New Holland 615 Operator's Manual page 35

SECTION 2 - OPERATION
A lighter cutter bar weight will reduce the pull on the
tractor, but setting the flotation too light will prevent
1
the cutter bar from staying on the ground at faster
ground speeds. The cutter bar weight may be felt by
lifting the right end of the canopy support, 1.
NOTE: Optional left and right swathboards are
shown.
A3680-20
4
2-6