7
HydraulicTroubleshooting
Problem
Cause
Remedy
Cylinderrodwillnotmove
1.
2.
Brokendriveshaft.
Shippingplugsleftinhydraulic
hoses.
1.
2.
Seeauthorizedservicedealer.
Disconnecthydraulichoses,remove
shippingplugs,reconnecthoses.
Seeoperator’smanualforcorrect
adjustment.
Correctengine/pumpalignmentas
necessary.
Seeauthorizedservicedealer.
3.
4.
5.
Setscrewsincouplingnotadjusted
properly.
Looseshaftcoupling.
3.
4.
5.
Hydraulic
Trouble
Gearsectionsdamaged.
Damagedreliefvalve.
Hydrauliclinesblocked.
Incorrectoillevel.
6.
6. Seeauthorizedservicedealer.
Flushandcleanhydraulicsystem.
Checkoillevel.
7.
8.
7.
8.
9
10.
.
Damageddirectionalvalve.
Blockeddirectionalvalve.
9. Seeauthorizedservicedealer.
10. Flushandcleanhydraulicsystem.
Shooting
Slowcylindershaftspeed
whileextendingand
retracting.
1.
2.
Gearsectionsdamaged.
Excessivepumpinletvacuum.
1.
2.
Seeauthorizedservicedealer.
Makecertainpumpinlethosesareclear
andunblocked-useshort,large
diameterinlethoses.
3.
4.
5.
6.
7.
8.
Slowenginespeed.
Damagedreliefvalve.
Incorrectoillevel.
Contaminatedoil.
Directionalvalveleakinginternally.
Internallydamagedcylinder.
3.
4.
5.
6.
7.
8.
Seeauthorizedservicedealer.
Seeauthorizedservicedealer.
Checkoillevel.
Drainoil,cleanreservoir,andrefill.
Seeauthorizedservicedealer.
Seeauthorizedservicedealer.
For repairs beyond
the minor adjust-
ments listed here,
contact an authorized
service dealer.
Leakingcylinder
1.
2.
Brokenseals.
Scoredcylinder.
1.
2.
Seeauthorizedservicedealer.
Seeauthorizedservicedealer.
Enginerunsbutwoodwill
notsplitorwoodsplitstoo
slowly
1.
2.
3. Excessivepumpinletvacuum.
Smallgearsectiondamaged.
Pumpcheckvalveleaking.
1.
2.
3. Makecertainpumpinlethosesareclear
andunblocked-useshort,large
diameterinlethoses.
4.
5.
6.
7.
Seeauthorizedservicedealer.
Seeauthorizedservicedealer.
4.
5.
6.
7.
Incorrectoillevel.
Contaminatedoil.
Directionalvalveleakinginternally.
Overloadedcylinder.
Checkoillevel.
Drainoil,cleanreservoir,andrefill.
Seeauthorizedservicedealer.
Donotattempttosplitwoodagainstthe
grain.
8.
Internallydamagedcylinder.
8.
Seeauthorizedservicedealer.
Enginestallsduring
splitting
1.
2.
Lowhorsepower/weakengine.
Overloadedcylinder.
1.
2.
Seeauthorizedservicedealer.
Donotattempttosplitwoodagainstthe
grainorseeauthorizedservicedealer.
Enginewillnotturnor
stallsunderlowload
conditions
1.
2.
3.
4.
5.
Engine/pumpmisalignment.
Frozenorseizedpump.
Lowhorsepower/weakengine.
Hydrauliclinesblocked.
1.
2.
3.
4.
5.
Correctalignmentasnecessary.
Seeauthorizedservicedealer.
Seeauthorizedservicedealer.
Flushandcleanhydraulicsystem.
Flushandcleanhydraulicsystem.
Blockeddirectionalvalve.
Leakingpumpshaftseal
1.
2.
3.
4.
5.
Brokendriveshaft.
1.
2.
3.
4.
5.
Seeauthorizedservicedealer.
Correctalignmentasnecessary.
Seeauthorizedservicedealer.
Seeauthorizedservicedealer.
Makecertainreservoirisproperly
vented.
Engine/pumpmisalignment.
Gearsectionsdamaged.
Poorlypositionedshaftseal.
Pluggedoilbreather.
NOTE: For repairs beyond those listed here, contact your nearest authorized service center.
17
| Categories | Lawn Mower Manual, MTD Lawn Mower Manuals |
|---|---|
| Tags | MTD 500 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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