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Starting the Tractor .......................................................................................................................................... 4-22
Brake and Differential Lock Setting .................................................................................................................. 4-22
Operating the Mower Wings ............................................................................................................................ 4-23
Engaging and Disengaging the Power Take Off (PTO) and Wings ...................................................4-25
Driving the Tractor and Implements ................................................................................................................. 4-26
Crossing Ditches and Steep Inclines ............................................................................................................... 4-27
OPERATING THE TRACTOR AND IMPLEMENT ........................................................................................... 4-28
Foreign Debris Hazards ................................................................................................................................... 4-29
Bystanders/Passersby Precautions ................................................................................................................. 4-29
PTO RPM and Ground Speed ......................................................................................................................... 4-30
Operating the Mower ....................................................................................................................................... 4-31
Shutting Down the Implement .......................................................................................................................... 4-32
DISCONNECTING THE MOWER FROM THE TRACTOR ............................................................................. 4-33
MOWER STORAGE ........................................................................................................................................ 4-34
TRANSPORTING THE TRACTOR AND IMPLEMENT ................................................................................... 4-35
Transporting on Public Roadways ................................................................................................................... 4-36
Hauling the Tractor and Implement .................................................................................................................. 4-38
TROUBLE SHOOTING GUIDE ....................................................................................................................... 4-41
MAINTENANCE SECTION .................................................................................................. 5-1
DAILY CHECKS ................................................................................................................................................. 5-2
ADJUSTING TENSION OF DRIVEBELTS ........................................................................................................ 5-4
CHANGING HYDRAULIC SYSTEM FILTER ..................................................................................................... 5-4
CUTTER UNIT ................................................................................................................................................... 5-6
GENERAL MAINTENANCE ............................................................................................................................... 5-6
REPLACING CUTTER UNIT DRIVEBELTS ...................................................................................................... 5-7
ADJUSTING CUTTING HEIGHT ....................................................................................................................... 5-7
ROLLER BEARING REPLACEMENT ............................................................................................................... 5-8
CUTTERSHAFT BEARING REPLACEMENT ................................................................................................... 5-9
Outboard Bearing ............................................................................................................................................... 5-9
Inboard (Drive) Bearing .................................................................................................................................... 5-10
CUTTERSHAFT REPLACEMENT ................................................................................................................... 5-10
CHANGING TO FORWARD OR REVERSE ROTATION ................................................................................ 5-11
Wing Mowers ................................................................................................................................................... 5-11
Rear Mower ..................................................................................................................................................... 5-11
REPLACING CUTTER UNIT KNIVES ............................................................................................................. 5-11
HYDRAULICS .................................................................................................................................................. 5-12
General ............................................................................................................................................................ 5-12
Initial Start-Up Procedures ............................................................................................................................... 5-12
POWER CIRCUIT ............................................................................................................................................ 5-14
Replacing Hydraulic Pumps ............................................................................................................................. 5-14
Replacing Outer Pump ..................................................................................................................................... 5-14
Solenoid Control Valve .................................................................................................................................... 5-15
Hydraulic Pump ................................................................................................................................................ 5-16
CONTROL CIRCUIT ........................................................................................................................................ 5-22
Lift and Tilt Cylinders ....................................................................................................................................... 5-22
Disassembly or Lift or Tilt Cylinder .................................................................................................................. 5-22
Cylinder Rod Maintenance ............................................................................................................................... 5-22
Hydraulic Gear Pump ....................................................................................................................................... 5-23
Sectional Control Valve .................................................................................................................................... 5-23
External Coil Slip Disk Replacement ............................................................................................................... 5-25
Slip Clutch ........................................................................................................................................................ 5-26
SEASONAL CLUTCH MAINTENANCE ...................................................................................................
........ 5-27
Proper Torque for Fasteners ............................................................................................................................ 5-28