Exmark TTS20KAE483, TTS16KA483, TTS16KA363 PTO Safety Switch, Clean Engine and Exhaust System Area

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Maintenance

PTO Safety Switch

Mounted to a tab on the inside left side of the fuel tank support.

1.Stop engine and wait for all moving parts to stop. Engage parking brake. Remove ignition key or spark plug wire(s).

2.With PTO disengaged and the bellcrank touching the rear of the slot in the engine deck, adjust the PTO safety switch (if needed) until the bellcrank arm is 5/16 inch (7.9 mm) from the switch body.

3.Be sure the bellcrank Does Not touch the switch body or damage to the switch could occur.

4.Retighten PTO switch mounting hardware.

Cleaning

Clean Engine and Exhaust System Area

Service Interval: Before each use or daily (May be required more often in dry or dirty conditions.)

CAUTION

Excessive debris around engine cooling air intake and exhaust system area can cause engine, exhaust area, and hydraulic system to overheat which can create a fire hazard.

Clean all debris from engine and exhaust system area.

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Clean all debris from rotating engine air intake screen, around engine shrouding, and exhaust system area.

3.Wipe up any excessive grease or oil around the engine and exhaust system area

Remove Engine Shrouds and Clean Cooling Fins

Service Interval: Every 100 hours

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Remove cooling shrouds from engine and clean cooling fins. Also clean dust, dirt, and oil from external surfaces of engine which can cause improper cooling.

3.Make sure cooling shrouds are properly reinstalled. Operating the engine without cooling shrouds will cause engine damage due to overheating.

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Contents Turf Tracer Series California Introduction Contents Safety Alert Symbol SafetySafe Operating Practices TrainingSafety Slope Operation OperationMaintenance and Storage Safety Safety and Instructional Decals 413327 103-1977 109-3148 116-0404 117-2718 Model Numbers SpecificationsSystems Dimensions Torque Requirements Product OverviewControls OperationIgnition Switch Electric Start Only Off-Run Switch Manual Start OnlyTracking Adjustment Knob Park Brake LeverOperating Instructions Pre-StartOpen the Fuel Shut-Off Valve Starting the Engine Manual StartStopping the Engine Disengaging the PTODriving the Machine Drive Lever/Neutral Lock Latch OperationDriving Forward Adjusting the Cutting HeightDriving in Reverse Adjusting the Anti-Scalp Rollers Transporting a Unit TransportingRecommended Maintenance Schedules MaintenanceCheck Engine Oil Level Check Battery Charge Electric Start Units OnlyProposition 65 Warning Do Not jump start a weak battery if these conditions exist Service Interval As requiredCheck Mower Blades Install bushing/blade assembly into spindleReplacing the Discharge Deflector Service Air Cleaner Check Safety Interlock SystemCheck for Loose Hardware Check Tire Pressures Change Engine OilCheck Condition Of Belts Check Hydraulic Oil LevelChange Fuel Filter Check Spark PlugsChange Hydraulic System Filter LevelHydraulic System Air Purge Replace Emissions Air Intake Filter Wheel Hub-Slotted Nut Torque SpecificationStyle a black finish Torque the slotted nut to 140-155 ft-lb 190-210 N-mThread Locking Adhesives Inspect PTO Clutching Belt TensionMobil HTS Grease Or Food-Grade Anti-seize Copper-Based Anti-seizeHydro Drive Linkage Adjustment Park Brake AdjustmentDeck Leveling Pump Drive Belt TensionRepeat above adjustments if necessary Adjust Hydro Control LinkagesHydro Pump Spring Tension Setting Tracking AdjustmentDrive Lever Linkage Adjustment Clean Engine and Exhaust System Area PTO Safety SwitchRemove Engine Shrouds and Clean Cooling Fins Retighten PTO switch mounting hardwareClean Grass Build-Up Under Deck Clean Debris From MachineBattery Disposal Waste DisposalProblem Possible Cause Corrective Action TroubleshootingTroubleshooting Electrical Diagram SchematicsSchematics Hydraulic Diagram Exmark Commercial Turf Equipment Date Description of Work Done Service Done By Service RecordPage This page may be copied for personal use See EXMARK’S Complete Line of Accessories and Options