Komatsu PC50UU-2 Shop Manual Excavator SEBM000906 manuals in PDF

Factory Shop Manual For Komatsu Excavator. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 828
Number: SEBM000906 (march 2002)
Bookmarks: Yes
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes

Model

Komatsu Excavator
PC50UU-2
Serial No. 8001 and up

Contents

-SAFETY
Safety Notice
-FOREWORD
General
How To Read The Shop Manual
Hoisting Instructions
Method of Disassembling, Connecting Push-Pull Type Coupler
Coating Materials
Standard Tightening Torque
Electric Wire Code
Conversion Table
Units
-GENERAL
General Assembly Drawing
Specifications
Weight Table
List of Lubricant and Water
-STRUCTURE AND FUNCTION
Power Train System
PTO
Swing Machinery
Swing Circle
Track Frame
Hydraulic Piping Diagram
Hydraulic Tank
Main Pump
5-Spool Control Valve
6-Spool Control Valve
4-Spool Control Valve
5-Spool Control Valve Swing Motor
Center Swivel Joint
Travel Motor
Valve Control
PPC Valve
Solenoid Valve, EPC Valve
Work Equipment
Electric Wiring Diagram
Four System (4 System)
Machine Monitor System
Fuel Control (One Touch Deceleration System)
-TESTING AND ADJUSTING
Table Of Judgment Standard Value
Standard Value Table For Electrical Parts
Tools For Testing, Adjusting, And Troubleshooting
Measuring Engine Speed
Measuring Engine Oil Pressure
Measuring Compression Pressure
Adjusting Valve Clearance
Adjusting Fuel Injection Timing
Testing And Adjusting Alternator Fan Belt Tension
Adjusting Fuel Control Lever
Adjusting The Fuel Control Linkage
Testing And Adjusting Track Shoe Tension
Testing Wear Of Sprocket
Testing And Adjusting Hydraulic Pressure In Work Equipment, Swing, Travel Circuit
Testing Control Circuit Pressure
Measuring Output Pressure Of PPC Valve
Adjusting PPC Valve
Measuring Outlet Port Pressure Of Solenoid Valve, EPC Valve
Measuring Oil Leakage Inside Cylinder
Testing Travel Deviation
Measuring Oil Leakage from Swing, Travel Motor
Bleeding Air
Releasing Remaining Pressure from Hydraulic Circuit
Adjusting Blade Control Lever
Adjusting Travel Control Lever
Procedure for Resetting Electrical System Input/Output Signals and Checking Operation; Serial No.: 8001 – 12771
Procedure for Resetting Electrical System Input/Output Signals and Checking Operation; Serial No.: 12772 – 14992
Procedure for Adjustment When Installing Long Arm, Slide Arm
Procedure for Replacing Potentiometer
Procedure for Checking Diode
Troubleshooting
-DISASSEMBLY AND ASSEMBLY
Method Of Using Manual
Precautions When Carrying Out Operation
Special Tool List
Sketches Of Special Tools
Starting Motor
Alternator
Fuel Injection Pump
Water Pump
Thermostat
Nozzle Holder
Cylinder Head
Damper
Radiator And Hydraulic Oil Cooler
Hydraulic Oil Cooler
Engine
Swing Circle
Swing Machinery And Swing Motor
Swing Motor And Swing Machinery
Swing Motor and Swing Machinery
Swing Motor (LMF16AB – Serial No.: 14993 and Up)
Revolving Frame
Counterweight
Sprocket
Idler and Recoil Spring
Idler
Recoil Spring
Carrier Roller
Track Roller
Rubber Shoe
Steel Shoe
Main Pump
PPC Pump
4-Spool Control Valve
Main Relief Valve for 4-Spool Control Valve
5-Spool Control Valve
Main Relief Valve for 5-Spool Control Valve
Left Work Equipment PPC Valve
Right Work Equipment PPC Valve
Work Equipment PPC Valve
Offset PPC Valve
Swing Motor
Travel Motor
GM05VL Serial No. 8001 – 14992
GM06VL Serial No. 14993 and Up Center Swivel Joint
Boom Cylinder
Arm Cylinder
Bucket Cylinder
Offset Cylinder
Blade Cylinder
Hydraulic Cylinder
1st Boom
2nd Boom
Bucket and Arm
Arm
Bucket
Work Equipment
Blade
Operator’s Cab
Floor Frame
Fuel Tank
Controller
Monitor
-MAINTENANCE STANDARD
Swing Machinery
Swing Circle
Track Frame, Recoil Spring
Idler
Track Roller
Carrier Roller
Sprocket
Track Shoe
Hydraulic Pump
5-Spool Control Valve
6-Spool Control Valve
4-Spool Control Valve
5-Spool Control Valve Swing Motor
Center Swivel Joint
PPC Valve
Hydraulic Cylinder
Work Equipment
-OTHER
Hydraulic Circuit Diagram (Serial No.: 8001 – 12771)
Hydraulic Circuit Diagram (Serial No. 12772 – 14992)
Hydraulic Circuit diagram (Serial No.: 14993 and UP)
Electric Circuit Diagram (Serial No.: 8001 – 8585)
Electric Circuit Diagram (Serial No.: 8586 – 12771)
Electric Circuit Diagram (Serial No.: 12772 – 14992)
Electric Circuit Diagram (Serial No.: 14993 and Up)

What you get

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