Link Belt 250X4-MH Material Handler, 250X4 SL Scrap Loader Service Manual

Link Belt 250X4-MH Material Handler, 250X4 SL Scrap Loader Service Manual

Format: PDF (Printable Document)

File Language: English

File Pages: 2229

File Size: 112.76 MB (Speed Download Link)

Brand: Link Belt

Model: 250X4-MH Material Handler, 250X4 SL Scrap Loader

Type of Document: Service Manual

Category: PDF

$ 40

Link Belt 250X4-MH Material Handler, 250X4 SL Scrap Loader Service Manual

📘 Show Index

Link Belt 250X4-MH Material Handler, 250X4 SL Scrap Loader Index:

MATERIAL HANDLER
SAFETY
- Safety, general information and standard torque data
- General Information
  - Safety
  - ROPS
- Standard Torque Data For Cap Screws And Nuts
  - Bolt and Nut Tightening
- Removal of Under Cover
- Protection of Electric/Electronics System During Charging or Welding
A. LOWER
- Main Equipment Table
  - Lower Component
- Main Equipment Structure and Operation Explanation
  - Travel Motor
- Port Diagram
  - Travel Motor
  - Center Joint
- Basic Functions
  - Travel Speed Selection
  - Travel Alarm
- Removal and Installation of Track
  - Removal and Installation of Shoe Assembly
  - Removal and Installation of Shoe Plate
- Removal and Installation of Roller
  - Removal and Installation of Upper Roller
  - Assembly and Disassembly of Upper Roller
  - Removal and Installation of Lower Roller
  - Assembly and Disassembly of Lower Roller
- Removal and Installation of Drive Sprocket
  - Removal of Drive Sprocket
  - Installation of Drive Sprocket
- Removal and Installation of Take-up Roller
  - Removal of Take-up Roller
  - Installation of Take-up Roller
- Assembly and Disassembly of Take-up Roller
  - Configuration Diagram
  - Dimension Diagram
  - Jig Dimension Diagram
  - Disassembly Procedures
  - Assembly Procedures
- Removal and Installation of Grease Cylinder
  - Removal of Grease Cylinder
  - Installation of grease cylinder
- Assembly and Disassembly of Tension Shock Absorber
  - Configuration Diagram
  - Dimension Diagram
  - Jig Dimension Diagram
  - Disassembly procedures
  - Assembly procedures
- Removal and Installation of Center Joint
  - Removal of Center Joint
  - Installation of Center Joint
- Assembly and Disassembly of Center Joint
  - Configuration Diagram
  - Dimension Diagram
  - Jig Dimension Diagram
  - Disassembly Procedures
  - Assembly Procedures
- Removal and Installation of Travel Motor
  - Removal of Travel Motor
  - Installation of Travel Motor
- Assembly and Disassembly of Travel Motor
  - Tools for Assembly and Disassembly
  - Motor Disassembly Procedures
  - Maintenance Standards
  - Motor Assembly Procedures
  - Troubleshooting
  - Structural Diagram
- Maintenance Standards
  - Drive sprocket
  - Take-up roller
  - Upper roller
  - Lower Roller
  - Track Shoe
  - Inspection Gauge
- Pressure Measurement and Adjustment Procedures
  - Main Pressure Measurement
- Drain Volume Measurement Procedures
  - Preparations
  - Travel Motor Drain Volume Measurement
- Air Bleed Procedure
  - Travel Motor
B. C. SWING UNIT, COUNTERWEIGHT
- Main Equipment Table
  - Upper Component
- Main Equipment Structure and Operation Explanation
  - Swing Motor
- Port Diagram
  - Swing Motor
- Basic Functions
  - Swing brake
  - Swing Lock
  - Swing Speed Limit
  - Swing Relief Cut
  - Free Swing (Option)
- Removal and Installation of Swing Unit
  - Removal of Swing Unit
  - Installation of Swing Unit
- Assembly and Disassembly of Swing Unit
  - Disassembly
  - Assembly
  - Swing Reduction Gear Breakdown Diagram
  - Swing Reduction Gear Structure Diagram
- Removal and Installation of Counterweight
  - Removal of Counterweight
  - Installation of Counterweight
- Pressure Measurement and Adjustment Procedures
  - Main Pressure Measurement
- Drain Volume Measurement Procedures
  - Preparations
  - Swing Motor Drain Volume Measurement
- Air Bleed Procedure
  - Swing Motor
H. ENGINE
- Main Equipment Table
  - Engine-related
- Basic Functions
  - Fuel Gauge
  - Coolant Temperature Gauge
  - SCR Gauge
  - Fuel Economy Gauge
  - Neutral start
  - Power-cut Delay
  - Preheat
  - Throttle
  - Throttle Volume Position Detection
  - Idle start
  - Auto Idle
  - One-touch Idle
  - Auto Warm-Up
  - Idle Shutdown
  - Idle up
  - Work Mode Control
  - Engine Emergency Stop
  - SCR RE-GEN
  - Inducement
  - Feed Pump Automatic Stop
  - Coolant Level Decrease
  - Air Filter Clogging
  - Fuel Filter Clogging
  - Battery Charge Abnormality
  - Horsepower Reduction Control (in Uplands)
  - Horsepower Reduction Control (at Engine Failure)
- Main Data
- Function, Structure, Operation
- Function, structure, operation (SCR)
- SCR Control System Inspection
- Explanation of SCR Operation
- Diagnosis for Each Symptom
  - Intermittent conditions of urea selective catalytic reduction system
  - Urea fluid consumption too high
  - Ammonia smell noticeable
  - White crystalline powder visible
- Diagnosis for Each Symptom
  - Engine Start Problems
  - Engine Stalling
  - Engine Hunting, Rough Idling
  - Excess Amount of White Smoke in Exhaust Gas
  - Excess Amount of Black Smoke in Exhaust Gas
  - Abnormal Noise
  - High Fuel Consumption
  - High Oil Consumption
  - Engine Output Deficiency
- Functional Inspection
  - Engine Compression Pressure Inspection
  - Fuel System Inspection
  - Lubrication system check
  - Air intake system inspection
  - Exhaust system inspection
  - Inspection of EGR Control System
  - Start System Inspection
  - Glow control system check
  - OBD system check
  - Inspection of the monitor warning light illumination circuit system
  - Inspection of the monitor warning light blinking circuit system
  - Inspection of the starter circuit system
- Removal and Installation of Engine Assembly
  - Removal of Engine Assembly
  - Installation of Engine Assembly
- Removal and Installation of Fuel Cooler, Engine Intercooler, Radiator, and Oil Cooler
  - Removal and Installation of Fuel Cooler
  - Removal and Installation of Engine Intercooler
  - Removal and Installation of Radiator
  - Removal and Installation of Oil Cooler
- Removal and Installation of Turbo Charger
  - Removal of Turbo Charger
  - Installation of Turbo Charger
  - Inspection of Turbo Charger
- Removal and Installation of EGR Valve (if equipped)
  - Removal of EGR Valve
  - Installation of EGR Valve
  - Inspection of EGR Valve
- Removal and Installation of Engine Hood
  - Removal of Engine Hood
  - Installation of Engine Hood
- Removal and Installation of SCR
  - Removal of SCR
  - Installation of SCR
- Removal and installation of Silicon Controlled Rectifier Catalyst
  - Removal of Silicon Controlled Rectifier Catalyst
  - Installation of Silicon Controlled Rectifier Catalyst
  - Disassembly of Silicon Controlled Rectifier Catalyst
  - Assembly of Silicon Controlled Rectifier Catalyst
  - Inspection of Silicon Controlled Rectifier Catalyst
- Removal and Installation of Cylinder Head Cover
  - Cylinder head cover Removal
  - Installation of Cylinder Head Cover
  - Removal and Installation of Cylinder Head
- Removal and Installation of Cylinder Block
  - Removal of Cylinder Block
  - Installation of Cylinder Block
  - Inspection
- Lubrication System
  - Removal and Installation of Oil Pan
  - Removal and Installation of Oil Level Switch
  - Removal and Installation of Oil Pump Assembly
  - Engine oil Inspection
  - Removal and Installation of Oil Port Cover
- Cooling System
  - Removal and Installation of Water Pump Assembly
  - Removal and Installation of Thermostat
  - Inspection of Coolant
  - Inspection of Cooling Fan Belt
  - Removal and Installation of Overheat Switch
- Induction System
  - Inspection of Air Cleaner Element
- Exhaust System
  - Removal and installation of Oxidation Catalyst Assembly
- Aux. Emission Control Devices System
  - Removal and installation of Dosing Module
  - Removal and installation of DEF Supply Module
  - Removal and installation of Coolant Control Valve
  - Removal and Installation of DCU
  - Removal and installation of DEF Supply Module Filter
- Removal and Installation of Exhaust Manifold
  - Removal of Exhaust Manifold
  - Installation of Exhaust Manifold
  - Inspection
- Removal and Installation of Fuel Tank
  - Removal of Fuel Tank
  - Installation of fuel tank
- Removal and Installation of Urea Pump
  - Removal of Urea Solution Pump
  - Installation of Urea Pump
- Removal and Installation of Urea Solution Tank
  - Removal of DEF Tank
  - Installation of Urea Solution Tank
- Removal and Installation of Fuel Supply Pump
  - Removal of Fuel Supply Pump
  - Installation of Fuel Supply Pump
- Removal and Installation of Common Rail Assembly
  - Removal of Common Rail Assembly
  - Installation of Common Rail Assembly
- Removal and Installation of Injector
  - Removal of Injector
  - Installation of Injector
- Removal and installation of Idle Gear
  - Removal of Idle Gear
  - Installation of Idle Gear
  - Inspection of Idle Gear
- Removal and installation of Inlet Cover
  - Removal of Inlet Cover
  - Installation of Inlet Cover
- Removal and installation of Crankshaft
  - Removal of Crankshaft
  - Installation of Crankshaft
  - Disassembly of Crankshaft
  - Assembly of Crankshaft
  - Inspection of Crankshaft
- Removal and installation of Piston
  - Removal of Piston
  - Installation of Piston
  - Disassembly of Piston
  - Assembly of Piston
  - Inspection of Piston
- Removal and installation of Camshaft
  - Removal of Camshaft
  - Disassembly of Camshaft
  - Installation of Camshaft
  - Assembly of Camshaft
  - Inspection of Camshaft
- Removal and installation of Flywheel
  - Removal of Flywheel
  - Installation of Flywheel
  - Inspection of Flywheel
- Removal and installation of Crankshaft Front Oil Seal
  - Removal of Crankshaft Front Oil Seal
  - Installation of Crankshaft Front Oil Seal
- Removal and installation of Crankshaft Rear Oil Seal
  - Removal of Crankshaft Rear Oil Seal
  - Installation of Crankshaft Rear Oil Seal
- Removal and installation of Rocker Arm Shaft
  - Removal of Rocker Arm Shaft
  - Installation of Rocker Arm Shaft
  - Disassembly of Rocker Arm Shaft
  - Assembly of Rocker Arm Shaft
  - Inspection of Rocker Arm Shaft
- Removal and installation of Valve Spring
  - Removal of Valve Spring
  - Installation of Valve Spring
  - Inspection of Valve Spring
- Removal and installation of Valve Stem Oil Seal
  - Removal of Valve Stem Oil Seal
  - Installation of Valve Stem Oil Seal
- Removal and installation of Front Cover
  - Removal of Front Cover
  - Installation of Front Cover
- Removal and installation of Intake Throttle Valve
  - Removal of Intake Throttle Valve
  - Installation of Intake Throttle Valve
- Removal and Installation of Starter Motor
  - Removal of Starter Motor
  - Installation of Starter Motor
  - Disassembly of Starter Motor
  - Assembly of Starter Motor
  - Inspection of Starter Motor
- Removal and Installation of Alternator
  - Removal of Alternator
  - Installation of Alternator
  - Disassembly of Alternator
  - Assembly of Alternator
  - Inspection of Alternator
- Removal and Installation of Glow Plug
  - Removal of Glow Plug
  - Installation of Glow Plug
  - Glow plug Inspection
- Removal and Installation of Suction Control Valve
  - Removal of Suction Control Valve
  - Installation of Suction Control Valve
- Removal and installation of Fuel Filter
  - Removal of Fuel Filter
  - Installation of Fuel Filter
- Removal and installation of Relief Valve
  - Removal of Relief Valve
  - Installation of Relief Valve
- Removal and installation of Fuel Filter Element
  - Removal of Fuel Filter Element
  - Installation of Fuel Filter Element
- Removal and Installation of Fuel filter pressure
  - Fuel filter pressure sensor Removal
  - Fuel filter pressure sensor Installation
- Removal and Installation of Engine coolant temperature sensor
  - Engine coolant temperature sensor Removal
  - Engine coolant temperature sensor Installation
  - Engine coolant temperature sensor Inspection
- Removal and Installation of CKP sensor
  - CKP sensor Removal
  - CKP sensor Installation
  - CKP sensor Inspection
- Removal and Installation of CMP sensor
  - CMP sensor Removal
  - CMP sensor Installation
  - CMP sensor Inspection
- Removal and Installation of Oil pressure sensor
  - Oil pressure sensor Removal
  - Oil pressure sensor Installation
  - Oil pressure sensor Inspection
- Removal and installation of Pressure Sensor/Boost Temperature Sensor
  - Removal of Pressure Sensor/Boost Temperature Sensor
  - Installation of Pressure Sensor/Boost Temperature Sensor
  - Inspection of Pressure Sensor/Boost Temperature Sensor
- Removal and Installation of IMT sensor
  - Removal of IMT sensor
  - Installation of IMT sensor
- Removal and installation of Charge Air Cooler Temperature Sensor 1
  - Removal of Charge Air Cooler Temperature Sensor 1
  - Installation of Charge Air Cooler Temperature Sensor 1
  - Inspection of Charge Air Cooler Temperature Sensor 1
- Sampling Procedure
  - Sampling of Engine Oil
- Removal and Installation of Exhaust gas temperature sensor
  - Removal of Exhaust gas temperature sensor
  - Installation of Exhaust gas temperature sensor
  - Inspection of Exhaust gas temperature sensor
- Removal and installation of EGR Gas Temperature Sensor 1
  - Removal of EGR Gas Temperature Sensor 1
  - Installation of EGR Gas Temperature Sensor 1
  - Inspection of EGR Gas Temperature Sensor 1
- Removal and installation of EGR Gas Temperature Sensor 2
  - Removal of EGR Gas Temperature Sensor 2
  - Installation of EGR Gas Temperature Sensor 2
  - Inspection of EGR Gas Temperature Sensor 2
- Removal and installation of NOx Sensor
  - Removal of NOx Sensor
  - Installation of NOx Sensor
- Removal and Installation of Exhaust gas temperature sensor 3
  - Removal of Exhaust gas temperature sensor 3
  - Installation of Exhaust gas temperature sensor 3
- Removal and installation of DEF Sensor
  - Removal of DEF Sensor
  - Installation of DEF Sensor
- Engine-related Diagnostic Trouble Code List
- Engine-side Trouble
  - ECM Trouble
  - DCU Trouble
J. HYDRAULIC EQUIPMENT (PUMP, OPERATION SYSTEM VALVE)
- Main Equipment Table
  - Hydraulic Device
  - Control-related
- Basic Functions
  - Oil temperature gauge
  - Static Horsepower Control
  - Overload Warning (Function for Europe Only)
  - Pressure Boost Control
  - Stroke Control
  - Boom Down Energy Save
  - Pump Horsepower Boost Control
  - Arm 1 Semi-parallel Control
  - Arm 2 Semi-parallel Control
  - CAVIS (CAB ANTI VIBRATION INTELLIGENT SYSTEM)
  - Hot Shutdown Warning
  - Gate Lock
  - Breaker Mode
  - Crusher Mode
  - Quick coupler
  - Hydraulic Fluid Filter Clogging
  - Solenoid Sticking Prevention
- Port Diagram
  - Hydraulic Pump (Standard Model)
  - LM pump
  - Motor for Generator
  - Control Valve
  - 5 stack solenoid valve
  - 2 Stack Solenoid Valve
  - Solenoid Valve (for Generator)
  - Remote Control Valves (upper, travel)
  - Cushion valve
  - 2-way Selector Valve
  - Direction Valve
  - 6 stack proportional pressure reducing valve
  - Reducing Valve (3 stack) for Interference Prevention
  - Relief Valve (electromagnetic proportional)
  - Manifold Under Cab
  - Manifold (accumulator section)
  - Hydraulic tank
- Hydraulic Pump
  - Structure and Operation Explanation
  - Hydraulic Pump Internal Structure Diagram
  - Regulator
  - Gear Pump
  - Operation Outline of Electronically-Controlled Pump
- LM Pump
  - Overall View
  - Structural Diagram
- Motor for Generator
  - Overall View
  - Structural Diagram
- Control Valve
  - Basic Configuration
  - Operation
- 5 Stack Solenoid Valve Operation Explanation
  - External Shape Diagram and Components
  - operation explanation
- 2 Stack Solenoid Valve
  - Structure
- Single Proportional Valve
  - Structure
  - Operation Explanation
- Upper Pilot Valve (remote control valve)
  - Structure
  - Function
  - Operation
  - Structural Diagram
- Travel Pilot Valve (remote control valve)
  - Operation
  - Structural Diagram
- 1-pedal Travel Pilot Valve (remote control valve)
  - Operation
  - Structural Diagram
- Cushion Valve
  - Structure
  - operation explanation
- Selector Valve (2-way)
  - Structure
  - operation explanation
  - Development Diagram
- Direction Valve (3-direction)
  - Structure
  - Operation Explanation
- 6 Stack Proportional Valve (Pilot)
  - structure
  - operation principle
- Reducing Valve
  - Structure
  - Operation Explanation
- Electromagnetic Relief Valve
  - Structure
  - Operation Explanation
- Removal and Installation of Hydraulic Tank
  - Removal of Hydraulic Reservoir
  - Installation of Hydraulic Oil Tank
- Removal and Installation of Hydraulic Pump
  - Removal of Hydraulic Pump
  - Installation of Hydraulic Pump
- Removal and Installation of LM Pump
  - Removal of LM Pump
  - Installation of LM Pump
- Removal and Installation of Pump coupling
  - Removal of Pump Coupling
  - Installation of Pump Coupling
- Removal and Installation of Generator Motor
  - Removal of Motor for Generator
  - Installation of Motor for Generator
- Removal and Installation of Control Valve
  - Removal of Control Valve
  - Installation of Control Valve
- Removal and Installation of Travel Remote Control Valve
  - Removal of Travel Remote Control Valve
  - Installation of Travel Remote Control Valve
- Removal and Installation of Operation Remote Control Valve
  - Removal of Operation Remote Control Valve (Left)
  - Installation of Operation Remote Control Valve (Left)
  - Removal of Operation Remote Control Valve (right side)
  - Installation of Operation Remote Control Valve (right side)
- Removal and Installation of Option Remote Control Valve
  - Removal of Option Remote Control Valve
  - Installation of Option Remote Control Valve
- Removal and Installation of 5 Stack Solenoid
  - Removal of 5 Stack Solenoid Valve
  - Installation of 5 Stack Solenoid Valve
- Removal and Installation of Cushion Valve
  - Removal of Cushion Valve
  - Installation of Cushion Valve
- Procedures for Assembly and Disassembly of Hydraulic Pump Main Unit
  - Tools
  - Disassembly Procedure
  - Assembly Procedures
  - Development Diagram
  - Component Table
- Pump Main Unit Maintenance Standards
  - Replacement Standard of Wear Component
  - Correction Standard of Cylinder, Valve Plate, and Sash Plate (Shoe Plate)
  - Tightening torque
  - Overall View
- Regulator Maintenance Standards
  - Regulator Adjustment
  - Appendix Table and Drawings
  - Regulator Assembly and Disassembly Procedures
- Assembly and Disassembly of Control Valve
  - Disassembly
  - Cleaning
  - Inspection
  - assembly
  - Internal Structural Diagram
  - Part List
  - Relief Valve
  - Installation
  - Operation
  - Malfunction and Countermeasure
- Procedures for Assembly and Disassembly of Operation Remote Control Valve
  - Maintenance Procedures
  - Disassembly Procedures
  - Assembly Procedures
  - Causes of Trouble and Countermeasures
- Procedures for Assembly and Disassembly of Travel Remote Control Valve
  - Maintenance Procedures
  - Disassembly Procedures
  - Assembly Procedures
  - Causes of Trouble and Countermeasures and Cross-section Diagram
- Assembly and Disassembly Procedures of Option Remote Control Valve
  - Maintenance Procedures
  - Disassembly Procedures
  - Assembly Procedures
  - Causes of Trouble and Countermeasures
- Assembly and Disassembly of Cushion Valve
  - Disassembly Procedures
  - Assembly Procedures
  - Document
- Procedures for Assembly and Disassembly of 6 Stack Proportional Valve (Pilot)
  - Development Diagram
  - Assembly and disassembly procedures
  - Maintenance Standards
  - Troubleshooting
- Pressure Measurement and Adjustment Procedures
  - Procedures for Pressure Measurement from the Monitor Display
  - PROCEDURES FOR MEASURING HYDRAULIC OIL TEMPERATURE FROM THE MONITOR DISPLAY
  - Procedures for Pressure Measurement by Installing Pressure Gauge
  - Pressure Measuring Ports
  - Control Valve
  - Pressure Measurement Preparations
  - Pressure Measurement
  - Main Pressure Measurement
  - Pilot Pressure Measurement
  - Negative Control Pressure Measurement
  - Pressure Adjustment
- Power Generation Line Pressure Measurement Procedure, 2nd Option Pressure Measurement Procedure
  - A. Generator Motor Pressure Measurement
- Elevator Circuit Pressure Adjustment
  - Preparations
  - Pressure Adjustment of Elevator Ascent Circuit
  - Pressure Adjustment of Elevator Descent Circuit
- Hydraulic Pump Flow Measurement Procedures
  - Preparations
  - Work Preparations
  - Flow Measurement
- LM Pump Flow Measurement Procedure
  - Preparations
  - Work Preparations
  - Flow Measurement
  - LM Pump Flow Adjustment Procedure
- Drain Volume Measurement Procedures
  - Drain Volume Measurement of Motor for Generator
- Air Bleed Procedure
  - Hydraulic Pump
  - Generator motor
- Sampling Procedure
  - Sampling of Hydraulic Fluid
- Hydraulic Equipment Layout
- Hydraulic equipment layout drawing
  - Pump Chamber Hydraulic Equipment Layout
  - Swing Body Center Section Hydraulic Equipment Layout
  - Housing Left Side Hydraulic Equipment Layout
  - Hydraulic Equipment Layout of Elevator Section
  - Hydraulic Equipment Layout of Generator-related Section
  - Layout of Hydraulic Equipment in Cab
J_HYDRAULIC EQUIPMENT_OVERSIZE PAGES.pdf
- 001_J_Explanation of Hydraulic Circuit and Operations (standard model)_250X4MH250X4SL
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- 002_J_Explanation of Hydraulic Circuit and Operations (option)_250X4MH250X4SL
  - J
N. CAB
- Removal and Installation of Operator’s Seat
  - Removal of Operator’s Seat
  - Installation of Operator’s Seat
- Removal and Installation of Cab Assembly
  - Removal of Cab Assembly
  - Installation of Cab Assembly
- Removal and Installation of Wiper
  - Removal of Wiper
  - Installation of wiper
- Removal and Installation of Cab Front Glass
  - Removal of Cab Front Glass
  - Installation of Cab Front Glass
- Removal and Installation of Right-side Window Glass
  - Removal of Right-side Window Glass
  - Installation of Right-side Window Glass
- Removal and Installation of Door (Upper) Sash Glass
  - Removal of Door (Upper) Sash Glass
  - Installation of Door (Upper) Sash Glass
- Window Lock Adjustment Procedures
  - Window Lock (front side)
  - Window Lock (rear side)
- Removal and Installation of Housing Guardrail
  - Removal of Housing Guardrail
  - Installation of Housing Guardrail
- Tightening Torque
R. ELECTRICAL PARTS
- Basic Functions
  - Monitor Control
  - Basic Operation
  - Accessories
  - Safety
  - Maintenance
  - Setting
  - Battery disconnect switch
  - Explanation of Controller
- Service Support
  - Screen Operations
  - Screen Display List
  - Service Monitor Structure
  - CHECK Screen List
  - SETUP Screen List
  - CALIBRATE Screen List
  - Checking the Operation of Abnormal End
- Connection Connector Pin Layout
  - Main controller
  - Monitor
- Sequence Circuit Diagram
  - Code List
  - Overall
  - Block diagram
- Electrical Equipment Layout Diagram
  - Main Unit Left-side Layout Diagram
  - Engine Section Layout Diagram
  - Main Unit Right Side Layout Diagram (pump chamber)
  - Main Unit Center Section Layout Diagram
  - Cab Layout Diagram 1
  - Cab Layout Diagram 2
  - Layout Around Operator Seat
  - Anti-interference Sensor
  - LM-related Section
  - Stand Alone Parts Diagram
- Removal and Installation of Wiper Controller
  - Removal of Wiper Controller
  - Installation of wiper controller
- Removal and Installation of Wiper Motor
  - Removal of Wiper Motor
  - Installation of wiper motor
- Removal and Installation of ECM
  - Removal of ECM
  - Installation of ECM
- Removal and Installation of Main Controller
  - Removal of Main Controller
  - Installation of Main Controller
- Removal and Installation of Sub-controller
  - Sub-controller removal
  - Installation of Sub-controller
- Removal and Installation of DCU
  - Removal of DCU
  - Installation of DCU
- Removal and Installation of Monitor
  - Removal of Monitor
  - Installation of Monitor
- Removal and Installation of Rear View Camera
  - Removal of Rear View Camera
  - Installation of Rear View Camera
- Removal and Installation of Side Camera (right)
  - Removal of Side Camera (Right)
  - Installation of Side Camera (Right)
- Removal and Installation of Side Camera (Left)
  - Removal of Side Camera (Left)
  - Installation of Side Camera (Left)
- Removal and Installation of Under View Camera (Option)
  - Removal of Under View Camera (Option)
  - Installation of Under View Camera (Option)
- Removal and Installation of FVM Controller
  - Removal of FVM Controller
  - Installation of FVM Computer
- How to Set FVM
- Air Conditioner Overall Diagram
  - Frame
  - Cab
  - Equipment Layout Diagram
  - Circuit Diagram
  - Explanation of Functions
  - Actuator Inspection
  - Self-diagnosis Function with Panel Display
  - Part Function and Good/Poor Judgment
- Assembly and Disassembly of Unit
  - Removal of Blower Unit
  - Replacement of Blower Motor
  - Replacement of Blower Amp
  - Removal of Heater Core
  - Removal of Heat Case Right/Left
  - Replacement of Evaporator and Expansion Valve
  - Installation of Evaporator Sensor
  - Replacement of Motor Actuator
- Removal and Installation of Compressor
  - Removal of Compressor
  - Installation of Compressor
- Removal and Installation of Condenser
  - Removal of Condenser
  - Installation of Condenser
- Removal and Installation of Receiver Dryer
  - Removal of Receiver Dryer
  - Installation of Receiver Dryer
- Work Precautions
  - Work Procedures
  - Filling Procedures
R_ELECTRICAL PARTS_OVERSIZE PAGES.pdf
- 003_R_Electrical Connector Wiring Diagram_250X4MH250X4SL
  - R
- 004_R_Electrical Parts and Wiring Assembly Diagram_250X4MH250X4SL
  - R
V. ATTACHMENTS
- Main Equipment Table
  - Backhoe Attachment
- Maintenance Standards
  - Attachment (MH)
  - Attachment (SL)
- Removal and Installation of Bucket Cylinder
  - Removal of Bucket Cylinder
  - Installation of Bucket Cylinder
- Removal and Installation of Arm Cylinder
  - Removal of Arm Cylinder
  - Installation of Arm Cylinder
- Removal and Installation of Boom Cylinder
  - Removal of Boom Cylinder
  - Installation of Boom Cylinder
- Removal and Installation of Elevator Cylinder
  - Removal of Elevator Cylinder
  - Installation of Elevator Cylinder
- Procedures for Operation/Assembly and Disassembly of Hydraulic Cylinder
  - Specifications and Structure Diagram (including the assembly diagram and parts table)
  - Handling Precautions
  - Maintenance Inspection and Service
  - Trouble Diagnostics
  - Storage Standards
  - Assembly and Disassembly Procedures
  - Structural Diagram (made by KYB)
- HBCV
  - structure
  - Function
  - operation explanation
- Port Diagram
  - HBCV
- Air Bleed Procedure
  - HBCV
- Removal and Installation of HBCV
- Removal and Installation of Arm HBCV
  - Removal of Arm HBCV
  - Installation of Arm HBCV
- Removal and Installation of Boom HBCV
  - Removal of Boom HBCV
  - Installation of boom HBCV
- Removal and Installation of Bucket Link
  - Removal of Bucket Link
  - Installation of Bucket Link
- Removal and Installation of Arm
  - Removal of Arm
  - Installation of Arm
- Removal and Installation of Boom
  - Removal of Boom
  - Installation of Boom
Z. OTHER
- Change from Type 6
  - Overall Layout
  - Lower
  - Swing Unit
  - Engine
  - Hydraulic-related Data
  - Oil Pressure Control
  - Cab, House
  - Electrical Data
  - Electric Control
- 250X4-MH
  - ENGINE
  - HYDRAULIC SYSTEM
  - HYDRAULIC CONTROLS
  - ELECTRICAL SYSTEM
  - OPERATOR ENVIRONMENT
  - UNDERCARRIAGE
  - MASS
  - DIMENSIONS
  - WORKING RANGES
  - SYSTEM FLUID CAPACITIES AND SPECIFICATIONS
- 250X4-SL
  - ENGINE
  - HYDRAULIC SYSTEM
  - HYDRAULIC CONTROLS
  - ELECTRICAL SYSTEM
  - OPERATOR ENVIRONMENT
  - UNDERCARRIAGE
  - MASS
  - DIMENSIONS
  - WORKING RANGES
  - SYSTEM FLUID CAPACITIES AND SPECIFICATIONS
- Arm Dimension
  - Long Arm [5.00 m (16.40 ft.)] (MH)
  - Long Arm [5.80 m (19.03 ft.)] (SL)
- Main Unit Weight
  - Divided Weight (MH)
  - Divided Weight (SL)
  - Stand Alone Part Weight (MH)
  - Stand Alone Part Weight (SL)
  - Shoe Weight (per Side)
  - Arm Weight (MH)
  - Arm Weight (SL)
- Bolt Size and Torque Table
  - Special Torque Setting
- Overall View
  - 250X4-MH
  - 250X4-SL
- WORK RANGE DIAGRAM
  - 250X4-MH
  - 250X4-SL
- New Machine Performance Judgment Table
  - Measurement Method
- FLUIDS AND LUBRICANTS
  - HYDRAULIC FLUID
  - Engine Oil
  - Fuel
  - Conditions applicable to diesel fuel
  - Recommended conditions applicable to diesel fuels
- Main-Unit-related Diagnostic Trouble Code List
- Main Unit-side Trouble
  - Diagnostic Trouble Code: 7000 Pressure Sensor P1 Abnormality
  - Diagnostic Trouble Code: 7001 Pressure Sensor P2 Abnormality
  - Diagnostic Trouble Code: 7002 Pressure Sensor N1 Abnormality
  - Diagnostic Trouble Code: 7003 Pressure Sensor N2 Abnormality
  - Diagnostic Trouble Code: 7004 Pressure sensor boom cylinder bottom abnormality
  - Diagnostic Trouble Code: 7007 Pressure sensor arm cylinder rod abnormality
  - Diagnostic Trouble Code: 7021 Pressure sensor swing pilot abnormality
  - Diagnostic Trouble Code: 7023 Pressure sensor arm-in pilot abnormality
  - Diagnostic Trouble Code: 7040 Level sensor fuel abnormality
  - Diagnostic Trouble Code: 7041 Temperature sensor hydraulic oil abnormality
  - Diagnostic Trouble Code: 7060 Boom Angle Sensor Signal Abnormality
  - Diagnostic Trouble Code: 7061 Arm Angle Sensor Signal Abnormality
  - Diagnostic Trouble Code: 7062 Elevator Angle Sensor Signal Abnormality
  - Diagnostic Trouble Code: 7065 Pressure sensor boom-up pilot abnormality
  - Diagnostic Trouble Code: 7067 Pressure sensor bucket-close pilot abnormality
  - Diagnostic Trouble Code: 7068 Pressure sensor boom-down pilot abnormality
  - Diagnostic Trouble Code: 7069 Pressure sensor arm-out pilot abnormality
  - Diagnostic Trouble Code: 7070 Pressure sensor bucket-open pilot abnormality
  - Diagnostic Trouble Code: 7071 Pressure Sensor Travel Right Pilot Abnormality
  - Diagnostic Trouble Code: 7072 Pressure Sensor Travel Left Pilot Abnormality
  - Diagnostic Trouble Code: 7073 Pressure Sensor Travel 1 Pedal Abnormality
  - Diagnostic Trouble Code: 7075 Pressure Sensor Arm Cylinder Bottom Abnormality
  - Diagnostic Trouble Code: 7200 Swing Brake Solenoid Abnormality
  - Diagnostic Trouble Code: 7201 Travel 2nd Speed Switchover Solenoid Abnormality
  - Diagnostic Trouble Code: 7202 Pressure Boost Solenoid Abnormality
  - Diagnostic Trouble Code: 7203 Travel Alarm Buzzer Abnormality
  - Diagnostic Trouble Code: 7207 Free Swing Solenoid Abnormality
  - Diagnostic Trouble Code: 7208 Fan reverse solenoid abnormality
  - Diagnostic Trouble Code: 7212 Gate Lock Solenoid Abnormality
  - Diagnostic Trouble Code: 7213 Quick Coupler Buzzer Abnormality
  - Diagnostic Trouble Code: 7214 Quick Coupler Solenoid Abnormality
  - Diagnostic Trouble Code: 7243 Boom Proportional Valve Signal Abnormality (interference prevention)
  - Diagnostic Trouble Code: 7244 Arm Proportional Valve Signal Abnormality (interference prevention)
  - Diagnostic Trouble Code: 7245 Offset (Elevator) Proportional Valve Signal Abnormality
  - Diagnostic Trouble Code: 7247 Boom 2-Down Pilot Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7249 Bucket-Close Pilot Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7265 Arm 1 Semi-Parallel Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7266 Arm 2 Semi-Parallel Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7267 Arm 1 Regeneration Release Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7270 Tilting 1 Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7271 Tilting 2 Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7273 Straight Travel Proportional Valve Abnormality
  - Diagnostic Trouble Code: 7274 Lift Cut Relay Abnormality
  - Diagnostic Trouble Code: 7400 Coolant Temperature Overheating 1
  - Diagnostic Trouble Code: 7401 Coolant Temperature Overheating 2
  - Diagnostic Trouble Code: 7404 Oil Temperature Overheating
  - Diagnostic Trouble Code: 7405 Boost Temperature Overheating 1
  - Diagnostic Trouble Code: 7406 Boost Temperature Overheating 2
  - Diagnostic Trouble Code: 7420 Alternator Power Generation Defect
  - Diagnostic Trouble Code: 7421 Decrease in Coolant Level
  - Diagnostic Trouble Code: 7422 Decrease in Engine Oil Pressure
  - Diagnostic Trouble Code: 7423 Air Cleaner Clogging
  - Diagnostic Trouble Code: 7426 Fuel Filter Clogging 1
  - Diagnostic Trouble Code: 7427 Fuel Filter Clogging 2
  - Diagnostic Trouble Code: 7428 Inducement (Remaining Urea Level Low) – Warning
  - Diagnostic Trouble Code: 7429 Inducement (Remaining Urea Level Low) – Early
  - Diagnostic Trouble Code: 7430 Inducement (Remaining Urea Level Low) – Final
  - Diagnostic Trouble Code: 7602: ECM Communication Abnormality
  - Diagnostic Trouble Code: 7603 Controller S communication abnormality
  - Diagnostic Trouble Code: 7605 ECM Not Matched
  - Diagnostic Trouble Code: 7606 EEPROM Abnormality
  - Diagnostic Trouble Code: 7608 Camera Abnormality
  - Diagnostic Trouble Code: 7612 Air Conditioner Communication Abnormality
  - Diagnostic Trouble Code: 7613 Monitor communication (CAN) abnormality
  - Diagnostic Trouble Code: 7615 Sub-controller 1 Communication Abnormality
  - Diagnostic Trouble Code: 7618 DCU Communication Abnormality
- List of special tools
  - NUMERICAL VALUE CONVERSION TABLE
  - A
  - C
  - H
  - J
  - R
  - V
- Paint Colors
- Abbreviation
- Magnet Unit
  - Construction machinery mounted magnet adsorption face repair