Adjust Knife Arm

CC9146
CC9146-UN-23SEP98

A - Wiper Plate

B - Screws

C - 5 mm (0.2 in.)


Remove carriage screw from knotter bracket and rotate knotter assembly to vertical position as shown.

Wiper plate (A) must be centered with billhook heel.

Loosen screws (B) and move arm until wiper plate is approx. 5 mm (0.2 in.) (C) from the billhook tongue groove.

Tighten screws enough to hold wiper plate for next adjustment.

  1. Check Knife Arm Adjustment

    CC9147
    CC9147-UN-23SEP98

    A - Wiper Plate

    B - Screw

    C - Billhook

    Rotate the knotter assembly down slightly while pulling across billhook.

    To move wiper plate (A) across jaw of billhook (C), a pull of 30—60 N (7—14 lb.) is required.

    Tighten screws (B) to 10 ±2 N·m (7.5 ±1.5 lb.-ft.).



  2. Adjust Billhook to Wiper Plate

    E18489
    E18489-UN-09NOV99

    A - Billhook Tongue

    B - 1—2.5 mm (0.04—0.1 in.)

    C - Arm

    D - Model or Bend Area

    Billhook tongue (A) must clear the wiper plate by 1—2.5 mm (0.04—0.1 in.) (B) as billhook tongue passes knife (wiper) arm.

    Rotate the billhook through 180° and move tongue by hand up and down to check the clearance at the closest point between tongue and plate.

    Model or bend arm (C) in area (D) to obtain correct clearance.



  3. Adjust Billhook to Knife Arm

    E18733
    E18733-UN-15JUN89

    A - Billhook

    B - Knife Arm

    C - 1.5 mm (0.06 in.) Minimum

    As billhook is revolved through its 360° cycle, lower surface of billhook (A) must clear knife (wiper) arm (B) by a minimum of 1.5 mm (0.06 in.) (C).



  4. Check Knife (Wiper) Arm

    E22712
    E22712-UN-15SEP00

    A - Throat Area

    B - Hole

    After modelling, check knife (wiper) arm for well rounded and smooth surfaces at ALL portions that contact twine or knots - particularly in throat area (A) and at hole (B) - to prevent twine fracture.



  5. Check Wiper Plate

    CC9147
    CC9147-UN-23SEP98

    A - Wiper Plate

    B - Screw

    C - Billhook

    Recheck wiping force by rotating knotter assembly down slightly while pulling across billhook (C).

    To move wiper plate (A) across jaw of billhook (C), a pull of 30—60 N (7—14 lb.) is required.

    Check that screws (B) are tightened to 10 ±2 N·m (7.5 ±1.5 lb.-ft.).



OUCC002,0002313-19-20100326