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Case Wheel Loader 321B 421B Operators Maintenance Manual
321B
421B
Language:English
Number of pages: 194
Main sections:
TO THE OWNER ............................................................................................. 5 - 9
321B AND 421B WHEEL LOADERS............................................................... 5
TO THE OWNER............................................................................................. 6
MACHINE PRESENTATION ........................................................................... 8
RIGHT, LEFT, FRONT AND REAR OF THE MACHINE ................................. 9
IDENTIFICATION NUMBERS/MACHINE COMPONENTS......................... 10 - 12
TYPE, SERIAL NUMBER AND YEAR OF MANUFACTURE
OF THE MACHINE................................................................................... 10
IDENTIFICATION OF THE MAIN COMPONENTS ....................................... 12
SAFETY/DECALS/HAND SIGNALS........................................................... 13 - 38
SAFETY INSTRUCTIONS............................................................................. 13
DECALS......................................................................................................... 24
HAND SIGNALS ............................................................................................ 36
CONTROLS/INSTRUMENTS/ACCESSORIES........................................... 40 - 66
CAB DOORS ................................................................................................. 40
STEPS AND ACCESS HANDLES................................................................. 41
MONITORING PANEL................................................................................... 42
CONTROL PANEL......................................................................................... 44
CONTROL SWITCHES ................................................................................. 46
OPERATORS COMPARTMENT CONTROLS ............................................. 48
OPERATORS SEAT ..................................................................................... 59
FUSE BOXES................................................................................................ 60
REAR WINDOW............................................................................................ 60
HEATING AND VENTILATION...................................................................... 61
REAR-VIEW MIRRORS................................................................................. 62
AIR CONDITIONING ..................................................................................... 62
REAR LIGHTS............................................................................................... 63
TOWING RING.............................................................................................. 63
FUEL TANK ................................................................................................... 64
ENGINE HOOD ............................................................................................. 65
FRONT PANEL.............................................................................................. 66
WHEEL CHOCK ............................................................................................ 66
MACHINE TOOLS ......................................................................................... 66
OPERATING INSTRUCTIONS .................................................................... 67 - 81
BEFORE OPERATING THE MACHINE ........................................................ 67
OPERATING THE MACHINE........................................................................ 68
RUNNING-IN PERIOD................................................................................... 70
STARTING THE ENGINE.............................................................................. 71
SHUTTING DOWN THE ENGINE ................................................................. 74
OPERATING THE MACHINE IN COLD WEATHER ..................................... 75
OPERATING THE MACHINE IN HOT WEATHER........................................ 75
Operating instructions (continued)
TRANSPORTING THE MACHINE ................................................................ 76
TOWING........................................................................................................ 79
OPERATING THE MACHINE IN WATER ..................................................... 81
PARKING THE MACHINE............................................................................. 81
JOB SITE AND ROAD OPERATION .......................................................... 82 - 87
INSTRUCTIONS FOR USE........................................................................... 82
ROAD TRAVEL ............................................................................................. 83
JOB SITE TRAVEL........................................................................................ 85
LOADER OPERATING INSTRUCTIONS...................................................... 86
SERVICING INTERVALS ............................................................................ 88 - 92
SERVICING INSTRUCTIONS....................................................................... 88
HOURMETER................................................................................................ 89
SERVICING INTERVALS.............................................................................. 90
LUBRICATION/FILTERS/FLUIDS............................................................. 94 - 140
FLUIDS AND LUBRICANTS.......................................................................... 94
ENVIRONMENT ............................................................................................ 96
PLASTIC AND RESIN PARTS ...................................................................... 96
FLUID AND LUBRICANT CAPACITIES AND SPECIFICATIONS ................ 97
GREASE POINTS ......................................................................................... 98
LEVELS ....................................................................................................... 106
ENGINE....................................................................................................... 109
COOLING SYSTEM .................................................................................... 112
FUEL SYSTEM............................................................................................ 116
AIR FILTER ................................................................................................. 121
CAB VENTILATION INLET FILTER ............................................................ 124
HYDRAULIC SYSTEM ................................................................................ 125
AXLES AND REDUCTION GEARS............................................................. 129
HYDRAULIC TRANSMISSION.................................................................... 134
BRAKES ...................................................................................................... 139
MAINTENANCE/ADJUSTMENTS........................................................... 141 - 160
WHEELS AND TYRES................................................................................ 141
RADIATOR AND OIL COOLER................................................................... 143
ENGINE ALTERNATOR AND FAN BELT................................................... 145
ADJUSTING THE ENGINE VALVE ROCKER CLEARANCES................... 148
INSPECTING AND CLEANING THE MACHINE......................................... 148
CHANGING A BUCKET TOOTH TIP .......................................................... 148
TOOTH WEAR LIMITS................................................................................ 149
CHANGING THE BUCKET.......................................................................... 149
CHANGING A 4-IN-1 BUCKET ................................................................... 151
CHECKING CYLINDERS FOR LEAKS....................................................... 154
TROUBLESHOOTING................................................................................. 155
ELECTRICAL SYSTEM........................................................................... 162 - 175
FUSES......................................................................................................... 162
STARTER MOTOR FUSE ........................................................................... 164
BATTERY .................................................................................................... 165
BOOSTER BATTERY.................................................................................. 168
ALTERNATOR............................................................................................. 169
STARTER MOTOR...................................................................................... 169
INJECTORS................................................................................................. 170
TURBO-CHARGER (421B series)............................................................... 170
BULBS ......................................................................................................... 170
REPLACING A BULB .................................................................................. 171
ADJUSTING THE HEADLIGHTS ................................................................ 175
STORAGE................................................................................................ 176 - 177
STORING THE MACHINE........................................................................... 176
SPECIFICATIONS................................................................................... 178 - 186
ENGINE....................................................................................................... 178
ELECTRICAL SYSTEM............................................................................... 178
SOUND LEVELS ......................................................................................... 178
HYDRAULIC TRANSMISSION.................................................................... 179
AXLES ......................................................................................................... 179
TYRES......................................................................................................... 180
BRAKES ...................................................................................................... 180
STEERING................................................................................................... 180
HYDRAULIC SYSTEM ................................................................................ 181
CAPACITIES................................................................................................ 182
PERFORMANCE AND SPECIFICATIONS ................................................. 182
STANDARD OR OPTIONAL ACCESSORIES............................................. 184
MACHINE OVERALL DIMENSIONS AND WORKING RANGE.................. 185
ALPHABETICAL INDEX ......................................................................... 187 - 189
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