Contents

Foreword

Safety and maintenance

• Air cleaner
• Air conditioning compressor belt
• Alternator belt
• Cab tilt procedure
• Cooling system
• Engine lubrication system
• Fan / fuel pump belt
• Fresh air filter
• Fuel system
• Hydraulic system
• Lifting and blocking the excavator
• Lifting the excavator
• Lubrication of the excavator
• Operator cab
• Right side cover
• Transporting the excavator
• Travel motor

Hydraulic system

• Accumulator
• Blade valve
• Blade float valve
• Auxiliary hydraulic flow control / hydraulic breaker application valve
• Arm cylinder
• Boom cylinder
• Boom offset valve
• Boom load holding valve
• Bucket cylinder
• Dump valve
• Hydraulic breaker application valve
• Hydraulic filter mount
• Hydraulic gear pump
• Hydraulic piston pump
• Hydraulic piston pump drive coupler
• Hydraulic reservoir
• Hydraulic system information
• Joystick control pattern selector valve
• Joystick lockout / two speed valve
• Left control lever (joystick)
• Oil temperature regulator
• Port relief valves
• Pressure reducing valve
• Relief valves
• Right control lever (joystick)
• Secondary front auxiliary valve
• Six spool hydraulic control valve
• Swing brake release valve
• Swing brake valve
• Swing motor
• Swing motor drive carrier
• Swivel joint
• Three spool hydraulic control valve
• Travel lever / foot pedal valve
• Travel motor

Undercarriage

• Blade
• Grease cylinder
• Lower track roller
• Track damage identification
• Track frame
• Track idler
• Tracks
• Upper track roller

Upperstructure and swing section

• Arm
• Boom
• Bucket
• Cab
• Control levers
• Counterweight
• Engine speed control
• Floor mat
• Fuel tank
• Horn
• Left console
• Rear cover
• Right console
• Right side cover
• Seat and seat mount
• Swing frame
• Upperstructure

Electrical system and analysis

• Alternator
• Battery
• Battery disconnect switch
• Electrical system information
• Front cab light
• Fuel level sender
• Instrument panel
• Starter
• Two speed switch
• Wiper motor

Engine service

• Air cleaner
• Engine
• Engine components and testing
• Flywheel
• Muffler
• Radiator / oil cooler
• Reconditioning the engine

Heating, ventilation, air conditioning

• Conditioning service
• Air conditioning system flow
• Basic troubleshooting
• Components
• Compressor
• Condensor
• Evaporator / heater unit
• Expansion valve
• General air conditioning service guidelines
• Heater / AC fan
• Heater coil / evaporator
• Heater valve
• Pressure switch
• Receiver / dryer
• Regular maintenance
• System charging and reclamation
• System troubleshooting chart
• Temperature / pressure
• Thermostat
• Upgraded air conditioning system

Specifications

• Conversions
• Engine bolt torque
• Engine specifications
• Excavator bolt torque
• Fuel, coolant and lubricants
• Hydraulic excavator specifications
• Hydraulic fluid specifications
• Torque specifications for bolts