Name: Volvo EC25 Compact Excavator Repair Service Manual
Brand: Volvo
SKU: 277757
Availability: InStock

Table of Content EC25 Service Information

GENERAL
- DESCRIPTION, COMPLETE MACHINE
  - General
    - Position of components
- TABLES, FOR DESIGNING
  - - Load capacity tables
    - Warning sign – Open engine hood only with engine stopped
    - Warning sign – Safety distance from the movement area
    - Warning sign – Safety distance from the work area
- SPECIFICATIONS
  - - Fuels Lubricants and filling capacities (litres)
    - Strength class 8.8 Metric coarse and fine threads
    - Strength class 10.9 Metric coarse and fine threads
    - UNC-threads, coarse pitch
    - Volvo standard tightening torques

STANDARD PARTS, SERVICE
- LUBRICANT; FUEL; OTHER FLUID
  - - Recommended lubricants
- SERVICE
  - Maintenance
    - Condition test
      - Creeping of hydraulic cylinders
      - Measuring conditions
      - Measuring the play of the slewing bearing
      - Performance when travelling straight on
      - Track travel speed
    - Maintenance instructions
  - Emergency measures
    - Jump starting
      - Starting the engine with jump wires

ENGINE WITH MOUNTING AND EQUIPMENT
- - General, engine installation and its function
    - Installing the engine
    - Performance characteristics (measuring valuesł forł oneł hour with fan)
- ENGINE
  - Cylinder head
    - Checking the compression pressure
  - Valve mechanism
    - Adjusting the valves
- LUBRICATING SYSTEM
  - General, common info about 221 – 224
    - Lubrication system, description
    - Lubrication system, specification
  - Oil filter; filter housing
    - Removing and installing the pressure relief valve
    - Removing the oil filter
- FUEL SYSTEM
  - General (common info about 233 – 238)
    - Bleeding the fuel system
    - Checking and adjusting the injection nozzles
    - Schematic, fuel system
  - Fuel pump; filter; strainer
    - Fuel feed pump
      - Adjusting the fuel injection timing
    - Filter; strainer
      - Changing the fuel filter
- COOLING SYSTEM
  - General, common info about 261 – 269
  - Coolant pump; thermostat
    - Coolant pump
      - Removing and installing the coolant pump
    - Thermostat
      - Removing and installing the thermostat housing

ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
- - Comprehensive info, electrical system
    - Electrical system, description
    - Electrical system, trouble shooting
    - Precautions when handling plug connectors
- BATTERY; ENERGY STORAGE SYSTEM; MOUNTING PARTS
  - General, common info about 311 – 313
- ALTERNATOR; CHARGING; ELECTRIC MOTOR; ELECTRIC DRIVES
  - General, common info about 321 – 322
    - Checking the performance characteristics
    - Tests before disassembly
  - Alternator inclusive drive
    - Dismantling and assembling the generator
    - Removing and installing the generator
  - Charging; converter
    - Checking the voltage regulation
- STARTING SYSTEM
  - General, common info about 331 – 334
  - Starter motor inclusive solenoid
    - Starter motor
      - Assembling the starter
      - Dismantling the starter
      - Removing and installing the starter
    - Starter relay
      - Installation of the solenoid
      - Key-operated engine shut down system with EDD-solenoid
  - Electric air pre-heater, excluding element
    - Characteristics of the glow plug system
    - Installing the glow plug
- LIGHTING
  - Lighting, extra, including working lighting
    - Working lighting
      - Working headlights and main headlights, specification
      - Working headlights and main headlights, description

POWER TRANSMISSION
- - General, common info about 410 – 436
    - General notes to be observed when working on power transmission assemblies
- GEARBOX,
  - Gearbox
    - Track gearbox, crawler machine
      - Removing and installing the travel gear
- HYDROSTATIC DRIVE
  - Hydraulic motor incl. operating system.
    - Hydraulic motor 1, traveling
      - Brake valve (counter balance valve)
      - Design of travel motor
    - Miscellaneous
      - The loaded motor does not run with normal speed
  - Centre passage; lines
    - Centre passage
- MISCELLANEOUS
  - Swing system upper part
    - Swing brake; swing holding brake; swing lock
      - Applying the brake

BRAKE
- - Comprehensive info about brakes

STEERING
- - Comprehensive info, steering
    - Steering system, description

FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL/TRACK UNIT
- - Comprehensive info about frame and track unit/wheels
    - Frame and crawler unit
- FRAME
  - Frame, excavator
    - Revolving frame
      - Removing and installing the superstructure
- WHEELS; TRACKS; TYRE; HUB; DRUM
  - Crawler unit
    - Front idler, incl. fork
      - Removing and installing the guide sprocket
    - Sprocket
      - Removing and installing the track drive
    - Steel track
      - Adjusting the track sagging
      - Removing and installing the rubber track
      - Removing and installing the track
    - Top rollers; skid rails
      - Removing and installing the track supporting idler
    - Bottom rollers
      - Removing and installing the track roller

MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
- - Comprehensive info, machinery house and cab
    - Removing and installing the cabin

HYDRAULIC SYSTEM; DIGGING/ HANDLING/ GRADING EQUIPM.; MISC. EQUIP.
- - - Adjusting the pressure and checking for leaks
    - General notes to be observe when working on the hydraulic system
    - Test and adjustment mark for EC 25
- WORKING HYDRAULICS; SERVO HYDRAULICS
  - General, common info about 911 – 917
  - Tank; line; oil cooling; filter; breather; filling pump
    - Tank
      - Changing the hydraulic oil
      - Checking the hydraulic oil level
    - Oil cooling system
      - Cleaning the oil cooler
    - Filters
      - Changing the hydraulic oil filter
  - Working hydraulics
    - Directional valve; control valve
      - Assignment of elements
      - Hydraulic circuit for slewing gear and offset
      - Hydraulic circuit of travel motors
      - Return flow, hydraulic accessories circuit
    - Pressure limiting valve (relief valves)
      - Checking and adjusting the pressure relief valves
      - Pressure relief valve P1 Test and adjustment procedure
      - Pressure relief valve P2 Test and adjustment procedure
      - Pressure relief valve P3
    - Hydraulic lock; line rupture valve
      - Hose rupture valve on boom cylinder, leak test
      - Hose rupture valve on boom cylinder
      - Hose rupture valve on boom cylinder Test and adjustment procedure
      - Hose rupture valve on dipper, leak test
      - Hose rupture valve on dipper
      - Secondary valves Test and adjustment procedure
    - Electric valve, in working hydraulics
      - Balancing valve (offset cylinder)
      - Solenoid valve for hydraulic working unit
    - Block for valve assembly
      - Control valve block for slewing gear Test and adjustment
      - Dismantling the valve block
      - Removing the valve block
      - Tests and adjustments of the power control
      - Valve block for slewing gear
  - Servo hydraulic system
    - Solenoid valve, on/off function
      - Hydraulic safety solenoid valve
    - Checking and adjusting the pressure reducer
    - Pressure regulator (hydraulic control elements)

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Volvo EC25 Compact Excavator Repair Service Manual

Manual Included:

Specifications:

Table of Content EC25 Service Information

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Volvo EC25 Compact Excavator Repair Service Manual

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Table of Content EC25 Service Information

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