bobcat mini excavator thumb not working I have a new to me bobcat 435 mini excavator. All hydraulics work well except an issue with the hydraulic thumb, and I would love to hear your thoughts before digging into it. . Use the 3-point post hole digger to install fence posts, plant trees or dig footing. 6-inch, 9-inch and 12-inch auger bit options. Get full auger details.
0 · bobcat 331 thumbs worked
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bobcat 331 thumbs worked
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It is common on thumbs to damage the thumb cylinder squeezing the bucket against it. When you push the thumb against the bucket, system pressures might be limited to 3500 LBS. When you push the bucket against the thumb, the thumb valve is closed, the relief .If you get hold of a multimeter select DC voltage push the pins into the socket of the solenoi. I borrow a friend's Bobcat 331 Mini excavator and can't get the thumb on the bucket to work. I have to look up the manual and I find it and figure it out aft.
I have a new to me bobcat 435 mini excavator. All hydraulics work well except an issue with the hydraulic thumb, and I would love to hear your thoughts before digging into it. . Your current problem is not what relief pressure is, but that there is no relief at all when the auxiliary (thumb) control is in neutral. The fluid is locked in the cylinder so when the .
My Father has a 2002 Bobcat 331 Excavator. It did not come with a factory thumb, but he insisted to buy an aftermarket one with 1-1/2" ram, although it does have the factory . Your aux function should have a 2 stage main relief in the valve. Additionally you should have port reliefs to unload circuit pressure when the bucket works against the thumb. If .
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If you get hold of a multimeter select DC voltage push the pins into the socket of the solenoid plug . switch it on off you should see voltage. If you suspect the coil, switch it with . EXCAVATOR THUMB STOPPED WORKING!!! BRIAN VANDUYN. 11.9K subscribers. 7.5K views 5 years ago. .more. me and grandpa rewiring the thumb triger for the joystick on the excavator!The most common Bobcat 331 problems are hydraulic issues, boom failure, engine issues, electrical problems, fuel system issues, and de-tracking. You can resolve some of these . It is common on thumbs to damage the thumb cylinder squeezing the bucket against it. When you push the thumb against the bucket, system pressures might be limited to 3500 LBS. When you push the bucket against the thumb, the thumb valve is closed, the relief valve won't limit thumb cylinder pressure.
I borrow a friend's Bobcat 331 Mini excavator and can't get the thumb on the bucket to work. I have to look up the manual and I find it and figure it out aft. I have a new to me bobcat 435 mini excavator. All hydraulics work well except an issue with the hydraulic thumb, and I would love to hear your thoughts before digging into it. The thumb functions fine via the toggle on the joystick.Do a thorough inspection of the electrical switches and wiring coming from your controls for the thumb circuit on your machine in order to look for any corrosion or damage that would cause a short or open circuit.
Your current problem is not what relief pressure is, but that there is no relief at all when the auxiliary (thumb) control is in neutral. The fluid is locked in the cylinder so when the bucket pushes against it the weakest point is the extended cylinder rod which bends.
My Father has a 2002 Bobcat 331 Excavator. It did not come with a factory thumb, but he insisted to buy an aftermarket one with 1-1/2" ram, although it does have the factory Auxiliary ports with a thumb rocker switch. His problem is he .
Your aux function should have a 2 stage main relief in the valve. Additionally you should have port reliefs to unload circuit pressure when the bucket works against the thumb. If you haven't been down this road, its better to get an experienced hand in there. Too easy to get hurt or make a catastrophic mistake.
If you get hold of a multimeter select DC voltage push the pins into the socket of the solenoid plug . switch it on off you should see voltage. If you suspect the coil, switch it with one you know is working.
In this "tool" functions you need to verify it is set for a thumb and that the thumb is programmed for two-way flow. If it uses certain switches, they can also be programmed in the tool settings and may not work if the settings are not set for a thumb.EXCAVATOR THUMB STOPPED WORKING!!! BRIAN VANDUYN. 11.9K subscribers. 7.5K views 5 years ago. .more. me and grandpa rewiring the thumb triger for the joystick on the excavator! It is common on thumbs to damage the thumb cylinder squeezing the bucket against it. When you push the thumb against the bucket, system pressures might be limited to 3500 LBS. When you push the bucket against the thumb, the thumb valve is closed, the relief valve won't limit thumb cylinder pressure.I borrow a friend's Bobcat 331 Mini excavator and can't get the thumb on the bucket to work. I have to look up the manual and I find it and figure it out aft.
I have a new to me bobcat 435 mini excavator. All hydraulics work well except an issue with the hydraulic thumb, and I would love to hear your thoughts before digging into it. The thumb functions fine via the toggle on the joystick.
Do a thorough inspection of the electrical switches and wiring coming from your controls for the thumb circuit on your machine in order to look for any corrosion or damage that would cause a short or open circuit. Your current problem is not what relief pressure is, but that there is no relief at all when the auxiliary (thumb) control is in neutral. The fluid is locked in the cylinder so when the bucket pushes against it the weakest point is the extended cylinder rod which bends. My Father has a 2002 Bobcat 331 Excavator. It did not come with a factory thumb, but he insisted to buy an aftermarket one with 1-1/2" ram, although it does have the factory Auxiliary ports with a thumb rocker switch. His problem is he .
Your aux function should have a 2 stage main relief in the valve. Additionally you should have port reliefs to unload circuit pressure when the bucket works against the thumb. If you haven't been down this road, its better to get an experienced hand in there. Too easy to get hurt or make a catastrophic mistake. If you get hold of a multimeter select DC voltage push the pins into the socket of the solenoid plug . switch it on off you should see voltage. If you suspect the coil, switch it with one you know is working.
In this "tool" functions you need to verify it is set for a thumb and that the thumb is programmed for two-way flow. If it uses certain switches, they can also be programmed in the tool settings and may not work if the settings are not set for a thumb.
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