Checking Auger Drive Chain Tension - MacDon FlexDraper FD1 Series Operator's Manual

6. Loosen two nuts (B).
7. Turn bolt (A) clockwise to increase clearance (C); turn
bolt counterclockwise to decrease clearance.
•
If feed auger is in rigid position, set clearance to
22–26 mm (7/8–1.0 in.).
•
If feed auger is in floating position, set clearance to
11–15 mm (7/16–5/8 in.).
NOTE:
The clearance increases between 25–40 mm
(1–1-1/2 in.) when the center-link is fully retracted.
8. Repeat Steps 6, page 421
opposite end of the auger.
IMPORTANT:
Adjusting one side of the auger can affect the other side
so recheck both sides after final adjustment is made.
9. Tighten nuts (B) on both ends of the feed auger. Torque
the nuts to 93–99 Nm (68–73 lbf·ft).

5.7.2 Checking Auger Drive Chain Tension

The auger is chain-driven by the float module drive system sprocket attached to the side of the auger.
DANGER
To avoid bodily injury or death from unexpected start-up of machine, always stop engine and remove key
from ignition before leaving operator's seat for any reason.
1. Lower the header to the ground.
2. Raise the reel and engage the reel safety props. Refer to
3. Shut down the combine, and remove the key from the ignition.
NOTE:
Gearbox chain tension should be adjusted prior to checking and adjusting the auger drive chain tension. Refer
to 5.6.5 Adjusting Gearbox Drive Chain Tension, page
214683
MAINTENANCE AND SERVICING
and 7, page 421 for the
B
Figure 5.51: Auger Clearance
Engaging Reel Safety Props, page
418.
421
A
C
31.
Revision A