Adjusting Reel Or Roller Drive Chains

IMPORTANT: Avoid damage! Block machine securely before adjusting chain.

  1. Remove transport wheels, if equipped.

  2. TCAL41675
    TCAL41675-UN-22JAN13

    Remove five nuts (A) on left drive cover (B).


  3. Remove cover.

  4. TCAL41676
    TCAL41676-UN-22JAN13

    Loosen reel drive chain nut (C) or roller drivetrain nut (D).


  5. Reel Drive Chain: Slide idler (E) back or forth until chain deflects specified distance at mid span (F). Tighten nut (C).

    ItemMeasurementSpecification
    Reel Drive ChainDeflection1/4-in. (6 mm) at Mid Span

  6. Roller Drive Chain: Slide idler (G) back and forth until chain deflects specified distance at mid span (H). Tighten nut (D).

    ItemMeasurementSpecification
    Roller Drive ChainDeflection7/16-in. (11 mm) at Mid Span

  7. Lubricate drive chains using John Deere Multi-Purpose SD Polyurea Grease or equivalent grease.

  8. Reverse disassembly steps.

OUO1082,000643C-19-20150629