MacDon D65, Operator'S Manual

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166
Revision B
1002468
A
B
C
Figure 5.79: Untimed Knife Drive
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 Closing
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 Opening Endshield, page 35 .
1012430
B
A
C
Figure 5.80: Knife Drive V-Belts
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.
MAINTENANCE AND SERVICING