Volvo EC20C Excavator Service Repair Manual PDF
Size: 76.60 MB
Language: English
Make: Volvo
Machine: Excavator
Document: Service Repair Manual, Electrical Diagram, Hydraulic Diagram
Model: Volvo EC20C
Description
Volvo EC20C Excavator Service Repair Manual PDF
Size: 76.60 MB
Language: English
Make: Volvo
Machine: Excavator
Document: Service Repair Manual, Electrical Diagram, Hydraulic Diagram
Model: Volvo EC20C
Page: 4451 Pages
Detail Contents:
1 Volvo EC15C,EC17C,EC18C,EC20C
Description
- Accumulator, description
Air cleaner, description
Antitheft device, first activation of a new A-ECU
Cable and component marking explanations
Cable harnesses, description Ground and battery cable
Cable harnesses, description Starter cables
Cable harnesses, description Wiring loom, cab platform
Cables, description
Camshaft, description
Center passage, description
Checking electrical cabling and connectors
Cleaning prior to repair
Cleanliness, braking and hydraulic system
Collection of basic data
Component location, alternator, batteries, capacitors, electronic units, voltage outlet
Component location, diodes
Component location, fuses
Component location, heating coils, instruments, service-sockets
Component location, lights
Component location, motors
Component location, PWM valves
Component location, relays
Component location, sensors
Component location, solenoid valves
Component location, sounders
Component location, switches
Component locations
Control levers, description
Coolant
Cooling system, description
Crankshaft, description
Cylinder block, description
Cylinder head, description
DC current measurement
DC voltage measurement
Description, general
Diode check procedure
Electrical symbols and designation
Electrical system, special instructions for servicing, action when working on machine
Electrical system, special instructions for servicing, electrical components, batteries
Electrical system, special instructions for servicing, electronic components
Electrical system, special instructions for servicing, general
Engine, description
Fuel feed pump, description
Fuel system, description
Fuel tank, description
Fuel, recommendation
Fuse, description
General notes to be observe when working on power transmission assemblies
General notes when working on hydraulic system
Hydraulic components, storage and transport
Hydraulic cylinders, dieseling
Hydraulic oil cooler, description
Hydraulic oil, description
Hydraulic oil, storage and handling
Infrared Thermometer
Injection pump, description
Injectors, description
Lubricants, specifications
Lubrication system, description
Main control valve, description
Measuring components
Oil pump, description
Option anti-theft, instruction
Pistons, description
Pressure adjustment and leaks checking
Product plate, description
Proportional valve, offset optional equipment
Repairing hydraulic system
Resistance measurement
Service and maintenance
Shuttle valve, swing brake
Six way valve, offset optional equipment
Slew motor, description
Starting engine with booster cables
Superstructure covering, description
Swing motor removed, overhaul
Timing gear, description
Towing, measures
Travel motor, description
Troubleshooting chart
Troubleshooting tips
Troubleshooting, assistant devices
Troubleshooting, general
Undercarriage, description
Valve cover, description and operation
Valve mechanism, description
Welding on the machine
Diagrams
- Hydraulic diagram 1 Main control valve, inlet element – hydraulic oil tank – leakage oil filter
Hydraulic diagram 2 Swing motor
Hydraulic diagram 3 Left track motor
Hydraulic diagram 4 Right track motor
Hydraulic diagram 5 Arm extension cylinder
Hydraulic diagram 6 Dozer blade cylinder – Chassis width adjustment cylinder
Hydraulic diagram 7 Bucket cylinder
Hydraulic diagram 8 Extra equipment
Hydraulic diagram 9 Arm cylinder – ladder breakage protector
Hydraulic diagram 10 Extension cylinder – ladder breakage protector
Hydraulic diagram 11 Main control valve outlet element – electric proportional valve
Hydraulic diagram 12 Joystick right
Hydraulic diagram 13 Joystick left
Hydraulic diagram 14 Travel control (foot pedals)
Hydraulic diagram, complete Figure 1
Hydraulic diagram, complete
Wiring diagram 1 Alternator – battery – control block lever – starter – engine preheater
Wiring diagram 2 Engine shutdown – engine oil pressure switch – temperature sensor – fuel level display – fuel feed pump
Wiring diagram 3 Hydraulic function – driving speed – switch arm extension attachment – width-adjustable chassis – max. flow – joystick right
Wiring diagram 4 Work lights – beacon – horn – power socket 1
Wiring diagram 5 Cab lighting – windshield cleaner – power socket 2 – cassette CD radio – loudspeaker – cab ventilation
Wiring diagram 6 Immobilizer
Wiring diagram 7 Care Track
Wiring diagram 8 Immobiliser – Care Track
Wiring diagram 9 Canopy – working lights – beacon
Installation Instruction
- Anti theft device, installing new
CareTrack with anti theft device, installing new
CareTrack, installing new
FOG (Falling Object Guard), installing new1
FOG (Falling Object Guard), installing new2
Hammer shear selection valve, installing new
Hose rupture valve, installing new
Protecting screen, installing new
Radio, installing new
Rotating beacon, installing new
Work light on mono boom, installing new
Repair
- A-ECU (anti theft), replacing
Air cleaner primary filter, change
Air cleaner secondary filter, change
Air cleaner, installing
Air cleaner, removing
Alternator, installing
Alternator, removing
Anti-cavitation check valve, replacing
Batteries, replacing
Battery condition, check
Battery condition, check1
Boom cylinder, installation
Boom cylinder, removal
Boom, installation
Boom, removal
Bottom roller, installing
Bottom roller, removing
Bucket cylinder, installation
Bucket cylinder, removal
Cab platform, installation
Cab platform, removal
Cab, installing
Cab, main filter, replacing
Cab, removing
Centre passage, installing
Centre passage, removing
Chain guide, installing
Chain guide, removing
Component list Alternator, batteries, capacitors, electronic units, voltage outlet
Component list Diodes
Component list Fuses
Component list Heating coils, instruments, service socket
Component list Lights
Component list PWM valves
Component list Relays
Component list Solenoid valves
Component list Switches
Component list, Motors
Component list, Sensors
Component list, Sounders
Compression test
Control lever, installation1
Control lever, installation2
Control lever, removal1
Control lever, removal2
Control levers, maintenance standard
Control levers, repairing
Coolant pump, replacing
Coolant, change
Coolant, level, check
Crankcase breather system, inspect
Creeping of hydraulic cylinder
Cylinder head, fitting
Cylinder head, removing
Cylinder head, replacing gasket
Cylinder speed
Deviation when travelling straight ahead
Dipper arm cylinder, installation
Dipper arm cylinder, removal
Dipper arm, installation
Dipper arm, removal
Dust valve, clean
Electrical distribution box, circuit board replacing
Engine hood, replacing
Engine radiator and hydraulic oil cooler, check (clean when necessary)
Engine radiator, oil cooler and condensor (if installed), clean
Engine, changing oil and filter
Engine, installing
Engine, oil level, check
Engine, removing
Expansion tank, installing
Expansion tank, removing
Fan belt and or alternator belt, checking and adjusting tension
Fan belt and or alternator belt, checking and adjusting tension1
Fan belt and or alternator belt, replacing
Flow regulation valve, changing
Flushing valve, replacing
Front idler, installing
Front idler, removing
Fuel and fuel return hoses, check and replace if necessary
Fuel filter, change
Fuel injectors, inspect clean and test
Fuel pump, installing
Fuel pump, removing
Fuel tank sediment, drain
Fuel tank, installing
Fuel tank, removing
Glow plug, installation
Glow plug, removal
H-ECU (hydraulic), replacing pre-Programd ECU
H-ECU (hydraulic), replacing pre-Programd ECU1
Horn, replacing
Hose on boom for X1, X2, X3, check and replace if neccessary
Hoses for boom-, dipper-, and bucket-cylinder, check and replace if necessary
Hydraulic oil cooler, installing
Hydraulic oil cooler, removing
Hydraulic oil filter, changing
Hydraulic oil level, check
Hydraulic pressure, check
Hydraulic pump, power control checking
Hydraulic system, changing oil.
Hydraulik pump, suction hose and pressure hose, check and replace if necessary
Idling speed, checking and adjusting
I-ECU, replacing
Injection pump, removing
Injection timing, checking
Injectors, replacing all
Lamp bulb, replacing
Loose and loss of bolts, check
LS (load sense) pressure, checking
LS-pressure relief valve, replacing
Lubrication and service schedules
Lubrication, see lubrication chart
Main Control Valve – Assembly
Main Control Valve – Disassembly
Main control valve, installation
Main control valve, removal
Maintenance service, daily
Maintenance service, every 50 hours
Maintenance service, every 250 hours
Maintenance service, every 500 hours
Maintenance service, every 1000 hours
Maintenance service, every 1500 hours
Maintenance service, every 2000 hours
Maintenance service, every 3000 hours
Measuring condition
Operator’s seat, installing
Operator’s seat, removing
Pump, installation
Pump, removal
Quick coupler lock mechanism, replace
Radiator hose upper, replacing
Radiator hoses lower, replacing
Radiator, installing
Radiator, removing
Rubber track, installing
Rubber track, removing
Seat belt, replace
Secondary pressure limiting valve, replacing
Service history (included in the respective Operator’s manual), fill in.
Servo accumulator, installation
Servo accumulator, removal
Servo pressure, checking and adjusting
Servo valve, installation
Servo valve, removal
Silencer, installing
Silencer, removing
Slew motor, troubleshooting
Sprocket, installation
Sprocket, removal
Starter motor, installing
Starter motor, removing
Stop magnet, replacing
Swing motor, installing
Swing motor, removing
Swing ring, installing
Swing ring, removing
Swing speed
Test-run and check
The machine, check for external damages, cracks and wear damages
Thermostat, replacing
Throttle control cable, installing
Throttle control cable, removing
Throttle controls, setting
Track gearbox oil level, check
Track motor, installing
Track motor, removing
Track running speed
Track tension, adjusting
Track tension, checking
Travel alarm, replacing
Travel motor gearbox, changing oil
Travel motor removed, overhaul
Travel Speed
Travel valve (pedal), installing
Travel valve (pedal), removing
Values, creeping of hydraulic cylinder
Values, cylinder speed
Values, deviation when travelling straight ahead
Values, slewing speed
Values, track running speed
Values, travel speed
Valve clearance, checking and adjusting
Valve cover, installing
Valve cover, removing
Valve covers, fitting new gasket
Valves, adjusting
Warranty inspection 100 hours
Warranty inspection 1000 hours
Water separator filter element, change
Water separator, drain
Windscreen wiper front, replacing motor
Working pressure, checking and adjusting
Safety
- CE marking and declaration of conformity
Checklist after a fire or heat exposure
Decontamination
Environmental handling for the future
Environmentally hazardous fluids
Environmentally safe handling
Fire prevention measures
Health hazards with paint, plastics and rubber
Pressure setting and leak detection
Safety concerns everybody!
Safety for work on hydraulic systems
Safety rules when servicing
Safety when handling oils and fuel
Safety when handling the machine
Safety when lifting and supporting the machine
Safety when working with batteries
Service position 1
Service position 2
Service position 3
Starting with booster batteries
Waste handling
Working in environmentally contaminated areas
Working on the electrical system of the machine
Service Bulletins
- Battery maintenance guideline for long term stock machines
Capilarity leakage at the hose crimpings
Fuel gauge
Fuel sampling, method
Identification plate support
Lateral play equipment
Maintenance of Stored Machines
New boom design
New dipper arm
New hydraulic fluid filter
New product
New starter switch
New TechTool VCADS Pro interface
Pivot play tolerance and instruction
Play on variable track
Portable refillable O-ring kits
Pump companion
Reporting of product misuse & near-miss report
Rotating beacon improvement
Secondary relief valve on bucket function
Volvo Product incident accident report & Interview Form
Special Tools, Misc
- Special tool catalog
Special Tools Recommendations
Time Guide Current generation
Time Guide Old generation
Time Guide Previous generation
Specifications
- Adjustable boom cylinder, specifications
Alternator, specifications
Alternator, specifications1
Battery, specifications
Boom lifting cylinder, specifications
Bucket cylinder, specifications
Cab, tightening torques
Cab, weight
Control valve, torque value1
Control valve, torque value2
Cooling system, specification
Counterweight, specifications
Dipper arm cylinder, specifications
Dozer blade cylinder, specifications1
Dozer blade cylinder, specifications2
Electrical system, tightening torques
Engine, capacities
Engine, specifications
Engine, tighten torques
Frame and track unit, specifications
Fuel feed pump, specifications
Fuel system, general specifications
Hydraulic system, specification
Hydraulic system, tightening torques
Hydraulic tank, specifications
Injectors, specification
Light bulbs, specification
Lubrication system, specifications
Pump, specifications
Slew motor, specifications
Slew motor, tightening torques
Track motor, specifications
Track motor, tightening torques
Travel alarm, specifications
Valve mechanism, specifications
VOLVO standard tightening torques