Overview
The Volvo EC450 Åkerman Excavator Service Repair Manual is a system-by-system reference for maintenance, inspection and repair work. The indexed systems include braking equipment, steering components, working and servo hydraulics, and electrical and instrument systems.
The contents also identify working-hydraulics pumps, hydraulic tanks, filters and oil-cooling equipment, travel-motor components, cooling-system components, and the superstructure swing motor.
Table of Contents
Volvo EC450 Åkerman Manual
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01. General
- Description, Complete Machine
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02. Standard Parts, Service
- Service — General, common info about 171 – 179
- Safety equipment, without own function group
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03. Engine with Mounting and Equipment
- Engine — General, common info about 211 – 218
- Engine mounting
- Fuel System — Fuel tank; fuel filling pump — Fuel filling pump, connections included
- Fuel System — Injection pump; regulator; pump companion — Injection pump, regulator, pump companion
- Cooling System — Radiator, mounting and connections included — Radiator; heat exchanger
- Cooling System — Coolant pump; thermostat
- Cooling System — Fan; fan shroud; fan coupling — Fan
- Engine Control — Speed control
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system
- 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
- Other Electrical Equipment — General, common info about 361 – 367
- Cable; Fuse; Relay — General, common info about 371 – 379
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box
- Instrument; Sensor; Warning and Information System — General, common info about 383 – 387
- Instrument; Sensor; Warning and Information System — Sender, monitoring system
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit
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05. Power Transmission
- General, common info about 410 – 436
- Gearbox — Track gearbox, crawler machine
- Gearbox — Swing gearbox + swing pinion shaft
- Gearbox — Pump gearbox with coupling
- 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 — Centre passage; lines
- Miscellaneous — Swing system upper part — Swing ring
- Miscellaneous — Swing system upper part — Swing brake; swing holding brake; swing lock
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06. Brake
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07. Steering
- Steering — General, common info about 641 – 647
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08. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Frame — Counterweight
- Frame, excavator — Undercarriage (crawler machine)
- Wheels; Tracks; Tyre; Hub; Drum — Wheel
- 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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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Framework, machine house
- Cab, Naked; Canopy
- DOORS; HATCH; COVER PLATE, (all) — Door, complete with catch, hinges (no glass)
- Trim Part, Outside; Glass; Sealing Moulding — Glass; sealing moulding — Windshield, without lifting device
- Trim Part, Outside; Glass; Sealing Moulding — Window, openable (not windshield)
- Cab Interior/upholstery — Upholstery
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat
- Air Conditioning Unit — Heating unit
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10. Hydraulic System; Digging/ Handling/ Grading Equipm.; Misc. Equip.
- General
- 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 — Oil cooling system
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Directional valve; control valve
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Pressure limiting valve (relief valves)
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Block for valve assembly
- Working Hydraulics; Servo Hydraulics — Working hydraulics — Miscellaneous
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Pressure limiting valve
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Pump
- Working Hydraulics; Servo Hydraulics — Other hydraulic equipment
- Mechanical Equipment/attachment — General, common info about 922 – 927
- Mechanical Equipment/attachment — Attachment bracket, mechanical and hydraulic Quickfit — Cylinder, hydraulic
- Unit, Digging — General, common info about 971 – 975
- Unit, Digging — Boom with links — Cylinder, boom lifting
- Unit, Digging — Dipper arm with links — Dipper arm
- Unit, Digging — Dipper arm with links — Cylinder, dipper arm
- Unit, Digging — Dipper arm with links — Cylinder, bucket
Travel Drive and Superstructure Swing References
This coverage includes the entries “Swing brake; swing holding brake; swing lock” and “Swing ring”.
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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