MacDon FD75 OM - Manual (Page 153)

OPERATION
3. Adjust center-link to mid-range (between ‘B’ and ‘C’ on
the indicator).
4. Position cutterbar 8–12 in. (200–300 mm) off
the ground.
CAUTION
Stop engine and remove key from ignition before
leaving operator's seat for any reason. A child or
even a pet could engage an idling machine.
5. Stop engine, and remove key from ignition.
Figure 4.202: Center-Link between ‘B’ and ‘C’
IMPORTANT:
Do NOT use the adapter float springs to level
the header.
6. Check that adapter is level. If the adapter is NOT
level, perform the following checks prior to adjusting
the levelling linkages:
a. Check combine tire pressures.
b. Check that the combine feeder house is
level. Refer to combine operator’s manual
for instructions.
c. Check that top of adapter is level with
combine axle.
7. Ensure both wing locks (A) are engaged. Spring
handle is in LOCK (upper) position.
Figure 4.203: Wing Lock
169894 139 Revision A