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Slow stick in

stormchayser ยท 2015-03-05 05:40

i got a 329 d excavator that is very slow in responding to stick in function, stick out has full speed to spec stick in takes abot 2 sec to respond and pics up momentum untill full speed .put a pressure gauge in liine with pilot line stick in pressure is slow in coming to spec ,any one had this fault before ,all other functions are with in spec, serial JAT

Replies5
  1. #17072015-03-05 08:05

    So to be clear the pilot pressure builds up gradually ? Do you have a pattern control changer on this machine ?

  2. #2lantraxco2015-03-05 10:38

    Sounds like a sticky pilot cartridge?

  3. #3stormchayser2015-03-05 13:23

    No no control changer

  4. #4stormchayser2015-03-05 20:00

    Hey mate check the machine this morning and it does have a pattern changer valve. It had creeped up locking bolt missing

  5. #57072015-03-05 22:42

    So everything works as it should ?