MacDon M1170 Operator's Manual page 175

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 scroll knob (A) on HPT to display the QuickMenu
system.
5. Rotate scroll knob (A) to highlight the HEADER FLOAT
symbol (B), and press scroll knob to select.
6. On Float Adjust page, press soft key 3 (A) to remove float.
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OPERATION
Figure 4.98: Header Float Springs
Figure 4.99: HPT Display
Figure 4.100: HPT Display
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A
B
A
Revision A