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Troy-Bilt 440 Series Operator's Manual page 12

21" rotary mower
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Enginefails to Start
1, B!aclecontroidisengaged,
i: Engageblade cent[eL
2. Spark Plugwh'edisc0nnected_
2. C0nneciWgeto Sparkplug,
Fue!tank empty 0r StalefueL
Filltank with Clean,fresh gaso)ine
Enginenot prirned,
4. Pdrneengine as instructedin ©perat-
5. Eautysparkpug,
5, Cean, adustgap, orrepace.
!ngYour Lawn Mowe[.
Shoot og
l
For repairs beyond
the minor a djustments
listed here, contact
an authorized service
dealer.,
!
il_ _ i
i
i
!i_ii _i_i_ii_
i _ii iiilt t t t t t t t t t __i
6. Blocked fuel line,
6. Clean fuel line,
7. Enginefl00ded.
7 Waitalewminutest0restart
butdo
Engine runs erratic
1. Sparkplug wire loose.
1 Connectandtighten sparkplug wire.
2. Blockedfuel lineor stale fuel.
2. Cleanfuel line: fill tank withclean,
fresh gasoline.
3. Vent ingas cap plugged.
4. Wateror dirt infuel system.
5. Dirty air cleaner.
6. Carburetorout of adjustment.
3. Clearvent.
4. Drainfuel tank. Refill withfresh fuel.
5. Referto engine manual.
6. Referto engine manual.
Engine overheats
1. Engineoi! levellow.
1. Fillcrankcasewith properoi!.
2. Air flowrestricted.
2. Removeblowerhousing
and clean.
:
3. Carburetornot adjustedproperly,
:
3. Referto engine manual.
Occasional skips
(hesitates) at
high speed
1. Sparkplug gap too close.
2. Carburetoridle mixtureadjustment
improperlyset.
1. Adjustgap to .030".
2. Referto engine manual.
2. Referto engine manual.
Vibration
3. Dirtyair cleaner.
!
3. Referto engine manual.
Excessive
1. Cuttingbladeloose or unbalanced.
1. Tighten bladeand adapter.Balance
blade.
2. Bentcutting blade.
2. Seean authorizedservicedealer.
I
B
Uneven cut
1. Wheels not positionedcorrectly.
1. Placeall four wheelsin same
heightposition.
2. Dull blade.
2. Sharpenor replaceblade.
Mowerw
not
1 Betnot nsta edpropery
1 Check be t for properpu ey nsta aton
se f
re
I
1
and movement.
p pe
2. Debrisclogging driveoperation.
2. Stopengine,disconnectsparkplug
wire and clean out debris.
3. Damagedor worn belt.
m & inspectand replacebelt.
14

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