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MTD 769-01645A Operator's Manual page 33

Automatic lawn tractor

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Problem
Cause
Remedy
Engineoverheats
!i
Engine oi! levellow.
!i Fi!!Ciankcase with pr0pero!! ,
21 Air flow restricted.
2 c eangrass clippingsand debiis
fromaroundthe engines €00!ing
.....
fins and blowerhousing.
Enginehesitates at
1. Sparkplug(s)gap tooclose,
1, Removesparkplug(s)and reset
high RPM
the gap,
idles poorl
1
Sparkpug(s)foued fautyorgap
1 Repacesparkpug(s)Setpug(s)
y
'
'
t
to0 wide_
gap:
2 Dirtyair €eaner
Replaceair cleanercartr dgdele:
mentor cleanpre:cleaner if So
equipped.
Excessive
1. Cuttingblade looseor unbalanced.
1. Tightenbladeand spindle. Balanc_
Vibration
blade.
2. Damagedor bentcuttingblade.
2. Replaceblade.
Mower will not
11 Enginespeedtoo iowl
1; P!acethrott!e €ontrolin FAST
ohgrass (If
wet grass
(rabbit)p0si t i°n.
Equi p ped)
2. D0not m0wwhengrass s wet
wat unt aterto cut
3. Excessively high grassl
,,,
_.
Mowonce a! a nign cuttingneight,
then mow againat desiredheight
or makea narrowerCuttingpath,
Duiiblade
&sharpen or repiacebiade:
Uneven cut
1. Decknotbalancedproperly.
1. Performside-to-sidedeck adjust-
2. Dullblade,
ment.
2. Sharpenor replaceblade.
3. Uneventire pressure.
3. Checktire pressurein all fourtires.
33
rou
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the minor adjust-
contact
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601 series