Recent content by RickJ

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    RPM fluctuation

    I have a 1999 B21 TLB hydrostatic with approx 2400 hours. It starts and runs great. However, when it's cold and I start working, say at 2000 rpms, when I hit the pedal to go forward or backwards it drops to about 1750. It will stay at 1750 while I'm working, but if I stop moving it goes back up...
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    Backhoe swing arm movements

    I took the control valve assemble off and found one screw missing from the spool end cap. The other screw was loose. I put a new screw in and tightened them up and everything is back to normal.
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    Backhoe swing arm movements

    I recently purchased a well maintained 1999 B21 TLB with approx. 2400 hours. It has the BT751 backhoe. I’m new to backhoes and don’t know much about hydraulic valve bodies and spools, either. The last couple of times out, I notice if I push the swing arm lever all the way to the left, it stops...