Discussion:
JCB 535 12.5

HI
Can any body help
I am new to this and i went out to a 535 12.5 and the crowd ram is very slow to go down but up its quick to go up
There is a lot of noise from the valve block right hand side of cab ?
Crowd ram load hold removed and looks ok
machine still with slow crowd ram going down and now it tops
any ideas
  • Posted 27 Apr 2012 06:37
  • Modified 27 Apr 2012 06:38 by poster
  • By Scorpion
  • joined 13 Oct'10 - 6 messages
  • KENT, United Kingdom
Showing items 1 - 2 of 2 results.
Thanks Feitor

will check and check pressures on valve block
And I will check over valve

Thankyou
Scorpion
  • Posted 29 Apr 2012 22:18
  • By Scorpion
  • joined 13 Oct'10 - 6 messages
  • KENT, United Kingdom
First step is checking the main pressure.You need more pressure to open the valve to go down,to go up the circuit is free,thats why is faster.Certainly you have to calibrate the valve block.
The other movements are good?
Let me know.
R.Feitor
  • Posted 27 Apr 2012 21:14
  • By feitor
  • joined 6 Jan'11 - 161 messages
  • Leiria, Portugal
my email: rc.feitor@hotmail.com

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