Replacing Bale Diameter Sensor

  1. E56989
    E56989-UN-30MAR09

    E56990
    E56990-UN-30MAR09

    Shield Removed

    A - Shield Nuts

    B - Shield

    C - Wiring Connector

    D - Sensor

    Turn monitor-controller selector OFF. Turn tractor key to OFF position. Remove key.



  2. Sensor is located on right-hand side of tension arm.

    Loosen shield nuts (A) and remove shield (B).

  3. Disconnect wiring connector (C) from sensor (D).

  4. E48043
    E48043-UN-22MAY00

    A - Arm Assembly

    B - Mounting Strap

    C - O-Ring (2 used)

    D - Sensor

    E - Washer (2 used)

    F - Mounting Screw (2 used)

    Remove parts (A—F). Replace sensor (D).



  5. E48044
    E48044-UN-22MAY00

    A - Grooves

    Install new sensor in reverse order of removal using the following special instructions:

    • Make sure O-rings are inserted in grooves (A).
    • Adjust sensor. (See REPLACING and ADJUSTING BALE DIAMETER SENSOR MOUNTING BRACKET and ADJUSTING BALE DIAMETER SENSOR [CHANNEL 005] in this section.)



PP98408,0000043-19-20090330