Adjusting Hold-Down Clips At Double-Knife Center Pointed Guard - MacDon D65 Operator's Manual

1. Shut down the windrower, and remove the key from the
ignition.
2. Decrease the clearance by turning bolt (B) clockwise to
lower the front of hold-down (A).
3. Increase the clearance by turning bolt (B) counterclockwise
to raise the front of the hold-down.
NOTE:
For larger adjustments, it may be necessary to loosen
nuts (C), turn adjuster bolt (B), and then retighten the nuts.
4. Check the clearance again and adjust it as required.
WARNING
Check to be sure all bystanders have cleared the area.
5. Complete the hold-down adjustments, run the header at low engine speed, and listen for noise caused by insufficient
clearance.
NOTE:
Insufficient hold-down clearance will result in overheating of the knife and the guards—adjust clearance as necessary.

Adjusting Hold-Down Clips at Double-Knife Center Pointed Guard

DANGER
To prevent bodily injury or death from the unexpected startup of the machine, always stop the engine and remove the
key before adjusting the machine.
1. Shut down the windrower, and remove the key from the
ignition.
2. Manually stroke the knives so that sections (A) are under
hold-down (B) as shown.
3. Loosen nuts (C) and back off bolts (D) until they don't
contact the cutterbar.
4. Lightly clamp hold-down (B) to guard (E) with a C-clamp or
equivalent. Position the clamp on the trash bar at
location (F) as shown.
5. Turn bolts (D) until they contact the cutterbar, then tighten
them ONE turn.
6. Remove the clamp.
7. Tighten nuts (C) and torque the nuts to 88 Nm (65 lbf·ft).
8. Check clearances. For instructions, refer to
Pointed Guard Hold-Downs, page
214327
MAINTENANCE AND SERVICING
Checking
148.
150
C
Figure 5.47: Cutterbar
C
D
D
A
A
Figure 5.48: Center Guard
A
B
D
F
B
E
Revision B