Mismatch - Ridge
Description:
Ridge Mismatch can occur when two cutting units
side by side are each cutting higher on one end. This
can be viewed as a ridge or a trough depending on
how the units are set up compared to the other.
Mismatch
Ridge
Causes of Mismatch Ridge:
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Inaccurate HOC settings from one end of each cutting unit to the other end
Rollers not parallel to the reel or each other (vertical and horizontal)
Variations in terrain
Variations in turf density
Hose or cutting unit movement restricted
Mowing too fast
Counterbalance or down pressure springs worn or set improperly
Worn roller bearings
Possible Corrective Actions:
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Verify HOC settings on each side of all reels is equal
Verify the rollers are parallel prior to setting the HOC
If the condition is intermittent, check turf conditions in areas where mismatch ridge is noticeable
compared to areas it is not
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Verify the cutting unit can follow the turf
Dethatch, verti-cut, aerate
Correct hose routing or any other obstruction to full cutting unit movement
Slow mowing speed
Verify counterbalance/down pressure system condition and adjustment is correct for conditions
Verify roller condition
TORO® Service Training
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