MacDon FD75, Operator'S Manual

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214323
382
Revision B
1022909
A
B
Figure 6.61: Auger Drive
9. Rotate auger (A) by hand, in forward direction, until it
cannot turn anymore.
10. Measure the distance between two lines (B).
For a new chain:
•
If difference (B) is 1
–
4 mm (0.04
–
0.16 in.), no
adjustment is required.
•
If difference (B) is greater than 4 mm (0.16 in.), the
auger drive chain tension needs adjusting. For
instructions, refer to
6.7.3 Adjusting Auger Drive Chain
Tension, page 382 .
For a used chain:
•
If difference (B) is 3
–
8 mm (0.12
–
0.31 in.), no
adjustment is required.
•
If difference (B) is greater than 8 mm (0.31 in.), the
auger drive chain tension needs adjusting. For
instructions, refer to
6.7.3 Adjusting Auger Drive Chain
Tension, page 382 .
6.7.3 Adjusting Auger Drive Chain Tension
The auger is chain-driven by the adapter drive system sprocket attached to the side of the auger.
DANGER
To prevent bodily injury or death from the unexpected start-up of the machine, always stop the engine and remove the
key from the ignition before leaving the operator
’
s seat for any reason.
NOTE:
Check the auger tension before making any adjustments. For instructions, refer to 6.7.2 Checking Auger Drive Chain
Tension, page 380 .
1. Detach the header from the combine. For instructions, refer to 5 Header Attachment/Detachment, page 289 .
2. Shut down the engine, and remove the key from the ignition.
MAINTENANCE AND SERVICING