Bobcat 442 excavator, repair e-manual
About the manual
Engine type: disel
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Excavator prevention information
- Information for a trip to the service station, if self-repair is not possible
About the manual
Engine type: disel
In the manual you will find
- Step-by-step guide to repair various components and assemblies
- Self-care and maintenance instructions
- Excavator prevention information
- Information for a trip to the service station, if self-repair is not possible
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