Ferris 1000ZK21/48 Operator's Manual page 39

SOLUTIONS FOR COMMON MOWING PROBLEMS
Streaking
Streaking is when thin strips of uncut grass are left
behind the mower. Streaking is usually caused by
operator error or poor blade maintenance.
CAUSE
Blades are not sharp
Blades are worn down too far
Engine speed is too slow
Ground speed is too fast
Deck is plugged with grass
Not overlapping cutting rows enough
Not overlapping enough when turning
Stepped Cutting
Stepped cutting is sharp ridges or uneven levels left in
the lawn surface. Stepped cutting is usually caused by
mower deck damage or misadjustment, or damage to
mower blades.
CAUSE
Deck is not leveled correctly
Tires are not properly inflated
Blades are damaged
Deck shell is damaged
Mower spindle is bent or loose
Blades are installed incorrectly
Lawn Care & Mowing Information
SOLUTION
Sharpen your blades
Replace your blades
Always mow at full throttle
Slow down
Clean out the mower
Overlap your cutting rows
When turning your effective cutting width
decreases–overlap more when turning
SOLUTION
Level the deck correctly
Check and inflate the tires
Replace the blades
Repair or replace the deck
Repair or replace the spindle
Reinstall the blades correctly
LC-6
Streaking
Stepped Cutting