CUTTING UNITS
673831-Rev A 8-9
8
Step Cutting
NOTE: One cutting unit width shown. Arrow indicates
direction of travel.
Step cutting occurs when grass is cut taller on one side of
the reel than the other. This is usually caused by
mechanical wear or an incorrect roller adjustment.
Probable Cause Remedy
HOC (height-of-cut) settings are different from one side of a reel
to the other, or from one cutting unit to another.
Check HOC adjustment of cutting units. (See “Height-of-Cut (HOC)
Adjustment” on page 8-19.)
Worn roller bearings. Check/replace roller bearings. (See “Front Roller Bearings” on
page 8-36 or “Rear Roller Bearings” on page 8-38.)
Worn reel bearings. Check/replace/adjust reel bearings. (See “Reel Bearing Pre-Load
Adjustment” on page 8-21 and “Reel Bearing Housing
Assembly” on page 8-31.)
Bedknife-to-reel contact is different from one side of the cutting
unit to the other.
Check bedknife-to-reel clearance. (See “Bedknife-to-Reel
Clearance Adjustment” on page 8-18.)
Cutting unit movement is restricted. Check/remove cutting unit movement restriction.
Variations in turf density. Change mowing direction.
Machine ride height is uneven side to side. Check/adjust tire inflation pressure. (Refer to “Parts and
Maintenance Manual.”)
Mower frame is bent. Repair or replace as needed.
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