Cat 287b no movement

Tferrari1569 · Dec 27, 2020

I recently bought a 07 287b track machine. And I went to offload it and I have no movement forward or reverse. On right side final it has a new small hose and a new feed hose. Parking brake light does turn off when pushed. Machine also when you pull back for reverse does sound the backup alarm.

Tferrari1569 · Dec 27, 2020

I also found this large ground strap on back of cab window looks like it goes into wire harness. Not sure where it should bolt to.

rmllarue91 · Dec 27, 2020

It grounds cab to frame bolt it to closes lug

Tferrari1569 · Dec 27, 2020

Ok so it goes to that bolt were that bracket is? Wonder why someone would unbolt that.

rmllarue91 · Dec 27, 2020

Tferrari1569 · Dec 27, 2020

Ok ill look for that tommorow. Any insight on to as why machine won't track anywhere

rmllarue91 · Dec 27, 2020

If ecm doesn't have enough ground it can't send power to park brake solenoid aux probably won't work or two speed solenoid probably head lights or blower motor I'd guess

Tferrari1569 · Dec 27, 2020

Headlights work. Blower motor works. I'll try putting on ground strap tommorow and see what happens

catman13 · Dec 28, 2020

you may have lost the joy stick, my 289c ran fine parked it a few days later i went to use it and the hydraulic joystick did not work ended up replacing it

Nige · Dec 28, 2020

Tferrari1569 said:
I recently bought a 07 287b track machine. And I went to offload it and I have no movement forward or reverse.

Did the machine drive on to whatever trailer was used to transport it.?

For accurate service/technical information please post a Serial Number.

Tferrari1569 · Dec 28, 2020

Mine is pilot controlled I believe. A cat guy is telling me possible brake solenoid. The story I got from kid is not accurate. He told me he blew a line on the right final. Witch I see he repaired 1 small line and 1 big line. He said he put a hose repair kit on. To get onto trailer.

Tferrari1569 · Dec 28, 2020

Then I'm powerwashing machine last night. I found thst ground strap not hooked up. And under machine a small skid plate not installed. I'm going to drain down hydro tank. It'd not even on the sight glass.

Nige · Dec 28, 2020

That disconnected ground strap indicates that someone had the cab up for some reason, maybe to replace the busted hose(s).?

Here's how the pilot system operates.

Tferrari1569 · Dec 28, 2020

Well I re-attachex the ground strap but the cab goes up and down just fine with the ground strap hooked up.

Mobiltech · Dec 28, 2020

Yes that’s normal. It’s at the back of the cab so it just flexes when the cab is raised.
Years ago my 287 would stop moving from time to time when I hit a bump. Turned out to be that ground strap not making a good connection and losing continuity to ground. Took it off and cleaned it . Had no more problems.

Tferrari1569 · Dec 28, 2020

Did you attach yours at the top bracket of thr hydro tank.

Mobiltech · Dec 28, 2020

I think there is a welded boss on the frame right above the tank. It will work either way as long as you clean the paint off all contact points.
With that strap off the cab has to ground through the hinge pins which can be very intermittent.

Tferrari1569 · Dec 28, 2020

Ya since I did thst. I still have no movement

Mobiltech · Dec 28, 2020

If there are no warning lights on when you go to move you will have to check the park brake valve next I think.
Does the loader control work?

Tferrari1569 · Dec 29, 2020

The bucket works fine.

Cat 287b no movement

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