Overview
The Volvo EC650 Excavator Service Repair Manual provides a workshop reference for maintaining, diagnosing and repairing the documented machine systems. The contents bring together engine systems, power transmission, working and servo hydraulics, and electrical and instrument systems.
The technical index identifies working-hydraulics pumps, hydraulic tanks, filters and oil-cooling equipment, cooling-system components, engine lubrication, and swing brakes and locking components.
Table of Contents
Volvo EC650 Manual
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01. General
- Tool — E-tool, Net 00002 Disassembly tool
- Tool — E-tool, NET 00005 Guide pin for travel motor
- Tool — E-tool, NET 00011 Track andslew brake puller
- Miscellaneous — Service instruction; safety instruction — Hydraulic cylinders, dieseling
- Miscellaneous — Service instruction; safety instruction — Shrink joint, installation
- Miscellaneous — Service instruction; safety instruction — Welding on the machine
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid — Hydraulic oil, cleaning
- Lubricant; Fuel; Other Fluid — Hydraulic oil, specifications
- Lubricant; Fuel; Other Fluid — Oil and lubricant types
- Service — Maintenance
- Service — Emergency measures — Jump starting of machine, connection of cables
- Service — Miscellaneous — Vacuum suction, hydraulic systems
- Service — Miscellaneous — Hydraulic system, repair of hydraulic components in workshop
- Service — Miscellaneous — Hydraulic system, storage and transport of hydraulic components
- Service — Miscellaneous — Hydraulic system, cleanliness when handling hydraulic components
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03. Engine with Mounting and Equipment
- Engine — General, common info about 211 – 218 — Crank mechanism, connecting rod,crankshaft damper, Specifications, TD122
- Engine — General, common info about 211 – 218 — Description, TD122
- Engine — General, common info about 211 – 218 — Specifications, TD122
- Engine — General, common info about 211 – 218 — Timing gear, camshaft, Description, TD122
- Engine — General, common info about 211 – 218 — Valve mechanism, Description, TD122
- Engine mounting, removal
- Lubricating System — General, common info about 221 – 224 — Specifications, TD122
- Lubricating System — Oil pump; line — Description, TD122
- Lubricating System — Oil filter; filter housing — Specifications, TD122
- Fuel System — General (common info about 233 – 238) — Fuel lift pump and cleaner, Description, TD122
- Fuel System — General (common info about 233 – 238) — Fuel system, description
- Fuel System — General (common info about 233 – 238) — Fuel system, bleeding
- Fuel System — General (common info about 233 – 238) — Injection pump, regulator and pump coupling,Description, TD122
- Fuel System — General (common info about 233 – 238) — Injector and delivery pipe, Description, TD122
- Fuel System — General (common info about 233 – 238) — Intake and exhaust system, Turbocharger, Description, TD122
- Fuel System — Fuel tank; fuel filling pump — Fuel filling pump, connections included — Fuel filling pump, replacement
- Fuel System — Injection pump; regulator; pump companion — Injection pump, removal
- Fuel System — Injection pump; regulator; pump companion — Injection pump, specifications
- Inlet System; Exhaust System — Charge air cooler with connections — Coolant pump, removal
- Inlet System; Exhaust System — Charge air cooler with connections — Description, TD122
- Cooling System — General, common info about 261 – 269 — Description, TD122
- Cooling System — Radiator, mounting and connections included — Radiator, removal
- Cooling System — Fan; fan shroud; fan coupling — Fan drive, mechanical — Vee belts, replacement
- Engine Control — Automatic speed control — Automatic engine speed control, adjustment
- Engine Control — Automatic speed control — Automatic engine speed control, description
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system — Electrical system, specifications
- Comprehensive info, electrical system — Electrical system, work instructions
- Comprehensive info, electrical system — Main electrical components, location
- Battery; Energy Storage System; Mounting Parts — General, common info about 311 – 313 — Battery, charging
- Battery; Energy Storage System; Mounting Parts — General, common info about 311 – 313 — Battery, specifications
- Alternator; Charging; Electric Motor; Electric Drives — General, common info about 321 – 322 — Alternator, checking the charging voltage
- Alternator; Charging; Electric Motor; Electric Drives — General, common info about 321 – 322 — Alternator, specifications
- Starting System — General, common info about 331 – 334 — Starter circuit, description
- Starting System — Starter motor inclusive solenoid — Starter motor, description
- Starting System — Starter motor inclusive solenoid — Starter motor, specifications
- Starting System — Starter motor inclusive solenoid — Starter motor, replacement
- Starting System — Electric air pre-heater, excluding element — Preheating, description
- Lighting — General, common info about 351 – 356 — Lighting, specifications
- Lighting, extra, including working lighting — Working lights, description
- Cable; Fuse; Relay — General, common info about 371 – 379 — Cable marking, description
- Cable; Fuse; Relay — General, common info about 371 – 379 — Wiring diagram, description
- Cable; Fuse; Relay — General, common info about 371 – 379 — Wiring diagram, list of components and index
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box — Distribution box 1 — Distribution box A1, replacement
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box — Distribution box 1 — Distribution box A1, description
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box — Distribution box 2 — Distribution box A2, fuses and relays
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box — Distribution box 2 — Distribution box A2, replacement
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box — Distribution box 2 — Distribution box A2, description
- Instrument; Sensor; Warning and Information System — General, common info about 383 – 387 — Information system, programming of parameters
- Instrument; Sensor; Warning and Information System — General, common info about 383 – 387 — Information system, description
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, air filter pressure monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, coolant level monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, coolant temperature sensor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, end position monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, engine oil level monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, engine oil pressure monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, engine speed (rpm) sensor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, fuel level monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, hydraulic oil level monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, hydraulic oil temperature sensor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, monitor for suction flap valve
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, overload pressure monitor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, safety bar
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, adjustment of enginespeed (rpm) sensor
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, replacement (general)
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sensors and monitors, description
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit — Central computer — Central unit A3, description
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit — Central computer — Central unit A3, replacement
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit — Display unit A9, description
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit — Display unit A9, replacement
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05. Power Transmission
- General, common info about 410 – 436 — Power transmission, description
- Gearbox — Track gearbox, crawler machine — Track brake, replacement of brake discs
- Gearbox — Track gearbox, crawler machine — Travel gearbox, removal
- Gearbox — Swing gearbox + swing pinion shaft — Slew gearbox, removal
- Gearbox — Swing gearbox + swing pinion shaft — Slew pinion shaft, removal
- Gearbox — Pump gearbox with coupling — Pump gearbox, removal
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor, replacement of radial seal
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor 1, traveling — Travel motor, specifications
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor 1, traveling — Travel motor, removal
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor, swing of superstructure — Slew motor, specifications
- Hydrostatic Drive — Centre passage; lines — Centre passage, description
- Hydrostatic Drive — Centre passage; lines — Centre passage, removal of housing
- Miscellaneous — Swing system upper part — Swing ring — Slew ring, measurement of axial play
- Miscellaneous — Swing system upper part — Swing ring — Slew ring, removal
- Miscellaneous — Swing system upper part — Swing brake; swing holding brake; swing lock — Slew brake, description
- Miscellaneous — Swing system upper part — Slew system for superstructure, measurement of rotational play
- Miscellaneous — Swing system upper part — Slew system for superstructure, description
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06. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Frame — Counterweight
- Frame, excavator — Undercarriage (crawler machine) — Undercarriage, specifications
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Front idler, incl. fork — Idler, replacement
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Front idler, incl. fork — Idler, specifications
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Sprocket — Drive sprocket, specifications
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Sprocket — Drive sprocket, replacement
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track chain, measurement of wear betweenchain pin and bushing
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track chain, specification
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track, measurement of track tension
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track, opening
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track, specifications
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Top rollers; skid rails — Top rollers — Top roller, measurement of wear
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Top rollers; skid rails — Top rollers — Top roller, specifications
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers — Bottom roller, measurement of wear
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers — Bottom roller, replacement
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers — Bottom roller, specifications
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Track support, chain guide (derailing protection) — Derailing protection, replacement
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Spring package; adjusting cylinder — Spring package
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Spring package; adjusting cylinder — Adjusting cylinder — Tensioning cylinder, renovation
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07. Machinery House; Cab; Exterior Trim Parts Anywhere
- Cab, Naked; Canopy — Cab body — Operator’s cab, removal
- Cab, Naked; Canopy — Lifting device, windshield — Window opening control, replacement of gas spring
- DOORS; HATCH; COVER PLATE, (all) — Door, complete with catch, hinges (no glass) — Cab door, replacement of door catch
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding — Windshield, without lifting device — Upper windscreen, replacement
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding — Window pane, replacement
- Trim Part, Outside; Glass; Sealing Moulding — Window, openable (not windshield) — Sliding window, replacement
- Air Conditioning Unit — Heating unit — Heating radiator — Heating coil, replacement
- Air Conditioning Unit — Heating unit — Heating control valve — Heat valve, replacement
- Air Conditioning Unit — Heating unit — Heater fan, replacement
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08. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — End position dampening, setting
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulic diagram, component list
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulic system, work instructions
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulic diagram
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulic pressure, setting
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulic pressure, specifications
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917 — Hydraulically driven oil cooler fan, description
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Tank — Hydraulic oil tank, removal
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Tank — Hydraulic oil tank, description
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system — Thermostat — Cooling fan thermostat, replacement
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system — Thermostat — Cooling fan thermostat, description
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system — Hydraulic oil cooler, removal
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system — Hydraulic oil cooler, description
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system — Oil cooling, replacement of shunt valve
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system — Oil cooling, description of shunt valve
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Tank, line, oil cooling, filter, breather, filling pump — Fan pump, specifications
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Directional valve; control valve — Float position valve — Float valve, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Directional valve; control valve — Directional valve, replacement of spring
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Directional valve; control valve — Directional valve, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Directional valve; control valve — Directional valve, secondary, adjustment
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Pressure limiting valve (relief valves) — Chock valve — Shock valve, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Pressure limiting valve (relief valves) — Pressure limiting valve, replacement
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Hydraulic lock; line rupture valve — Line rupture valve, boom — Hose rupture valve for boom cylinder, replacement
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Hydraulic lock; line rupture valve — Line rupture valve, boom — Hose rupture valve for boom cylinder, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Block for valve assembly — Valve block, slewing — Slew valve block, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Block for valve assembly — Valve block, slewing — Slew valve block, removal
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Block for valve assembly — Main valve block, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Block for valve assembly — Main valve block, removal
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Refilling valve (anti-caviation valve) — Anti cavitation valve, description
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Refilling valve (anti-caviation valve) — Anti cavitation valve, replacement
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Pump, slew — Working pump, fixed, installation
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Pump, slew — Working pumps, description
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Pump, slew — Working pumps, seal replacement
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Pump, slew — Working pumps, specifications
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics — Pump, boom — Working pump, variable flow, installation
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Pump — Servo pump, specifications
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Control pressure valve, except brake valve — Control pressure (pedal) valve, adjustment
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Control pressure valve, except brake valve — Control pressure valve, adjustment
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Control pressure valve, except brake valve — Control pressure valve, checking
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Control pressure valve, except brake valve — Control pressure valve, description
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Control pressure valve, except brake valve — Control pressure valve, renovation of insert
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Solenoid valve, on/off function — Solenoid valves, functions with and without voltage
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Solenoid valve, on/off function — Solenoid valves, location
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment — Hammer and shears, hydraulic diagram
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment — Slope bucket/rotator, description
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment — Slope bucket/rotator, hydraulic diagram
- Unit, Digging — General, common info about 971 – 975 — Bearings, replacement of link bearing
- Unit, Digging — General, common info about 971 – 975 — Bearings, measurement of radial play
- Unit, Digging — General, common info about 971 – 975 — Bearings, specifications
- Unit, Digging — General, common info about 971 – 975 — Digging equipment sinking, measurement
- Unit, Digging — General, common info about 971 – 975 — Hydraulic cylinder, description
- Unit, Digging — Boom with links — Boom
- Unit, Digging — Boom with links — Cylinder, boom lifting — Boom cylinder, removal
- Unit, Digging — Dipper arm with links — Dipper arm
- Unit, Digging — Dipper arm with links — Cylinder, dipper arm — Dipper arm cylinder, removal
- Unit, Digging — Dipper arm with links — Cylinder, bucket — Bucket cylinder, removal
Travel Drive and Superstructure Swing References
For this subject, the index specifically identifies “Slew motor, specifications” and “Travel motor, specifications”.
A travel-motor entry is not interchangeable with the swing-motor or swing-brake entries; retain that distinction when choosing the relevant information.
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