Definitely main drive belt from flywheel to pumps.(most common cause by far anyway) Charge pressure warning light should have went off but maybe it does not work.
ok thanks...is this easy to swap out? can you hook these machines to a computer like an obd2 reader for a car to troubleshoot codes or anything like this? thanks for help
The G series and newer machines can hook up to a computer for diagnostics, The older machines with BOSS(digital display) can hook up to a special diagnostic tool. 98 is probably F series, if it has guages and not digital display, there is no diagnostic connection, as there is no big computer in the machine. There are 2 smaller computers, 1 for the BICS which is the safety lockout system, and 1 for the auxiliary hydraulics.
thank you for help... machine is on site still i just messed with it untill dark... so yes it seems to be an F series then...i popped off belt cover and messed around with it..the belt looks intact and nothing seems to be loose or falling off...fluid is full..pressure light is not on..all green lights on light board behind seat are lit up...but still no response from hydrolics...just nothing in controls or pedals... ??? lifted cab..everything looked normal to the eye... spool valve or sensor was just replaced as well as some other belt tentioner..the drive belt tentioner did not seem to be new but looked in tact.. possible that the pump is bad ? or something eletrical stoping it from sending ??
Does the pressure light come on b4 you start it? If the pumps are turning then the machines appears to have lost the hydraulic pump,which is also your charge pump, but if this is the case the charge pressure warning light should be on.
yes pressure light comes on before start...so this means its opperational, correct? belt is running when machine is on...but the light is not coming on ....and yes analog gauges... hmmm...guess its gotta get drug up the flatbed and brought back to mechanic... is there some type of over ride or something to unlock the wheels to pull it up onto truck ? thanks for all the help
thanks for help.. brought it to hydrolic mechanic yesterday... http://i662.photobucket.com/albums/uu342/boccellaconcrete/misc/fb1.jpg
Let us all know what happened. Could happen to any one of us and it's nice to have the knowledge to try to apply to whatever current problem we're trying to solve. I'm always worried about getting my Bobcat way down in the forest on a tight slope and having it quit or lock up or go on the fritz.
--- RCits gotta be somthing really stupid.... the guy called today and said that everything is working properly..he didnt even do anything...he said he wants to hang on to it and see if it malfunctions want to have him look at some other small things as well...but could it have fixed itself by dragging it up the flatbed ... ???? hopefully he comes up with something...ill keep u postedLet us all know what happened. Could happen to any one of us and it's nice to have the knowledge to try to apply to whatever current problem we're trying to solve. I'm always worried about getting my Bobcat way down in the forest on a tight slope and having it quit or lock up or go on the fritz.
I wonder if one or more of your relief valves in the hydraulic system opened. did your mechanic try running it under load and see if it cuts out???
he still had it...its a very reliable hydraulic shop..he said he wants to run it a little and see what happens..have been using friends 07 john deer in mean time..
Did u ever get it figured out ? My 753 is doing the same thing after it's parked overnight the I keep starting it it throws a code HP 3 and shutdown do it a few times everything kicks in and starts working?
Mines doing the same thing?
