Discussion:
Slow hydraulics

I have a couple of trucks where the sideshifts are moving veeeerrrrrryyyy slow. Aux system is only running about 975 - 1000 psi (should be almost 1800). The lift/aux pump is less than a year old and the solenoid valve isn't the cause either. Anyone have ANY ideas? We're fresh out.
  • Posted 14 Jun 2009 02:10
  • By jeff_i
  • joined 2 Nov'08 - 15 messages
  • Iowa, United States
Showing items 1 - 3 of 3 results.
yep...
cylinder bypass would be my first w.a.g....
I would also be considering changing hydraulic oil and filters... as a preventive maintenance.
freezer operation?
  • Posted 20 Jun 2009 22:26
  • Modified 20 Jun 2009 22:28 by poster
  • By edward_t
  • joined 5 Mar'08 - 2,334 messages
  • South Carolina, United States
"it's not rocket surgery"
new pump fixed that particular problem. we have another one, same model, that shifts one direction ok under load but not the other. cylinder bypassing?
  • Posted 20 Jun 2009 21:11
  • By jeff_i
  • joined 2 Nov'08 - 15 messages
  • Iowa, United States
try lifting and sideshift at same time,if it sideshifts,reach or tilts faster, that means the pump isnt running fast enough,the aux side of pump is bad
  • Posted 17 Jun 2009 13:22
  • By 537man
  • joined 17 Jun'09 - 1 message
  • North Carolina, United States

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Sioux Falls, SD, United States
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Fact of the week
In 1923, French tennis player René Lacoste was promised a crocodile leather suitcase by his captain if he won his next match. He lost the match but won the nickname "the crocodile" which he had sown onto his tennis attire. Ten years later he launched the first polo shirt and Lacoste, the first brand to feature a logo on its clothing.