Terex 820 / 860 / 880 / 970 / 980 / TX760B / TX860B / TX970B / TX980B excavator-loader, repair e-manual

Content

General information

• General information
• General safety

Accessories

• Standard loader bucket from a quick attach unit
• Multi purpose loader bucket from a quick attach unit
• Quick attach loader unit
• Quick attach loader unit hydraulic cylinder
• Hose burst valves
• Loader beam hydraulic cylinders burst valves
• Loader bucket crowd hydraulic cylinder burst valve
• Backhoe dipper arm cylinder burst valve
• Backhoe boom cylinder burst valve
• Specifications

Buckets

• Standard loader bucket
• Multi purpose loader bucket
• Multi purpose loader bucket clamping cylinder
• Specifications

Digger quick attach

• Quick attach backhoe bucket
• Backhoe quick attach unit
• Backhoe quick attach unit control valve
• Specifications

Digger boom and dipperstick

• Standard backhoe bucket
• Backhoe boom
• Backhoe dipper arm
• Boom swing tower
• Extendable dipper arm hydraulic cylinder
• General procedure
• Specifications

Digger swing system

• Mast casting
• Mast casting clamp seals
• Stabilizer leg (centremount)
• Stabilizer leg (centremount) cylinder
• Stabilizer leg (sideshift)
• Stabilizer leg hydraulic cylinder (sideshift)
• Dipper hydraulic cylinder
• Backhoe bucket hydraulic cylinder
• Boom hydraulic cylinder
• Slew hydraulic cylinder
• General procedure
• Specifications

Main hydraulics

• Hydraulic system diagram
• Diagnosing and testing - hydraulics/pressure testing
• Diagnosing and testing - hydraulic oil contamination
• Hydraulic oil reservoir
• Oil cooler
• Hydraulic pump
• Hydraulic pump
• Backhoe control valve bank
• Loader control valve
• Changeover valve
• Steering priority / unloader valve
• Ride control valve
• Servo control valve
• Servo control configuration changeover valve
• General procedure
• Specifications

Loader

• Front loader beam
• Loader beam hydraulic cylinder
• Front loader hydraulic crowd cylinder
• Loader bucket potentiometer
• Loader bucket hydraulic cylinder
• General procedure - anti rollback adjustment
• General procedure - return to dig adjustment
• Specifications - loader

Operators environment

• Cab
• Cab heater air ducting
• Cab heater motor
• Cab heater matrix
• Driver seat (all models)
• Cab door glazing panel
• Air conditioning evaporator
• Rear window open position latch
• Servo control joysyick
• Controls tilt pedal
• Hose removal and installation
• General procedure - air conditioning recovery and charging
• Specifications - operators environment

Electrics

• Diagnosing and testing -starting system
• Diagnosing and testing -charging system
• Diagnosing and testing - battery
• Battery (single)
• Battery (twin)
• Starter motor
• Starter motor solenoid
• Alternator
• Front wiper motor
• Rear wiper motor
• Indicator switch
• Forward / reverse switch
• General procedure - battery isolation
• General procedure - battery charging
• Specifications - electrics
• General electrical information
• Fuse and relay information
• Connector information
• Component locations
• Wiring diagrams - power supply
• Wiring diagrams - engine
• Wiring diagrams - transmission
• Wiring diagrams - differential lock
• Wiring diagrams - steering
• Wiring diagrams - console panels
• Wiring diagrams - lighting
• Wiring diagrams - warning functions
• Wiring diagrams - operators environment
• Wiring diagrams - hydraulic systems
• Wiring diagrams - servo lever control
• Connector locations

Chassis and bodywork

• Cab
• Cab heater air ducting
• Cab heater motor
• Cab heater matrix
• Driver seat (all models)
• Cab door glazing panel
• Air conditioning evaporator
• Rear window open position latch
• Servo control joysyick
• Controls tilt pedal
• Hose removal and installation
• General procedure - air conditioning recovery and charging
• Specifications - operators environment

Front axle and steer system

• Two-wheel drive front axle
• Steering cylinder group
• Wheel hub group
• Axle beam group
• Toe-in adjustment
• Epicyclic reduction gear group
• Wheel hub group
• Pinion group
• Draining and filling the front axle housing oil
• Differential support group
• Orbitrol steering motor

Wheels and tyres

• Wheels and tyres
• Front wheel
• Rear wheel
• Inner tube
• Tyre

Drivetrain and brakes

• Powershift transmission
• Forward low clutch
• 1st clutch
• Reverse clutch
• 2nd clutch
• Output shaft
• Disconnect shaft
• Charging pump drive shaft
• Input shaft
• Transmission control valve
• Hydraulic multiplate clutch four-wheel drive shaft
• Hydraulic braking system
• Master cylinder
• Brake fluid reservoir
• Parking brake caliper
• Differential lock solenoid valve
• Half shaft and brake group
• Epicyclic reduction gear group
• Carraro powershift transmission
• General procedure

Engine

• Radiator
• Fuel tank
• Air cleaner
• Exhaust pipe
• Exhaust silencer
• Throttle adjustment
• Draining, filling and bleeding the cooling system
• Specifications - engine

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