Simplicity ZT4000 Series manual Troubleshooting the Rider, Troubleshooting the Mower

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Troubleshooting

Troubleshooting the Rider continued

	PROBLEM	CAUSE		REMEDY

		1.	Hydraulic release valve(s) in “open”	1.	Turn hydraulic release valve(s) CLOCKWISE to
			position.		close.
	Engine runs, but rider will not drive.	2.	Belt is broken.	2.	See Drive Belt Replacement.
		3.	Drive belt slips.	3.	See Problem and Cause below.
		4.	Brake is not fully released.	4.	See authorized service dealer.

		1.	Pulleys or belt greasy or oily.	1.	Clean as required.
	Rider drive belt slips.	2.	Tension too loose.	2.	Adjust spring tension. See Drive Belt
	Rider drive belt slips.				Replacement.
					Replacement.
		3.	Belt stretched or worn.	3.	Replace belt.
	Brake will not hold.	1.	Brake is incorrectly adjusted.	1.	See Brake Adjustment.
	Brake will not hold.	2.	Brake pads worn.	2.	Replace with new brake pads.
		2.	Brake pads worn.	2.	Replace with new brake pads.

	Rider steers or handles poorly.	1.	Steering linkage is loose.	1.	Check and tighten any loose connections.
	Rider steers or handles poorly.	2.	Improper tire inflation.	2.	See Operation section.
		2.	Improper tire inflation.	2.	See Operation section.

Troubleshooting the Mower

	PROBLEM	CAUSE		REMEDY

	Mower will not raise.	1.	Lift linkage not properly attached or	1.	See authorized service dealer for repair.
	Mower will not raise.		damaged.	1.	See authorized service dealer for repair.
			damaged.

		1.	Engine speed too slow.	1.	Set to full throttle.
		2.	Ground speed too fast.	2.	Decrease ground speed.
	Engine stalls easily with mower	3.	Cutting height set too low.	3.	Cut tall grass at maximum cutting height
	engaged.				during first pass.
		4.	Discharge chute jamming with cut grass.	4.	Cut grass with discharge pointing towards
					previously cut area.
		1.	Blade mounting bolts are loose.	1.	Tighten to 70 ft.lbs (94 Nm)
		2.	Mower blades, spindles or pulleys are bent.	2.	Check and replace as necessary.
	Excessive mower vibration.	3.	Mower blades are out of balance.	3.	Remove, sharpen and balance blades. See
					Maintenance section.
		4.	Belt installed incorrectly.	4.	Reinstall correctly.
	Excessive belt wear or breakage.	1.	Bent or rough pulleys.	1.	Repair or replace.
	Excessive belt wear or breakage.	2.	Using incorrect belt.	2.	Replace with correct belt.
		2.	Using incorrect belt.	2.	Replace with correct belt.

	Mower drive belt slips or fails to	1.	Idler pulley spring broken or not properly	1.	Repair or replace as needed.
	Mower drive belt slips or fails to		attached.	1.	Repair or replace as needed.
	drive.		attached.	2.	Replace drive belt.
	drive.	2.	Mower drive belt broken.	2.	Replace drive belt.
		2.	Mower drive belt broken.

		1.	Electrical wiring damage.	1.	Locate and repair damaged wire.
	Mower does not engage.	2.	Battery voltage too low.	2.	Recharge battery and check alternator. See
					Battery Maintenance section.

38	www.simplicitymfg.com

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Contents 26HP Zero-Turn Riders 24HP Zero-Turn Riders Mfg. No Description 5900707Mfg. No Description 5900765 Date Purchased Table of Contents Read the Manual Operating SafetyChildren Thrown Objects Slope OperationMoving Parts Retaining Walls, Drop-offs, and Water Roll Bar UseOverhead Obstacles Fuel and Maintenance Enclosed AreasGeneral Operation Transporting and StorageTowed Equipment Ride-On Units EmissionsIgnition System Operating on steep slopes can be dangerousService & Maintenance Service and MaintenanceSafe Handling of Gasoline Operational Warnings Roll Bar InstructionsInspection of the Roll Bar Protective Structure Inspection and Maintenance of the Roll Bar Seat Belt Safety Decals Objects HazardSafety Interlock System Operational Safety ChecksSafety Icons North American Safety IconsIdentification Numbers CE ModelsCE Identification Tag Markings North American ModelsParking Brake PTO Power Take Off SwitchChoke Ignition Switch Hour Meter / Maintenance ReminderSeat Adjustment Lever Throttle ControlGeneral Operating Safety Checks Before StartingSeat Adjustment Check Tire PressuresPushing the Rider by Hand OperationFoot Pedal Adjustment Mowing Height AdjustmentTo Adjust Pedal Position Starting the Engine Stopping the RiderSmooth Travel Zero-Turn Driving PracticeForward Travel Practice Executing an End-Of-Row Zero Turn Practice Turning Around a CornerPractice Turning In Place Storage MowingMowing Recommendations Fire or explosion can cause severe burns or deathMowing Methods Attaching a Trailer Proper MulchingMulching Requires Excellent Mowing Conditions How Much Grass to MulchMaintenance Schedule Check Rider / Mower for loose hardwareChecking / Adding Fuel Fuel FilterChange Oil & Filter Inspect Muffler and Spark ArresterCheck Hydraulic Oil Level Battery MaintenanceChange Hydraulic Oil Filter Lubrication GreaseOil Lubricating the Front CastersServicing The Mower Blades Inspecting the Mower BladesReinstalling the Mower Blades Balancing the Mower Blade NailGround Speed Control Lever Adjustment Speed Balancing AdjustmentReturn-to-Neutral Adjustment Neutral AdjustmentTo Adjust Parking Brake Adjustment Hydraulic Pump Drive Belt ReplacementTo adjust the spring pre-load Rear Suspension AdjustmentSpring loaded components can kick back causing injury Deck Lift Rod Timing And Leveling Adjustment Mower Belt Replacement Mower PTO Belt Idler Arm Stationary Idler PulleyTroubleshooting Troubleshooting the RiderTroubleshooting the Rider Troubleshooting the MowerTroubleshooting Common Cutting Problems StreakingHydroGear PG-3H / HGM-12E HP Briggs & StrattonDeck Indentification Product Quick Specs