Download Volvo Wheel Loader L70C Service and Repair Manual PDF (English)

Get the Volvo Wheel Loader L70C Service and Repair Manual PDF, a detailed reference for servicing, maintenance, troubleshooting, inspection, and repair procedures. This manual provides useful technical information to help technicians, mechanics, and equipment owners understand machine systems and perform accurate repairs. Covering essential service specifications, component details, diagnostic guidance, and maintenance procedures, the Volvo L70C manual can help improve repair efficiency and support proper equipment maintenance. Ideal for workshop, field, and routine servicing needs. www.themanualsgroup.com
 
MODEL COVERED :
Volvo L70C Wheel Loader

CONTENTS INCLUDED : 
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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