Toro 74997 Operator's Manual page 3

Operating the Mower Blade-Control Switch
(PTO) ...............................................................20
Operating the Throttle ............................................21
Operating the Choke...............................................21
Operating the Ignition Switch ..................................21
Using the Fuel-Shutoff Valve ...................................21
Starting and Shutting Off the Engine.........................22
Using the Safety-Interlock System.............................23
Driving Forward or Backward ..................................24
Shutting Off the Machine ........................................26
Adjusting the Height of Cut .....................................26
Adjusting the Anti-Scalp Rollers ...............................27
Adjusting the Flow-Baffle-Cam Locks .......................28
Positioning the Flow Baffle ......................................28
Positioning the Seat ................................................29
Unlatching the Seat.................................................29
Adjusting the MyRide™ Suspension System...............30
Using the Drive-Wheel Release Valves .......................31
Using the Side Discharge .........................................32
Transporting the Machine........................................32
Loading the Machine ..............................................32
Operating Tips ......................................................34
Maintenance .................................................................35
Recommended Maintenance Schedule(s) ......................35
Lubrication ...............................................................36
Adding Light Oil or Spray Lubrication .......................36
Greasing the Mower ...............................................36
Lubricating the Caster-Wheel Hubs...........................37
Engine Maintenance ..................................................38
Servicing the Air Cleaner .........................................38
Servicing the Engine Oil..........................................39
Servicing the Spark Plug ..........................................42
Checking the Spark Arrester.....................................43
Fuel System Maintenance ...........................................44
Replacing the Fuel Filter..........................................44
Servicing the Fuel Tank ...........................................44
Electrical System Maintenance ....................................45
Servicing the Battery...............................................45
Servicing the Fuses .................................................46
Drive System Maintenance .........................................47
Checking the Seat Belt.............................................47
Checking the Rollover-Protection-System (ROPS)
Knobs...............................................................47
Adjusting the Tracking ............................................48
Checking the Tire Pressure ......................................48
Checking the Wheel Lug Nuts ..................................48
Checking the Wheel Hub Slotted Nut ........................49
Adjusting the Caster-Pivot Bearing............................49
Using the Clutch Shim ............................................49
Cooling System Maintenance ......................................51
Cleaning the Engine Screen and Engine-Oil
Cooler...............................................................51
Cleaning the Engine Cooling Fins and
Shrouds.............................................................52
Cleaning the Hydraulic Units....................................52
Brake Maintenance ....................................................53
Adjusting the Parking Brake .....................................53
Belt Maintenance ......................................................54
Inspecting the Belts ................................................54
Replacing the Mower Belt ........................................54
Replacing the Hydraulic-Pump Drive Belt ..................55
Controls System Maintenance .....................................56
Adjusting the Control-Handle Position......................56
Adjusting the Motion-Control Linkage ......................56
Adjusting the Motion-Control Damper .....................57
Adjusting the Motion-Control Neutral-Lock
Pivot .................................................................58
Hydraulic System Maintenance ....................................58
Servicing the Hydraulic System.................................58
Mower Deck Maintenance...........................................60
Leveling the Mower Deck ........................................60
Servicing the Cutting Blades.....................................63
Removing the Mower Deck .....................................65
Replacing the Grass Deflector ..................................67
Cleaning ...................................................................67
Cleaning under the Mower.......................................67
Cleaning the Suspension System ...............................67
Disposing of Waste.................................................67
Storage ........................................................................68
Cleaning and Storage ..............................................68
Troubleshooting ...........................................................69
Schematics ...................................................................71
3