TABLE OF CONTENTS
Form 169017 / 169087 / 169095 4 Revision C
7.7.5 Park Brake ................................................................................................................................. 130
7.7.6 HVAC System ............................................................................................................................ 132
7.8 CUMMINS ENGINE (M150) ................................................................................................ 135
7.8.1 General Engine Inspection ......................................................................................................... 135
7.8.2 Manually Turning Engine ........................................................................................................... 135
7.8.3 Oil Level ..................................................................................................................................... 136
7.8.4 Changing Oil and Oil Filter ......................................................................................................... 137
7.8.5 Air Intake System ....................................................................................................................... 139
7.8.6 Fuel System ............................................................................................................................... 142
7.8.7 Engine Cooling System .............................................................................................................. 147
7.8.8 Gearbox ..................................................................................................................................... 150
7.8.9 Exhaust System ......................................................................................................................... 152
7.8.10 Belts ........................................................................................................................................... 153
7.8.11 Engine Speed ............................................................................................................................ 154
7.9 CAT ENGINE (M200) .......................................................................................................... 155
7.9.1 General Engine Inspection ......................................................................................................... 155
7.9.2 Oil Level ..................................................................................................................................... 155
7.9.3 Changing Oil and Oil Filter ......................................................................................................... 156
7.9.4 Air Intake System ....................................................................................................................... 157
7.9.5 Aspirator Hose and Check Valve Replacement ......................................................................... 159
7.9.6 Fuel System ............................................................................................................................... 161
7.9.7 Engine Cooling System .............................................................................................................. 166
7.9.8 Gearbox ..................................................................................................................................... 170
7.9.9 Exhaust System ......................................................................................................................... 172
7.9.10 Belts ........................................................................................................................................... 173
7.10 COOLING BOX .................................................................................................................... 175
7.10.1 Cooling Box Screen ................................................................................................................... 175
7.10.2 Cooling Box Maintenance .......................................................................................................... 177
7.11 ELECTRICAL SYSTEM ....................................................................................................... 179
7.11.1 Battery ....................................................................................................................................... 179
7.11.2 Headlights - Engine-Forward ..................................................................................................... 184
7.11.3 Field lights - Cab-Forward .......................................................................................................... 186
7.11.4 Flood Lights - Forward ............................................................................................................... 186
7.11.5 Flood Lights - Rear .................................................................................................................... 187
7.11.6 Red and Amber Lights ............................................................................................................... 188
7.11.7 Red Tail Lights (If Installed) ....................................................................................................... 189
7.11.8 Beacons (If Installed) ................................................................................................................. 189
7.11.9 Gauge Light ............................................................................................................................... 191
7.11.10 Dome Light ................................................................................................................................ 191
7.11.11 Ambient Light ............................................................................................................................. 191
7.11.12 Turn Signal Indicators ................................................................................................................ 191
7.11.13 Circuit Breakers and Fuses ........................................................................................................ 192
7.12 HYDRAULIC SYSTEM ........................................................................................................ 195
7.12.1 Oil Level ..................................................................................................................................... 195
7.12.2 Changing Hydraulic Oil .............................................................................................................. 196
7.12.3 Hydraulic Oil Cooler ................................................................................................................... 196
7.12.4 Hydraulic Oil Filters .................................................................................................................... 196
7.12.5 Header and Reel Hydraulics ...................................................................................................... 197
7.12.6 Traction Drive Hydraulics ........................................................................................................... 199
7.12.7 Hoses and Lines ........................................................................................................................ 200
7.13 WHEELS AND TIRES ......................................................................................................... 201
7.13.1 Drive Wheels ............................................................................................................................. 201
7.13.2 Caster Wheels ........................................................................................................................... 204
7.14 MAINTENANCE SCHEDULE .............................................................................................. 208
7.14.1 Break-In Inspections .................................................................................................................. 208
7.14.2 Interval Maintenance ................................................................................................................. 209
8 TROUBLESHOOTING ................................................................................................................. 212
8.1 ENGINE ............................................................................................................................... 212
8.2 ELECTRICAL ....................................................................................................................... 215
8.3 HYDRAULICS ...................................................................................................................... 215
8.4 HEADER DRIVE .................................................................................................................. 216
8.5 TRACTION DRIVE .............................................................................................................. 216
8.6 STEERING AND GROUND SPEED CONTROL ................................................................. 217