MacDon A40-D, Operator'S Manual

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Revision A
Adjusting Knife Hold-Down: Center Guard
–
Double-Knife Header
Figure 4.43: Knife Hold-Down
–
Double Knife
1. Torque nuts (A) to 46 Nm (35 lbf·ft).
2. Turn adjuster bolts (B). Using feeler gauge, clearance
from hold-down to knife section (C) should be:
•
0.1
–
0.4 mm (0.004
–
0.016 in.) at the guide tip (C)
•
0.1
–
1.0 mm (0.004
–
0.040 in.) at rear of guide (D)
3. Torque nuts (A) to 72 Nm (53 lbf·ft).
4. After adjusting all hold-downs, run header at a low
engine speed, and listen for noise due to insufficient
clearance. Insufficient clearance will also result in
overheating of the knife and guards.
Adjusting Knife Hold-Down: Stub Guard
–
Double-Knife Header
Figure 4.44: Stub Guard
–
Double Knife
1. Torque nuts (A) to 46 Nm (35 lbf·ft).
2. Turn adjuster bolts (B). Using a feeler gauge, clearance
from hold-down to knife section should be:
•
0.1
–
0.4 mm (0.004
–
0.016 in.) at the guide tip (C)
•
0.1
–
1.0 mm (0.004
–
0.040 in.) at rear of guide (D)
3. Torque nuts (A) to 72 Nm (53 lbf·ft).
4. After adjusting all hold-downs, run header at a low
engine speed, and listen for noise due to insufficient
clearance. Insufficient clearance will also result in
overheating of the knife and guards.
MAINTENANCE AND SERVICING