Bobcat 740, 741, 742, 743, 743DS Service Manual
Pages: 407
Large Color Diagrams
D-Slant Binder
Table of Contents:
Safety Instructions
Serial Number Locations
Delivery Report
Approved Use of 743 DS Bobcat Loader
Bobcat Loader Identification
Preventative Maintenance
Lift Arm Stop
Installation
Lifting and Blocking the Loader
Procedure
Operator Cab
Lowering the Operator Cab
Raising the Operator Cab
Seat Bar Description
Seat Bar Inspection
Seat Bar Maintenance
Service Schedule
Transporting the Bobcat Loader
Procedure
Remote Start Switch
Procedure
Using an Extra Battery (Jump Start)
Procedure
Hydraulic System
10 Micron Filter Bypass Valve
Removal and Installation
Hydraulic Control Pedals (S/N 14999 & below)
Adjustment
Removal and Installation
Hydraulic Control Pedals (S/N 15001 & above)
Adjustment
Removal and Installation
Hydraulic Control Valve
Checking the Relief Valve
Hydraulic Control Valve (Gresen)
Adjusting the Auxiliary Detent
Auxiliary Section
Disassembly and Assembly
Inlet Section
Lift Section
Main Relief Valve Removal and Installation
Removal and Installation
Tilt Section
Valve Spool Bolt
Hydraulic/Hydrostatic Reservoir
Checking and Adding Oil
Removal and Installation
Removing Hydraulic Oil
Hydraulic Information
Flare Connections
Straight Thread O-Ring Fitting
Tube Lines and Hoses
Hydraulic Pump (S/N 14999 & below)
Checking the Output of the Hydraulic Pump
Removal and Installation
Hydraulic Pump (S/N 15001 & above)
Hydraulic Pump Starting Procedure
Removal and Installation
Vane Pump Drive Shaft Removal and Checking
Lift Cylinder
Checking
Removal and Installation
Oil Cooler
Removal and Installation (741)
Removal and Installation (742 & 743)
Pedal Lock Linkage
Adjustment
Port Block (S/N 14999 & below)
40 Micron Filter (Bronze)
Cold Weather Bypass Valve
Neutral Bypass Valve
Removal and Installation
Port Block (S/N 15001 & above)
Case Drain Relief Valve
Cold Weather Bypass Valve
Removal and Installation
Tilt Cylinder
Checking
Removal and Installation
Troubleshooting
Chart
Hydrostatic System
Hydrostatic Motor
Removal
Hydrostatic Pump
Checking Charge Pressure
Checking the High Pressure Relief Replenishing Valve
Removal
Installation
Hydrostatic System Information
High Pressure Relief Replenishing Valves
Steering Levers
Removal and Installation
Repairing the Steering Levers
Steering Linkage
Adjustment
Removal and Installation
Repairing the Pintle Lever
Tow Valves
Troubleshooting
Drive System
Axle, Seals and Bearings
Installation
Removal
Chain Case Fluid
Replacing Chain Case Fluid
Final Drive Chain
Removal and Installation
Parking Brake
Adjustment
Block and Pucks
Removal and Installation
Reduction Gear Case
Checking Reduction Gear Case
Disassembly and Assembly
Installation
Reduction Gear Case Seal
Removal
Main Frame
Bob-Tach
Disassembly and Assembly
Removal and Installation
Tilt Cylinder Rod End Seal
Fuel Tank (S/N 19999 & below)
Removal and Installation
Fuel Tank (S/N 20001 & above)
Fuel Sender Switch
Removal and Installation
Lift Arms
Removal and Installation
Operator Cab (S/N 19999 & below)
Removal and Installation
Operator Cab (S/N 20001 & above)
Removal and Installation
Rear Door
Door Latch Adjustment
Removal and Installation
Electrical System
Alternator
Alternator Belt Adjustment (741)
Alternator Belt Adjustment (742)
Alternator Belt Adjustment (743)
Disassembly and Assembly
Removal and Installation
Melroe Alternator
Checking the Alternator Output
Checking the Alternator Regulator
Disassembly and Assembly
Removal and Installation
Battery
Checking the Battery
Removal and Installation
Electrical System
Description
Starter
Checking the Starter
Disassembly and Assembly
Removal and Installation
741
742
743
Replacing the Brushes
Troubleshooting
Engine Service
Duetz Engine (741)
Blower Fan
Disassembly and Assembly
Removal and Installation
Camshaft
Removal and Installation
Crankshaft
Crank Shaft Removal
Inspection
Assembly
Cylinder Head and Valves
Checking Piston Crown Clarence
Cylinder Head Installation
Disassembly and Assembly
Removal
Cylinders, Pistons and Connecting Rods
Disassembly and Assembly
Engine
Engine Removal
Engine Service
Engine Front Cover
Disassembly and Assembly
Removal
Installation
Engine Mounts
Replacing Engine Mounts
Engine Oil Cooler
Engine Shrouding
Flywheel
Removal and Installation
Ring Gear Removal and Installation
Fuel Injection Nozzles
Injector Disassembly and Assembly (in the Shop)
Removal and Installation
Fuel System
Fuel Delivery Adjustment
Fuel Filters
Fuel Injection Pump
Fuel Lift Pump
Fuel Water Trap
Fuel System Service
Venting Air from the Fuel System
Injection Pump Removal and Installation
Governor
Assembly and Installation
Removal and Disassembly
Muffler
Removal and Installation
Oil Pump, Filter Housing and Relief Valve
Oil Pump Removal and Installation
Oil Pressure Relief Valve
Starter
Removal and Installation
Troubleshooting
Universal Joint
Removal and Installation
Ford Engine (742)
Blower Housing
Removal
Camshaft
Cleaning and Checking the Camshaft
Camshaft and Valve Lifters
Installation
Removal
Camshaft Bearings
Removal
Carburetor Repair
Checks and Adjustments
Breaker Point Adjustment
Carburetor, Throttle and Governor Adjustments
Compression
Distributor Test
Test Connections
Dwell Angle Check
Governor Oil Level
Ignition System
Ignition System Test
Battery to Coil Volt Meter Test
Ignition Timing
Initial Ignition Timing
Oil Pressure
Spark Plug Test
Spark Plug Wires Resistance Test
Spark Strength Tests
Starting Ignition Circuit Volt Meter Test
Timing Marks Location
Valve Clearance
Connecting Rod Bearings
Installation
Removal
Connecting Rods
Checking the Connecting Rods
Cleaning the Connecting Rods
Crankshaft
Checking the Crankshaft
Installation
Removal
Crankshaft Rear Oil Seal
Installation
Removal
Cylinder Block
Checking the Cylinder
Cleaning the Cylinder Block
Finishing the Cylinder Walls
the Cylinder Front Cover, Timing Chain and Crankshaft Sprockets
Removal
Cylinder Heads
Checking the Cylinder Heads
Cleaning the Cylinder Heads
Installation
Removal
Engine Diagnosis and Testing
Camshaft End Play
Camshaft Lobe Lift
Crankshaft and Play
Flywheel Surface Alignment Check
Cylinder Head
Grinding the Valve Guides
Grinding Valves
Install Pistons
Installing Piston Rings
Installing the Piston Pins
Pushrods
Repairing Journals
Selecting Fitting of the Valves
to Check Crankshaft or Connection Rod Bearings with Plasticgage Valves
Valve Guides
Valve Rocker Arm and Shaft Assembly
Engine Removal
Engine Repair
Camshaft Repair
Crankshaft
Flywheel
Checking the Flywheel
Removal
Flywheel Ring Gear
Installation
Removal
Front Oil Seal
Installation
Removal
Intake Manifold
Installation
Removal
Main Bearings
Installation
Removal
Main Bearings and Connecting Rod Bearings
Checking Bearings
Cleaning Bearings
Muffler
Removal
Oil Pan
Installation
Removal
Oil Pump
Checking the Oil Pump
Cleaning the Oil Pump
Installation
Removal
Pistons and Connecting Rods
Installation
Removal
Pistons, Pins and Rings
Checking the Pistons, Pins and Rings
Cleaning the Pistons, Pins and Rings
Radiator
Installation
Removal
Starter
Installation
Removal
Tappets
Checking the Tappets
Cleaning the Tappets
Timing Chain Tightening
Installation
Removal
Troubleshooting
Chart
Universal Joint
Installation
Removal
Valve Pushrods
Installation
Removal
Valve Rocker Arm Cover and Rocker Arm Shaft
Installation
Removal and Disassembly
Valve Spring, Retainer and Stem Seal (with the Cylinder Head Installed)
Installation
Valve Spring, Retainer and Stem Seal (with the Cylinder Head Removed)
Installation
Removal
Water Pump
Installation of Timing Cover
Removal
Removing the Timing Cover
Kubota Engine (743)
Blower Housing
Removal and Installation
Cylinder Head
Assembly
Disassembly
Installation
Removal
Servicing
Valve Guide Installation
Engine
Installation
Removal
Engine Assembly
Crankshaft Installation
Gear Case Installation
Installing the Camshaft and Timing Gears
Installing the Pistons
Engine Flywheel and U-Joint
Removal and Installation
Engine Repair
Crankshaft Service
Cylinder Liner Service
Gearcase Removal
Lubrication System
Oil Pump Service
Piston and Crankshaft Removal
Servicing the Connecting Rods and Pistons
Timing Gear, Camshaft and Oil Pump Removal
Timing Gear and Camshaft Service
Water Pump Service
Flywheel Ring Gear
Fuel Filter
Removing Air from the Fuel System
Replacing the Fuel Filter
Fuel Injection Pump
Checking the Injection Pump
Removal and Installation
Timing the Injection Pump
Fuel Injector Nozzles
Checking the Nozzles
Removal and Installation
Glow Plugs
Checking
Muffler
Removal and Installation
Radiator and Oil Cooler
Removal and Installation
Troubleshooting
Mitsubishi (742)
Camshaft
Inspection
Removal and Installation
Carburetor
Adjustment
Description
Disassembly and Assembly
Governor Adjustment
Inspection
Removal and Installation
Crankshaft and Main Bearings
Checking
Checking Oil Clearance (Plastic Gauge)
Crankshaft End Play
Installation
Rear Oil Seal
Removal
Cylinder Head
Inspection
Removal and Installation
Cylinder Liners
Checking
Distributor
Checking Centrifugal Advance
Checking Vacuum Advance
Disassembly and Assembly
Point Gap Adjustment
Removal and Installation
Engine
Removal and Installation
Engine Belt Shield
Removal and Installation
Engine Compression
Checking
Engine Flywheel & U-Joint
Flywheel Ring Gear
Removal and Installation
Engine Muffler
Removal and Installation
Front Case and Oil Pan
Removal and Installation
Front Case Seal
Removal and Installation
Fuel Pump
Checking the Fuel Pump
Fuel Filter
Inspection
Removal and Installation
Governor
Adjusting the Governor
Governor Oil Level
Ignition Timing
Procedure
Oil Cooler and Blower Housing
Removal and Installation
Oil Pump
Inspection
Installation
Relief Valve
Removal
Piston and Connecting Rod
Assembly
Disassembly
Inspection
Installation
Removal
Piston Pin
Assembly of the Tool
Installation of the Piston Pin
Removal of the Piston Pin
Radiator
Removal and Installation
Rear Grill
Removal and Installation
Rocker Arms
Inspection
Installation
Removal
Thermostat
Inspection
Removal and Installation
Timing Belt
Adjustment
Assembly
Inspection
Removal
Troubleshooting
Chart
Valves
Installation
Reconditioning the Valve and Valve Seat
Removal
Valve Guides
Valve Seat Inserts
Valve Springs
Valve Clearance
Adjustment
Water Pump
Inspection
Removal and Installation
Specifications
(741 Deutz)
Engine Specifications
Camshaft, Crankshaft, Bearings
Cylinder Piston and Connecting Rod
Cylinder Head and Valves
Fuel System
Governor, Front Cover and Throttle
Lubrication System
Torque Specifications
Loader Specifications
Electrical
Engine
Fluid Capacities
Hydraulic Cylinders
Hydraulic Function Time
Loader Hydraulics
Operation and Performance
Tires
Weights
(742 Ford)
Engine Specifications
Camshaft
Connecting Rod
Crankshaft
Cylinder Heads
Cylinder Block
Engine Oil
Engine Torque
Fuel Specifications
Fuel System
Ignition System
Lubrication System
Piston
Piston Pin
Piston Rings
Starter
Valve Mechanism
Loader Specifications
Drive System
Electrical
Engine
Fluid Capacities
Hydraulic Cylinders
Hydraulic Function Time
Loader Hydraulics
Machine Weight
Operation and Performance
Tires
Weights
(743 Kubota)
Engine Specifications
Camshaft
Crankshaft
Cylinders
Cylinder Head
Engine Oil
Engine Bolt Torque
Fuel Injection Nozzles
Fuel Injection Pump
Pistons
Piston Rings
Oil Pump
Rocker Arms
Valves
Valve Springs
Loader Specifications
Drive System
Electrical
Engine
Fluid Capacities
Hydraulic Cylinders
Hydraulic Function Time
Loader Hydraulics
Machine Weight
Operation and Performance
Tires
(742 Mitsubishi)
Engine Specifications
Alternator
Camshaft
Carburetor
Connecting Rod
Crankshaft
Cylinder Block
Cylinder Head
Distributor
Engine Oil
Engine Bolt Torque
Flywheel
Fuel Pump
Piston
Piston Pin
Oil Pump
Rocker Arm and Shaft
Starter
Thermostat
Valve Guide
Valve Spring
Valve Train
Water Pump
Loader Specifications
Drive System
Electrical
Engine
Fluid Capacities
Hydraulic Cylinders
Operation and Performance
Tires
Technical Data
Decimal and Millimeter Equivalents
Chart
Hydraulic and Hydrostatic Fluid Specifications
Specifications
Standard Torque Specifications for Bolts
Chart
Torque for General Metric Bolts
Specifications
US to Metric Conversion
Charts
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