CUTTING UNITS
4181383 First Edition 8-11
8
Mismatched Cutting Units
NOTE: Arrow indicates direction of travel.
Mismatched cutting units cause a pattern of varying
cutting heights, resulting in a stepped cut appearance,
usually due to a different HOC (height-of-cut) adjustment
from one cutting unit to another.
Probable Cause Remedy
HOC inconsistent from one cutting unit to another. Check/adjust HOC on cutting units to same height. (Refer to
“Safety, Operation, and Maintenance Manual.”)
Check condition of deck and/or frame. Repair or replace as needed.
Difference in rotary cutting unit speeds. Check operation of rotary cutting motor(s) and repair/replace as
necessary. (See “Cutting Unit System Test” on page 6-22.)
Difference in mower ride height, side to side. Check/adjust tire inflation pressure. (Refer to “Safety, Operation,
and Maintenance Manual.”)
Check/adjust for even mower weight distribution. (Refer to “Safety,
Operation, and Maintenance Manual.”)
TN1278
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