MacDon D65, Assembly Instruction Manual, Page: 66 / 110

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Revision A
Adjusting Pointed Guard Hold-Downs
This procedure is applicable to formed sheet metal hold-downs. Do NOT use this procedure for hold-down at center
guard position where knives overlap on double-knife headers. For center guard, refer to Adjusting Hold-Down at
Double-Knife Center Pointed Guard, page 58 .
WARNING
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
before making adjustments to machine.
Figure 5.14: Cutterbar
1. Shut down windrower, and remove key from ignition.
2. Decrease clearance by turning bolt (B) clockwise to
lower front of hold-down (A).
3. Increase clearance by turning bolt (B) counterclockwise
to raise front of hold-down.
NOTE:
For larger adjustments, it may be necessary to loosen
nuts (C), turn adjuster bolt (B), and then retighten nuts.
4. Check clearance again and adjust as required.
Adjusting Hold-Down at Double-Knife Center Pointed Guard
Figure 5.15: Center Guard
WARNING
To avoid bodily injury or death from unexpected startup
of machine, always stop engine and remove key before
making adjustments to machine.
1. Shut down windrower, and remove key from ignition.
2. Manually stroke 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 cutterbar.
4. Lightly clamp hold-down (B) to guard (E) with a C-clamp
or equivalent. Position clamp on trash-bar at (F)
as shown.
5. Turn bolts (D) until they contact cutterbar, then tighten
ONE turn.
6. Remove clamp.
7. Tighten nuts (C) and torque to 45 Nm (35 lbf·ft).
8. Check clearances. Refer to 5.7.1 Checking Pointed
Guard Hold-Downs, page 57 .
PERFORMING PREDELIVERY CHECKS