Komatsu Mini Excavator PC22MR-3 service & repair manual

Description Komatsu Mini Excavator PC22MR-3 service & repair manual

Komatsu Mini Excavator PC22MR-3 pdf workshop service repair manual

Serial numbers:
F30001 and up

Technical documentation, specifications, testing, adjusting, troubleshooting, maintenance, electrical diagrams, hydraulic schematics, assembly, disassembly, removal, installation instructions and other information

MANUAL CONTENT:
Index and foreword
Foreword and general information
Safety notice
How to read the shop manual
Explanation of terms for maintenance standard
Handling of hydraulic components
Method of disconnecting and connecting push-pull type coupler
Handling of electric equipment
How to read electric wire code
Precautions when performing work
Standard tightening torque table
List of abbreviation
Conversion table

Specification
Specification dimension drawing
Working range drawing
Weight table
Table of fuel, coolant and lubricants

Structure and function
PTO
Cooling system
Power train
Swing circle
Track frame
Idler cushion
Idler
Track roller
Sprocket
Track shoe
Rubber shoe
Hydraulic components layout drawing
Hydraulic tank and filter
Center swivel joint
Travel motor
Reduction gear unit
Hydraulic motor
Hydraulic valve
Parking brake
Hydraulic cylinder
Solenoid valve
2nd travel speed selector solenoid valve PPC lock solenoid valve
Hydraulic pump
Control valve
General view
CLSS
Outline of CLSS
Operation for each function and valve
Swing motor
Reduction gear unit
Hydraulic motor
Swing holding brake
PPC valve
L.H. PPC valves
R.H PPC valves
Travel PPC valve
Blade, boom swing and attachment PPC valve
Work equipment
Dimensions of each part of work equipment
Bucket section
Floor
Tilt floor

Standard value table
Standard value table for engine
Standard value table for chassis
Performance of hydraulic pump
Posture of machine for measuring performance and measurement procedure

Testing and adjusting
List of testing, adjusting, and troubleshooting tools
Measuring engine speed
Adjusting valve clearance
Measuring compression pressure
Measuring engine oil pressure
Testing and adjusting fuel injection timing
Bleeding air from fuel circuit
Testing and adjusting fan belt tension
Adjusting fuel control lever linkage
Measurement of clearance in swing circle bearings
Testing and adjusting track shoe tension
Testing and adjusting oil pressures in work equipment, travel, swing, and blade circuits
Measuring control circuit basic pressure
Testing and adjusting pump LS differential pressure
Measuring solenoid valve output pressure
Measuring PPC valve output pressure
Measuring swing holding brake release pressure
Measurement of oil leakage from cylinder
Releasing residual pressure from hydraulic circuit
Bleeding air from cylinder
Pressurizing hydraulic tank
How to open and close (tilt) floor
Inspection procedures for diode
How to start operation of KOMTRAX terminal
Lamp display of KOMTRAX terminal
Preparation work for troubleshooting of electrical system

Troubleshooting
General information on troubleshooting
Points to remember when troubleshooting
Sequence of events in troubleshooting
Check before troubleshooting
Classification and troubleshooting steps
Probable problems and troubleshooting No
Connection table for connector pin numbers
T- branch box and T- branch adapter table
Troubleshooting of electrical system (E-mode)
Troubleshooting of hydraulic and mechanical system (H-mode)
Troubleshooting of machine monitor system (M-mode)

Disassembly and assembly
How to read this manual
Coating materials list
Special tool list
Removal and installation of fuel injection pump assembly
Removal and installation of radiator and hydraulic oil cooler assembly
Removal and installation of engine and hydraulic pump assembly
Removal and installation of swing circle assembly
Removal and installation of track shoe assembly
Disassembly and assembly of idler assembly
Disassembly and assembly of recoil spring
Disassembly and assembly of track roller assembly
Removal and installation of floor frame assembly
Removal and installation of revolving frame assembly
Disassembly and assembly of control valve assembly
Removal and installation of center swivel joint assembly
Disassembly and assembly of center swivel joint assembly
Removal and installation of swing motor and swing machinery assembly
Disassembly and assembly of hydraulic cylinder assembly
Removal and installation of work equipment assembly
Removal and installation of KOMTRAX station (for canopy)
Removal and installation of KOMTRAX station (for cab)

Diagrams and drawings
Hydraulic diagram
Electrical diagram