Bobcat 442 excavator, service e-manual

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

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