Komatsu 125E-5 SERIES Engine Shop Manual

Structure, function and maintenance standard, Part 1
General structure
Air intake and exhaust
Air cleaner
Turbocharger
EGR system
Cylinder head
Cylinder
Cylinder liner
Main moving parts
Crankshaft
Camshaft
Cam follower and push rod
Piston, piston ring and piston pin
Connecting rod
FITNheel and flywheel housing
Vibration damper
Timing gear
Valve system
Valve and valve guide
Rocker arm and shaft
Crosshead and guide
Structure, function and maintenance standard, Part 2
Lubrication system
Lubrication system diagram

Oil pump
Main relief valve
EGR oil pump
Oil filter
Safety valve
Oil cooler
Fuel system
CRI system diagram
Outline of CRI system
Fuel piping
Fuel cooler
Fuel filter
Electric priming pump
Engine controller cooler
Cooling system
Cooling system diagram
Water pump
Thermostat
Corrosion resistor
Electrical equipment
Alternator
Starting motor
Electrical intake air heater
Engine controller

SEN00177-13