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PISTON AND CONNECTING ROD (Cont’d) Assembly Heat the piston to about 140°F (60°C) [A]. Assemble the piston and connecting rod [B]. Install the piston to the connecting rod. The piston head front mark (Item 1) [C] and the connecting rod ‘‘ISUZU’’ casting mark (Item 2) [C] must be facing the same direction. Install the piston pin. Install the snap rings [D]. A B C D 1 2 B–08251 C–02936 B–08252 B–08195 853, 853H BICS Loader –7–59– Service Manual
PISTON AND CONNECTING ROD (Cont’d) Assembly (Cont’d) Install the rings on the piston [A]. The face with the mark NPR or TOP must be turned up for the 1st and 2nd compression rings. Installation Using a ring compressor tool, compress the rings on the piston. Make sure the mark is to the front of the engine and install the piston in the block [B]. Put oil on the bearings. Install the bearing cap [C]. Tighten the nuts to 58–65 ft.–lbs. (78–88 Nm) torque [D]. Rotate the crankshaft to put the other pair of crank pins at bottom dead center. Repeat the procedure and install the other pair of pistons. –7–60– A B C D Marked Side Up 58–65 ft.–lbs. (78–88 Nm) 1st Comp. 2nd Comp. Oil B–08253 B–03337 B–03208 B–03325 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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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
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ALTERNATOR (Cont’d) Alternator Re
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ALTERNATOR (Cont’d) Disassembly a
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ALTERNATOR (Cont’d) Assembly Reve
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STARTER (Cont’d) Checking the Sta
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STARTER (Cont’d) Disassembly and
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STARTER (Cont’d) Cleaning and Ins
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FRONT LIGHTS Removal and Installati
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ENGINE SERVICE Page Number AIR CLEA
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ENGINE SERVICE TROUBLESHOOTING Char
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RADIATOR Removal and Installation O
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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 332 and 333: BELT SHIELD Removal and Installatio
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 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
Page 382 and 383: WATER JACKET TUBE Removal and Insta
Page 384 and 385: SYSTEMS ANALYSIS Page Number BICS S
Page 386 and 387: BOBCAT INTERLOCK CONTROL SYSTEM (BI
Page 394 and 395: BICS SYSTEM CONTROLLER (Cont’d) C
Page 396 and 397: SEAT BAR SENSOR (Cont’d) Seat Bar
Page 398 and 399: SEAT SENSOR (Cont’d) Seat Sensor
Page 400 and 401: LIFT LOCK BY-PASS VALVE Removal and
Page 402 and 403: 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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