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BELT SHIELD Removal and Installation Remove the mounting bolt (Item 1) [A] from the thermostat housing. Remove the mounting bolt (Item 2) [A] from the cylinder head. Remove the mounting bolt (Item 3) [A]. Remove the mounting bolt (Item 1) [B] from the alternator mounting bracket. Remove the belt shield from the engine. A B 1 2 3 P–04947 P–04945 853, 853H BICS Loader –7–37– Service Manual 1
VALVE CLEARANCE Adjustment Make the valve clearance adjustment with engine stopped and cold. The correct clearance is 0.016 inch (0,41 mm) with the engine cold [A]. Put the correct size feeler gauge between the rocker arm and the valve stem. Turn the adjustment bolt until the clearance is correct [B]. Use the following sequence to set the valve clearance: Front Rear Cylinder No. 1 2 3 4 Valve arrangement I E I E I E I E Piston in No. 1 cylinder is at TDC on compression stroke Piston in No. 4 cylinder is at TDC on compression stroke ENGINE COMPRESSION Checking • • • • • • • • The tools listed will be needed to do the following procedure: OEM1074 – Engine Compression Kit MEL1268 – Compression Gauge Test Adapter The engine must be at operating temperature. Remove the glow plugs (Page 7–39) [C]. Install the correct compression adapter into the cylinder head. Connect the compression gauge [D]. The engine must be turning at about 175 RPM. The compression must be between 300–500 PSI (2069–3448 kPa) with no more than 50 PSI (345 kPa) difference between cylinders. The engine has an open crankcase ventilation system. The ventilation hose comes from the valve cover tube (Item 1) [D] and passes down the side of the engine block. –7–38– A B C D 1 0.016 inch (0,41 mm) Cold B–04123 B–08934 B–08922 B–08920 853, 853H BICS Loader Service Manual
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EQUIPPED WITH BOBCAT INTERLOCK CONT
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FOREWORD . . . . . . . . . . . . .
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17. Inspect the air cleaner for dam
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SAFETY INSTRUCTIONS Instructions ar
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SERIAL NUMBER LOCATIONS Always use
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All 853 & 853H Bobcat loaders are e
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PREVENTIVE MAINTENANCE Page Number
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SERVICE SCHEDULE Maintenance work m
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TRANSPORTING THE LOADER Procedure A
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LIFT ARM SUPPORT DEVICE Never work
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OPERATOR CAB (Cont’d) Lowering th
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AIR CLEANER SERVICE Replacing Filte
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FUEL SYSTEM Fuel Specifications Use
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ENGINE LUBRICATION SYSTEM Checking
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ENGINE COOLING SYSTEM Cleaning the
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USING A BOOSTER BATTERY (Jump Start
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HYDRAULIC/HYDROSTATIC SYSTEM (Cont
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SPARK ARRESTOR MUFFLER Cleaning Pro
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FINAL DRIVE TRANSMISSION (CHAINCASE
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LUBRICATING THE LOADER (Cont’d) P
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REMOTE START SWITCH (Cont’d) Proc
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HYDRAULIC SYSTEM Page Number BUCKET
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1 FLUID RESERVOIR: Cap . . . . 15.5
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HYDRAULIC/HYDROSTATIC SCHEMATIC 853
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HYDRAULIC SYSTEM TROUBLESHOOTING Ch
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LIFT CYLINDER(S) Checking the Lift
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TILT CYLINDER Checking the Tilt Cyl
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HYDRAULIC CYLINDER Lift Cylinder Id
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HYDRAULIC CYLINDER (Cont’d) Disas
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HYDRAULIC CYLINDER (Cont’d) Disas
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HYDRAULIC CYLINDER (Cont’d) Assem
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HYDRAULIC CYLINDER (Cont’d) Assem
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MAIN RELIEF VALVE Checking the Main
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MAIN RELIEF VALVE (Cont’d) Remova
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DUAL PRESSURE MAIN RELIEF VALVE - 8
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DUAL PRESSURE MAIN RELIEF VALVE - 8
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SELECT VALVE (G.E.M. Block) 853H Ch
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HYDRAULIC CONTROL VALVE (Cont’d)
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HYDRAULIC PUMP Checking the Output
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HYDRAULIC PUMP (Cont’d) Parts Ide
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HYDRAULIC PUMP (Cont’d) Disassemb
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HYDRAULIC PUMP (Cont’d) Assembly
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HYDRAULIC PUMP (Double Gear) 853H C
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HYDRAULIC PUMP (Double Gear) 853H (
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HYDRAULIC FLUID RESERVOIR Removal a
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HYDRAULIC FILTER HOUSING Removal an
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PEDAL INTERLOCK LINKAGE Removal and
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Revised June 96 HYDROSTATIC SYSTEM
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TROUBLESHOOTING Chart The following
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FRONT PANEL Removal and Installatio
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STEERING LEVERS Disassembly and Ass
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STEERING LEVERS (Cont’d) Pre-Adju
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STEERING LEVERS (Cont’d) Adjustin
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STEERING LEVERS (Cont’d) Adjustin
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HYDROSTATIC MOTOR Removal and Insta
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HYDROSTATIC MOTOR (Cont’d) Disass
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HYDROSTATIC MOTOR (Cont’d) Assemb
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HYDROSTATIC MOTOR (Cont’d) 853, 8
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HYDROSTATIC PUMP Removal and Instal
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HYDROSTATIC PUMP (Cont’d) Repleni
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HYDROSTATIC PUMP (Cont’d) Parts I
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HYDROSTATIC PUMP (Cont’d) Parts I
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HYDROSTATIC PUMP (Cont’d) Hydraul
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HYDROSTATIC PUMP (Cont’d) Charge
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HYDROSTATIC PUMP (Cont’d) Disasse
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HYDROSTATIC PUMP (Cont’d) Inspect
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HYDROSTATIC PUMP (Cont’d) Assembl
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HYDROSTATIC PUMP (Cont’d) Hydraul
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HYDROSTATIC PUMP (Cont’d) Hydrost
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DRIVE BELT Adjusting the Drive Belt
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DRIVE BELT TENSIONER PULLEY Removal
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DRIVE BELT TENSIONER PULLEY (Cont
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Page 191 and 192:
OIL COOLER Removal and Installation
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DRIVE SYSTEM Page Number AXLE SEAL
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DRIVE SYSTEM PARKING BRAKE PEDAL Re
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PARKING BRAKE DISC Removal and Inst
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FRONT CHAINCASE COVER Removal and I
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AXLE SEAL (Cont’d) Removal and In
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AXLE, BEARINGS AND SPROCKET (Cont
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AXLE, BEARING AND SPROCKET (Cont’
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REDUCTION GEARCASE (Cont’d) Remov
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REDUCTION GEARCASE (Cont’d) Disas
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REDUCTION GEARCASE (Cont’d) Disas
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REDUCTION GEARCASE (Cont’d) Assem
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REDUCTION GEARCASE (Cont’d) Assem
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DRIVE CHAIN 853, 853H BICS Service
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MAIN FRAME Page Number BOB-TACH Bob
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MAIN FRAME SEAT BAR Removal and Ins
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SEAT BAR (Cont’d) Removal and Ins
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OPERATOR CAB GAS CYLINDER Removal a
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OPERATOR CAB Removal and Installati
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OPERATOR SEAT Removal and Installat
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BOB-TACH (Cont’d) Removal and Ins
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BOB-TACH (Cont’d) Bob-Tach Lever
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REAR GRILL Removal and Installation
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REAR DOOR (Cont’d) Hood Removal a
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FUEL TANK (Cont’d) Removal and In
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ELECTRICAL SYSTEM Page Number ALTER
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WIRE LEGEND NO.'s COLOR GAUGE PARTS
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WIRE LEGEND NO.'s COLOR GAUGE 12 Or
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ELECTRICAL SYSTEM TROUBLESHOOTING C
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BATTERY Removal and Installation Ba
Page 282 and 283: ALTERNATOR (Cont’d) Alternator Re
Page 284 and 285: ALTERNATOR (Cont’d) Disassembly a
Page 286 and 287: ALTERNATOR (Cont’d) Assembly Reve
Page 288 and 289: STARTER (Cont’d) Checking the Sta
Page 290 and 291: STARTER (Cont’d) Disassembly and
Page 292 and 293: STARTER (Cont’d) Cleaning and Ins
Page 294 and 295: FRONT LIGHTS Removal and Installati
Page 296 and 297: ENGINE SERVICE Page Number AIR CLEA
Page 298 and 299: ENGINE SERVICE TROUBLESHOOTING Char
Page 300 and 301: RADIATOR Removal and Installation O
Page 302 and 303: COOLANT RECOVERY TANK Removal and I
Page 304 and 305: AIR CLEANER HOUSING Removal and Ins
Page 306 and 307: BLOWER HOUSING/FAN GEARBOX (Cont’
Page 308 and 309: BLOWER FAN Removal and Installation
Page 310 and 311: FAN GEARBOX (Cont’d) Disassembly
Page 316 and 317: FAN GEARBOX (Cont’d) Assembly (Co
Page 318 and 319: FAN GEARBOX (Cont’d) Assembly (Co
Page 320 and 321: FAN GEARBOX (Cont’d) 853, 853H BI
Page 322 and 323: FAN GEARBOX (Cont’d) Checking Bac
Page 324 and 325: ENGINE (Cont’d) Removal and Insta
Page 330 and 331: ENGINE (Cont’d) Engine Mount Repl
Page 334 and 335: GLOW PLUGS Removal and Installation
Page 336 and 337: FUEL INJECTION PUMP (Cont’d) Remo
Page 338 and 339: FUEL INJECTION PUMP (Cont’d) Remo
Page 340 and 341: FUEL INJECTION PUMP (Cont’d) Timi
Page 342 and 343: FUEL INJECTOR NOZZLES (Cont’d) Re
Page 344 and 345: CYLINDER HEAD Removal and Installat
Page 346 and 347: VALVES, VALVE SEAT AND GUIDE Remova
Page 348 and 349: VALVES, VALVE SEAT AND GUIDE (Cont
Page 350 and 351: PISTON AND CONNECTING ROD Removal R
Page 352 and 353: PISTON AND CONNECTING ROD (Cont’d
Page 354 and 355: PISTON AND CONNECTING ROD (Cont’d
Page 356 and 357: CYLINDER LINERS Checking the Cylind
Page 358 and 359: MAIN BEARINGS (Cont’d) Installati
Page 360 and 361: CRANKSHAFT Removal and Installation
Page 362 and 363: CRANKSHAFT GEAR Removal and Install
Page 364 and 365: TIMING GEARCASE COVER Removal and I
Page 366 and 367: IDLER GEAR AND HUB Removal Remove t
Page 368 and 369: FUEL INJECTION PUMP IDLER GEAR Remo
Page 370 and 371: TIMING GEARCASE 853, 853H BICS Serv
Page 372 and 373: CAMSHAFT (Cont’d) Camshaft Bearin
Page 374 and 375: OIL PAN Removal Remove the oil drai
Page 376 and 377: OIL PUMP (Cont’d) Checking (Cont
Page 378 and 379: WATER PUMP Removal and Installation
Page 380 and 381: WATER PUMP (Cont’d) Assembly (Con
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WATER JACKET TUBE Removal and Insta
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SYSTEMS ANALYSIS Page Number BICS S
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BOBCAT INTERLOCK CONTROL SYSTEM (BI
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BICS SYSTEM CONTROLLER (Cont’d) C
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SEAT BAR SENSOR (Cont’d) Seat Bar
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SEAT SENSOR (Cont’d) Seat Sensor
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LIFT LOCK BY-PASS VALVE Removal and
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TILT LOCK VALVE Removal and Install
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BOSS® DIAGNOSTIC TOOL Procedure Th
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SERVICE CODES (Cont’d) The follow
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TROUBLESHOOTING THE BOSS® & LCD DI
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BOSS® INSTRUMENT PANEL Removal and
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PWM MODULE (Cont’d) Description (
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PWM CONTROL HANDLE Handle Testing T
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SPECIFICATIONS Page Number DECIMAL
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LOADER SPECIFICATIONS LOADER DIMENS
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ENGINE SPECIFICATIONS All dimension
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ENGINE SPECIFICATIONS (Cont’d) Al
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TORQUE SPECIFICATIONS FOR LOADER Sp
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HYDRAULIC/HYDROSTATIC FLUID SPECIFI
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DECIMAL AND MILLIMETER EQUIVALENTS
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AFFECTING: Product BOBCAT LOADER Mo
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AFFECTING: Product BOBCAT LOADER Mo
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TAKE OUT PUT IN 853 BICS - OPERATOR
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