ISEKI LAWN MOWERS
9
4.11. PRECAUTIONS AFTER INSTALLATION OF HST UNIT .............................................. 113
5. ADJUSTMENT OF HIST ........................................................................................................ 114
CHAPTER 11. HYDRAULIC SYSTEM ......................................................................................... 117
1. HYDRAULIC SYSTEM DIAGRAMS ...................................................................................... 117
2. INSPECTION OF MAJOR COMPONENTS ........................................................................... 119
2.1. SUCTION FILTER ........................................................................................................... 119
2.2. HYDRAULIC PUMP (GEAR PUMP) ............................................................................... 119
2.3. RELIEF VALVE FUNCTION ............................................................................................ 119
2.4. RELIEF METAL (support) ...............................................................................................120
2.5. OIL FILTER (Relief metal (support) ................................................................................120
CHAPTER 12. POWER STEERING SYSTEM .............................................................................121
1. CONSTRUCTION ..................................................................................................................121
2. WORKING PRINCIPLE .........................................................................................................122
2.1. When the steering wheel is in neutral position: ..............................................................122
2.2. When the sterrring wheel is operated: ............................................................................122
3. MAJOR TROUBLES AND CAUSES, AND COUNTERMEASURES .....................................123
CHAPTER 13. ELECTRICAL ACCESSORIES ............................................................................127
1. ELECTRICAL COMPORNENS AND WIRE HARNESS ........................................................127
2. WIRING DIAGRAM (E TYPE) ................................................................................................129
3. WIRING DIAGRAM (GE TYPE) .............................................................................................130
4. STARTER ..............................................................................................................................131
4.1. CONSTRUCTION ...........................................................................................................131
4.2. REMOVAL AND DISASSEMBLY OF STARTER .............................................................132
4.3. INSPECTION OF COMPONENTS .................................................................................132
4.4. REASSEMBLY OF STARTER ........................................................................................135
4.5. INSPECTION OF THE STARTER AFTER REMOVAL FROM THE TRACTOR .............136
4.6. PERFORMANCE TEST ..................................................................................................136
4.7. INSTALLATION OF THE STARTER ...............................................................................137
5. ALTERNATOR........................................................................................................................138
5.1. EXPLOTED VIEW, SPECIFICATIONS, AND PERFORMANCE CURVES .....................138
5.2. TROUBLESHOOTING ....................................................................................................139
5.3. REMOVAL AND DISASSEMBLY ....................................................................................139
5.4. INSPECTION ..................................................................................................................141
5.5. RE-ASSEMBLY ...............................................................................................................144
6. GLOW PLUGS .......................................................................................................................145
6.1. SECTIONAL VIEW .........................................................................................................145
6.2. REMOVAL, INSPECTION, AND RE-ASSEMBLY ...........................................................146