8-8 4252490-Rev A
CUTTING UNITS
8
Step Cutting
NOTE: Arrow indicates direction of travel.
Step cutting occurs when grass is cut taller on one side of
a cutting unit than on the other, or on one side of the
mower than on the other. This is usually caused by
mechanical wear or an incorrect roller or 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 8-18.)
Worn roller bearings. Check/replace roller bearings. (See “Roller Bearings” on
page 8-39.)
Worn reel bearings. Replace reel bearings. (See “Reel Bearing Housing Assembly” on
page 8-34.)
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 8-17.)
Cutting unit movement is restricted. Check/remove cutting unit movement restriction.
Variations in turf density. Change mowing direction.
Machine ride height is uneven from side to side. Check/adjust tire inflation pressure. (Refer to “Parts and
Maintenance Manual.”)
Mower frame is bent. Repair or replace as needed.
TN0221
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