Simplicity ZT4000 Series manual Troubleshooting the Rider

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Troubleshooting

While normal care and regular maintenance will extend the life of your equipment, prolonged or constant use may eventually require that service be performed to allow it to continue operating properly.

The troubleshooting guide below lists the most common problems, their causes and remedies.

See the information on the following pages for instructions on how to perform most of these minor adjustments

and service repairs yourself. If you prefer, all of these procedures can be performed for you by your local authorized dealer.

Troubleshooting

WARNING

Remove the ignition key prior to performing maintenance on the unit.

•To avoid serious injury, perform maintenance on the tractor or mower only when the engine is stopped and the parking brake is engaged.

•Always remove the ignition key, disconnect the spark plug wire and fasten it away from the plug before beginning the maintenace, to prevent accidental starting of the engine.

Troubleshooting the Rider

	PROBLEM	CAUSE		REMEDY

		1.	Parking brake not engaged.	1.	Engage parking brake.
		2.	PTO (electric clutch) switch in ON position.	2.	Place in OFF position.
		3.	Out of fuel	3.	If engine is hot allow to cool, then refill the
					fuel tank.
		4.	Engine flooded.	4.	Move choke control to CLOSED position.
		5.	Fuse blown.	5.	Replace fuse.
		6.	Battery terminals require cleaning.	6.	Clean the battery terminals.
	Engine will not turnover or start.	7.	Battery discharged or dead.	7.	Recharge or replace.
	Engine will not turnover or start.	8.	Wiring loose or broken.	8.	Visually check wiring & replace broken or
					frayed wires. Tighten loose connections.
		9.	Solenoid or starter motor faulty.	9.	Repair or replace. See authorized dealer.
		10. Safety interlock switch faulty.		10. Replace as needed. See authorized service
					dealer.
		11. Spark plug(s) faulty, fouled or incorrectly		11. Clean and gap or replace. See engine manual.
			gapped.
		12. Water in fuel.		12. Drain fuel & replace with fresh fuel.
		13. Gas is old or stale.		13. Drain fuel & replace with fresh fuel.

		1.	Fuel mixture too rich.	1.	Clean air filter. Check choke adjustment.
	Engine starts hard or runs poorly.	2.	Spark plug(s) faulty, fouled, or	2.	Clean and gap or replace. See engine manual.
			incorrectly gapped.

	Engine knocks	1.	Low oil level.	1.	Check/add oil as required.
	Engine knocks	2.	Using wrong grade oil.	2.	See engine manual.
		2.	Using wrong grade oil.	2.	See engine manual.

		1.	Engine running too hot.	1.	Clean engine fins, blower screen and air
	Excessive oil consumption				cleaner.
	Excessive oil consumption	2.	Using wrong weight oil.	2.	See engine manual.
		2.	Using wrong weight oil.	2.	See engine manual.
		3.	Too much oil in crankcase.	3.	Drain excess oil.

		1.	Dirty air filter.	1.	Replace air filter. See engine manual.
	Engine exhaust is black.	2.	Engine choke control is in CLOSED	2.	Open choke control.
			position.

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Contents 24HP Zero-Turn Riders Mfg. No Description 5900707 26HP Zero-Turn RidersMfg. No Description 5900765 Date Purchased Table of Contents Operating Safety Read the ManualChildren Slope Operation Thrown ObjectsMoving Parts Roll Bar Use Retaining Walls, Drop-offs, and WaterOverhead Obstacles Enclosed Areas Fuel and MaintenanceTransporting and Storage General OperationOperating on steep slopes can be dangerous Towed Equipment Ride-On UnitsEmissions Ignition SystemService and Maintenance Service & MaintenanceSafe Handling of Gasoline Roll Bar Instructions Operational WarningsInspection of the Roll Bar Protective Structure Inspection and Maintenance of the Roll Bar Seat Belt Objects Hazard Safety DecalsNorth American Safety Icons Safety Interlock SystemOperational Safety Checks Safety IconsNorth American Models Identification NumbersCE Models CE Identification Tag MarkingsPTO Power Take Off Switch Parking BrakeChoke Throttle Control Ignition SwitchHour Meter / Maintenance Reminder Seat Adjustment LeverChecks Before Starting General Operating SafetyOperation Seat AdjustmentCheck Tire Pressures Pushing the Rider by HandMowing Height Adjustment Foot Pedal AdjustmentTo Adjust Pedal Position Stopping the Rider Starting the EngineZero-Turn Driving Practice Smooth TravelForward Travel Practice Practice Turning Around a Corner Executing an End-Of-Row Zero TurnPractice Turning In Place Fire or explosion can cause severe burns or death StorageMowing Mowing RecommendationsMowing Methods How Much Grass to Mulch Attaching a TrailerProper Mulching Mulching Requires Excellent Mowing ConditionsCheck Rider / Mower for loose hardware Maintenance ScheduleInspect Muffler and Spark Arrester Checking / Adding FuelFuel Filter Change Oil & FilterBattery Maintenance Check Hydraulic Oil LevelChange Hydraulic Oil Filter Lubricating the Front Casters LubricationGrease OilInspecting the Mower Blades Servicing The Mower BladesBalancing the Mower Blade Nail Reinstalling the Mower BladesSpeed Balancing Adjustment Ground Speed Control Lever AdjustmentNeutral Adjustment Return-to-Neutral AdjustmentTo Adjust Hydraulic Pump Drive Belt Replacement Parking Brake AdjustmentRear Suspension Adjustment To adjust the spring pre-loadSpring loaded components can kick back causing injury Deck Lift Rod Timing And Leveling Adjustment Mower PTO Belt Idler Arm Stationary Idler Pulley Mower Belt ReplacementTroubleshooting the Rider TroubleshootingTroubleshooting the Mower Troubleshooting the RiderStreaking Troubleshooting Common Cutting ProblemsHP Briggs & Stratton HydroGear PG-3H / HGM-12EDeck Indentification Product Quick Specs