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  Viewing User Profile for: Tazza
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Joined: 08-12-2004 03:13 AM
Last Login: 23-10-2014 08:42 PM
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Signature: Bobcat 763 burntSadbut i'm working on it!, 04 S150 with air and a smooshed cab, S250 turbo.
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 Post Statistics
Tazza has contributed to 11,753 out of 76,649 total posts (15.33% of total).
Most Recent Posts:
Re: troubleshooting Bobcat 643 10/23/2014 8:29:25 PM   (Total replies: 1)

That brass filter will not bog the engine down like that, it reduces drive power but the engine keeps going. Not a bad idea cleaning or replacing it if you have one. Looking at the drive pump, there should be a square block on the hydraulic pump with 3 hoses on the left looking from the bucket. It should be behind the middle one. Remove the hose AND the fitting, it's hiding inside there.

Replace the fuel and air filters first. Check the primer bulb too, if it is being sucked flat ...

Re: bobcat 530 hydraulic fluid leaking into bottom? 10/13/2014 2:38:35 PM   (Total replies: 2)

I don't know if yours has a seal in the motor on the reduction box.

Either way, the drive motors need unbolting from the chain case. Hopefully they will simply slide out. With them out, if the seal is not in the drive motor, there will be a seal on the chain case around the shaft the drive motor spline slides into. Drill a hole and screw in a self tapping screw and use pliers to pull it out.

Re: bobcat 530 hydraulic fluid leaking into bottom? 10/12/2014 2:38:25 PM   (Total replies: 2)

Leaking into the bottom, do you mean the chain case?

There are seals that hold the fluid in the motor, if they go bad it can pump into the chain case.

Re: t190 hydraulics real slow and machine won't move like brakes still! 10/23/2014 8:42:32 PM   (Total replies: 1)

This is becoming a trend..... There have been some nightmare dealings with Bobcat over their tracked machines lately......

Sadly a travel motor for a tracked machine is expensive, it's a bit rude they won't garantee it though....

Re: bobcat 530 hydraulic fluid leaking into bottom? 10/14/2014 2:23:29 PM   (Total replies: 2)

I wasn't 100% sure if your model had a motor carrier/gearbox or not. The older ones did have the sprockets mounted to the shaft of the drive motor, the others did not, they just slid out of the carrier.

If yours are mounted inside, you will need to un-do the bolts inside, but i don't believe the chains need to be taken off.

Re: 751 peugeot XUD9 to Kubota V2203 conversion 10/22/2014 3:15:16 PM   (Total replies: 1)

You will also need a new bell housing i believe, the pug one is on the wrong side, and i don't believe it is as simple as flipping it over as the belt tensioner runs on this housing too.

I'm a little concerned about the engine rotation, check that it will still rotate the same direction if the pump was around the other way.

The pump changes are confussing me a little too. I'm looking at a picture of a pump and you will need to change more than just the centre piece that the ...

Re: 751 peugeot XUD9 to Kubota V2203 conversion 10/23/2014 8:36:41 PM   (Total replies: 0)

Personally i'd remove the end pumps and wear plates, rotate the middle section and replace the wear plates and pumps.

While you are in there, check the plates for wear, if you can feel marks with your finger nail, replace them or get a sheet of glass and wet and dry and sand them out. Any little marks here reduce your drive power.

That sounds about right to me too, fly wheel, bell housing, air filter may be needed and a wiring harness if you decide to go all out.

I ...

Re: no fuel going to two injectors on 763 12/5/2013 1:13:25 AM   (Total replies: 0)

I know it's been said, but the bleed screw must be closed, if that has been done, you have tried everything i would, it's possible something is stuck inside the pump. The problem is, the pump is not servicable by the general handy man, the parts inside are very precise and tuned so they all deliver the same abount of fuel. A diesel injector shop will need to do the work.

You can remove the delivery nozzles on the pump, there is a one way valve and spring under here, do not dig ...

Re: 763 still not starting 10/23/2014 8:22:36 PM   (Total replies: 0)

What do you class as burnt?

It is possible the gasket blew between cylinders, you should notice that on the gasket though.

Re: bobcat 530 hydraulic fluid leaking into bottom? 10/23/2014 8:24:15 PM   (Total replies: 0)
Nice work, hopefully they will be leak free for a long time now.

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