MTD 550 Thru 570 Manuel de l'opérateur télécharger pdf (Page 16)

For repairs beyond

the minor ad/ust-

merits listed hem

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Engineruns erratic

Problem Cause Remedy

Enginefails to start 1. Sparkplugwire disconnected. 1. Connectwire to sparkplug.

2. Fueltankemptyor stalefuel. 2. Filltankwithclean,freshgasoline.

3. Choke if equippednot inCHOKE 3. Movechoketo CHOKEposition.

position.

4. Faultysparkplug. 4 Clean,adjustgap,or replace.

5. Blockedfuel line. 5. Cleanfuel line.

6. Engine(if equippedwith a primer)not 6. Primeengine.

primedproperly. 7. Movethrottle leverto FASTposi-

7. Throttlecontrollevernotin correct tion.

startingposition

1. Movechokeleverto OFFposition.1. UnitrunningwithCHOKEapplied,if so

equipped.

2. Sparkplugwireloose.

3. Blockedfuellineor stalefuel.

4. Waterordirt infuel system.

2. Connectandtightenspark

plugwire.

3. Cleanfuel line;fill tankwith clean,

fresh(lessthan30 daysold)

gasoline.

4. Drainfuel tank. Refillwith

freshfuel.

5. Dirty aircleaner. 5. Cleanor replaceaircleaner.

6. Carburetornotadjustedproperly. 6. Seeauthorizedservicedealer.

EngneOverheats EngineOillevel owl 11 FillCrankcaseWithproperoil.

2. Dirty aircleaner. 2. Cleanorreplaceair cleaner.

31 carburetornot adjustedproperlyl 3. Seeauthoiizedservicedealeil

Problem

Cylinder rodwill not

move

Cause

1. Brokendrive shaft.

2. Shippingplugsleft inhydraulichoses.

3. Set screwsincouplingnotadjusted

properly.

4. Looseshaftcoupling.

5. Gearsectionsdamaged.

6. Damagedreliefvalve.

7. Hydrauliclinesblocked.

8. Incorrectoil level.

9. Damageddirectionalvalve.

10.Blockeddirectionalvalve.

Remedy

1. Seeauthorizedservicedealer.

2. Disconnecthydraulichoses,

removeshippingplugs,reconnect

hoses.

3. Seeoperator'smanualforcorrect

adjustment.

4. Correctengine/pumpalignmentas

necessary.

5. Seeauthorizedservicedealer.

6. Seeauthorizedservicedealer.

7. Flushandcleanhydraulicsystem.

8. Checkoil level.

9. Seeauthorizedservicedealer.

lO.Flushandcleanhydraulicsystem.

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MTD 550 Thru 570 Manuel de l'opérateur Page 16

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