MacDon D65 Operator's Manual page 176

NOTE:
The procedure is the same for both ends of a timed double-knife header. Images shown are for the left end—the right end
is opposite.
1. Shut down the engine, and remove the key from the
ignition.
2. Open the endshield. For instructions, refer to
Endshield, page 35.
3. Loosen two nuts (A) on the belt idler bracket to relieve the
belt tension.
4. Loosen nut (B) on the idler pulley and slide the idler down
to loosen the belt.
5. Proceed to Step 10, page
Single and untimed double-knife headers:
6. Shut down the engine, and remove the key from the
ignition.
7. Open the endshield. For instructions, refer to
Endshield, page 35.
8. Loosen two bolts (A) securing the motor assembly to the
header endsheet.
9. Loosen the belt tension by turning tensioning bolt (B)
counterclockwise.
10. Open access cover (A) on the endsheet behind the
cutterbar to provide clearance between the knife drive box
pulley and the endsheet.
214327
MAINTENANCE AND SERVICING
Opening
156.
Opening
Figure 5.57: Timed Double-Knife Drive
Figure 5.58: Single and Untimed Double-Knife Drive
Figure 5.59: Access Cover
156
B
A
B
A
A
Revision B