Komatsu WA100M-5 and WA90-5 4WD Wheeled Loaders (Germany) Workshop Manual (VEBM270100)

Illustrated factory Workshop Manual for Komatsu 4WD Wheeled Loaders Models WA100M-5 and WA90-5.

This manual will assist you in diagnosing, repairing, and adjusting for your 4wd wheeled loader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models (Germany):
   WA100M-5 (SN: 50051-)
   WA90-5 (SN: 50051-)

Format: PDF, 301 pages
Language: English
Table of Contents:
   SAFETY
      Safety notice
      Foreword
      How to read the shop manual
      Hoisting instructions
   GENERAL
      Dimensions, weights and operating data WA90-5
      Specifications WA90-5
      Weight table WA90-5
      Dimensions, weights and operating data WA100M-5
      Specifications WA100M-5
      Weight table WA100M-5
      Lubricants and operating mediums: WA90-5
      Lubricants and operating mediums: WA100M-5
      Basic procedures of maintenance
      Torque list - screws and nuts
   STRUCTURE AND FUNCTION
      Steering system
      Powertrain
      Closed circuit
      Hydraulic drive system
      Variable displacement pump
      Variable displacement motor
      Drive shaft
      Axle mounting - front axle
      Axle mounting - rear axle
      Front axle
      Rear axle with transfer box
      Transfer box TB172
      Limited slip differential
      Locking differential
      Wheel hub, front and rear axle
      Service brake, front axle
      Parking brake, front axle
      Service and parking brake circuit
      Service brake assembly
      Main-brake Valve
      Steering articulation joint
      Work equipment hydraulic
      PPC-Valve
      Main control valve
      WA90-5: Lift cylinder
      WA100M-5: Lift cylinder
      WA90-5: Dump cylinder
      WA100M-5: Dump cylinder
      Steering cylinder
      Loader Linkage with quick-coupler
      Quick-coupler
      Monitor display
      Sensors
      Ribbon heater
      Engine stop / start / preheating circuit
      Electrical fuses and relays
      Electrical diagrams
      Air conditioner (option)
   TESTING AND ADJUSTING
      Standard value table for engine - WA90-5 / WA100M-5
      Standard value table for chassis - WA90-5
      Standard value table for chassis - WA100M-5
      Standard value table for electrical parts
      Test certificate - WA90-5
      Test certificate - WA100M-5
      Valve lash clearance
      Engine compression test
      Injection nozzle pressure
      Fuel injection timing
      V-belt tension
      Engine RPM
      RPM-dependant drive take-up
      Engine stall torque RPM
      Feed pump and servo oil pressure
      Hydraulic pressure cut-off
      Working hydraulic pressure
      Steering oil pressure
      Pressure Accumulator
      Operating time for steering wheel
      Operating force of steering wheel
      Disc brake
      Inch valve - basic adjustment
      Brake efficiency
      Parking brake efficiency
      Travel speed
   DISASSEMBLY AND ASSEMBLY
      Comments
      Starter assembly
      Alternator assembly
      Water pump assembly
      Engine cover assembly
      Engine cover support assembly
      Engine assembly
      Clutch assembly
      Radiator assembly
      Fan assembly
      Main brake cylinder assembly
      Priority valve assembly
      Orbit-roll-valve assembly
      Counterweight assembly
      Main control valve assembly
      Pilot valve assembly
      Monitor assembly
      Articulated joint assembly
      Variable motor assembly
      Rear axle assembly
      Front axle assembly
      Front axle
      Brake caliper
      Rear axle
      Variable displacement pump assembly
      Hydraulic pump assemblies
      Turbocharger assembly
      Quick-attach coupler assembly
      Steering cylinder assembly
      Lift cylinder assembly
      Dump cylinder assembly
      Replacing windows in driver’s cab
   OTHERS
   Hydraulic circuit diagram 1/3
   Hydraulic circuit diagram 2/3
   Hydraulic circuit diagram 3/3
   Wiring diagram 1/5
   Wiring diagram 2/5
   Wiring diagram 3/5
   Wiring diagram 4/5
   Wiring diagram 5/5
   Wiring diagram, Speed control
   Wiring diagram, Immobilizer