MacDon R85 Operator's Manual page 172

8. Pry out failed key (A) from spindle keyway (B).
9. Thoroughly clean metal debris from disassembled
components and cutterbar.
10. Inspect flange (C) and spindle shaft (E) for damage. If
seriously damaged, replace entire spindle assembly.
Contact your MacDon Dealer.
11. Install new key (D) into gear (E) keyway as shown.
12. Align keyway in disc (C) with key in gear (E) and install
disc (C) onto gear until sufficient threads are exposed to
install washer (B) and nut (A).
13. Tighten nut (A) until flange is in final position. Torque
nut to 440 Nm (325 lbf·ft).
14. Reinstall disc. Refer to
page 139.
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MAINTENANCE AND SERVICING
5.3.4 Installing a Cutterbar Disc,
B
Figure 5.41: Cutterbar Spindle Keyway and Key
C
E
Figure 5.42: Cutterbar Spindle Assembly
A
Figure 5.43: Cutterbar Spindle Assembly
155
A
A
B
D
Revision A