Overview
The Volvo EC55-EU Compact Excavator Service Repair Manual provides organized technical coverage for locating service information during maintenance and repairs. Its service groups address engine systems, power transmission, braking equipment, and steering components.
Specific service subjects include hydraulic tanks, filters and oil-cooling equipment, working-hydraulics pumps, crankshaft and connecting-rod components, the superstructure swing motor, and travel-motor components.
Table of Contents
Volvo EC55-EU Manual
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01. General
- Standard Time
- Tool — NET 8940-00200 Replacement tool for the remote control valve joint
- Tool — NET 8940-00350 Replacement tool for the slew motor assembly
- Tool — NET 8940-00360 Replacement tool for the radiator assembly
- Tool — NET 8940-00370 Guide pin for track motor and slew ring gear
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02. Standard Parts, Service
- Lubricant; Fuel; Other Fluid
- Service — Maintenance — Condition test — Creeping of hydraulic cylinder
- Service — Maintenance — Condition test — Measuring condition
- Service — Emergency measures — Jump starting — Starting engine with booster cables
- 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 — Compression pressure inspection
- Engine — Cylinder head, parts inspection and measurement
- Engine — Cylinder head — Exploded view, cylinder head
- Engine — Cylinder block with crankcase ventilation — Cylinder block, parts inspection and measurement
- Engine — Cylinder block with crankcase ventilation — Exploded view, cylinder block
- Engine — Valve mechanism
- Engine — Crank shaft; connecting rod; vibration damper; fly wheel — Gear train and camshaft, parts inspection and measurement
- Engine — Crank shaft; connecting rod; vibration damper; fly wheel — Gear train and camshaft, description
- Lubricating System — General, common info about 221 – 224 — Lubrication system, parts inspection and measurement
- 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 — Cooling system, specifications
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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 — Audible warning from horn; mounting — Back-up warning; travel warning
- 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
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Relay
- 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 — Track gearbox, description
- 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 — Track motor, operating checks
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor 1, traveling — Track motor, assembly
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor 1, traveling — Track motor, disassembly
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor, swing of superstructure — Slew motor, assembly
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor, swing of superstructure — Slew motor, description
- Hydrostatic Drive — Hydraulic motor incl. operating system. — Hydraulic motor, swing of superstructure — Slew motor, disassembly
- 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 and track unit, specifications
- Frame — General, common info about 711 – 718 — Superstructure, removal
- Frame — Counterweight — Additional counterweight or attachment
- Frame, excavator — Undercarriage (crawler machine)
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Front idler, incl. fork
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Sprocket, measurement of wear
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track chain
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Steel track — Track, adjusting track sag
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Top rollers; skid rails — Top rollers
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers — Bottom roller, removal and installation
- 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
Swing Ring, Slew motor, assembly and Swing Gearbox
For this subject, the index specifically identifies “Swing ring” and “Slew motor, assembly”.
Travel and superstructure-swing components are separate service subjects. Select the applicable drive before following the associated component references.
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