Contents
Safety ....................................................................... 5
Safety Alert Symbol ............................................ 5
General Safety ................................................... 5
Slope Indicator ................................................... 6
Safety and Instructional Decals .......................... 7
Product Overview ................................................... 13
Controls ........................................................... 14
Horizon Display Monitor ................................ 14
Specifications .................................................. 16
Before Operation ................................................. 16
Before Operation Safety ................................... 16
Adding Fuel ...................................................... 18
Performing Daily Maintenance.......................... 18
Breaking in a New Machine .............................. 19
Using the Rollover Protection System
(ROPS) ......................................................... 19
Using the Safety-Interlock System .................... 20
Positioning the Seat.......................................... 21
Unlatching the Seat .......................................... 21
Changing the Seat Suspension......................... 21
During Operation ................................................. 22
During Operation Safety ................................... 22
Operating the Parking Brake............................. 24
Lowering the Wing Decks ................................. 25
Operating the Mower Blade-Control Switch
(PTO) ............................................................ 25
Starting the Engine ........................................... 26
Shutting Off the Engine..................................... 26
Raising and Locking the Wing Decks ................ 27
Using the Motion-Control Levers....................... 27
Driving the Machine .......................................... 28
Adjusting the Height of Cut ............................... 29
Adjusting the Anti-Scalp Rollers........................ 30
Operating Tips ................................................. 31
After Operation .................................................... 32
After Operation Safety ...................................... 32
Using the Drive-Wheel-Release Valves ............ 32
Transporting the Machine ................................. 33
Maintenance ........................................................... 35
Maintenance Safety.......................................... 35
Recommended Maintenance Schedule(s) ........... 36
Lubrication .......................................................... 37
Greasing the Machine....................................... 37
Lubricating the Mower Deck-Lift Pivots ............. 37
Greasing the Mower Deck ................................ 38
Lubricating the Caster-Wheel Hubs .................. 38
Engine Maintenance ........................................... 39
Engine Safety ................................................... 39
Servicing the Air Cleaner .................................. 39
Servicing the Engine Oil.................................... 41
Servicing the Spark Plug................................... 43
Checking the Spark Arrester ............................. 44
Fuel System Maintenance ................................... 45
Replacing the Fuel Filter ................................... 45
Servicing the Fuel Tank..................................... 46
Inspecting the Engine-Valve Clearance ............ 46
Connections.................................................. 46
Electrical System Maintenance ........................... 46
Electrical System Safety ................................... 46
Servicing the Battery......................................... 46
Servicing the Fuses .......................................... 49
Drive System Maintenance .................................. 49
Adjusting the Tracking ...................................... 49
Checking the Tire Pressure............................... 50
Checking the Wheel Lug Nuts........................... 50
Checking the Wheel Hub Slotted Nut ................ 51
Adjusting the Caster-Pivot Bearing ................... 51
Brake Maintenance ............................................. 51
Adjusting the Parking Brake.............................. 51
Belt Maintenance ................................................ 52
Controls System Maintenance ............................. 54
Adjusting the Control-Handle Position .............. 54
Adjusting the Motion-Control Linkage ............... 54
Adjusting the Motion-Control Damper ............... 55
Hydraulic System Maintenance ........................... 56
Mower Deck Maintenance.................................... 58
Leveling the Mower Deck.................................. 58
Blade Safety ..................................................... 61
Servicing the Cutting Blades ............................. 61
Cleaning .............................................................. 64
Cleaning the Machine and Mower
Deck.............................................................. 64
Cleaning the Hydro Fan Cooling Guards,
Hydro Cooling Fins, and Fan ......................... 64
Disposing of Waste........................................... 64
Storage ................................................................... 65
Troubleshooting ...................................................... 66
Schematics ............................................................. 68
4
Summary of Contents for Air Cool Z Master 74090
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