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Komatsu pc88mr-8 hydraulic trouble

Dentman73 ยท 2019-12-18 22:05

User code E20 failure code dhs5kx,anyone ever have this problem, auto deceleration works on boom ,stick and bucket, hydraulic thumb does not work ,travel and swing does not function normally.

Replies7
  1. #1Bls repair2019-12-18 22:11

    Is thumb factory install or after market?

  2. #2Dentman732019-12-18 22:16

    Werk-brau to match bucket and coupler

  3. #3LACHAU2019-12-19 00:02

    Hope this can help you.

  4. #4Dentman732019-12-19 00:48

    Thanks LACHAU ,I will try with this.

  5. #5Dentman732019-12-19 10:19

    Co1 (amp 81) pin number locations ? I have it disconnected but do not know pin locations.

  6. #6LACHAU2019-12-20 00:00

    CO1 is Connector name. AMP 81 means connector type AMP with 81 pins.

  7. #7Dentman732019-12-20 11:23

    Thank you very much,my service manual does not show the pin number.