McCulloch ZM4619, 966564101 manual Trouble Shooting

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TROUBLE SHOOTING

Problem

Cause

Engine overheats

Clogged air intake or cooling fins

 

Engine overloaded

 

• Poor ventilation around engine

 

• Defective engine speed regulator

 

• Too little or no oil in the engine

 

• Contamination in the carburetor or fuel line.

 

Fouled spark plugs

 

 

 

Battery not charging

Poor contact of the battery terminal cable connections

 

• Charging lead is disconnected

 

 

 

The machine moves slowly, unevenly, or not at all

Parking brake on

 

• Bypass valve on pump open

 

• Drive belt for the transmission slack or has come off

 

• Air trapped in hydraulic system

 

 

 

Mower deck not engaging

Drive belt for the mower deck has come loose

 

• Contact for the electromagnetic coupling has loosened

 

• Blade switch is faulty or has come loose from cable

 

 

contact

 

Blown fuse

 

 

 

Transaxle leaks oil

Damaged seals, housing, or gaskets

 

• Air trapped in hydraulic system

 

 

 

Uneven mowing results

Different air pressure in tires on the left and right sides.

 

Bent blades

 

• Suspending for the mower deck is uneven

 

Blades are dull

 

• Driving speed too high

 

• Grass is too long

 

• Grass collected under the mower deck

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Contents Operator Manual Page Table of Contents Page Introduction Good Service Manufacturing NumberSymbols and decals Manual Performing any Safety Instructions SafetyGeneral Operation Never take passengers Personal Safety Equipment Slope OperationChildren Safe Handling of Gasoline General Maintenance Risk of sparking Transport Spark ArrestorControls Control LocationsMotion Control Levers Bypass Linkage Seat Adjustment LeverUnlocking Transmission Fuel Tank Choke Control Ignition SwitchThrottle Control Parking Brake Blade SwitchCutting Height Adjuster Always use the high position to transportFuses Fuel Shut Off ValveTraining SteeringBefore Starting Starting the EnginePlace controls in neutral position USE Full Throttle When Mowing Weak Battery To remove cables, reverse orderMower deck’s anti-scalp rollers should be evenly adjusted RunningOperating On Hills Mowing Tips Stopping the Engine Manual Transport Maintenance Maintenance ScheduleBefore After Year 100 Battery Replacing batterySafety System Tire PressuresDeck Belt Faulty adjustment can cause an accidentDeck Belt Removal Pump Belt Deck Belt InstallationEZT Belt Installation Replacing EZT E-Series Zeroturn Transaxle beltCutting Blades Blade replacementAnti-scalp Rollers Adjusting the Mower Deck Deck LevelingCaster Wheels CleaningUse protective glasses when cleaning and washing HardwareLubrication Schedule LubricationGeneral Front Wheel Mount Wheel and Deck ZerksDeck Spindles Front Wheel BearingsProblem Cause Trouble ShootingMaintenance section Trouble Shooting Storage ServiceWinter Storage Schematic Hex Head Cap Screws Technical DataTorque Specifications Standard HardwareEngine ZM4619Transmission ZM4619 Equipment Overall dimensionsProductivity USA requirements Conformity CertificatesCE requirements Action Service JournalDelivery Service Stamp, signDaily Service After 10 hoursHour Service Service Journal At least once each year Action Date, mtr reading Stamp, sign Page 115 349428R1 03/08/10