Yard-Man 430 Series Operator's Manual page 12

21" rear & side discharge mulching lawn mower
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repairs beyond
the minor adjustments
listed here, contact
an authorized service
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Problem
Cause
Remedy
Engine fails to Start
i. Blade controldisengaged.
Engage biadecontrol
spark p!ug wiredisconnected:
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conBect Wireto Sparkp!ug_
3. Fueltank empty or stale fuel.
3. Fi Itank with clean,fresh gasoline.
4. Enginenot choked.
4. Choke engineas instructedinthe
OPe[atingYOU[ L awn Mower section•
5: Faultyspark pug
5,
Clean, adjustgap, or replace.
6.
BloCked fuel linel
6,
cieanfueliinel
7: Engineflooded.
7: Wait afew minutesto iestart, but do
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notprime:
Enginerunserratic
1. Sparkplug wire loose.
2. Blockedfuel lineor stale fuel.
3. Ventingas cap plugged.
4. Wateror dirt infuel system.
5. Dirtyair cleaner.
6. Carburetorout of adjustment.
1. Connect andtighten sparkplug wire.
2. Clean fuel line; fill tank withclean,
fresh gasoline.
3. Clear vent.
4. Drainfuel tank. Refillwithfresh fuel.
5. Referto engine manual.
6. Referto engine manual.
Engine overheats
1 Engineoil levellow.
1. Fillcrankcasewith proper oil.
2.... A r fow restr cted
I 2
Removeb owerhousng and c ean
3. Carburetornot adjustedpropery.
3• Referto engne manua.
Occasional skips
1. Sparkplug gap too close.
1. Adjust gapto .030-inch.
(hesitates) at high speed
2. Carburetoridlemixtureadjustment
2. Referto engine manual.
improperlyset.
Idles poorly
1. Sparkplug fouled, faulty or gaptoo wide.
1. Resetgapto .030-inchor replace
spark p ug.
2 Carburetorimproperlyadjusted
2. Referto engine manual.
.
3. Dirtyair cleaner.
3. Referto engine manual.
Excessive Vibration
1. Cuttingbladeloose or unbalanced.
1. Tighten bladeandadapter.Balance
blade.
2. Bentcutting blade.
2. See an authorizedservicedealer.
Mower will not mulch grass
1 Wetgrass•
1. Donot mowwhen grass is wet wait
until laterto cut.
2. Excessivelyhigh grass.
2. Mowonce at a high cutting height,
then mowagainat desirecJ height or
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makea narrowerCuttingpath.
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3. Du bade.
, 3• Sharpenor replaceblade.
Uneven cut
1. Wheelsnot positionedcorrectly.
1. Placeall four wheelsin same
heightposition.
2. Dull blade.
2. Sharpenor replaceblade.
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NOTE:SpeCifications are
SubjeCt to change without
notification or obligation.
!mage s my not reflect your
exact model and are for
[efe[ence purposes oniy:
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