Timed Double-Knife Drive Belts - MacDon D65 Operator's Manual

5. Ensure the clearance between belt (A) and belt guide (B) is
1 mm (1/32 in.).
6. Loosen three bolts (C), and adjust the position of guide (B)
as required.
7. Tighten three bolts (C).
8. Close the endshield. For instructions, refer to
Endshield, page 36.
NOTE:
Readjust the tension of a new belt after a short run-in
period (about five hours).
9. Repeat the above steps for the opposite end on double-
knife headers.

Timed Double-Knife Drive Belts

Removing Timed Drive V-Belts
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator's seat, and always engage the safety props before going under the
machine for any reason.
1. Shut down the engine, and remove the key from the ignition.
2. Open the endshield. For instructions, refer to
3. Loosen two bolts (A) securing the motor assembly to the
header endsheet.
4. Turn the adjuster bolt (B) counterclockwise to loosen it and
remove two V-belts (C).
Installing Timed Drive V-Belts
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator's seat, and always engage the safety props before going under the
machine for any reason.
NOTE:
Install new V-belts in matching pairs.
214327
MAINTENANCE AND SERVICING
Closing
Figure 5.79: Untimed Knife Drive
Opening Endshield, page
Figure 5.80: Knife Drive V-Belts
166
A
C
35.
C
B
B
A
Revision B