Crown RD 5000:

Reach and tilt wont work when you first power up truck.Then something lets off and all will work.If you get high speed pump on it will work till you shut down or get off pedals.Crown said stuck valve.Replaced the whole block with one from working truck.Calibration was done with both blocks.No change.No codes.And ideals? Thanks
  • Posted 23 Dec 2008 09:31
  • Discussion started by proshadetree
  • Tennessee, United States
Showing items 1 - 5 of 5 results.
Thanks for the info.Truck is still sitting in the shop wainting on me,We must not be that slow.Maybe next week Ill get back to it.
  • Posted 9 Jan 2009 12:28
  • Reply by proshadetree
  • Tennessee, United States
clean the priority flow valve in the bottom of P1
Does this truck have freezer oil? If so the pump might be worn out.
I have seen bad motor brushes do this as the module cannot sense the load on the pump. Most prolly is the worn out pump not loading the motor...
  • Posted 8 Jan 2009 23:42
  • Reply by marty_b
  • Ohio, United States
donations required...
On vacation right now but I have the feeling its going to be waiting on me when I return.Thanks I check it out when i get back 36v var pump
  • Posted 29 Dec 2008 03:33
  • Reply by proshadetree
  • Tennessee, United States
Sorry Proshadetree, I didnt see the header at the top stating RD5000. Same results though.
  • Posted 28 Dec 2008 11:24
  • Reply by roadtek
  • Massachusetts, United States
I take it your working on a 5000 series reach. RR5200 maybe?
If so the first thing I would have said would have beed a stuck SVE on the man block, but since you changed the whole block, I might say P-1. I've seen a lot of P-1 failures lately. Symptoms have been no accessory functions unless you turn on P-2 (or on 24 volt systems crank up P-1 speed) & hard steering. If your a Crown tech you know how to see what kind of pump you have ( variable or standard ). I'd put my money there. Feel free to send mod and ser #. How many hours on it?
  • Posted 28 Dec 2008 11:17
  • Reply by roadtek
  • Massachusetts, United States

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