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STARTER (Cont’d) Cleaning and Inspection Use a brush and air pressure to clean the drive, field coils, armature and starter housing. NOTE: DO NOT use solvent to clean the drive assembly. The solvent will remove the lubricant and the drive will slip. Check the following items: Armature Broken or burned insulation Loose connections at commutator Open or grounded circuits [A] & [B] Worn shaft or bearings Rough commutator Brush Holders Broken springs Broken insulation Spring tension Field Coils Broken or burned insulation Electrical continuity Brush connections Drive Gears Worn teeth Tooth engagement A B A–01995 A–01994 853, 853H BICS Loader –6–17– Service Manual
STANDARD INSTRUMENT PANEL Removal and Installation Pry the rubber light mount loose from the operator cab (both sides) [A]. Lower the light from the operator cab and locate the three instrument panel mounting bolts (Item 1) [B] (both sides). Remove the three mounting bolts (Item 1) [B]. Installation: Be careful not to overtighten the instrument panel mounting bolts to prevent stripping the threaded holes in the panels. Pull the left instrument panel down and disconnect the wire harness connectors from the panel. Remove the panel [C]. Repeat steps [A] and [B]. Pull the right instrument panel down and disconnect the wire harness connectors from the panel. Remove the panel [D]. Reverse the removal procedure to install the instrument panel. –6–18– A B C D 1 1 P–03995 P–03955 P–03951 P–03953 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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Page 278 and 279: ELECTRICAL SYSTEM TROUBLESHOOTING C
Page 280 and 281: 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 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 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
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FUEL INJECTOR NOZZLES (Cont’d) Re
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CYLINDER HEAD Removal and Installat
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VALVES, VALVE SEAT AND GUIDE Remova
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VALVES, VALVE SEAT AND GUIDE (Cont
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PISTON AND CONNECTING ROD Removal R
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PISTON AND CONNECTING ROD (Cont’d
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PISTON AND CONNECTING ROD (Cont’d
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CYLINDER LINERS Checking the Cylind
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MAIN BEARINGS (Cont’d) Installati
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CRANKSHAFT Removal and Installation
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CRANKSHAFT GEAR Removal and Install
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TIMING GEARCASE COVER Removal and I
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IDLER GEAR AND HUB Removal Remove t
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FUEL INJECTION PUMP IDLER GEAR Remo
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TIMING GEARCASE 853, 853H BICS Serv
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CAMSHAFT (Cont’d) Camshaft Bearin
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OIL PAN Removal Remove the oil drai
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OIL PUMP (Cont’d) Checking (Cont
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WATER PUMP Removal and Installation
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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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