beautypg.com

MacDon R85 Rotary Disc 16 Foot Pull-Type User Manual

Page 185

background image

MAINTENANCE AND SERVICING

5. Install four M12 mm x 60 mm long bolts (A) into holes

in plate (B).

6. Use bolts (A) as jacking screws to remove plate (B)

from gear. Remove bolts from plate.

Figure 8.61

7. Pry out failed key (A) from gear (B) and plate.

8. Thoroughly clean metal debris from disassembled

components and cutterbar.

Figure 8.62

9. Inspect plate (C) and gear shaft (E) for damage. If

seriously damaged, replace entire spindle assembly.
Contact your MacDon Dealer.

10. Install new key (D) into gear (E) keyway as shown.

11. Align keyway in plate (C) with key in gear (E) and install

plate (C) onto gear until sufficient threads are exposed
to install washer (B) and nut (A).

Figure 8.63

169456

175

Rev. D