Overview
The Volvo EC55 Compact Excavator Service Repair Manual provides organized technical coverage for locating service information during maintenance and repairs. The contents bring together power transmission, braking equipment, steering components, and working and servo hydraulics.
Specific service subjects include working-hydraulics pumps, hydraulic tanks, filters and oil-cooling equipment, cooling-system components, the superstructure swing motor, and engine valve components.
Table of Contents
Volvo EC55 Manual
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01. General
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid
- Service — Maintenance — Condition test
- Service — Emergency measures — Jump starting
- Service — Miscellaneous — Trouble shooting
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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 head
- Engine — Cylinder block with crankcase ventilation
- Engine — Valve mechanism
- Engine — Crank shaft; connecting rod; vibration damper; fly wheel
- Lubricating System — General, common info about 221 – 224
- Fuel System — General (common info about 233 – 238)
- Fuel System — Fuel tank; fuel filling pump — Fuel tank, breathing filter included
- Fuel System — Fuel tank; fuel filling pump — Fuel filling pump, connections included
- Cooling System — General, common info about 261 – 269
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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 — 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
- Lighting — General, common info about 351 – 356
- Other Electrical Equipment — Audible warning from horn; mounting — Horn
- Other Electrical Equipment — Cleaner — Windscreen wiper
- Other Electrical Equipment — Switch; connector — Switch
- Cable; Fuse; Relay — General, common info about 371 – 379
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Electrical distribution box
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sender, temperature
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sender, level
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sender, position
- Instrument; Sensor; Warning and Information System — Sender, monitoring system — Sender, pressure
- Instrument; Sensor; Warning and Information System — Warning/information unit, display unit — Display unit
- Miscellaneous — Radio, with tape or CD player; voltage divider — Radio, with tape or CD player
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05. Power Transmission
- Gearbox — Track gearbox, crawler machine
- Gearbox — Swing gearbox + swing pinion shaft
- Hydrostatic Drive — General, common info about 441 – 443
- 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 — Centre passage
- Swing system upper part — Swing ring
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06. Brake
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07. Steering
- General, common info about 641 – 647
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08. Frame; Springs; Damping; Axle Suspension; Wheel/track Unit
- Comprehensive info about frame and track unit/wheels
- Frame — General, common info about 711 – 718
- 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 — Track chain
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Top rollers; skid rails — Top rollers
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Spring package; adjusting cylinder — Spring package
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09. Machinery House; Cab; Exterior Trim Parts Anywhere
- Cab, Naked; Canopy
- Air Conditioning Unit — General, common info about 872 – 877
- Air Conditioning Unit — Heating unit — Heating control valve
- Air Conditioning Unit — Cooling unit — Compressor
- Air Conditioning Unit — Cooling unit — Evaporator; Expansion valve
- Air Conditioning Unit — Cooling unit — Condenser
- Air Conditioning Unit — Cooling unit — Drying filter
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10. 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 — Pump, working hydraulics — Pump, slew
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system — Pump
- 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
- Unit, Digging — General, common info about 971 – 975
Top Track Rollers, Track chain and Crawler Track Frame
Use the entries “Top rollers” and “Track chain” to locate the named component information.
Use the track-support entries for undercarriage components and the swing-system references for the upper-structure mechanism.
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