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Exmark COMMERCIAL 21 manual Troubleshooting, Problem, Possible Cause, Corrective Action

Models: COMMERCIAL 21

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				Troubleshooting

Problem		Possible Cause		Corrective Action

Lawn mower does not self-propel.	1.	The self-propel drive cable is out of	1.	Adjust the self-propel drive cable. Replace
(Self-Propel Units Only)		adjustment or is damaged.		the cable if necessary.
	2.	There is debris under the belt cover.	2.	Clean the debris from under the belt
				cover.

Difficult to pull lawnmower rearward	1.	Transmission is locked.	1.	Push mower forward to disengage the
(Self-Propelled Units Only).				transmission and then pull rearward.

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Exmark COMMERCIAL 21 manual Troubleshooting, Problem, Possible Cause, Corrective Action, Lawn mower does not self-propel

Contents

For Serial Nos 312,000,000 & Higher COMMERCIALAll Rights Reserved CALIFORNIA Proposition 65 WarningModel No Serial No IntroductionIntroduction ContentsPeriodic Maintenance Cleaning Under the Cover Plate Non-BladeALERT! YOUR SAFETY IS INVOLVED SafetySafety Alert Symbol SafetyKeep away from eyes and skin Never siphon by mouth DANGERAvoid prolonged breathing of vapors Keep face away from nozzle and gas tank/container openingKeep hands, feet, hair, jewelry, or clothing away from rotating parts OperationAllow engine parts, especially the muffler, to cool before touching Remove accumulated debris from muffler and engine areaMow across slopes, never up and down Maintenance and StorageDo Not mow slopes when grass is wet Slope OperationSafety Safety and Instructional Decals109-9317 116-1922 SafetySafety Interlock System SpecificationsDimensions SpecificationsOverall Length and Height at 2 1/2 inch Cutting Height Product OverviewProduct Overview Operation Engine Stop SwitchOperation ControlsOperation Pre-StartFuel Shut-Off Valve Starting the Engine Handle AdjustmentOperating Instructions Open the Fuel Shut-Off ValveOperating the Blade Control Lever Blade Brake Clutch Units Only Stopping the EngineOperating the Self-Propel Drive Self-Propelled Units Only Operating the Blade Control Bail Units Without Blade Brake ClutchOperation Using the Mulch PlugChecking the Blade Brake Clutch Blade Brake Clutch Units Only Rear Wheel Adjustment Test Using the Grass BagAdjusting the Cutting Height Authorized Service DealerCut the grass until the bag is full. Note Do Not overfill the bag Using the Grass BagOperation DANGER Operating TipsOperation Maintenance MaintenanceRecommended Maintenance Schedules Checking the Blade Brake Clutch Blade Brake Clutch Only Periodic MaintenanceService Interval Before each use or daily Check Engine Oil LevelMaintenance Emptying the Fuel Tank and Cleaning the Fuel Filter sectionInspect the blade periodically for wear or damage Replace a worn or damaged bladeMaintenance Check for Loose HardwareCheck the Blade Brake Clutch Bail Operation Blade Brake Clutch Units OnlyEvery 250 hours- Replace the air filter elements Service Air Filter Kawasaki UnitsService Air Filter ECXHNBBC21 and ECXHN21 Units MaintenanceEvery 50 hours May need more often under severe conditions Service Interval After the first 5 hoursAvoid contacting the hot engine oil when you drain it Change Engine OilCheck Condition Of Belt Self-Propelled Units Only Service Interval Every 100 hoursService Interval Every 40 hours Change Oil Filter ECXKA21 and ECXKABBC21Do Not operate the unit when cover is not in place AdjustmentsEmptying the Fuel Tank and Cleaning the Fuel Filter Adjusting the Self-Propel Drive Self-Propelled Units Only1. Spring Adjusting the Blade Brake Cable Blade Brake Clutch Units OnlyMaintenance 1. Adjustment of drive cable nutsCleaning Under the Belt Cover Self-Propelled Units Only CleaningClean Grass Build-Up Under Deck Cleaning the Discharge Tunnel and PlugService Interval Every 50 hours Cleaning the Blade Brake Clutch Shield Blade Brake Clutch Units OnlyCleaning Under the Cover Plate Non-Blade Brake Clutch Units Only MaintenanceMaintenance Waste DisposalMotor Oil Disposal General Storage Information StoragePreparing the Fuel System Preparing the EngineTroubleshooting TroubleshootingCorrective Action TroubleshootingProblem Possible CauseOwner’s Responsibilities Exmark Commercial Equipment1 Year Limited Warranty Instructions for Obtaining Warranty ServicePage Description of Work Done Service RecordService Done By DatePage WALK-BEHIND ACCESSORIES AND OPTIONS SEE EXMARK’S COMPLETE LINE OF ACCESSORIES AND OPTIONSMID-MOUNT RIDING ACCESSORIES AND OPTIONS OUT-FRONT RIDING ACCESSORIES AND OPTIONS

Lawn mower does not self-propel.