Bobcat 873 Skid Steer Loader Service Manual
602 pages · Publication 6900382_7_10
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- Models
- 873
- Serial coverage
- (SN 514115001 & above), (SN 514213001 & above)
- Manual type
- Service Manual
- Pages
- 602
- Publication
- 6900382_7_10
- Condition
- Brand new
What's inside
From the manual's own table of contents: 23 sections, 554 entries. See sample pages (PDF, 448 KB)
MAINTENANCE SAFETY
ALPHABETICAL INDEX
FOREWORD7 topics
- SAFETY INSTRUCTIONS
- SERIAL NUMBER LOCATIONS
- LOADER SERIAL NUMBER
- ENGINE SERIAL NUMBER
- DELIVERY REPORT
- BOBCAT LOADER IDENTIFICATION
- OPTIONS AND ACCESSORIES
PREVENTIVE MAINTENANCE
SERVICE SCHEDULE55 topics
- LIFTING AND BLOCKING THE LOADER
- Procedure
- TRANSPORTING THE LOADER
- Procedure
- TOWING THE LOADER
- Procedure
- STOPPING THE BOBCAT LOADER
- Procedure
- LIFT ARM SUPPORT DEVICE
- To Install The Lift Arm Support Device
- To Remove The Lift Arm Support Device
- OPERATOR CAB
- Raising The Operator Cab
- Lowering The Operator Cab
- Emergency Exit
- SEAT BAR RESTRAINT SYSTEM (FOOT PEDALS)
- Seat Bar Inspection
- Seat Bar Maintenance
- SEAT BAR RESTRAINT SYSTEM (MECHANICAL HAND CONTROLS)
- Seat Bar Inspection
- Seat Bar Maintenance
- SEAT BAR RESTRAINT SYSTEM (ADVANCED HAND CONTROLS)
- Inspecting The Seat Bar
- Maintaining The Seat Bar
- AIR CLEANER SERVICE
- Replacing Filter Element
- FUEL SYSTEM
- Fuel Specifications
- Filling The Fuel Tank
- Fuel Filter
- Removing Air From The Fuel System
- ENGINE LUBRICATION SYSTEM
- Checking Engine Oil
- Replacing Oil And Filter
- ENGINE COOLING SYSTEM
- Cleaning Cooling System
- ALTERNATOR BELT
- Adjusting The Alternator Belt
- HYDRAULIC/HYDROSTATIC SYSTEM
- Checking And Adding Fluid
- Hydraulic/Hydrostatic Filter Replacement
- Replacing Hydraulic Fluid
- Later Model loaders
- TIRE MAINTENANCE
- Wheel Nuts
- Tire Rotation
- Tire Mounting
- FINAL DRIVE TRANSMISSION (CHAINCASE)
- Checking And Adding Oil
- FAN GEARBOX
- Checking And Maintaining
- LUBRICATING THE LOADER
- Procedure
- REMOTE START SWITCH
- Procedure
HYDRAULIC SYSTEM
HYDRAULIC / HYDROSTATIC SCHEMATICS98 topics
- GLOSSARY OF HYDRAULIC / HYDROSTATIC SYMBOLS
- TROUBLESHOOTING
- HYDRAULIC SYSTEM INFORMATION
- Tighten Procedures
- LIFT CYLINDER(S)
- Checking The Lift Cylinder(s)
- Removal And Installation
- TILT CYLINDER(S)
- Checking The Tilt Cylinder(s)
- Removal And Installation
- HYDRAULIC CYLINDER
- Lift Cylinder Identification
- Tilt Cylinder Identification
- Disassembly
- Assembly
- MAIN RELIEF VALVE
- Checking The Main Relief Valve With Auxiliaries
- Checking The Main Relief Valve Without Auxiliaries
- Removal and Installation
- Adjustment
- Removal And Installation
- Lift Arm By–Pass Orifice
- Check Valve
- Lock Valve
- BICS™ Valve Solenoid
- Removal and Installation
- Identification Chart
- Disassembly and Assembly
- Load Check Valve
- Lift Base End Restrictor
- Main Relief Valve
- Port Relief Valve
- Anti–Cavitation/Port Relief Valve
- Rubber Boot
- Lift Spool and Detent
- Auxiliary Spool
- Auxiliary Electric Solenoid
- H Port – Auxiliary Section
- Inspection
- Spool Seal Installation
- Removal And Installation
- Identification Chart
- Disassembly And Assembly
- Load Check Valve
- Main Relief Valve
- Port Relief Valve
- Anti–Cavitation Valve
- Rubber Boot
- Lift Spool And Detent
- Tilt Spool And Centering Spring
- Auxiliary Spool
- Auxiliary Electric Solenoid
- H Port – Auxiliary Section
- Base End Restrictor
- Inspection
- Spool Seal Installation
- HYDRAULIC PUMP (Double Gear)
- Checking The Output Of The Pump
- Removal And Installation
- Parts Identification
- Disassembly
- Inspection
- Assembly
- HYDRAULIC PUMP (Single Gear)
- Checking The Output Of The Pump
- Removal And Installation
- Parts Identification
- Disassembly
- Inspection
- Assembly
- HYDRAULIC FLUID RESERVOIR
- Draining The Fluid Reservoir
- Removal And Installation
- Hydraulic Fluid Screen Removal And Installation
- Removal and Installation
- Disassembly and Assembly
- Removal And Installation
- Disassembly And Assembly
- Removal And Installation
- Disassembly And Assembly
- HYDRAULIC/HYDROSTATIC FILTER HOUSING
- Removal And Installation
- HYDROSTATIC FILTER HOUSING
- Removal And Installation
- HYDRAULIC/HYDROSTATIC FILTER HOUSING BRACKET
- Removal And Installation
- CONTROL PEDALS
- Removal And Installation
- Pedal Adjustment
- PEDAL INTERLOCK LINKAGE
- Adjustment
- FRONT SIDE PANEL
- Removal And Installation
- REAR AUXILIARY DIVERTER
- Disassembly
- Inspection
- Solenoid Testing
- Assembly
HYDROSTATIC SYSTEM
TROUBLESHOOTING52 topics
- HYDROSTATIC SYSTEM INFORMATION
- Replenishing Valve Function
- FRONT PANEL
- Removal And Installation
- Disassembly And Assembly
- Removal And Installation
- Steering Linkage Adjustment
- Removal And Installation
- Disassembly And Assembly
- Removal And Installation
- Steering Linkage Adjustment
- Removal And Installation
- Parts Identification
- Disassembly
- Inspection
- Assembly
- Removal and Installation
- Parts Identification
- Disassembly
- Inspection
- Assembly
- MOTOR CARRIER
- Removal and Installation
- Parts Identification
- Disassembly
- Assembly
- HYDROSTATIC PUMP
- Removal And Installation
- Parts Identification (Right Half)
- Parts Identification (Left Half)
- Replenishing/High Pressure Relief Valve
- Charge Pressure Relief Valve
- Hydraulic Pump Removal
- Hydraulic Pump Separation
- Charge Pump Disassembly
- Disassembly
- Assembly
- Replenishing/High Pressure Relief Valve
- Parts Identification
- Disassembly
- Inspection
- Assembly
- DRIVE BELT SHIELD
- Removal And Installation
- DRIVE BELT
- Adjusting The Drive Belt
- Replacing The Drive Belt
- DRIVE BELT TENSIONER PULLEY
- Removal And Installation
- Tension Spring
- OIL COOLER
- Removal And Installation
DRIVE SYSTEM
PARKING BRAKE PEDAL16 topics
- Removal And Installation
- Disassembly And Assembly
- BRAKE DISC
- Removal And Installation
- FRONT CHAINCASE COVER
- Removal and Installation
- AXLE SEAL
- Removal and Installation
- Later Model Loaders
- AXLE, SPROCKET AND BEARINGS
- Removal and Installation
- Later Model Loaders
- DRIVE CHAIN
- Removal And Installation
- CHAINCASE FLUID
- Removing The Fluid From The Chaincase
MAIN FRAME
SEAT BAR34 topics
- Removal And Installation
- Assembling Components
- Compression Spring Disassembly And Assembly
- OPERATOR CAB GAS CYLINDER
- Removal And Installation
- Disassembly And Assembly
- Removal And Installation
- OPERATOR SEAT
- Removal And Installation
- BOB–TACH
- Removal And Installation
- Bob–Tach Lever And Wedge
- Pivot Pin Bushing And Seal Replacement
- Bob–Tach Stop
- Removal And Installation
- LIFT ARM LINK
- Removal And Installation
- LIFT ARMS
- Removal And Installation
- REAR GRILL
- Removal And Installation
- REAR DOOR (ONE PIECE)
- Removal And Installation
- Door Latch and Catch Adjustment
- REAR DOOR
- Removal And Installation
- Hood Removal And Installation
- Bumper Removal And Installation
- Door Latch Removal And Installation
- Door Latch And Catch Adjustment
- FUEL TANK
- Removal And Installation
- Fuel Level Sender
- Inlet Screen
ELECTRICAL SYSTEM
ELECTRICAL SCHEMATICS32 topics
- ELECTRICAL SYSTEM INFORMATION
- Description
- Fuse Location
- BATTERY
- Removal And Installation
- Servicing the Electrical System
- Using A Booster Battery (Jump Starting)
- ALTERNATOR
- Alternator Output Test
- Alternator Regulator Test
- Removal And Installation
- Disassembly
- Stator Continuity Test
- Stator Ground Test
- Rotor Continuity Test
- Rotor Ground Test
- Rectifier Continuity (Diode) Test
- Assembly
- STARTER
- Removal And Installation
- Parts Identification
- Disassembly And Assembly
- External Pinion
- Inspection And Repair
- Magnetic Switch Test
- No Load Test
- STANDARD INSTRUMENT PANEL
- Removal And Installation
- FRONT LIGHTS
- Removal And Installation
- RELAY SWITCHES
- Location
ENGINE SERVICE96 topics
- ENGINE SPEED CONTROL
- Removal And Installation
- Speed Control Cable
- Speed Control Linkage
- ENGINE MUFFLER
- Removal And Installation
- AIR CLEANER HOUSING
- Removal And Installation
- BLOWER HOUSING/FAN GEARBOX
- Removal And Installation
- FAN DRIVE TENSION PULLEY
- Removal And Installation
- BLOWER FAN
- Removal And Installation
- Parts Identification
- Disassembly
- Assembly
- Long Housing
- Checking Backlash
- Removal And Installation
- ENGINE/HYDROSTATIC PUMP ASSEMBLY
- Removal And Installation
- ENGINE MOUNTS
- Replacement
- ENGINE
- Removal And Installation
- FLYWHEEL
- Removal And Installation
- Flywheel Ring Gear
- FLYWHEEL HOUSING
- Removal And Installation
- GLOW PLUG
- Checking The Glow Plug
- VALVE CLEARANCE
- Adjustment
- FUEL INJECTION PUMP
- Description
- Removal
- Injection Pump Timing
- Installation
- FUEL INJECTOR
- Removal And Installation
- Checking
- Disassembly
- Assembly
- TIMING BELT
- Inspection
- Removal
- Installation
- Belt Replacement In Loader
- VALVE TIMING
- Checking
- DEUTZ ENGINE TOOLS
- Identification Chart
- RECONDITIONING THE ENGINE
- Disassembly
- Assembly
- CYLINDER LINERS
- Checking The Cylinder Liners
- CAMSHAFT BEARINGS
- Checking
- Removal And Installation
- CONTROL ROD GUIDE BUSHING
- Removal
- Installation
- REAR COVER SEAL
- Removal And Installation
- CRANKSHAFT
- Checking The Crankshaft
- CONNECTING ROD
- Checking The Connecting Rod
- PISTON AND PISTON PIN
- Checking The Piston
- Checking Piston Pin
- Installing Piston Rings
- CYLINDER HEAD
- Disassembly
- Checking The Valves
- Checking Valve Seats
- Valve Spring
- Assembly
- ROCKER ARM AND BRACKET
- Checking
- Disassembly
- Assembly
- TURBOCHARGER
- Removal And Installation
- Disassembly
- Inspection
- Assembly
- POSITIVE CRANKCASE VENTILATION SYSTEM (S/N 514115365 & Below; 514213009 & Below)
- Description
- Inspection
- Module Removal And Installation
- CRANKSHAFT GEAR MOUNTING BOLT
- Torque Procedure
SYSTEMS ANALYSIS
BOBCAT INTERLOCK CONTROL SYSTEM (BICS™)42 topics
- Inspecting The BICS™ Controller (Engine STOPPED– Key ON)
- Inspecting The BICS™ System Controller (Engine STOPPED – Key ON)
- TROUBLESHOOTING GUIDE
- BICS SYSTEM CONTROLLER
- SEAT SENSOR
- Seat Sensor Test
- Removal And Installation
- BICS™ Controller Seat Sensor Circuit Test
- BICS™ SYSTEM CONTROLLER
- Removal And Installation
- SEAT BAR SENSOR
- Seat Bar Sensor Test
- Removal And Installation
- BICS™ Controller Seat Bar Sensor Circuit Test
- TRACTION LOCK
- Removal And Installation
- BOSS® DIAGNOSTIC TOOL
- Procedure
- SENDER AND SENSOR
- Service Checks
- Components
- RPM SENSOR
- Adjustment
- MONITOR SERVICE CODES
- TROUBLESHOOTING THE BOSS® & LCD DISPLAY
- OPERATION SENSING SYSTEM UNIT
- BOSS® INSTRUMENT PANEL
- Removal And Installation
- PWM MODULE
- Description
- PWM TROUBLESHOOTING
- Conditions
- Chart
- PWM CONTROL HANDLE
- Handle Testing
- PWM ELECTRIC SOLENOID
- Solenoid Coil Testing
- TRACTION LOCK CONTROL SYSTEM
- Inspecting The Traction Lock Control System
- Description
- ELECTRICAL/HYDRAULIC CONTROLS REFERENCE
- Controls Identification Chart
SPECIFICATIONS
LOADER SPECIFICATIONS42 topics
- Performance
- Controls
- Engine
- Hydraulic System
- Electrical
- Drive System
- Capacities
- Tires
- ENGINE SPECIFICATIONS (BF4M1011)
- General
- Fuel System
- Valve and Valve Guide and Seat Insert
- Piston and Rings
- Connecting Rod
- Cylinder Head and Block
- Crankshaft and Main Bearings
- Camshaft and Bearings
- Oil Pump
- ENGINE SPECIFICATIONS (BF4M1011F)
- General
- Fuel System
- Valve and Valve Guide and Seat Insert
- Piston and Rings
- Connecting Rod
- Crankshaft and Main Bearings
- Camshaft and Bearings
- Oil Pump
- ENGINE TORQUE
- TORQUE SPECIFICATIONS FOR LOADER
- TORQUE SPECIFICATIONS FOR BOLTS
- Torque for General SAE Bolts
- Torque For General Metric Bolts
- HYDRAULIC CONNECTION SPECIFICATIONS
- O–Ring Face Seal Connection
- Straight Thread O–Ring Fitting
- Tubelines And Hoses
- Flare Fitting
- O–Ring Flare Fitting
- Port Seal Fitting
- HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
- DECIMAL AND MILLIMETER EQUIVALENTS
- U.S. TO METRIC CONVERSION
ADVANCE HAND CONTROL SYSTEM (A.H.C)
ADVANCED HAND CONTROL ELECTRICAL SCHEMATICS57 topics
- A.H.C. COMPONENTS
- Identification
- TROUBLESHOOTING (A.H.C.)
- Chart
- ACTUATOR VOLTAGE TEST
- Procedure
- HANDLE CONTROL UNIT TEST
- Procedure
- Troubleshooting Chart
- SEAT SENSOR OVERRIDE ONLY
- ADVANCED HAND CONTROLS (AHC)
- A.H.C./PWM CONTROLLER
- Removal and Installation
- Description
- Conditions
- Troubleshooting Chart
- Handle Testing
- Solenoid Coil Testing
- HANDLE CONTROL UNIT
- Removal And Installation
- Control Unit Connector
- SWITCH HANDLE
- Removal And Installation
- A. H. C. HANDLE
- Removal And Installation
- Disassembly And Assembly
- A.H.C. STEERING LEVER
- Removal And Installation
- Steering Lever Boot
- ACTUATORS
- Removal And Installation
- Disassembly And Assembly
- Mounting Plate
- BICS™ VALVE
- Lift Arm By–Pass Orifice
- Check Valve
- Lock Valve
- BICS™ Valve Solenoid
- Removal And Installation
- HYDRAULIC CONTROL VALVE
- Removal And Installation
- Identification Chart
- Disassembly And Assembly
- Load Check Valve
- Lift Base End Restrictor
- Main Relief Valve
- Port Relief Valve (Lift)
- Anti–Cavitation/Port Relief Valve
- Port Relief Valve (Tilt)
- Anti–Cavitation Valve
- Rubber Boot
- Lift And Tilt Spool
- Inspection
- Auxiliary Spool
- Auxiliary Electrical Solenoid
- Spool Seal Installation
- H–Port Auxiliary Section
SERVICE MANUAL REVISIONS
Inside this manual
Real pages from this service manual (602 pages). Open the sample pages (PDF, 447 KB)
- Specifications, page 387: ENGINE/HYDROSTATIC PUMP ASSEMBLY (Cont’d)
- Troubleshooting, page 486: System
- Diagram, page 558: AHC/PWM CONTROLLER (Cont’d)
- Foldout diagram (color), page 59
Other manuals for this machine
Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 873 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.
This manual: Service Manual 6900382_7_10$69.87
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This is a service manual
Here's how it compares to the other manual types.
This manual
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 602 pages
Quantity one is the manual described above.
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Other editions and similar models
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