Volvo L70C Wheel Loader Service and Repair Manual PDF

Volvo L70C Wheel Loader Service and Repair Manual PDF

Size: 64.33 MB
Language: English
Make: Volvo
Machine: Wheel Loader
Document: Service and Repair Manual, Hydraulic and Electrical Diagram
Model: Volvo L70C
Page: 4601 Pages

Detail Contents:
1 Volvo L70C
Description

• 4th Hydraulic function
  AC Description
  AC safety, Description of function
  Air conditioning with refrigerant R134a
  APS II (Automatic Power Shift with Mode Selector)
  Automatic gear shifting, description of function
  Central valve, description
  Charging batteries
  Charging batteries1
  Cleanliness when working on brake and hydraulic systems
  Codes used in wiring diagrams
  Control valve, description
  Control valve
  Contronic Display Unit
  Description L70C
  Description of function
  Description of function1
  Description of function2
  Description
  Diodes on circuit board
  Electriapproxl distribution
  Electric welding
  Electrical distribution box
  Electrical system, Description of function
  Engine Description
  Explanations to wiring diagrams
  Fault tracing
  General description of control unit function
  GENERAL DESCRIPTION OF THE CONTROL UNIT (ECU)
  General description
  Hydraulic pump
  Instruments and controls
  Lever steering, CDC (Comfort Drive Control)
  Lever steering, CDC
  Lever steering
  List of circuits
  Manual gear shifting, description of function
  Operating with ecu disconnected
  Parking Brake Description
  Product Identification Plates
  Repairing hydraulic systems
  Secondary steering system
  Service brakes
  Servo system
  Special instructions when working on the electriapproxl system
  Steering cylinder removed, reconditioning
  Steering cylinder
  Steering system
  Steering valve orbitrol
  Units connected to the control unit
  Working hydraulics, description

Diagrams

• Block diagram
  Hydraulic diagram, brake system
  Hydraulic diagram, stering system
  Hydraulic diagram
  Hydraulic symbol diagram
  Wiring diagram, circuits 1,1–1,10
  Wiring diagram, circuits 2,1–2,10
  Wiring diagram, circuits 3,1–3,10
  Wiring diagram, circuits 4,1–4,10
  Wiring diagram, circuits 5,1–5,10
  Wiring diagram, circuits 6,1–6,10
  Wiring diagram, circuits 7,1–7,7
  Wiring diagram, circuits 8,1–8,10
  Wiring diagram, circuits 8D,1–8D,7
  Wiring diagram, circuits 9,1–9,7
  Wiring diagram, circuits 10,1–10,7
  Wiring diagram, circuits 11,1–11,8
  Wiring diagram, circuits 12,1–12,8
  Wiring diagram, circuits 13,1–13,10
  Wiring diagram, circuits 13D,1–13D,10
  Wiring diagram, circuits 14,1–14,10
  Wiring diagram, circuits 15,1–15,10
  Wiring diagram, circuits 16,1–16,10
  Wiring diagram, circuits 16D,1–16D,9
  Wiring diagram, circuits 17,1–17,8
  Wiring diagram, circuits 18,1–18,10
  Wiring diagram, circuits 19,1–19,7
  Wiring diagram, circuits 20,1–20,7
  Wiring diagram, circuits 21,1–21,5
  Wiring diagram, circuits 21D,1–21D,5
  Wiring diagram, circuits 22,1–22,9
  Wiring diagram, circuits 24,1–24,10
  Wiring diagram, circuits 24A,1–24A,10
  Wiring diagram, circuits 25,1–25,9
  Wiring diagram, circuits 26,1–26,8
  Wiring diagram, circuits 26D,1–26D,8
  Wiring diagram, circuits 27,1–27,8
  Wiring diagram, circuits 28,1–28,9
  Wiring diagram, circuits 29,1–29,10

Engine TD61 TD 63 TD71 TD73

• Camshaft 1
  Camshaft and tappets, inspection
  Camshaft bearing, changing
  Camshaft bearings, checking
  Camshaft specs
  Charge air cooler, checking for leaks
  Compression test, warm engine
  Connecting rod, inspection
  Connecting rods
  Coolant pump for charge air cooler, reconditioning
  Coolant pump, reconditioning
  Copper sleeves for injectors, changing
  Crankshaft 2
  Crankshaft, checking
  Cylinder block specs
  Cylinder block, assessing cracks
  Cylinder block, checking level
  Cylinder block, grinding level
  Cylinder head, checking for leaks
  Cylinder head, dismantling
  Cylinder head, inspection
  Cylinder head, milling sealing grooves and flame edge grooves (TD61 and TD71 only)
  Cylinder head, surface grinding (TD61 and TD71 only)
  Cylinder head, surface grinding (using face plate and abrasive cloth)
  Cylinder head
  Cylinder liner seat, reconditioning
  Cylinder liner, checking and measuring wear
  Cylinder liner, fitting
  Cylinder liner, removal
  Cylinder liners 1
  Cylinder liners
  Delivery pipe
  Description cooling
  Description cylinder head
  Description engine
  Description of operation, injection pump
  Description, automatic belt tensioner
  Description, exhaust brake
  Description, feed pump
  Description, governor
  Description, injection advance mechanism (injection angle advance)
  Description, injection pump
  Description, overflow valve
  Description, pressure valve
  Description, pressure-dependent full-load stop (smoke limiter) and cold start device
  Description, thermostat
  Engine, assembly
  Engine, dissasembly
  Flywheel
  Foreword Engine
  Fuel system sepcs
  General instructions engine
  Injection angle advance
  Injection pump drive, reconditioning
  Injection pump, changing
  Injection pump, checking and adjusting injection angle (using tool 998 7057)
  Injection pump, checking and adjusting injection angle (using tool 999 6848)
  Injection pump
  Injectors
  Instructions for factory reconditioned engines
  Low engine speed (no injection angle advance)
  Lubrication system, TD61 and TD63
  Lubrication system, TD71 and TD73
  Main bearings and big-end bearings
  Nitride hardened timing gears
  Oil cooler, checking for leaks
  Oil pump, reconditioning (double pump)
  Oil pump, reconditioning (single pump)
  Oil pump
  Oil sump Specifications
  Oil valves, changing
  Oscillation damper
  Piston and connecting rod, assembly
  Piston and connecting rod, dismantling
  Piston rings, changing
  Piston rings
  Pistons
  Rocker arm mechanism, reconditioning 1
  Rocker arm mechanism, reconditioning
  Specifications Engine
  Specifications lubrication
  There are three valves in the lubrication system
  Thermostat, checking operation
  Thermostat
  Turbo Description
  Turbocharger, changing
  Turbocharger, checking radial and axle clearance
  Turbocharger, reconditioning
  Valve guides, changing
  Valve seat, changing
  Valve seat, machining
  Valve stem and valve guide, inspection
  Valves and valve seats
  Valves
  V-belt û replacement
  VOLVO BM standard tightening torques

Installation Instruction

• 4th Hyd Function
  5th and 6th Hydraulic functions
  Attachment hydraulics GP, description
  Boom Suspension System
  Care Track
  Electrical engine heater
  Fender Widening Kit
  Flow control 3rd function
  Hip Belt
  Installation kit for Air-sprung
  Installation kit for Air-sprung1
  Kit for fitting the radio
  Protective grille, headlamp
  Replacing Brake Discs
  Rotating warning light
  Tool box
  Windscreen washer
  Working light, front
  Working lights cab, rear

Repair

• Accumulator for boom suspension system, releasing pressure
  Accumulator, boom suspension system, reconditioning
  Accumulator, precharging pressure, checking and adjusting
  Boom suspension system, checking
  Brake disc, changing
  Brake disc, changing1
  Brake discs, checking wear, L70C up to incl. ser. no. – 13501
  Brake discs, checking wear, L70C up to incl. ser. no. – 13501-1
  Brake discs, checking wear, L70C w.e.fr. ser. no. 13502 – axle
  Brake discs, checking wear, L70C w.e.fr. ser. no. 13502 – axle1
  Brake system, checking function of hydraulics
  Brake system, checking function of retardation
  Checking engine speed and travelling speed with frequency meter
  Differential carrier assembly
  Differential lock front, adjusting
  Engine, Fitting
  Engine, removing
  E-tool
  Fault-tracing hints
  Foot brake pedal, adjusting angle
  Foot brake valve removed, reconditioning
  Frame joint, changing bearings
  Fuel system, air bleeding
  Fuel tank, removing and fitting
  Headlights, adjustment
  Idling speed, checking and adjusting
  Injection angle (timing), checking and adjusting (with injection timing tool 998 7057)
  Injection angle (timing), checking and adjusting
  Lifting cylinder
  Parking brake, adjusting
  Planetary gear
  Pressure in circuit, checking and adjusting
  Pressure-reducing valves R1 and R2, closing pressure, checking
  Rear axle suspension, checking, fitting
  Rear axle suspension, checking, removing
  Safety valve TB, opening pressure, checking
  Servo pressure, checking and adjusting
  Servo pressure, checking at spool in control valve
  Servo valve, operating controls, adjusting
  Shock valve 3e function, checking and adjusting
  Shock valve, lifting function, checking and adjusting
  Shock valve, tilting function, checking and adjusting
  Speed control, checking and adjusting
  Stall speed, checking
  Stand-by pressure, checking and adjusting
  Steeering valve, removed, reconditioning
  Steering lever cu3, checking voltage in out
  Steering pressure and stand-by pressure, checking and adjusting
  Stop solenoid, adjustment
  Stop solenoid, adjustment1
  Tilting cylinder
  Time Guide
  Transmission HT90 (8-speed design)
  Transmission oil pressures, checking (all)
  Transmission, fitting
  Transmission, removing
  Working pressure, checking and adjusting

Safety

• A few simple rules for batteries
  A few simple rules of safety
  A few simple rules when inflating tyres
  A few simple rules when servicing
  Charging batteries
  Danger in connection with polymer materials
  Measures to prevent fire
  Refrigerant in air-conditioning units
  Service position
  Starting with booster batteries

Service Bulletins

• AC compressor, fill with oil
  Action for reducing risk of fire
  Action to be taken in case of abnormal lubricating oil consumption
  Air-suspended operator seat, ISRI
  Alternative lubricants for axles with wet brakes
  Automatic greasing systems of foreign manufacture
  Automatic transmission lubricants
  Battery and alternator test procedure
  Biodegradable hydraulic fluids
  Bracket for coolant pump
  Brake return spring moved
  Change in tightening torque, AWB10
  Changes to boom
  Checking and adjusting gas pressure in accumulators for Boom Suspension System
  Cleaning of the machine
  Coding ECU (Electronic Control Unit)
  DEF AdBlue AUS32 sampling, method
  Detecting leaks with inspection lamp
  Diesel test standards
  Discontinued recommendation for usage of anti-corrosion agent in cooling system
  ECU, functional check
  Flow control for 3rd hydraulic function
  Fluid levels
  Fork arms, information warranty matters, altered procedures
  Fuel sampling, method
  Greasing of hydraulic pump drive shaft
  HT90 transmission pump gasket
  Improved securement for cab filter primary filter
  Instructions for crack in lifting frame
  Instructions for shielded metal arc welding
  Lock cylinder for attachment bracket
  New alternator
  New leak-off line for engine fuel system
  New starter switch
  New TechTool VCADS Pro interface
  New warranty routines for Bosch diesel equipment
  Non – VCE buckets and attachments
  Oil analyses
  Oil sampling, method
  Oils for Volvos wheel loaders equipped with AWB axles (Axle Wet Brakes)
  Paper sintered type brake disc and mechanical wear indicator
  Plugs and restrictors in control valve
  Production development list for Volvo BM transmissions 1
  Production development list for Volvo BM transmissions
  Protection against unauthorised tampering with injection pumps
  Quality of illustrations in technical reports
  Raising and supporting machines (up to and including the E models)
  Recommendations for Oil Sampling Intervals
  Repair instructions for attachments
  Replacing operator seat shock absorber
  Reporting of product misuse & near-miss report
  Reports
  Seals
  Service solution for loader unit, improved D-pin locking
  Servo valve, single control lever
  Software in E-ECU for engines supplied as spare part
  Tilting and lifting cylinders
  Transporting a wheel loader on another vehicle
  Tyres, various types
  Ventilation servo casing
  Volvo Product incident accident report & Interview Form
  Water separator improvement

Special Tools, Misc

• LabourTimeGuide GRD G700B
  RM Compaction ABG
  RM Compaction Time guide
  RM Paving Systems ABG
  Special tool catalog
  Special Tools Recommendations
  Time Guide Currrent generation
  Time Guide Old generation
  Time Guide Previous generation

Specifications

• Air cleaner Specifications
  Attachment bracket
  Battery General Specifications
  Battery
  Boom Suspension System Specifications
  Boom Suspension System
  Brakes Specifications
  Brakes
  Cab
  Capacities
  Clutch Specifications
  Cold-starting device
  Coling system
  Control valve
  Counterweight
  cylinder
  Electrical system
  Engine Specifications
  Engine
  FEED PUMP Specifications
  Frame Specifications
  Fronty axel Specifications
  Fuel tank Specifications
  Fuses
  Hydraulic oil pump
  Hydraulic oil tank
  Hydraulic system Specification
  Hydraulic system
  INJECTION PUMP
  INJECTORS
  Intercooler (only low-emission version)
  lights
  Lubrication Specifications
  Power transmission
  servo circuit
  Servo system
  Starter motor
  Steering cylinder
  Steering Specifications
  Steering system
  System voltage
  THERMOSTAT
  Tightening torques
  Transmission
  Turbo
  Underbody plate
  Valve Specifications
  VOLVO BM standard tightening torques
  Weights (approx)

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