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Volvo Excavator EC27C Service Repair Manual
Format: PDFTotal Size: 85.46 MB
Language: English
Brand: Volvo
Machine Type: Excavator
Model: EC27C
Manual Type:
- Service Repair Manual
- Electrical Wiring Diagram
- Hydraulic Diagram
Number of Pages:
- 4801 Pages
1 Volvo EC27C
Description
Accumulator, description
Air cleaner, description
Antitheft device, first activation of a new A-ECU
Auto idling device, description
Balancing valve on offset cylinder
Cable and component marking explanations
Cable harnesses, description Wiring harness, Engine
Cable harnesses, description Wiring harness, Hydraulics1
Cable harnesses, description Wiring harness, Hydraulics2
Cable harnesses, description Wiring loom, cab platform1
Cable harnesses, description Wiring loom, cab platform2
Cable harnesses, description Wiring loom, frame 2
Cable harnesses, description Wiring loom, frame1
Cables, description
Camshaft, description
Checking electrical cabling and connectors
Cleaning prior to repair
Cleanliness, braking and hydraulic system
Cold start device, description
Collection of basic data
Component locations
Control levers, description
Coolant
Cooling system, description
Counterweight, 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 filter water separator, 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 control unit, H-ECU, functions check
Hydraulic cylinders, dieseling
Hydraulic oil cooler, description
Hydraulic oil, description
Hydraulic oil, storage and handling
Infrared Thermometer
Injection pump, description
Injectors, description
Instrument panel, description
Instrument panel, operation
Lubricants, specifications
Lubrication system, description
Main control valve, description1
Main control valve, description2
Measuring components
Oil pump, description
Option anti-theft, instruction
Pistons, description
Pressure adjustment and leaks checking
Product plate, description
Proportional valve, right left selector
Pump, troubleshooting
Repairing hydraulic system
Resistance measurement
Schematic
Service and maintenance
Servo valve, description
Shuttle valve, swing brake
Six way valve, offset optional equipment
Slew motor, break release valve1
Slew motor, break release valve2
Slew motor, description1
Slew motor, description2
Starting engine with booster cables
Swivel joint, description
Timing gear, description
Towing, measures
Track motor, troubleshooting
Transporting and lifting the machine
Travel motor, description
Troubleshooting tips
Troubleshooting, assistant devices
Troubleshooting, general
Undercarriage, description
Valve cover, description and operation
Valve mechanism, description
Vehicle control unit V-ECU, description
Vehicle ECU functions, check
Welding on the machine
Diagrams
Hydraulic diagram 1 Attachment bracket X2 hydraulic pump
Hydraulic diagram 2 Bucket cylinder
Hydraulic diagram 3 Arm cylinder line break protection
Hydraulic diagram 4 Dozer blade cylinder
Hydraulic diagram 5 Right track motor
Hydraulic diagram 6 Left track motor
Hydraulic diagram 7 Swivel motor
Hydraulic diagram 8 Boom cylinder line break protection overload warning
Hydraulic diagram 9 Grapple X1 X2 offset boom
Hydraulic diagram 10 Precontrol circuit
Hydraulic diagram, complete1 Figure1
Hydraulic diagram, complete1
Hydraulic diagram, complete2 Figure 1
Hydraulic diagram, complete2
Hydraulic diagram, control pattern selector valve
Hydraulic diagram, swing system
Hydraulic diagram, travel
Wiring Diagram 1 Alternator - battery - control block lever - starter - engine preheater1
Wiring Diagram 1 Engine part Battery supply - pre-heating and cranking circuit
Wiring Diagram 2 Automatic speed control - engine shutdown - fuel indicator - fuel feed pump
Wiring Diagram 2 Engine part Fuel supply
Wiring Diagram 3 Attachment bracket - overload warning - switch arm extension extra equipment
Wiring Diagram 3 Hydraulic system
Wiring Diagram 4 Hydraulic system
Wiring Diagram 4 X1 - proportional switch (right) - selector switch right left - hose breakage protection - flow quantity controller
Wiring Diagram 5 Hydraulic system
Wiring Diagram 5 X2 – 2. Driving speed
Wiring Diagram 6 Work light - marker lights
Wiring Diagram 6 Working lights
Wiring Diagram 7 Overload warning - power socket - horn - travel alarm - seat belt
Wiring Diagram 7 Safety and signal equipment
Wiring Diagram 8 Cab and accessory
Wiring Diagram 8 Radio - antenna - speaker - windscreen cleaner - cab lighting
Wiring Diagram 9 AC system - cab heating
Wiring Diagram 9 Cab and accessory
Wiring Diagram 10 Electronic
Wiring Diagram 10 Instrument panel
Wiring Diagram 11 Anti theft care track
Wiring Diagram 11 Immobilizer
Wiring diagram, general
Installation Instruction
2nd auxiliary, optional arm length, installing new
2nd auxiliary, standard arm, installing new
Additional tank line (optional dipper length), installing new
Additional tank line, installing new
Anti-Theft-Device
CareTrack, installing new
Control pattern (SAE, ISO or X-pattern), change
FOG (Falling Object Guard), installing new1
FOG (Falling Object Guard), installing new2
Hose rupture valve, installing new1
Hose rupture valve, installing new2
Manual quick attachment, installing new
Protecting screen, installing new
Quick attachment, double acting, long arm, installing new
Quick attachment, double acting, short arm, installing new
Quick attachment, single acting, long arm, installing new
Quick attachment, single acting, short arm, installing new
Quick fit on dipper arm, installing new
Rotating Beacon
Travel alarm
Work light on mono boom, installing new
X1 Flow adjustment potentiometer, installing new
Repair
Air cleaner primary filter, change
Air cleaner secondary filter, change
Air cleaner, installing
Air cleaner, removing
Alternator, installing
Alternator, removing
Automatic idling device, installing
Automatic idling device, removing
Batteries, replacing
Battery condition, check
Battery condition, check1
Boom cylinder, installation
Boom cylinder, removal1
Boom cylinder, removal2
Boom, installation
Boom, removal1
Boom, removal2
Bottom roller, installing
Bottom roller, removing
Bucket cylinder, installation
Bucket cylinder, removal1
Bucket cylinder, removal2
Cab platform, installation1
Cab platform, installation2
Cab platform, removal1
Cab platform, removal2
Cab platform, removal3
Cab, installing
Cab, main filter, replacing
Cab, removing
Cab, roof panel, installing
Cab, roof panel, removing
Check the static brake torque
Compensator valve, replacing1
Compensator valve, replacing2
Component list Alternator, batteries, capacitors, electronic units, voltage outlet
Component list Control lights warning lights
Component list Fuses
Component list Relays1
Component list Relays2
Component list Solenoid valves
Component list Switches
Component list, Heating coils
Component list, Lights
Component list, Motors
Component list, Sensors1
Component list, Sensors2
Component list, Sounders
Component location, motors and coils
Component location, solenoid valve1
Component location, solenoid valve2
Component locations, acoustic signal emitter
Component locations, fuses
Component locations, lighting
Component locations, relays
Component locations, sensors1
Component locations, sensors2
Component locations, switches1
Component locations, switches2
Component locations1
Component locations2
Compression test
Control lever, installation
Control lever, removal1
Control lever, removal2
Control levers, maintenance standard
Control levers, repairing
Coolant pump, installing
Coolant pump, removing
Coolant, change
Coolant, changing
Coolant, level, check
Counterweight, fitting
Counterweight, removing
Crankcase breather system, inspect
Crankshaft, replacing front oil seal
Creeping of hydraulic cylinder
Cylinder speed
Deviation when travelling straight ahead
Dipper arm cylinder, installation
Dipper arm cylinder, removal1
Dipper arm cylinder, removal2
Dipper arm, installation
Dipper arm, removal1
Dipper arm, removal2
Directional valve, dozer blade, disassembling spool and replacing seals1
Directional valve, dozer blade, disassembling spool and replacing seals2
Directional valve, drive, disassembling spool and replacing seals1
Directional valve, drive, disassembling spool and replacing seals2
Directional valve, hydraulically operated, disassembling spool and replacing seals1
Directional valve, hydraulically operated, disassembling spool and replacing seals2
Dust valve, clean
Electrical distribution box, circuit board replacing
Engine hood, changing gas spring
Engine radiator and hydraulic oil cooler, check (clean when necessary)
Engine, changing oil and filter
Engine, installing
Engine, oil level, check
Engine, 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, changing1
Flow regulation valve, changing2
FR pressure control valve, checking and adjusting1
FR pressure control valve, checking and adjusting2
Front idler, installing
Front idler, removing
Fuel and fuel return hoses, replace
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
Gear motor, exploded view
Glow plug, installation
Glow plug, removal
H-ECU (hydraulic), replacing pre-Programd ECU
H-ECU (hydraulic), replacing pre-Programd ECU1
Horn, replacing
Hoses for boom-, dipper-, and bucketcylinder, replace
Hoses on boom for X1, X2, X3, replace
Hydraulic oil cooler, installing
Hydraulic oil cooler, removing
Hydraulic oil filter, changing
Hydraulic oil level, check
Hydraulic oil tank, changing oil
Hydraulic pressure, check
Hydraulic pump, checking and adjusting standby pressure
Hydraulic pump, power control adjusting
Hydraulic pump, power control checking
Hydraulic pump, suction hose and pressure hose, replace
Idling speed, checking and adjusting
Injection pump, removing
Injection timing, checking
Instrument console, installing
Instrument console, removing
Lamp bulb, replacing
Load check valve, replacing1
Load check valve, replacing2
Loose and loss of bolts, check
LS (load sense) pressure, checking1
LS (load sense) pressure, checking2
LS-pressure relief valve, replacing1
LS-pressure relief valve, replacing2
Lubrication and service schedules
Lubrication, see lubrication chart
Main Control Valve - Assembly1
Main Control Valve - Assembly2
Main Control Valve - Disassembly1
Main Control Valve - Disassembly2
Main control valve troubleshooting
Main control valve, installation1
Main control valve, installation2
Main control valve, removal1
Main control valve, removal2
Main control valve, removal3
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
Oil pump, replacing
Operator's seat, installing
Operator's seat, removing
Port relief valve pressure, checking and adjusting1
Port relief valve pressure, checking and adjusting2
Pump, installation
Pump, removal
Quick coupler lock mechanism, replace
Radiator, installing
Radiator, removing
Rubber track, installing
Rubber track, removing
Seat belt, replace
Seat retention cable, replacement
Seat safety belt, replacing
Secondary pressure limiting valve, replacing1
Secondary pressure limiting valve, replacing2
Service history (included in the respective Operator's manual), fill in.
Service position 2
Service position 3
Service positions
Servo accumulator, installation1
Servo accumulator, installation2
Servo accumulator, removal1
Servo accumulator, removal2
Servo pressure, checking and adjusting
Servo valve, installation
Servo valve, removal1
Servo valve, removal2
Silencer, installing
Silencer, removing
Slew motor, troubleshooting
Sprocket, installation
Sprocket, removal
Starter motor, installing
Starter motor, removing
Swing motor removed, overhaul
Swing motor, installing1
Swing motor, installing2
Swing motor, removing1
Swing motor, removing2
Swing motor, removing3
Swing motor, replacing counterbalance valve
Swing speed
Test-run and check
The machine, check for external damages, cracks and wear damages
Thermostat, replacing
Top roller, installation
Top roller, removal
Track gearbox oil level, check
Track motor, installing
Track motor, removing
Track running speed
Track tension, adjusting
Track tension, checking1
Track tension, checking2
Travel gear, dismantling
Travel motor gearbox, changing oil1
Travel motor gearbox, changing oil2
Travel motor, assembly
Travel motor, exploded view
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
Valves, adjusting
V-ECU, replacing
Warranty inspection 100 hours
Warranty inspection 1000 hours
Water separator filter element, change
Water separator, drain
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 air conditioning refrigerant
Safety when working with batteries
Starting with booster batteries
Waste handling
Working in environmentally contaminated areas
Working on the electrical system of the machine
Service Bulletins
Air conditioning unit
Battery maintenance guideline for long term stock machines
Bonnet latch cracks
Boom offset function, time cycle
Boom offset function
Cab door vibration (especially with steel track option)
Capilarity leakage at the hose crimpings
Dipper arm welding improvement
Fuel cap seal improvement
Fuel level gauge indicator
Fuel sampling, method
Fuel tank leakage
Maintenance of Stored Machines
New cabin plastic roof
New dashboard
New engine hood hinges
New hydraulic pump pressure hose
New product
New starter switch
New TechTool VCADS Pro interface
Pilot valve coil
Platform cracks
Portable refillable O-ring kits
Product improvements
Pump companion
Reporting of product misuse & near-miss report
Rotating beacon improvement
Seal between cab and platform
Starter switch change
Top roller, installation torque
Transport of machines equipped with roof on the cab
Travel alarm
Volvo Product incident accident report & Interview Form
X1 function information
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
Air conditioning unit, specifications
Alternator, specifications
Alternator, specifications1
Battery, specifications
Boom lifting cylinder, specifications
Bucket cylinder, specifications
Cab, tightening torques
Cab, weight
Control valve, torque value
Conversion tables
Cooling system, specification
Cooling system, specification1
Counterweight, specifications
Dimensions
Dipper arm cylinder, specifications
Dozer blade cylinder, specifications
Engine, capacities
Engine, capacities1
Engine, specifications
Engine, specifications1
Engine, tighten torques
Engine, tighten torques1
Frame and track unit, specifications
Frame, tightening torque
Fuel feed pump, specifications
Fuel feed pump, specifications1
Fuel system, general specifications
Fuel tank, volume
Fuel tank, volume1
Hydraulic control unit, H-ECU, inputs and outputs
Hydraulic control unit, H-ECU, inputs and outputs1
Hydraulic control unit, H-ECU, value list
Hydraulic control unit, H-ECU, value list1
Hydraulic system, specification
Hydraulic system, tightening torques
Hydraulic tank, specifications
Injectors, specification
Injectors, specification1
Instrument panel, specifications
Instrument panel, specifications1
Lifting capacities
Light bulbs, specification
Light bulbs, specification1
Lubrication system, specifications
Lubrication system, specifications1
Preheating, specifications
Preheating, specifications1
Pump, specifications1
Pump, specifications2
Slew motor, specifications1
Slew motor, specifications2
Slew motor, tightening torques
Standard tightening torques
Starter motor, specification
Starter motor, specification1
Track motor, specifications
Track motor, specifications1
Track motor, tightening torques
Track motor, tightening torques1
Valve mechanism, specifications
Valve mechanism, specifications1
V-ECU, I-O list
V-ECU, value list1
V-ECU, value list2
VOLVO standard tightening torques
Weight
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