
Safety .............................................................. Page 1-1
Safe Operating Practices ...............................Page 1-2
Safety Signs and Instruction Signs ................ Page 1-5
Disposal .......................................................... Page 2-1
Recycle and Waste Disposal ......................... Page 2-2
Maintenance Standards and Maintenance .. Page 3-1
Unit Conversion ............................................. Page 3-2
Maintenance Standards .................................Page 3-4
Tightening Torques ........................................Page 3-5
General Precautions ...................................... Page 3-9
Special Tool ................................................. Page 3-12
Usage .......................................................... Page 3-19
Jacking Up The Machine ............................. Page 3-20
Greasing ...................................................... Page 3-21
Lubrication ................................................... Page 3-24
Hydraulic System ...........................................Page 4-1
General Inspection and Repair ...................... Page 4-2
Hydraulic Circuit Configuration .................... Page 4-12
Hydraulic Circuit Flow .................................. Page 4-21
Measurement ...............................................Page 4-29
Electrical System ........................................... Page 5-1
General Inspection and Repair ...................... Page 5-2
Electrical System Outline ...............................Page 5-8
Electrical Circuit Configuration .....................Page 5-17
Electrical components ..................................Page 5-26
Main Vehicle ................................................... Page 6-1
Specifications .................................................Page 6-2
Adjustment .....................................................Page 6-2
Removal and Installation of Each Section ..... Page 6-4
Inspection and Repair of Each Section ..........Page 6-5
Mechanical brake manual ..............................Page 6-6
Troubleshooting .............................................Page 7-1
Relating to Engine ......................................... Page 7-2
Relating to Traveling ......................................Page 7-5
Relating to Steering ....................................... Page 7-6
Relating to Mower Unit .................................. Page 7-7
Reference ........................................................Page 8-1
Specifications .................................................Page 8-2
Maintenance Schedule .................................. Page 8-3
List of Consumables ...................................... Page 8-8
LM531
Contents