MacDon M1170 Operator's Manual page 187

CAUTION
When lowering header lift legs without a header or weight box
attached to the windrower, ensure the float springs tension is
fully released to prevent damage to the header lift linkages.
NOTE:
If not prompted by the Harvest Performance Tracker (HPT)
display to remove float, remove float manually by doing the
following:
4. Press rotary scroll knob (A) on the HPT display to highlight
QuickMenu options.
5. Rotate scroll knob (A) to highlight the HEADER FLOAT
symbol (B), and press scroll knob to select. The header float
adjust screen displays.
6. Press soft key 3 (A) to remove the header float.
NOTE:
If the header float is active, the icon at soft key 3 will
display REMOVE FLOAT; if header float has been removed,
the icon will display RESUME FLOAT.
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OPERATION
Figure 4.130: Header Float Spring
Figure 4.131: HPT Display
Figure 4.132: HPT Display
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A
B
A
Revision A