Wright Velke HYDRO PISTOL GRIP, Instruction Manual

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Problem Description Possible Cause Solution
Streaking is when strips of uncut grass are left behind. Blades are not sharp Sharpen blades
Blades are worn down too far Replace blades
Engine RPM is too low Mow at full throttle
GROUND SPEED IS TOO FAST SLOW DOWN
Deck is plugged with grass Clean deck
Stepped cutting is sharp ridges left in the lawn surface.
Stepped cutting is ussually caused by deck damage or
misadjustment, or blade damage
Deck is not leveled correctly Level the deck
Tires are not properly installed/inflated Check and inflate tires
Blades are damaged Replace blades
Deck shell is damaged Repair or replace deck
Spindle is bent or loose Repair or replace spindle
Blades are installed incorrectly Reinstall the blades correctly
Scalping is when the deck comes close to or hits the ground.
Scalping can be caused by the deck is misadjusted,
uneveness in the lawn, or by deck bounce because ground
speed is too fast.
Lawn is uneven or bumpy Roll or level the lawn
Deck cutting hieght is set too low Raise cutting height
Deck is not leveled correctly Level the deck
Tire pressure is uneven Check and inflate tires
Stringers are sparse patches of uncut grass left behind the
mower.
Blades are not sharp or are nicked Sharpen blades
Blades are worn down too far Replace blades
Engine RPM is too low Mow at full throttle
GROUND SPEED IS TOO FAST SLOW DOWN
Deck is plugged with grass Clean deck
Streaking
Stepped
Cutting
Scalping
Stringers
Grass Minimum Height Maximum Height
Tall Fescue 1 1/2" 3"
Kentucky Bluegrass 1 1/2" 2 1/2"
Bahia Grass 2" 3"
Bermuda Grass 1/2" 1"
St. Augustine Grass 1" 3"
Zoysia Grass 1/2" 1"
Use a slower ground speed when grass is wet and lush or
when using a mulch kit.
Clean the under side of the cutter deck after each use.
Grass build up WILL eventually effect cut quality.
Check deck pitch, front blade tip MUST be 1/4" - 3/8" lower
than the back of the blade tip.
Recommended Mowing Heights
Mowing Tips
Always mow at full throttle
Cut 1/3 of the grass blade, cutting more is not
recommended unless grass is sparse
Cut Quality and Mowing Tips