Hi, thanks for taking the time to read this ... i recently bought a bobcat 553 f series and i now can't move it - the BICS diagnostic is #3 - traction lock hold solenoid circuit shorted to ground (Traction LED blinks 3 times on the BICS). The problem was progressive - it would sometimes lock when i was working, and over a period of a few days got worse, now i can't get it to move at all. The traction lock engages seconds after i disengage it after starting the bobcat.
I have check the voltage at the solenoid - it is 7.5v instead of the required 12v. I've checked all visible wiring and it is in good shape - when I bought the bobcat, the wiring harness had been replaced. The fuses, relays, connections etc all appear good. The wiring appears to be good... i've not opened the harness cover on the wiring because the exposed wiring appears to be good and there are no signs of damage to the wiring cover. I swapped the traction relay with the starter relay without any success. The alternator is pushing out a healthy 12.5v and the battery is strong.
I am at a loss as to what to do short of getting a bobcat dealer to come out... any thoughts? Also, I don't have a service manual and would welcome one.
I am a homeowner and this is the first time i've used a bobcat - i bought it because i have a lot of work to do to my landscaping...
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Usually hydraulic components will "self clear" any air in the system just by trying to cycle through the functions a few times.
Have to ask the question............
Did you remove and replace the hoses one at a time, or did you take them all off at the same time?
The reason I ask is............ Could there be a remote possibility that any of the hose onnection locations were switched?
Should be in the engine compartment on the right side lower next to the bottom door hinge. There are two of them in plastic covers, you will see the wiring harness going into the back of them. The relays are above battery.
have a load test done on the battery to check for a dead cell. IF the battery is dead then there will not be enough current to work the electronic controlled hydraulic valves . I imagine this machine has joy sticks for controls and not linked levers to the valves.
Hello I have a 763 highflow bobcat all gauges read good I lock down the bar and go and it locks up about like the park brake is on but its off I can 10 to 15 foot and bam it locks up if someone has a idea id sure try whatever thanks.
I found help when I purchased the repair manual for 10 bucks.On line downloaded the entire official thing and saved time with many basic issues. Forum are fine too. No need to pay Bobcat or anyone else big money for a 20 year old manual,