Komatsu SK12SR-3 Shop Manual S5PA0013E01

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Komatsu SK12SR-3 Shop Manual S5PA0013E01

$40.00

Type Of Manual: Shop Manual
Manual ID: S5PA0013E01
Format: PDF
Size: 46.2MB
Number of Pages: 384

Category: Komatsu Shop Manual PDF

Model List:
- SK12SR-3

1. Cover
2. CONTENTS
3. General Cautions for Maintenance Work
3.1. Correct Work
3.2. Safety Precautions
3.3. Preparations
3.4. Cautions for Disassembly and Reassembly
3.5. Cautions for Removal and Installation of Hydraulic Equipment
3.6. Cautions for Removal and Installation of Hydraulic Piping
3.7. Cautions for Handling Seals
3.8. Correct Installation of Hydraulic Hose
3.9. Specifications of Hydraulic Hose
3.10. Air Release of Hydraulic Equipment
4. Technical Data
4.1. Specifications
4.2. Outline Drawing and Working Area
4.3. Weight List of Main Parts
4.4. Lifting Capacity List
5. Service Standards
5.1. Machine Performance
5.2. Engine
5.3. Undercarriage
5.3.1. Rubber Crawler Specifications
5.4. Controls
5.5. Hydraulic Equipment
5.5.1. Hydraulic Cylinders
5.6. Implement
5.6.1. Front Attachments
5.6.2. Blade Moving Device
5.6.3. Bucket Teeth
5.7. List of Tightening Torque
5.7.1. Machine
5.7.2. Engine
5.7.3. Tightening Torque for General Bolts and Nuts
6. Engine
6.1. Exploded View (General layouts of major engine components)
6.2. Measurement, Inspection and Adjustment
6.2.1. Measuring the Compression Pressure
6.2.2. Adjusting the Valve Clearance
6.2.3. Checking the Vbelt Tension
6.2.4. Checking the Fuel Injection Valve
6.2.5. Checking and Adjusting Fuel Injection Timing
6.2.6. Adjusting the Maximum (or Minimum) Idling Speed
6.2.7. Checking the Cooling Water System and Radiator for Water Leakage
6.2.8. Checking the Sensors
6.3. Measurement Procedure, Service Data and Corrective Action
6.3.1. Cylinder Head
6.3.2. Cylinder Block
6.3.3. Valve Rocker Arm
6.3.4. Piston and Piston Rings
6.3.5. Connecting Rod
6.3.6. Cam shaft
6.3.7. Crank shaft
6.3.8. Gears
6.3.9. Trochoid Pump
6.4. Precautions for Reassembly
6.5. Electrical Equipment
6.5.1. Starter Motor
6.5.2. Alternator
7. Hydraulic System
7.1. Outline
7.1.1. Control Valve Operation
7.2. Hydraulic Circuit Schematic
7.3. Circuit Operation
7.3.1. Boom
7.3.3. Bucket
7.3.4. Swing
7.3.5. Boom Swing
7.3.6. Blade
7.3.7. Travel
7.3.8. Track Gauge Change
7.3.9. Simultaneous Operation of Travel and Blade
7.3.10. Simultaneous Operation of Boom Up and Bucket
7.3.11. Hydraulic P.T.O.
7.3.12. Safety Lock
7.4. Pressure Adjustment
7.4.1. System Relief Valves
7.4.2. Circuit Relief Valves
7.4.3. Swing Brake Valve
7.4.4. CutOff Valve
8. Hydraulic Equipment
8.1. Hydraulic Pump
8.2. Control Valve
8.3. Pilot Valve
8.4. Cutoff Valve
8.5. Swing Motor
8.6. Travel Motor
8.7. Solenoid Valve
9. Adjustment and Repair
9.1. Electrical Equipment and Engine of Machine
9.1.1. Parts Layout of Electrical Equipment
9.1.2. Monitor and Alarm Systems
9.1.3. Wiring Diagram
9.1.4. Circuit Description of Engine Start and Stop
9.1.5. Removal and Reinstallation of Engine
9.1.6. Removal and Reinstallation of Starter Motor
9.1.7. Removal and Reinstallation of Fuel Injection Pump
9.1.8. Removal and Reinstallation of Fuel Tank
9.1.9. Removal and Reinstallation of Radiator
9.2. Undercarriage
9.2.1. Outline
9.2.2. Points of Reassembly
9.2.3. Removal and Reinstallation of Crawler
9.2.4. Disassembly and Reassembly of Idler
9.2.5. Disassembly and Reassembly of Track Roller
9.2.6. Removal and Reinstallation of Track Gauge Change Cylinder
9.3. Controls
9.3.1. Control Train
9.3.2. Mechanical Control Linkage
9.3.3. Adjustment of Travel and Blade Levers
9.3.4. Adjustment of Boom Swing and P.T.O. Pedals and P.T.O. Pedal Lock
9.3.5. Lock Lever Switches
9.3.6. Adjustment of Travel Lever Lock
9.3.7. Adjustment of Accelerator Lever
9.4. Swing Bearing
9.4.1. Removal and Reinstallation of Swing Bearing
9.5. Hydraulic Equipment
9.5.1. Removal and Reinstallation of Hydraulic Oil Pump
9.5.2. Removal and Reinstallation of Control Valve
9.5.3. Removal and Reinstallation of Swing Motor
9.5.4. Removal and Reinstallation of Swivel Joint
9.5.5. Disassembly and Reassembly of Swivel Joint
9.5.6. Disassembly and Reassembly of Hydraulic Cylinders
9.5.7. Removal and Reinstallation of Boom Swing Cylinder
9.5.8. Removal and Reinstallation of Hydraulic Oil Tank
9.5.9. Piping Layout
9.6. Implement
9.6.1. Removal and Reinstallation of Implement
10. Periodic Inspection and Servicing
10.1. List of Periodic Inspection and Servicing
11. Fuel, Lube Oil and Grease Recommended
12. Troubleshooting
12.1. NonBreakdowns
12.1.1. Natural Release of Bucket
12.1.2. Discontinuous Arm Movement
12.1.3. Drifting of Upperstructure on Quick Travel Operation
12.1.4. Thermal Shock of Travel Motor
12.1.5. Change of Blade Speed in Loaded Condition
12.1.6. Time Lag on Travel Speed Switching
12.1.7. Fluctuation in Oil Level of Hydraulic Oil Tank Due to Temperature Change
12.2. Troubleshooting
12.2.1. Machine and Engine
12.2.2. Electrical Equipment on Panel
13. Reference Data
13.1. Specifications for Attachment

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