Case 788 & 988 Wheeled Excavators Operator’s Manual 9-26943 – PDF DOWNLOAD

Description

Case 788 & 988 Wheeled Excavators Operator’s Manual 9-26943 – PDF DOWNLOAD

DESCRIPTION:

Case 788 & 988 Wheeled Excavators Operator’s Manual 9-26943 – PDF DOWNLOAD

TO THE OWNER :

Your machine has been designed and built to the highest standards of quality and conforms to current safety regulations. See “Official documents”. However, the risk of accidents can never be completely excluded. That is why it is essential to observe elementary safety rules and precautions.

• Read this manual carefully, paying particular attention to the instructions concerning safety, operation and maintenance so as to avoid the risk of injury while operating or servicing the machine. Use this manual as a guide. Your machine will remain a reliable working tool provided it is kept in good working condition and serviced properly.
• The standard attachments and equipment available for use with this machine are intended for general earthmoving purposes, material rehandling, boring, ditch cleaning, etc. If the machine is to be used for handling loads (tubing, concrete pipe sections, shoring material, etc.), make sure it is suitably equipped for this type of work.
• For this type of application, the machine must be equipped with safety valves, an overload indicator, a load handling chart corresponding to the type of machine and its attachment and a load fixing point. All legal requirements must also be strictly observed. Do not use this machine for any application or purpose other than those described in this manual.
• If the machine is to be used for work involving the use of special attachments, accessories or equipment, consult your CASE Dealer in order to make sure that any adaptations or modifications made are in keeping with the machine’s technical specifications and with prevailing safety requirements. Any modification or adaptation which is not approved by the manufacturer may invalidate the machine’s initial conformity with safety requirements.

TABLE OF CONTENTS:

Case 788 & 988 Wheeled Excavators Operator’s Manual 9-26943 – PDF DOWNLOAD

TO THE OWNER ………………………………………………………………………………… 5 – 9
P TYPE, 788 AND 988 SERIES WHEELED HYDRAULIC EXCAVATOR…… 5
TO THE OWNER……………………………………………………………………………….. 6
RIGHT, LEFT, FRONT AND REAR OF THE MACHINE ………………………….. 9
IDENTIFICATION NUMBERS/MACHINE COMPONENTS……………………. 10 – 15
TYPE, SERIAL NUMBER AND YEAR OF MANUFACTURE
OF THE MACHINE……………………………………………………………………….. 10
MACHINE COMPONENTS (788 series, P2AL version) …………………………. 12
MACHINE COMPONENTS (988 series, P2AL version) …………………………. 14
SAFETY/DECALS/HAND SIGNALS………………………………………………….. 16 – 37
SAFETY INSTRUCTIONS…………………………………………………………………. 16
DECALS………………………………………………………………………………………….. 27
HAND SIGNALS ………………………………………………………………………………. 34
CONTROLS/INSTRUMENTS/ACCESSORIES………………………………….. 38 – 108
CAB DOOR……………………………………………………………………………………… 38
WALKWAY ACCESS GATE………………………………………………………………. 39
STEPS AND ACCESS HANDLES………………………………………………………. 40
TILTING THE STEERING COLUMN…………………………………………………… 42
INSTRUMENT PANEL………………………………………………………………………. 44
CONTROL PANEL……………………………………………………………………………. 54
CAB CONTROLS……………………………………………………………………………… 56
OPERATOR’S SEAT ………………………………………………………………………… 75
WINDSHIELD ………………………………………………………………………………….. 78
FRONT LOWER WINDOW………………………………………………………………… 80
HEATING AND VENTILATION…………………………………………………………… 81
FORWARD VIEW MIRROR AND REAR VIEW MIRRORS…………………….. 82
ELECTRONIC CONTROL BOX………………………………………………………….. 83
ELECTRICAL CABINETS………………………………………………………………….. 83
TOWING EYE………………………………………………………………………………….. 84
FUEL TANK …………………………………………………………………………………….. 85
TOOL BOXES………………………………………………………………………………….. 86
TOOLS……………………………………………………………………………………………. 86
STABILIZER/DOZER BLADE SELECTOR VALVE
(depending on version)………………………………………………………………….. 87
ENGINE HOODS……………………………………………………………………………… 89
ACCESS PANELS……………………………………………………………………………. 91
RIGHT-HAND SIDE DOOR ……………………………………………………………….. 92
ELECTRICAL SOCKET…………………………………………………………………….. 93
STABILIZER PADS…………………………………………………………………………… 94
FOLDING STABILIZERS (788 series) …………………………………………………. 95
HYDRAULIC RESERVOIR SHUT-OFF VALVE ……………………………………. 97
BATTERY MASTER SWITCH……………………………………………………………. 97
LOAD FIXING POINT ……………………………………………………………………….. 98
LOAD HANDLING EYE ON THE QUICK COUPLER…………………………….. 98
BACKHOE BUCKET MAXIMUM OPENING RANGE AND
MAXIMUM FORCE POSITIONS…………………………………………………….. 99
QUICK COUPLER MAXIMUM OPENING RANGE AND
MAXIMUM FORCE POSITIONS…………………………………………………… 100
Controls/Instruments/Accessories (continued)
REFLECTORS……………………………………………………………………………….. 101
BOOM LOCKING VALVE………………………………………………………………… 102
DIPPER LOCKING VALVE ………………………………………………………………. 102
VALVE BANK PARTITION HOOD ……………………………………………………. 103
ENGINE COMPARTMENT LIGHT…………………………………………………….. 103
WHEEL BLOCKS …………………………………………………………………………… 103
BUCKET/CLAMSHELL SELECTOR VALVE………………………………………. 104
SAFETY VALVES …………………………………………………………………………… 104
FUEL TANK FILLER PUMP……………………………………………………………… 105
ROTARY BEACON…………………………………………………………………………. 107
OPERATING INSTRUCTIONS………………………………………………………. 109 – 145
BEFORE OPERATING THE MACHINE…………………………………………….. 109
MACHINE OPERATION………………………………………………………………….. 110
RUN-IN PERIOD ……………………………………………………………………………. 112
STARTING THE ENGINE………………………………………………………………… 113
STARTING THE ENGINE IN COLD WEATHER…………………………………. 116
STOPPING THE ENGINE ……………………………………………………………….. 117
OPERATING THE MACHINE IN COLD WEATHER ……………………………. 118
INSTALLING THE FUEL TANK CAP ………………………………………………… 119
LOAD HANDLING ………………………………………………………………………….. 120
LOAD HANDLING LIMITS……………………………………………………………….. 122
OVERLOAD INDICATOR………………………………………………………………… 123
TRANSPORTING THE MACHINE ……………………………………………………. 124
HANDLING THE MACHINE …………………………………………………………….. 130
CAB REMOVAL AND INSTALLATION………………………………………………. 132
TOWING THE MACHINE ………………………………………………………………… 136
TOWING THE MACHINE IN AN EMERGENCY …………………………………. 139
OPERATING THE MACHINE IN WATER ………………………………………….. 140
TOOL INSTALLATION AND REMOVAL USING THE QUICK COUPLER…. 141
PARKING THE MACHINE……………………………………………………………….. 145
JOB SITE AND ROAD OPERATION……………………………………………… 146 – 172
OPERATING INSTRUCTIONS…………………………………………………………. 146
ROAD TRAVEL ……………………………………………………………………………… 148
ATTACHING THE CASE CLAMSHELL FOR ROAD TRAVEL
(except Germany)……………………………………………………………………….. 158
JOB SITE TRAVEL…………………………………………………………………………. 163
WORKING INSTRUCTIONS ……………………………………………………………. 165
LOAD HANDLING ………………………………………………………………………….. 172
SERVICE INTERVALS…………………………………………………………………. 173 – 177
SERVICE INSTRUCTIONS……………………………………………………………… 173
HOURMETER………………………………………………………………………………… 174
SERVICE INTERVALS CHART………………………………………………………… 175
LUBRICATION/FILTERS/FLUIDS …………………………………………………. 178 – 255
FLUIDS AND LUBRICANTS…………………………………………………………….. 178
ENVIRONMENT …………………………………………………………………………….. 181
PLASTIC AND RESIN COMPONENTS …………………………………………….. 181
CAPACITIES AND SPECIFICATIONS OF
FLUIDS AND LUBRICANTS …………………………………………………………… 182
Lubrication/Filters/Fluids (continued)
GREASE POINTS…………………………………………………………………………… 184
FLUID LEVELS………………………………………………………………………………. 214
ENGINE ………………………………………………………………………………………… 217
COOLING SYSTEM………………………………………………………………………… 221
FUEL SYSTEM………………………………………………………………………………. 224
FUEL HEATER PRECLEANER………………………………………………………… 228
RELEASING PRESSURE IN THE HYDRAULIC SYSTEM …………………… 231
HYDRAULIC SYSTEM ……………………………………………………………………. 232
AIR FILTER……………………………………………………………………………………. 242
SWING REDUCTION GEAR ……………………………………………………………. 247
AXLES AND REDUCTION GEARS…………………………………………………… 250
GEARBOX …………………………………………………………………………………….. 254
MAINTENANCE/ADJUSTMENTS………………………………………………….. 256 – 299
FUEL TANK FILTER……………………………………………………………………….. 256
FRONT AXLE LOCKING CYLINDERS………………………………………………. 256
WHEELS AND TIRES……………………………………………………………………… 257
HEATING UNIT FILTER ………………………………………………………………….. 259
RADIATOR AND OIL COOLER………………………………………………………… 260
ENGINE ALTERNATOR BELT AND FAN ………………………………………….. 261
ADJUSTING ROCKER ARM CLEARANCE ……………………………………….. 262
INSPECTING AND CLEANING THE MACHINE …………………………………. 262
ACCUMULATORS………………………………………………………………………….. 263
QUICK COUPLER INSPECTION AND MAINTENANCE ……………………… 264
REPLACING A BACKHOE BUCKET TOOTH TIP ………………………………. 265
TEETH AND TOOTH TIP WEAR LIMITS…………………………………………… 266
REPLACING A BACKHOE BUCKET SIDE CUTTER…………………………… 267
REPLACING A BACKHOE BUCKET (788 series)……………………………….. 268
REPLACING A BACKHOE BUCKET (988 series)……………………………….. 271
REPLACING A CLAMSHELL TOOTH……………………………………………….. 276
REPLACING A CLAMSHELL AND ITS UNIVERSAL COUPLING…………. 276
REPLACING A BACKHOE BUCKET BY A CLAMSHELL
(or vice-versa)……………………………………………………………………………….. 279
REPLACING AN EJECTOR BUCKET……………………………………………….. 282
SLEEVES FOR THREADED PINS……………………………………………………. 285
REPLACING A HOSE……………………………………………………………………… 286
REPLACING STANDARD PINS WITH “EXPANDER” PINS …………………. 287
CHECKING FOR CYLINDER LEAKAGE …………………………………………… 288
HYDRAULIC HAMMER INSTALLATION……………………………………………. 288
SHIMMING OF ATTACHMENTS………………………………………………………. 289
AIR CONDITIONING (optional) ………………………………………………………… 292
ENGINE TROUBLESHOOTING……………………………………………………….. 295
ELECTRICAL SYSTEM………………………………………………………………… 300 – 317
FUSES AND RELAYS LEFT AND RIGHT-HAND
COMPARTMENTS……………………………………………………………………… 300
BATTERIES…………………………………………………………………………………… 303
BOOSTER BATTERIES ………………………………………………………………….. 307
ALTERNATOR……………………………………………………………………………….. 308
STARTER MOTOR…………………………………………………………………………. 308
ELECTRONIC CONTROL BOX………………………………………………………… 309
Electrical system (continued)
TEMPERATURE SENDER………………………………………………………………. 310
BULBS………………………………………………………………………………………….. 310
REPLACING A BULB ……………………………………………………………………… 311
ADJUSTING THE UPPERSTRUCTURE HEADLIGHTS………………………. 317
STORAGE ………………………………………………………………………………….. 318 – 319
STORING THE MACHINE……………………………………………………………….. 318
SPECIFICATIONS……………………………………………………………………….. 320 – 364
ENGINE………………………………………………………………………………………… 320
HYDRAULIC SYSTEM……………………………………………………………………. 322
ELECTRICAL SYSTEM…………………………………………………………………… 324
UPPERSTRUCTURE ……………………………………………………………………… 324
CAB ……………………………………………………………………………………………… 324
OPERATOR’S COMPARTMENT ……………………………………………………… 325
UNDERCARRIAGE (depending on version) ………………………………………. 325
TIRES …………………………………………………………………………………………… 325
BRAKES ……………………………………………………………………………………….. 325
SAFETY DEVICES…………………………………………………………………………. 326
GAUGES ………………………………………………………………………………………. 326
WARNING AND INDICATOR LAMPS……………………………………………….. 326
TRAVEL………………………………………………………………………………………… 326
ATTACHMENTS…………………………………………………………………………….. 327
NOISE LEVEL ……………………………………………………………………………….. 327
VIBRATION LEVEL IN OPERATOR’S COMPARTMENT …………………….. 327
WEIGHTS……………………………………………………………………………………… 328
BUCKETS……………………………………………………………………………………… 331
CLAMSHELLS……………………………………………………………………………….. 333
MACHINE OVERALL DIMENSIONS…………………………………………………. 336
WORKING RANGE ………………………………………………………………………… 342
TRANSPORT OVERALL DIMENSIONS ……………………………………………. 348
ROAD TRAVEL OVERALL DIMENSIONS…………………………………………. 351
ATTACHMENT CONFIGURATIONS…………………………………………………. 352
MATERIAL DENSITY HANDLING TABLE
(Backhoe attachment) (788 series) ……………………………………………….. 354
MATERIAL DENSITY HANDLING TABLE
(Backhoe attachment) (988 series) ……………………………………………….. 356
MATERIAL DENSITY HANDLING TABLE
(Clamshell attachment) (788 series) ……………………………………………… 358
MATERIAL DENSITY HANDLING TABLE
(Clamshell attachment) (988 series) ……………………………………………… 360
DENSITY OF VARIOUS SOILS AND MATERIALS …………………………….. 362
ALPHABETICAL INDEX ………………………………………………………………. 365 – 369

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CASE 788 & 988 WHEELED EXCAVATORS OPERATOR’S MANUAL 9-26943 – PDF DOWNLOAD:

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