MacDon D1 Series Unloading And Assembly Instructions page 478

2. Check that float lock linkage is on down stops (washer [A]
cannot be moved) at both locations.
NOTE:
If header is not on down stops during next two steps,
voltage may go out of range during operation causing a
malfunction of auto header height control (AHHC) system.
3. Adjust cable take-up bracket (B) (if necessary) until
pointer (A) on float indicator is on 0.
215184
SETTING UP AUTO HEADER HEIGHT CONTROL
454
A
Figure 9.332: Float Lock
B
Figure 9.333: Float Indicator Box
A
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