B3300 Shuts Off When I go Forward/Reverse

[brsox88]

My B3300 runs fine at any RPM, but shuts off almost immediately as I go forward or reverse, almost like a safety switch is causing it to turn off. I have reviewed alot of posts relating to this but I have already taped the switch under my seat and I know its not fuel related. Playing with the gear shifter (its hydro-static) sometimes helps it seems. What could be causing this?

 

[prichard]

Mine only has seat switch. No other safeties for motion. Maybe switch is bad. I'd try jumping it out.

 

[George2615]

I'd also say seat switch. You say you taped it but it probably needs to jumped or replaced. On my tractor the parking brake has to be released or the engine will quit too.

 

[brsox88]

I thought there was a sensor behind the rear tire for the forward/reverse pedal too? I have two switches on my seat, one for the operator weight and then another that gets pushed if you tip the seat up which I have no idea its purpose..? If I take the two wires that go to the switch and just connect them, will that basically by-pass the switch and keep it engaged all the time?

 

[Tractor Seabee]

I had the same problem on my BX. I found I needed a wiring diagram to find all the 4-5 interlock switches in that circuit on my BX. Found the culprit and fashioned a new anchoring device to fix the one behind the right rear tire that would not stay adjusted properly. Their is a old post I did on that in the archive. I will try to resurrect it.

Ron

 

[moship]

I thought there was a sensor behind the rear tire for the forward/reverse pedal too? I have two switches on my seat, one for the operator weight and then another that gets pushed if you tip the seat up which I have no idea its purpose..? If I take the two wires that go to the switch and just connect them, will that basically by-pass the switch and keep it engaged all the time?

Seat up is for when running something from the PTO without an operator (at least on my tractor). An example would be when running a wood chipper.

 

[CanuckPT]

My B3300SU has a very temperamental HST neutral safety switch.

Kubota b3200 sticking forward pedal / starting problem interlock - YouTube

 

[coldsteelva]

Is the parking brake set? Could it be stalling out vs. safety trigger?

 

[brsox88]

My B3300SU has a very temperamental HST neutral safety switch.

Kubota b3200 sticking forward pedal / starting problem interlock - YouTube

And this switch caused your B3300 to stop running when you would move forward?

 

[CanuckPT]

When it's misbehaving it sticks & my tractor won't start until I fiddle around with the pedal or spray it to lubricate it. Someday it may pi$$ me off enough to get at it with more than a spray.

 

[CanuckPT]

I thought there was a sensor behind the rear tire for the forward/reverse pedal too? I have two switches on my seat, one for the operator weight and then another that gets pushed if you tip the seat up which I have no idea its purpose..? If I take the two wires that go to the switch and just connect them, will that basically by-pass the switch and keep it engaged all the time?

I believe the one when the seat is tipped up allows the tractor to run while you use the PTO to run a chipper for example.

 

[Tractor Seabee]

And this switch caused your B3300 to stop running when you would move forward?

On my BX the switch was anchored with two screws into a Tinnerman type clip. It kept coming loose so I fashioned a piece of flat bar with two tapped holes for hardened hex key NF bolts. End of problem. Maybe look for a similar situation.

Ron

 

[brsox88]

On my BX the switch was anchored with two screws into a Tinnerman type clip. It kept coming loose so I fashioned a piece of flat bar with two tapped holes for hardened hex key NF bolts. End of problem. Maybe look for a similar situation.

Ron

And was your switch located in the same place as in that video?

 

[Tractor Seabee]

And was your switch located in the same place as in that video?

The BX is arranged different. the switch is behind the RR Tire. The clip is back behind other stuff, almost impossible to get to. I'll see if I can resurrect my old post on that subject.

Ron

 

[brsox88]

I just wanted to update this in case another person came looking to this thread. The seat switch did turn out to be the issue. I ordered a new one for $6 and the issue has not reappeared after 10 hours on the machine.

 

[CanuckPT]

I'm glad to hear that it's solved!

 

[prichard]

Thanks for reporting back. That will likely help others