Overview
The Volvo EC250E LC4 Excavator Service Repair Manual is a system-by-system reference for maintenance, inspection and repair work. Coverage includes engine systems, power transmission, working and servo hydraulics, and electrical and instrument systems.
Specific service subjects include fuel injectors and delivery pipes, turbocharger components, the superstructure swing motor, travel-drive pumps, and track rollers.
Table of Contents
Volvo EC250E LC4 Manual
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01. General
- Specifications
- Standard Time
- Tool
- Miscellaneous — Service instruction; safety instruction
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid
- Service — General, common info about 171 – 179
- Service — Maintenance
- Safety equipment, without own function group
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03. Engine with Mounting and Equipment
- General, engine installation and its function
- Engine — General, common info about 211 – 218
- Engine — Cylinder block with crankcase ventilation
- Engine — Valve mechanism
- Engine transmission; camshaft
- Engine — Crank shaft; connecting rod; vibration damper; fly wheel
- Engine — Oil sump, dipstick incl.
- Lubricating System — General, common info about 221 – 224
- Lubricating System — Oil pump; line
- Lubricating System — Oil cooler
- Fuel System — General (common info about 233 – 238)
- Fuel System — Fuel pump; filter; strainer
- Fuel System — Fuel lines
- Fuel System — Injector; delivery pipe
- Inlet System; Exhaust System — General, common info about 251 – 258
- Inlet System; Exhaust System — Silencer; exhaust pipe
- Inlet System; Exhaust System — Catalytic converter; exhaust emission control equipment
- Inlet System; Exhaust System — Turbo charger
- Inlet System; Exhaust System — Charge air cooler with connections
- Cooling System — General, common info about 261 – 269
- Cooling System — Radiator, mounting and connections included
- Cooling System — Coolant pump; thermostat
- Cooling System — Fan; fan shroud; fan coupling
- Engine Control — General, common info about 272 – 277
- Miscellaneous — EGR (Exhaust Gas Recirculation)
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system
- Software documents, complete vehicle
- Faulttracing
- Battery; Energy Storage System; Mounting Parts — Battery
- Alternator; Charging; Electric Motor; Electric Drives — General, common info about 321 – 322
- Alternator; Charging; Electric Motor; Electric Drives — Alternator inclusive drive
- Starting System — General, common info about 331 – 334
- Starting System — Starter motor inclusive solenoid
- Starting System — Electric air pre-heater, excluding element
- Starting System — Starter lock
- Lighting — General, common info about 351 – 356
- Lighting, extra, including working lighting
- Other Electrical Equipment — General, common info about 361 – 367
- Other Electrical Equipment — Audible warning from horn; mounting — Horn
- Other Electrical Equipment — Audible warning from horn; mounting — Audible back-up warning; audible motion warning
- Other Electrical Equipment — Audible warning from horn; mounting — Back-up warning; travel warning
- Other Electrical Equipment — Cleaner — Windscreen wiper
- Other Electrical Equipment — Switch; connector — Switch
- Other Electrical Equipment — Automatic control/blocking function, lacking a function group of its own
- Other Electrical Equipment — Electronic standard components
- Cable; Fuse; Relay — General, common info about 371 – 379
- Cable; Fuse; Relay — Cable; battery disconnector
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Fuse
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Relay
- Instrument; Sensor; Warning and Information System — Speedometer; trip meter; hour counter
- Instrument; Sensor; Warning and Information System — Sender, monitoring system
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit
- Radio, with tape or CD player; voltage divider — Radio, with tape or CD player
- Radio, with tape or CD player; voltage divider — Voltage divider
- Radio equipment for communication
- Telematics systems
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05. Power Transmission
- General, common info about 410 – 436
- Gearbox — Track gearbox, crawler machine
- Gearbox — Swing gearbox + swing pinion shaft
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor 1, traveling
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor, swing of superstructure
- Hydrostatic Drive — Hydraulic pump incl.coupling, travelling incl. operating system
- Hydrostatic Drive — Centre passage; lines — Centre passage
- Swing system upper part
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06. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Comprehensive info about frame and track unit/wheels
- Frame — General, common info about 711 – 718
- Frame — Protection; belly plate; bumper
- Frame — Counterweight
- Frame, excavator — Undercarriage (crawler machine)
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Front idler, incl. fork
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Sprocket
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Top rollers; skid rails
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Track support, chain guide (derailing protection)
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Spring package; adjusting cylinder
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07. Machinery House; Cab; Exterior Trim Parts Anywhere
- Comprehensive info, machinery house and cab
- Cab, Naked; Canopy — Cab mounting
- Engine Hood; Mudguard; Foot Step — Foot step; stair; hand rail; safety rail; slip protection
- DOORS; HATCH; COVER PLATE, (all) — Door, complete with catch, hinges (no glass)
- Trim Part, Outside; Glass; Sealing Moulding — Outside trim parts, emblems, reflectors, rear view mirrors
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat
- PROTECTIVE EQUIPMENT, not specified in a special group — Protecting frame; protecting equipment for cab
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Air distribution incl. air intake with filter
- Air Conditioning Unit — Heating unit
- Air Conditioning Unit — Cooling unit
- Air Conditioning Unit — Auxiliary heater, diesel fuel operated
- Interior Equipment — Instrument panel/console; control panel/console/-pedestal
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08. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- Working Hydraulics; Servo Hydraulics — General, common info about 911 – 917
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Tank
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Line; fitting; connecting block; retainer
- Working Hydraulics; Servo Hydraulics — Tank; line; oil cooling; filter; breather; filling pump — Oil cooling system
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Directional valve; control valve
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Hydraulic lock; line rupture valve
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Pump
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Pressure accumulator
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Control pressure valve, except brake valve
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Solenoid valve, on/off function
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment — Hydraulics mounted on machine for attachments
- Mechanical Equipment/attachment — Attachment bracket, mechanical and hydraulic Quickfit
- Unit, Digging — General, common info about 971 – 975
- Unit, Digging — Boom with links — Boom
- Unit, Digging — Boom with links — Cylinder, boom lifting
- Unit, Digging — Dipper arm with links — Dipper arm
- Unit, Digging — Dipper arm with links — Links; link system
- Unit, Digging — Dipper arm with links — Cylinder, dipper arm
- Unit, Digging — Dipper arm with links — Cylinder, bucket
- Fire protection; anti theft systems; anti vandalism system
- Automatic lubricating system
- Other equipments/attachments
Directional Control Valve, Working Hydraulic Circuit and Servo Hydraulic Circuit
Use the entries “Directional valve; control valve” and “Working hydraulics” to locate the named component information.
Keep propulsion-related pump references separate from working-equipment hydraulics when selecting the component information.
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