5 seconds, then I hear the pump make some whining noise and the blower lifts. It drops just fine and the drop speed adjustment knob is not the problem because it makes no difference where it's set. The rear hydraulic remote is hooked up to the chute rotator on the snowblower and it works perfectly. The loader works perfectly. All are fast and responsive. It's just the 3 point that is having a problem. Can anybody help me out here?

Thanks,
Justin

oldnslo · Mar 1, 2012

Rudevette said:
It's a bobcat but since it's the same as kioti here goes:

So my Bobcat Ct235 has about 150 hours on it now. It is a couple of years old. :confused2: I changed all fluids and filters at 65 hours and everything was fine. This morning I ran 3 miles down the road doing some snowplowing, a little blowing, etc. to get the road opened so my wife could get home from work. Everything worked fine. Tractor was about out of fuel so I parked it by the house and went to town to get fuel and take care of some business. When I got home 5 or 6 hours later I fueled it up and started it, jumped on it and blew snow back aways. Then when I went to lift the blower it didn't lift. It takes about 5 seconds, then I hear the pump make some whining noise and the blower lifts. It drops just fine and the drop speed adjustment knob is not the problem because it makes no difference where it's set. The rear hydraulic remote is hooked up to the chute rotator on the snowblower and it works perfectly. The loader works perfectly. All are fast and responsive. It's just the 3 point that is having a problem. Can anybody help me out here?

Thanks,
Justin

Does this model have draft control? If yes is it possible that while blowing snow a little snow got packed in around the linkage and melted from the tranny warmth. You then parked it for a few hours and froze up causing some binding. Just a guess but I have had snow freeze the throttle linkage up before.

Roy

Rudevette · Mar 1, 2012

The only draft control is the knob on by the floor that slows down the lowering speed of the 3 point. It works fine. I can get it to drop very fast to very slow and everywhere in between. I didn't see any ice frozen to anything on the trans either. (on the outside that it)

Patches · Mar 1, 2012

Sounds like something in the three point assembly is "frozen and/or binding". I would suggest a carefull scan of the lift arms and the assocciated pins/linkages. The whining would probably be the relief valve saving your pump

LastSTRAW · Mar 1, 2012

Do you or a friend have a building you could move the tractor into? Let it run for a while warm up and melt all the snow to see if you have the same problem. It could be an easy fix.

Rudevette · Mar 1, 2012

Ok. I just went out and played with it. Once I pull the lever to lift it takes between 16 and 18 seconds to lift. The noise it makes is the engine starting to take some load as it goes up. It does not whine like a hydraulic bypass valve bypassing. There is no snow or ice anywhere on it. I will try sticking it in the garage as a last ditch effort

Coyote machine · Mar 1, 2012

Rudevette said:
It's a bobcat but since it's the same as kioti here goes:<snip>Bobcat Ct235 has about 150 hours on it now. It is a couple of years old. :confused2: I changed all fluids and filters at 65 hours and everything was fine. This morning I ran 3 miles down the road doing some snowplowing, a little blowing, etc. to get the road opened so my wife could get home from work. Everything worked fine. Tractor was about out of fuel so I parked it by the house and went to town to get fuel and take care of some business. When I got home 5 or 6 hours later I fueled it up and started it, jumped on it and blew snow back aways. Then when I went to lift the blower it didn't lift. It takes about 5 seconds, then I hear the pump make some whining noise and the blower lifts. It drops just fine and the drop speed adjustment knob is not the problem because it makes no difference where it's set. The rear hydraulic remote is hooked up to the chute rotator on the snowblower and it works perfectly. Do you have an A/B lever for your remotes that might be in the wrong position? Have you verified hydraulic fluid level recently? The loader works perfectly. All are fast and responsive. It's just the 3 point that is having a problem. Can anybody help me out here?

Thanks,
Justin

Please see questions above in blue.

Thanks, CM

Rudevette · Mar 1, 2012

Fluid level is good and I only have one set of remotes and the control lever is in the neutral position. If it was stuck in either detent the chute rotator would be stuck all the way one wy or the other.

LaVoie Equipment · Mar 1, 2012

Rudevette said:
Fluid level is good and I only have one set of remotes and the control lever is in the neutral position. If it was stuck in either detent the chute rotator would be stuck all the way one wy or the other.

Could have piece of trash in MLS valve. This is the valve under seat that controls drop rate of 3 point hitch. Slim chance but possible. Before that check all your hydraulic lines, you could be sucking air in somewhere causing this problem. Check fill cap on rear and make sure air will pass through. Thats it without looking at it myself.

Tony