Crown RR5725-45:
RR5700 Lowering problem

The forks on a RR5700 just stop lowering...no wrench. I took PVL out, inspected & cleaned it, reinstalled it...no lower. I put a new valve in, calibrate it and i'm back in business. Few days later the same thing occurs...same repair procedure...same result. This has happened 4x to the same truck. Crown says they're experiencing no valve issues. Any thoughts??
  • Posted 21 Aug 2014 22:04
  • Discussion started by jeffrey_r
  • Pennsylvania, United States
Showing items 1 - 3 of 3 results.
I'm seeing a velocity fuse theme...thank you for your suggestions. I will advise on the outcome.
  • Posted 28 Aug 2014 02:33
  • Reply by jeffrey_r
  • Pennsylvania, United States
try going into performance menu and change lower speed from 9 to 8
have had no issues of valve locking but have had tanks overflowing so i change this as aprecaution on all 5700's
  • Posted 25 Aug 2014 17:34
  • Reply by crownie
  • Victoria, Australia
Is the velocity fuse locking out, it can do when bouncing mast lowering, lower or change raise and lower ramp speeds, and calibrate all hydraulics, or velocity fuse bottom of l/h 2nd stage lift ram
  • Posted 22 Aug 2014 07:02
  • Reply by southernviking
  • South Island, New Zealand

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