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KOMATSU 66C, 66D turbo HYDRAULIC SYSTEM WORKSHOP MANUAL – PDF DOWNLOAD
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KOMATSU 66C, 66D turbo HYDRAULIC SYSTEM WORKSHOP MANUAL – PDF DOWNLOAD
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Description
KOMATSU 66C, 66D turbo HYDRAULIC SYSTEM WORKSHOP MANUAL – PDF DOWNLOAD
FILE DETAILS:
KOMATSU 66C, 66D turbo HYDRAULIC SYSTEM WORKSHOP MANUAL – PDF DOWNLOAD
Language : English
Pages : 498
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
KOMATSU 66C, 66D turbo HYDRAULIC SYSTEM WORKSHOP MANUAL – PDF DOWNLOAD
SUB GROUP 1: Working (Loader) Hydraulics
- Illustrations and Diagrams
- Illustrations of the individual components.
- Hydraulic diagram of working hydraulics with servo control and steering circuits.
- Hydraulic diagram with 3-spool control valve and related electrical system.
- Descriptions
- Functional description of the hydraulic system.
- Control spool valve: Description and arrangement of the connections.
- Cross-sectional view of the 3-spool control valve.
- Secondary pressure relief valve (shock valve): Description and arrangement of the connections.
- Demand/regulating valve: Description, arrangement of the connections, and functional description.
- Pressure relief valve (servo control): Description and arrangement of the connections.
- Servo control valve:
- Description and arrangement of the connections.
- Cross-sectional view of the 3-spool servo control valve.
- Pipe connection block for servo control valve (standard and 3-spool versions).
- Directional valve: Description and arrangement of the connections.
SUB GROUP 2: Fault Diagnosis and Remedies
- Fault diagnosis for working (loader) hydraulics and possible remedies.
SUB GROUP 3: Testing and Adjustments
- Control Spool Valve
- Secondary pressure relief valve (shock valve): Testing (Test Methods 1 and 2).
- 2-stage pressure relief valve: Pressure testing and adjustment.
- Spool valve stroke limiters: Adjustment.
- Pressure Valve Group
- Adjustment of pressure valves in the float valve (emergency lowering).
- Demand/Regulating Valve
- Regulating pressure: Testing and adjustment.
- Pressure relief valve: Testing and adjustment.
- Servo Control Valve
- Adjustment of “Tip-in” and “Dump-out” switches.
- Lift (Loader) and Bucket Cylinders
- Leakage tests (Test Methods 1, 2, and 3).
- Measuring flow capacities.
SUB GROUP 4: Component Removal, Refitting, and Reconditioning
- Oil Tank
- Removing and refitting.
- External fittings: Removing and refitting.
- Hydraulic Pump (Loader and Servo Control)
- Removing, refitting, and reconditioning.
- External fittings: Removing and refitting.
- Control Spool Valve
- Removing, refitting, and reconditioning.
- Secondary pressure relief valve (shock valve): Reconditioning.
- 2-stage pressure relief valve, float valve, spool group, and spool valve stroke limiters: Reconditioning.
- Return Flow Manifold
- Removing, refitting, and reconditioning.
- Demand/Regulating Valve
- Complete valve: Removing, refitting, and reconditioning.
- Regulating valve and check valve: Reconditioning.
- Spool control in regulating valve: Reconditioning.
- Directional Valve
- Removing, refitting, and reconditioning.
- Lift (Loader) and Bucket Cylinders
- Removing, refitting, and reconditioning (Versions 1 and 2).
- Piston rod packing seal (Types 1, 2, and 3): Fitting.
- Application of “Loctite” to piston rod threads.
SUB GROUP 5: Technical Data
- Torque Tightening Limits
- For lift and bucket cylinders.
S.S 13/12/24
