Overview
The Volvo EC18C Compact Excavator Service Repair Manual brings the machine’s service topics together in a structured workshop reference. Coverage includes engine systems, power transmission, working and servo hydraulics, and electrical and instrument systems.
The service topics include hydraulic tanks, filters and oil-cooling equipment, working-hydraulics pumps, fuel injectors and delivery pipes, engine valve components, and the superstructure swing motor.
Table of Contents
Volvo EC18C 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 — Warranty service
- Service — Maintenance, base
- Service — Maintenance — Condition test
- Service — Emergency measures — Measures prior to towing
- Service — Emergency measures — Jump starting
- 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 head
- Engine — Cylinder block with crankcase ventilation
- Engine — Cylinder liner; piston
- Engine — Valve mechanism
- Engine transmission; camshaft
- Engine — Crank shaft; connecting rod; vibration damper; fly wheel
- Lubricating System — General, common info about 221 – 224
- Lubricating System — Oil pump; line
- Fuel System — General (common info about 233 – 238)
- Fuel System — Fuel pump; filter; strainer
- Fuel System — Fuel tank; fuel filling pump
- Fuel System — Injection pump; regulator; pump companion
- Fuel System — Injector; delivery pipe
- Inlet System; Exhaust System — Silencer; exhaust pipe
- Inlet System; Exhaust System — Air cleaner with connections; air pre-heater
- 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 — Revs control, hand operated
- Engine Control — Stop control
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04. Elec. System; Warning System; Information System; Instruments
- Comprehensive info, electrical system
- Faulttracing
- Battery; Energy Storage System; Mounting Parts — Battery
- Alternator; Charging; Electric Motor; Electric Drives — Alternator inclusive drive
- Starting System — Starter motor inclusive solenoid
- Starting System — Electric air pre-heater, excluding element
- Lighting — General, common info about 351 – 356
- Lighting, front, including parking light and day running light
- Other Electrical Equipment — Audible warning from horn; mounting
- Other Electrical Equipment — Cleaner
- 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 system, cabin
- Cable; Fuse; Relay — Cable; battery disconnector — Battery cable, battery disconnector
- Cable; Fuse; Relay — Cable; battery disconnector — Starter cables
- Cable; Fuse; Relay — Electrical distribution box; fuse box; junction box — Fuse
- Cable; Fuse; Relay — Miscellaneous
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05. Power Transmission
- General, common info about 410 – 436
- 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
- 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 — Counterweight
- Frame, excavator — Undercarriage (crawler machine)
- Frame, excavator — Revolving frame
- 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 — Rubber track
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Top rollers; skid rails
- Wheels; Tracks; Tyre; Hub; Drum — Crawler unit — Bottom rollers
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07. Machinery House; Cab; Exterior Trim Parts Anywhere
- Cab, Naked; Canopy
- Engine Hood; Mudguard; Foot Step — Engine hood with assembly parts
- Cab Interior/upholstery — Driver’s seat, complete; instructor’s seat
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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
- Working Hydraulics; Servo Hydraulics — Working hydraulics
- Working Hydraulics; Servo Hydraulics — Pump, working hydraulics
- Working Hydraulics; Servo Hydraulics — Servo hydraulic system
- Working Hydraulics; Servo Hydraulics — Lever; pedal
- Unit, Digging — General, common info about 971 – 975
- Unit, Digging — Boom with links
- Unit, Digging — Dipper arm with links
Superstructure Swing, Travel Motor and Hydraulic Centre Passage
For this subject, the index specifically identifies “Swing system upper part” and “Hydraulic motor 1, traveling”.
Travel and superstructure-swing components are separate service subjects. Select the applicable drive before following the associated component references.
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