Service Manual
Table Of Contents
- Revision History
- Preface
- Chapter 1 : Safety
- Chapter 2 : Specifications and Maintenance
- Chapter 3 : Troubleshooting
- Chapter 4 : Engine
- Chapter 5 : Chassis
- General Information
- Service and Repairs
- Right Console Replacement
- Left Console Replacement
- Throttle Cable Assembly Replacement
- Choke Cable Assembly Replacement
- Seat Replacement
- MYRIDE® Replacement
- Fuel Tank Replacement
- Park Brake Handle Assembly Replacement
- ROPS (Roll Over Protection System) Replacement
- Caster Fork and Bearing Replacement
- Caster Wheel Rebuild
- Motion Control Assembly Replacement
- Chapter 6 : Deck
- Chapter 7 : Drive System
- Chapter 8 : Electrical
- Appendix A: Foldout Drawings
- Electrical Schematic
- Electrical PTO Engaged Schematic
- Electrical Run Position
- Electrical Start Position
GeneralTroubleshooting
Problem
PossibleCauseCorrectiveAction
Thebladecontrolswitch(PTO)is
engaged.
Movetheblade-controlswitch(PTO)to
thedisengagedposition.
Theparkingbrakeisnotengaged.Movethemotioncontrolleverstothe
neutrallock(Park)position.
Thebatteryisdead.
Chargethebattery.
Theelectricalconnectionsarecorroded
orloose.
Checktheelectricalconnectsforgood
contact.
Aswitchiswornordamaged.
Testandreplacefaultyswitch.
Thestarterdoesnotcrank
Thefuseisblown.Replacethefuse.
Thefueltankisempty.Fillthefueltank.
Thethrottleisnotinthecorrectposition.Besurethatthethrottlecontrolis
alwaysinthefastpositions.
Thereisdirtinthefuellter.Replacethefuellter.
Thereisdirt,water,orstalefuelinthe
fuelsystem.
Cleanandushthefuelsystem.
Theaircleanerisdirty.
Cleanorreplacetheaircleaner
element.
Theseatswitchisnotfunctioning
properly.
Checktheseat-switchandreplaceif
faulty.
Theelectricalconnectionsare
corroded,loose,ordamaged.
Checktheelectricalconnectionsfor
goodcontact.Cleantheconnector
terminalsthoroughlywithelectrical
contactcleanerandapplydielectric
grease.
Thesparkplugisfouledorimproperly
gapped.
Adjustorreplacethesparkplug.
Theignitioncoil(s)havefailed.Testandreplacefaultycoil(s).
Thesparkplugwireisnotconnected.
Checkthesparkplugwireconnection.
Theenginedoesnotstart,starts
hard,orfailstokeeprunning
Aswitchiswornordamaged.
Testandreplacefaultyswitch.
Theengineloadisexcessive.Reducethegroundspeedorraise
height-of-cut.
Theaircleanerisdirty.
Cleanorreplacetheaircleaner
element.
Theoillevelinthecrankcaseislow.Addoiltothecrankcase.
Thecoolingnsandairpassages
abovetheengineareplugged.
Removetheobstructionandthoroughly
cleancoolingnsandtheairpassages.
Oneoftheignitioncoilshasfailed.T estandreplacethefaultycoil.
Thefueltankventsystemisplugged.Inspectfueltankventsystemfor
obstructionandrepairsystem.
Thereisdirtinthefuellter.Replacethefuellter.
Enginelosespower
Thereisdirt,water,orstalefuelinthe
fuelsystem.
Cleanandushthefuelsystem.
4000SeriesZMASTER®ServiceManual
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Troubleshooting:GeneralTroubleshooting
3442-427RevA