(S/N: 514711001 & Above) – (S/N: 514911001 & Above)
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This workshop repair service manual PDF download for the 751 Bobcat Skid-Steer Loader has been prepared as an aid to improve the quality of repairs by giving the serviceman an accurate understanding of the product and by showing him the correct way to perform repairs and make judgements. Make sure you understand the contents of this manual and use it to fully at every opportunity.
APPLICABLE MODELS :
Bobcat Loader 751 BICS
(S/N: 514711001 & Above)
(S/N: 514911001 & Above)
TABLE OF CONTENTS :
FOREWORD
SAFETY INSTRUCTIONS
SERIAL NUMBER LOCATIONS
DELIVERY REPORT
BOBCAT LOADER IDENTIFICATION
PREVENTIVE MAINTENANCE
HYDRAULIC SYSTEM
HYDROSTATIC SYSTEM
DRIVE SYSTEM
MAIN FRAME
ELECTRICAL SYSTEM
ENGINE SERVICE
SYSTEMS ANALYSIS
SPECIFICATIONS
SERVICE MANUAL REVISIONS
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
P/N : 6724925 (5–97)
Total Pages : 438
This Manual PDF Download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same manual your local dealer will use when doing a repair. This is a must for the Do-It-Yourselfer! Saving Yourself $$$$$$ In Service Repair And Maintenance Costs !!!!
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MAINTENANCE SAFETY
ALPHABETICAL INDEX
CONTENTS
FOREWORD
SAFETY INSTRUCTIONS
SERIAL NUMBER LOCATIONS
LOADER SERIAL NUMBER
ENGINE SERIAL NUMBER
DELIVERY REPORT
BOBCAT LOADER IDENTIFICATION
PREVENTIVE MAINTENANCE
SERVICE SCHEDULE
LIFTING AND BLOCKING THE LOADER
Procedure
TRANSPORTING THE LOADER
Procedure
TOWING THE LOADER
Procedure
STOPPING THE BOBCAT LOADER
LIFTING THE LOADER
Four Point Lift
Single Point Lift
LIFT ARM SUPPORT DEVICE
Engaging The Lift Arm Support Device
Disengaging The Lift Arm Support Device
OPERATOR CAB
Description
Raising The Operator Cab
Lowering The Operator Cab
Emergency Exit
SEAT BAR RESTRAINT SYSTEM
Description (Foot Pedals)
Seat Bar Inspection (Foot Pedals)
Seat Bar Maintenance (Foot Pedals)
Description (Hand Controls)
Seat Bar Inspection (Hand Controls)
Seat Bar Maintenance (Hand Controls)
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 the Cooling System
Checking the Coolant Level
Replacing The Coolant
Propylene Glycol
ALTERNATOR BELT
Adjusting The Alternator Belt
BOB–TACH
FAN GEARBOX
Checking And Maintaining
HYDRAULIC/HYDROSTATIC SYSTEM
Checking And Adding Fluid
Replacing Hydraulic/Hydrostatic Filter
Replacing Hydraulic Fluid
Hydraulic Reservoir Breather Cap
SPARK ARRESTOR MUFFLER
Cleaning Procedure
TIRE MAINTENANCE
Wheel Nuts
Tire Rotation
Tire Mounting
FINAL DRIVE TRANSMISSION (CHAINCASE)
Checking and Adding Oil
Removing Oil From the Chaincase
DRIVE BELT
Adjusting The Drive Belt Equipped With The Fixed Drive Idler
Adjusting The Drive Belt Equipped With The Spring Loaded Drive Ider
Drive Belt Replacement
LUBRICATION OF THE BOBCAT LOADER
Procedure
PIVOT PINS
REMOTE START SWITCH
Procedure
HYDRAULIC SYSTEM
HYDRAULIC / HYDROSTATIC SCHEMATICS
TROUBLESHOOTING
HYDRAULIC SYSTEM INFORMATION
Flare Connections
O–ring Face Seal Connection
Straight Thread O–ring Fitting
Tubelines And Hoses
LIFT CYLINDER(S)
Checking The Lift Cylinder(s) For Internal Leakage
Removal And Installation
TILT CYLINDER
Checking The Tilt Cylinder For Internal Leakage
Removal And Installation
Rod End Seal Replacement
HYDRAULIC CYLINDER IDENTIFICATION
Lift Cylinder Components
Tilt Cylinder Components
HYDRAULIC CYLINDERS
Disassembly
Assembly
BICS™ VALVE (S/N 514713000 & Above, S/N 514911453 & Above)
Removal
Lift Arm By–Pass Orifice
Disassembly
Check Valve
Disassembly
Lock Valve
Disassembly
BICS™ Valve Solenoid
Disassembly
Assembly
Lock Valve
Assembly
Check Valve
Assembly
Lift Arm By–Pass Orifice
Assembly
Installation
CONTROL VALVE (S/N 514713000 & Above, S/N 514911453 & Above)
Removal And Installation
Identification Chart
Disassembly
Lift Base End Restrictor Disassembly
Load Check Valve Disassembly
Main Relief Valve Disassembly
Port Relief Valve Disassembly
Anti–Cavitation Disassembly
Rubber Boot Disassembly
Lift Spool And Detent Disassembly
Tilt Spool And Centering Spring Disassembly
Auxiliary Spool Disassembly
Auxiliary Electric Solenoid Disassembly
Port–Auxiliary Section Disassembly
Cleaning and Inspection
Port–Auxiliary Section Assembly
Auxiliary Electric Solenoid Assembly
Auxiliary Spool Assembly
Tilt Spool And Centering Spring Assembly
Lift Spool And Detent Assembly
Rubber Boot Assembly
Anti–Cavitation/Port Relief Valve Assembly
Port Relief Valve Assembly
Main Relief Valve Assembly
Load Check Valve Assembly
Spool Seal Installation
CONTROL VALVE (S/N 514712999 & Below, S/N 514911452 & Below)
Removal And Installation
Checking The Main Relief Valve
Main Relief Valve Adjustment
Main Relief Valve Removal and Installation
Identification Chart
Disassembly And Assembly
Load Check Valve
Main Relief Valve
Port Relief Valve
Anti–Cavitation Valve
Rubber Boot
Lift Spool Detent
Tilt Centering Spring
Auxiliary Spool
Auxiliary Electric Solenoid
Inspection
Identification And Installation Of Spool Seal
HYDRAULIC PUMP
Removal And Installation
Checking The Output Of The Hydraulic Pump
Disassembly And Assembly
Inspection
Identification
HYDRAULIC FILTER HOUSING
Removal And Installation
HYDRAULIC FLUID RESERVOIR
Removal And Installation
CONTROL PEDALS
Removal And Installation
Pedal Adjustment
PEDAL INTERLOCK LINKAGE
Removal And Installation
Adjustment
HYDROSTATIC SYSTEM
TROUBLESHOOTING
Chart
HYDROSTATIC SYSTEM INFORMATION
Replenishing Valve Function
Checking Charge Pressure
CONTROL PANEL
Rubber Boot Replacement
Removal and Installation
Steering Shaft Removal and Installation
Steering Shaft Disassembly and Assembly
Steering Lever Removal and Installation
STEERING LINKAGE
Removal and Installation
Steering Linkage Adjustment
Steering Neutral Adjustment
HYDROSTATIC DRIVE MOTOR
Removal And Installation
Identification
Disassembly And Assembly
Inspection
HYDROSTATIC PUMP
Removal And Installation
Identification
Disassembly And Assembly
Inspection
Swashplate Pre–Load
DRIVE BELT HOUSING
Removal And Installation
SPRING LOADED DRIVE BELT TENSIONER PULLEY
Removal And Installation
Identification
Disassembly
Assembly
FIXED DRIVE BELT TENSIONER PULLEY
Removal And Installation
Identification
Disassembly
Assembly
Checking Pulley End Play
OIL COOLER
Removal and Installation
DRIVE SYSTEM
PARKING BRAKE
Removal And Installation
Disassembly And Assembly
PARKING BRAKE DISC
Removal And Installation
TRACTION LOCK GUIDES
Disassembly
Assembly
CHAINCASE FLUID
Removing Oil From The Chaincase
CHAINCASE COVERS
Center Chaincase Cover Removal And Installation
Front Chaincase Cover Removal And Installation
Rear Chaincase Cover Removal And Installation
MOTOR CARRIER
Shaft Seal Replacement
Removal And Installation
Disassembly
Assembly
AXLE SEAL
Removal and Installation
AXLE, SPROCKET AND BEARINGS
Removal And Installation
DRIVE CHAIN
Removal And Installation
MAIN FRAME
SEAT BAR (W/GAS CYLINDER)
Removal And Installation
Assembly
Compressing The Gas Cylinder
SEAT BAR (W/COMPRESSION SPRINGS)
Removal And Installation
Assembling Components
Compression Spring Disassembly And Assembly
OPERATOR CAB GAS CYLINDER
Removal And Installation
Disassembly And Assembly
OPERATOR CAB
Removal And Installation
OPERATOR SEAT
Removal And Installation
BOB–TACH
Removal And Installation
Bob–Tach Lever And Wedge
Bob–Tach Stops
LIFT ARMS
Removal And Installation
REAR GRILL
Removal And Installation
FUEL TANK
Removal And Installation
Fuel Level Sender
REAR DOOR
Removal And Installation
Hood Removal And Installation
Bumper Removal And Installation
Door Latch Removal And Installation
Door Latch And Catch Adjustment
ELECTRICAL SYSTEM
ELECTRICAL SCHEMATICS
TROUBLESHOOTING
Chart
ELECTRICAL SYSTEM INFORMATION
Description
Fuse Location
BATTERY
Removal And Installation
Servicing The Battery
Using A Booster Battery (Jump Starting)
ALTERNATOR
Alternator Output Test
Rectifier (Diode) Test
Alternator Regulator Test
Removal And Installation
Adjusting The Alternator Belt
Disassembly And Inspection
Stator Continuity Test
Stator Ground Test
Rotor Continuity Test
Rotor Ground Test
Rectifier Continuity (Diode) Test
Assembly
STARTER
Removal And Installation (228000–5210)
Removal And Installation (228000–5740)
Parts Identification (228000-5210)
Disassembly (228000-5210)
Inspection And Repair (228000-5210)
No Load Test (228000-5210)
Assembly (228000-5210)
Parts Identification (228000-5740)
Disassembly (228000–5740)
Inspection And Repair (228000–5740)
No Load Test (228000–5740)
Assembly (228000–5740)
STANDARD INSTRUMENT PANEL
Removal And Installation
FRONT LIGHTS
Removal And Installation
RELAY SWITCHES
Location
Glow Plug Preheat Relay
Glow System In Operator Cab
Troubleshooting The Glow Plug System
Testing The Glow Plug Timer Relay
ENGINE SERVICE
TROUBLESHOOTING
Chart
ENGINE SPEED CONTROL
Removal And Installation
Disassembly
RADIATOR
Removal And Installation
ENGINE MUFFLER
Removal And Installation
BLOWER HOUSING/FAN GEARBOX
Removal And Installation
Tension Pulley Removal And Installation
Blower Fan Disassembly And Assembly
FAN GEARBOX
Disassembly
Long Housing
Short Housing
Assembly
Long Housing
Short Housing
Checking Backlash
Identification
AIR CLEANER
Removal And Installation
ENGINE
Removal And Installation
Engine Mount Replacement
FLYWHEEL
Removal And Installation
Flywheel Ring Gear
INJECTION PUMP TIMING
Checking Procedure
Adjusting Injection Pump Timing
Injection Pump Return Fitting
Testing The Fuel Solenoid
Idle Speed Setting
TIMING BELT
Removal
Installation
FUEL INJECTION PUMP
Removal
Installation
FUEL INJECTOR NOZZLE
Removal And Installation
Checking The Injector Nozzle
CYLINDER LOCATION & COMPRESSION
Data
GLOW PLUGS
Removal And Installation
Checking The Glow Plugs
CYLINDER HEAD
Removing The Cylinder Head
Disassembly Of The Cylinder Head
Removing The Combustion Chamber
Removing The Heat Shield
Installing The Heat Shield
Servicing The Cylinder Head
Checking The Valves
Checking The Valve Springs
Checking The Valve Guides
Checking The Valve Seats
Checking The Combustion Chamber
Reassembly Of The Cylinder Head
Installing The Cylinder Head
ENGINE BLOCK
Disassembly Of The Engine
Assembly Of The Engine
PISTONS AND CONNECTING RODS
Disassembly And Assembly
Checking The Piston
Checking The Crankshaft
CRANKSHAFT PULLEY
Removal And Installation
POSITIVE CRANKCASE VENTILATION VALVE
Removal
Installation
PEUGEOT ENGINE TOOL KIT MEL1474 (Complete Kit)
PEUGEOT ENGINE
Chart
SYSTEMS ANALYSIS
BOBCAT INTERLOCK CONTROL SYSTEM (BICS™)
Inspecting The BICS Controller (Engine STOPPED –Key ON)
Inspecting DeactivationOf The Auxiliary Hydraulics System (Engine STOPPED–Key ON)
Inspecting The Seat And Seat Bar Sensors (EngineRUNNING)
Inspecting The Traction Lock (Engine RUNNING)
Inspecting The Lift Arm By–Pass Control
Maintenance
Troubleshooting Chart
Troubleshoot Guide
BICS CONTROLLER
TRACTION LOCK
SEAT SENSOR
SEAT BAR SENSOR
LIFT LOCK BY–PASS VALVE
BICS™ SYSTEM CONTROLLER
Removal And Installation
Controller Test
SEAT BAR SENSOR
Removal And Installation
Seat Bar Sensor Test
SEAT SENSOR
Removal And Installation
Seat Sensor Test
TRACTION LOCK
Removal And Installation
LIFT LOCK BY–PASS VALVE
Removal And Installation (S/N 514712999 & Below,S/N 514911452 & Below)
Disassembly and Assembly (S/N 514712999 & Below, S/N 514911452 & Below)
Removal And Installation (S/N 514713000 & Above, S/N 514911453 & Above)
Disassembly And Assembly (S/N 514713000 & Above, S/N 514911453 & Above)
TILT LOCK VALVE
Removal And Installation (S/N 514712999 & Below, S/N 514911452 & Below)
Disassembly And Assembly (S/N 514712999 & Below, S/N 514911452 & Below)
SPECIFICATIONS
SKID STEER LOADER SPECIFICATIONS
PERFORMANCE
CONTROLS
ENGINE
HYDRAULIC SYSTEM
ELECTRICAL
DRIVE SYSTEM
CAPACITIES
TIRES
FLOOR PRESSURE
VIBRATION DATA
ENGINE SPECIFICATIONS
Fuel Injection Nozzles
Fuel Injection Pump
Cylinder Head
Valves
Valve Springs
Valve Guides
Combustion Chamber
Cylinders
Piston Rings
Pistons
Connecting Rod
Crankshaft
TORQUE SPECIFICATIONS FOR LOADER
Specifications
HYDRAULIC/HYDROSTATIC FLUID SPECIFICATIONS
Specifications
STANDARD TORQUE SPECIFICATIONS FOR BOLTS
DECIMAL AND MILLIMETER EQUIVALENTS
U.S. TO METRIC CONVERSION
SERVICE MANUAL REVISIONS
751-001
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Bobcat 751 Skid-Steer Loader Repair Service Manual – 6724925.pdf
Source : Sitelux.com
