KOMATSU-VEBM470104 Komatsu WA420-3H wheel loader pdf shop manual
English

Komatsu WA420-3H wheel loader pdf shop manual

KOMATSU-VEBM470104
$27.90
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Format: PDF

Pages: 970

File size: 26.77 MB

Language: English

Models: WA420-3H H20051 and up

KOMATSU-VEBM470104-preview.pdf - 942.86KB
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Table of Contents for KOMATSU-VEBM470104 manual

  • COVER
  • Contents
  • 01 General
    • Up to SN WA420H30296
    • Dimensions and weights
    • Specifications
    • Weight table
    • SN WA420H30297 and up
    • Dimensions and weights
    • Specifications
    • Weight table
    • List of lubricant and water
    • Outlines of service
    • General view of controls and gauges
    • Torque list
  • 10 Structure and function
    • Power train
    • Power train system
    • Torque converter, transmission piping
    • Transmission hydraulic system diagram
    • Transmission hydraulic circuit diagram
    • Torque converter
    • Transmission
    • Clutch
    • Transmission control valve
    • Transmission solenoid valve
    • Pilot reducing valve
    • Main relief valve
    • Torque converter outlet port valve
    • Priority valve
    • Transmission oil pressure system diagram
    • H-L selector valve and range selector valve
    • Emergency manual spool
    • Electronic control modulation valve
    • Pilot oil filter
    • Accumulator valve
    • Flow valve
    • Check valve
    • Drive shaft
    • Axle
    • Differential
    • Final drive
    • Axle mount, center hinge pin
    • Steering piping
    • Steering column, orbit roll
    • Hydraulic circuit diagram for steering
    • Orbit-roll valve
    • Steering demand valve
    • Overload relief valve
    • Steering relief valve
    • Operation of demand valve
    • Emergency steering
    • Brake piping
    • Brake circuit diagram
    • Brake valve
    • Charge valve
    • Accumulator for system brake
    • Slack adjuster
    • Brake circuit diagram
    • Brake valve (dual circuit)
    • Brake valve (single circuit)
    • Brake pressure regulating valve
    • Accumulator (for brake)
    • Accumulator for PPC valve
    • Brake accumulator unit
    • Brake
    • Parking brake control
    • Parking brake
    • Parking brake valve
    • Hydraulic piping
    • Work equipment hydraulic circuit diagram
    • Work equipment lever linkage
    • Hydraulic tank
    • PPC valve
    • PPC relief valve
    • Accumulator for PPC valve
    • Main control valve (up to H30296)
    • Relief valve (up to H30296
    • Safety valve (with suction)
    • Suction valve
    • Main control valve (H30297 and up)
    • Safety valve with suction (H30297 and up)
    • Anticavitation valve (H30297 and up)
    • Safety valve (H30297 and up)
    • Hydraulic safety system
    • Hydraulic safety system location (up to H30431)
    • Hydraulic safety valve (up to H30431)
    • Work equipment linkage
    • Bucket
    • Bucket positioner and boom kick-out
    • Machine monitor system
    • Main monitor
    • Maintenance monitor
    • Transmission auto-shift control system
    • Transmission controller
    • E.C.S.S.
    • Sensors
    • Engine start circuit
    • Ether start
    • Electric transmission control
    • Combination switch
    • Kick-down, hold switch
    • Transmission electric circuit diagram
    • Transmission cut-off switch
    • Transmission cut-off function
    • Electric parking brake control
    • Air-conditioner
    • Wiring diagrams
  • 20 Testing and adjusting
    • Standard value table for engine
    • Standard value table for chassis
    • Test certificate
    • Standard value table for electrical parts
    • Tools for testing, adjusting and troubleshooting
    • Adjusting valve clearance
    • Measuring compression pressure
    • Measuring blow-by pressure
    • Testing and adjusting fuel injection timing
    • Mesuring exhaust color
    • Measuring intake air pressure (boost pressure)
    • Measuring engine oil pressure
    • Testing the fan belt tension
    • Measuring accelerator pedal
    • Basic adjustment of accelerator pedal
    • Measuring operating force, travel of speed lever
    • Measuring stall speed
    • Measuring torque converter, transmission, parking brake oil pressure
    • Method of operating emergency manual spool
    • Measuring clearance between tyre and wheel
    • Measuring operating force of steering wheel
    • Measuring steering oil pressure
    • Measuring operating force, travel of brake pedal
    • Measuring brake performance
    • Testing brake oil pressure
    • Measuring brake disc wear
    • Bleeding air from brake system
    • Measuring parking brake performance
    • Method of manual release of parking brake
    • Testing wear of parking brake disc
    • Measuring work equipment control lever
    • Measuring PPC valve pressure
    • Measuring work equipment
    • Testing and adjusting bucket positioner
    • Testing and adjusting boom kick-out
    • Adjusting main monitor (speedometer modul)
    • Checking for abnormality in fuel level sensor
    • Troubleshooting
    • Points to remember when troubleshooting
    • Sequence of events in troubleshooting
    • Precautions when carrying out maintenance
    • Handling connectors
    • Checks before troubleshooting
    • Method of using troubleshooting charts
    • Connector types and mounting locations, connector pin arrangement diagram
    • Connection table for connector pin numbers
    • Troubleshooting of engine system (S mode)
    • Troubleshooting of main monitor system (M mode)
    • Troubleshooting of maintenance monitor system (K mode)
    • Troubleshooting of electrical system (E mode)
    • Troubleshooting of transmission controller system (A mode)
    • Troubleshooting of hydraulic and mechanical system (Chassis related) (T mode)
    • Troubleshooting of ECSS (Electronically Controlled Suspension System) (D mode)
  • 30 Disassembly and assembly
    • Method of using manual
    • Precautions when carrying out operation
    • Special tool list
    • Starting motor
    • Alternator
    • Engine oil cooler
    • Fuel injection pump
    • Water pump
    • Turbocharger
    • Thermostat
    • Cylinder head
    • Torque converter charging pump
    • Torque converter, transmission
    • Torque converter
    • Tranmission
    • Transmission clutch pack
    • Parking brake
    • Transmission control valve
    • Transmission accumulator valve
    • Drive shaft
    • Front axle
    • Rear axle
    • Front differential
    • Rear differential
    • Differential
    • Final drive
    • Center hinge pin
    • Steering, orbit roll
    • Steering valve
    • Steering, switch pump
    • Steering cylinder
    • Brake valve
    • Right brake valve (tandem)
    • Left brake valve (single)
    • Slack adjuster
    • Brake
    • Parking brake disc
    • Hydraulic tank
    • Work equipment, PPC pump
    • PPC valve
    • Main control valve
    • Bucket cylinder
    • Boom cylinder
    • Hydraulic cylinder
    • Work equipment
    • Counterweight
    • Fuel tank
    • Cab
    • Main monitor
    • Maintenance monitor
    • Air conditioner unit
    • Air conditioner condenser
    • Dry receiver
    • Air conditioner compressor
  • 40 Maintenance standard
    • Engine mount, transmission mount
    • Torque converter
    • Transmission
    • Transmission control valve
    • Drive shaft
    • Diffential
    • Final drive
    • Axle mount
    • Steerig column, orbit roll
    • Steering valve
    • Steering cylinder mount
    • Slack adjuster
    • Brake valve
    • Brake
    • Parking brake
    • Torque converter, transmission pump
    • Steering, switch pump
    • Hydraulic, PPC pump
    • PPC valve
    • Cut-off valve
    • Main control valve
    • Boom cylinder
    • Bucket cylinder
    • Center hinge pin
    • Work equipment linkage
    • Bucket
    • Bucket positioner and boom kick-out
Language
English
Document type
Shop manual
Machinery type
wheel loader
KOMATSU-VEBM470104-preview.pdf - 942.86KB

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