I have a similar parts problem. Bobcat no longer sells the main relief valve for the high flow on the main valve body. If you end up replacing the high flow relief with a standard relief valve I could really use your high flow relief and be glad to purchase it.
The operator and maintenance manual list the gear with the thermometer as hydraulic fluid temp too high and a shut down condition. It also lists the 6 as a sensor no signal. I dont see the a2 code.
I bought a 853H that needs the main relief valve adjusted. I understand how to set the low pressure. To set the high pressure the manual says to turn on the High Flow. There is supposed to be a toggle switch located left of the operator seat to engage the high flow. There is no toggle switch...
I too just registered. I bought an 853H that wouldn't pick up the load or tilt-up with power. The drive motors work fine. With the information and advice, I have been reading from past posts I eliminated cylinder leakage. It appeared as though it was either be the dual pump or the dual main...