Komatsu Skid Steer Loader SK1026-5N service & repair manual

Description Komatsu Skid Steer Loader SK1026-5N service & repair manual

Komatsu Skid Steer Loader SK1026-5N pdf workshop service repair manual + operation & maintenance manual

Serial number A80001 and up

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

MANUAL CONTENT:
GENERAL
TECHNICAL DATA
Standard Machine Overall Dimensions
Overall Dimensions With Bucket
Machine Overall Dimensions With Optional Equipment
Machine Overall Dimensions with Backhoe
Machine Overall Dimensions with Cold Planer
Machine Overall Dimensions with Pallet Forks
Machine Overall Dimensions with Grapple Fork
Machine Overall Dimensions with Snow Blade
Machine Overall Dimensions with Mixing Bucket
Machine Overall Dimensions with Sweeper
Technical Characteristics
Total Mass
Bucket Capacity
Engine
Electrical System
Speed
Tires
WEIGHT TABLE
FUEL, COOLANT AND LUBRICANTS
Proper Selection Of Fuel, Coolant And Lubricants
Lubrication with Grease
Performing KOWA (Komatsu Oil Wear Analysis)
HOMOLOGATED (HEES) SYNTHETIC BIODEGRADABLE
LUBRICANTS
SPECIFIC DRIVING TORQUES

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
Maintenance Standards
POWER TRAIN
TRANSMISSION
FINAL DRIVE
Description
Hydraulic Motor
Function
Operation
Flushing Relief Valve
Reduction Gearing
Operating Principle
Maintenance Standards
HYDRAULIC PUMP
HST Pump LPV45 + 45
Pump Internal View
Shuttle Valve
Maintenance Standards
SAFETY VALVES
Suction Safety Valve Action
Charge Safety Valve Action
Charge Pump
ANTI ENGINE-STALL VALVE (AS VALVE)
Maintenance Standards
CONTROL VALVES
Standard 3-Spool Valve Port Location
Valve Sectional Views
Super High-Flow 4-Spool Valve Port Location
Valve Sectional Views
Standard 3-spool
Super High Flow 4-Spool
CLOSED CENTER LOAD SENSING SYSTEM
Pressure Compensation Control
Hydraulic Circuit Diagram and Names of Valves
System Series Circuit Operation
Self Leveling Function
System In Series-Parallel Circuit Operation
Pressure Compensation Valve
Dividing Function
SOLENOID VALVE
ACCUMULATOR
PARTERN CHANGE VALVE
Pattern Options Arrangement
Pattern ISO
Pattern Optional
R.H. PPC VALVE (STANDARD)
Equipment Control
R.H. PPC VALVE (PATTERN CHANGE) (OPTIONAL)
Equipment and Travel Control
L.H. PPC VALVE (STANDARD)
Travel Control
L.H. PPC VALVE (PATTERN CHANGE)
Equipment and Travel Control
Pattern Change
CYLINDERS
Boom
Bucket
WORKING EQUIPMENT
Maintenance Standards

STANDARD VALUE TABLES
STANDARD SERVICE VALUE TABLE
Standard Value Table
Engine
Chassis

TESTING AND ADJUSTING
SPECIAL TOOLS
T-ADAPTER PROCEDURES AND KITS
ENGINE COMPONENTS
Measuring Exhaust Smoke
Measuring Exhaust Temperature
Measuring Crankcase Pressure
Measuring Boost Pressure
Measuring Fuel Pressure
Bleeding Air From Fuel System
Adjusting Engine Stop Solenoid
Checking Engine Speed
Adjustment of Valve Clearance
Measurement of the Compression Pressure
Control and Adjustment of the Fan Belt Tension
Control and Adjustment of the Injection Timing
Checking Engine Oil Pressure
Adjusting the Stroke of the Accelerator Cables
ADJUSTING PPC VALVE PRESSURES
Adjusting PPC Valve
ADJUSTING SERVO-CONTROL SAFETY SENSOR
CHAIN TENSION
Test
Adjustment
HYDRAULIC SYSTEM
HYDRAULIC PUMP
CALIBRATING VALVE
HST Valve Calibration
AS Valve Calibration
Travel Deviation Check
CONTROL VALVE
SERVO-CONTROL POWER SUPPLY
RELEAVING HYDRAULIC PRESSURE
Elimination of Pressures in the Hydraulic Circuits
Elimination of Pressure in the Tank
Elimination of Pressure
BLEEDING HYDRAULIC CIRCUITS
Bleeding Air From the Pump
Bleeding Air From the Cylinders
Bleeding Air From Optional Equipment

TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
PRECAUTIONS WHEN PERFORMING MAINTENANCE
Precautions When Handling Electrical Equipment
Handling Control Box
Points to Remember When Troubleshooting Electrical Circuits
Points to Remember When Handling Hydraulic Equipment
CHECKS BEFORE TROUBLESHOOTING
Using Troubleshooting Charts
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
T-ADAPTER TABLE
TRAVEL MOTOR
Motor does not move (The supplied pressure is enough)

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS DURING OPERATION
CONNECTOR REPAIR PROCEDURES
ENGINE
ENGINE HOOD ASSEMBLY
AIR CLEANER ASSEMBLY
MUFFLER ASSEMBLY
RADIATOR ASSEMBLY
FUEL TANK ASSEMBLY
HYDRAULIC PUMP ASSEMBLY
GEAR PUMP ASSEMBLY
ENGINE-PUMP COUPLING
CONTROL VALVE
CAB HEATER ASSEMBLY
WHEEL HUB ASSEMBLY
FINAL DRIVE ASSEMBLY
CYLINDER ASSEMBLIES
WORK EQUIPMENT SYSTEM

DIAGRAMS AND SCHEMATICS
HYDRAULIC SYSTEM
ELECTRICAL SYSTEM

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