Case Wheel Loader 321B 421B Operators Maintenance Manual

Case Wheel Loader 321B 421B Operators Maintenance Manual

It is complete Operator’s Manual for Case Wheel Loaders models:
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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