Drive Wheel Scraper Clearance

RXA0147612
RXA0147612-UN-12MAR15

RXA0151763
RXA0151763-UN-05APR16

Each drive wheel (C) has a scraper (A) to remove debris from drive wheel and prevent damage to inner track components and drive lugs.

  1. Measure clearance between scraper edge and drive wheel face. Minimum clearance is 3 mm (1/8 in) (D) and maximum clearance is 5 mm (3/16 in) (E).

    To adjust scraper:

  2. Loosen cap screws (B).

  3. Position scraper 3 mm (1/8 in) from face of drive wheel and proceed to step 7. If any part of scraper edge exceeds 5 mm (3/16 in) clearance, proceed to step 4.

  4. Remove cap screws.

  5. Choose option for scraper service:

    • Grind scraper edge flat perpendicular to scraper side.
    • Flip scraper end-to-end.
    • Replace scraper.

  6. Position scraper to 3 mm (1/8 in) of clearance.

  7. Tighten cap screws to 120 N·m (88 lb·ft).

SV81855,00003A3-19-20171026