Hyundai HX300LL Crawler Excavator Service Manual
1,207 pages · Publication HX300LL
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- Models
- HX300LL
- Manual type
- Service Manual
- Pages
- 1,207
- Publication
- HX300LL
- Condition
- Brand new
What's inside
From the manual's own table of contents: 31 sections, 365 entries. See sample pages (PDF, 963 KB)
General38 topics
- 1Table of Contents
- Safety
- Forestry Machine Maintenance Safety
- Specifications
- General Maintenance
- General Maintenance Instructions
- Standard Torques
- Engine
- Engine Coolant Heater (Option)
- Upper Structure
- Cabin
- Counterweight
- Oil Tank
- Fuel Tank
- Main Pump
- Drive Coupling (Main Pump)
- Main Control Valve
- Swing Device
- Fan Pump for Oil Cooler
- Fan Motor for Oil Cooler
- Joystick Valve (Work Lever)
- Travel Control Valve (with Damper)
- Solenoid Valve
- Accumulator
- Gear Pump (Rotation) Two Pump
- One Spool Valve
- Lower Structure and Chassis
- Swing Bearing
- Center Joint
- Travel Device
- Front
- Boom and Stick
- Cylinders
- Hydraulic System
- Hydraulic System Testing and Adjustment
- Hydraulic System Troubleshooting
- Electrical System
- Schematic
Forestry Machine Maintenance Safety7 topics
- Safety Instructions
- Safety Messages
- General
- Transportation
- Operation
- Maintenance
- Environment and Circumstances
Specifications26 topics
- General Description
- Component Locations
- Log Loader
- Road Builder
- General Dimensions
- General Specifications
- Performance Tests
- Purpose of Performance Tests
- Kinds of Tests
- Performance Standards
- Precautions for Evaluation of Test Data
- Definition of "Performance Standard
- Preparation for Performance Tests
- The Machine
- Test Area
- Precautions
- Make Precise Measurement
- Operational Performance Standard Table
- Operational Performance Test
- Hydraulic Cylinder Cycle Time
- Travel Speed
- Track Revolution Speed
- Mistrack Check
- Swing Speed
- Swing Function Drift Check
- Cylinder Creep
General Maintenance Instructions8 topics
- Welding Precautions and Instructions
- Hydraulic System - General Precautions
- General Precautions
- Service
- Oil Leakage Precautions
- Cleaning and Inspection
- General Instructions
- Bearing Inspection
Standard Torques9 topics
- Torque Values for Standard U.S. Fasteners
- Type 8 Phosphate Coated Hardware
- Torque Values for Hose Clamps
- ORFS Swivel Nut Recommended Torque
- Torque Values for Split Flanges
- Torque Wrench Extension Tools
- Torque Multiplication
- Other Uses for Torque Wrench Extension Tools
- Tightening Torque Specifications (Metric)
Engine28 topics
- Overview
- General Information
- Engine Maintenance
- Inspection and Repair of the Engine
- Engine Identification
- Engine Data Plate
- Engine Specification
- Engine Performance Curves
- Special Tools
- Tightening Torques
- Major Parts Tightening Torque
- Tightening Torque for General Bolts
- Tightening Torque of Plug Screw
- Hollow Screw (4-Hole) Tightening Torque
- Engine Disassembly
- Engine Disassembly Procedure
- Engine Assembly
- Engine Assembly Sequence
- Cylinder
- Cylinder Head
- Cylinder Block
- Valve Mechanism
- Actuating System
- Camshaft
- Piston
- Connecting Rod
- Crankshaft
- Timing Gear
Engine Coolant Heater (Option)8 topics
- Disassembly and Assembly
- Changing the Circulating Pump
- Changing the Temperature Limiter
- Changing the Temperature Sensor
- Changing the Combustion Air Fan
- Changing the Burner, Flame Monitor and Glow Plug
- Changing the Burner Head
- Changing the Heat Exchanger
Cabin10 topics
- Cabin Identification
- Falling Object Guards and Structures
- Removal
- Installation
- Completing work
- Removal and Installation of Cabin Glass
- Removal of Cabin Glass
- Installation of Cabin Glass
- Installation of Upper Door Glass
- Installation of Upper Front Glass
Counterweight
Hydraulic Oil Tank2 topics
- Specification
- Air Breather
Fuel Tank
Main Pump26 topics
- Axial Piston Pump
- Performance Curves
- Port
- Hydraulic Circuit
- Section View
- Theory of Operation
- Tools
- Tightening Torque
- Disassembly
- Reassembly
- Troubleshooting
- General Caution
- Check the Casing of the Pump for Abnormalities
- Overload of Prime Mover
- Increase of Delivery Pressure
- Abnormal Noises and Abnormal Vibrations
- Maintenance Instructions
- Replacement Standard of Worn Parts
- Swash Plate (Shoe Plate)
- Regulator
- Port and Hydraulic Circuit
- Functional Explanation
- Regulator Function Diagram
- Negative Flow Control
- Total Horsepower Control
- Variable Horsepower Control
Drive Coupling (Main Pump)
Main Control Valve12 topics
- Cautions for Operation
- Precaution
- Tools and Torques
- Caution on Disassembly
- Sequence of Disassembly
- Cleaning
- Inspection
- Caution on Assembly
- Sequence of Subassembly
- Maintenance of Relief Valves
- Troubleshooting, Testing and Adjustment
- Adjustment of Valves
Swing Device15 topics
- Swing Motor
- Swing Reduction Gear
- Pinion Gear
- Parking Brake
- Hydraulic Motor
- Valve Casing
- Brake Part
- Direction of Rotation
- External Load at the End of Shaft
- Hydraulic Oil and Temperature Range
- Filter
- Installation and Piping
- Oil Filling and Air Ventilation
- Instructions before Starting to Operate
- Tools for Disassembly and Assembly
Fan Pump for Oil Cooler8 topics
- Maintenance Guidelines
- Sealing Driveshaft
- Sealing Control Valve
- EPPR Valve
- Disassembly of Rotary Group
- Disassembly of Control Device
- Disassembly of Shaft/Bearings
- Adjustment of Taper Roller Bearing
Fan Motor for Oil Cooler2 topics
- Parts List and Section View
- Assembly
Joystick Valve (Work Lever)
Travel Control Valve (with Damper)
Solenoid Valve2 topics
- Parts List
- Disassembly and Reassembly
Gear Pump (Rotation)2 topics
- Location
- Single Gear Pump
One Spool Valve (Rotating)5 topics
- General Cautions
- Replacement of Spool
- Replacement of Main Relief Valve
- Replacement of Overload Relief Valve
- Replacement of Sub-Block
Swing Bearing
Center Joint1 topic
- Testing
Show all 32 sections
Travel Device14 topics
- Operation of Reduction Gear
- Installation Method
- Piping
- Hydraulic Oil
- Lubricant
- Maintenance/Service
- Reduction Gear
- Checkup After Assembly
- Air Test for Reduction Gear
- Air Test for Motor
- Performance Test
- If Test Equipment Is Available
- Travel Motor
- Travel Reduction Gear
Track Assembly21 topics
- Track Tension
- Track Shoes and Links
- Track Removal
- Track Installation
- Track Shoe
- Sprocket
- Wear Limits and Tolerances
- Front Idler
- Front Idler Disassembly
- Front Idler Reassembly
- Upper Roller
- Upper Roller Removal
- Upper Roller Installation
- Upper Roller Disassembly
- Upper Roller Reassembly
- Lower Roller
- Lower Roller Removal
- Lower Roller Installation
- Lower Roller Disassembly
- Lower Roller Reassembly
- Track Adjuster
Boom and Stick6 topics
- Size and Weight
- Stick Removal
- Boom Removal
- Stick Installation
- Boom Installation
- Start-up Procedures
Cylinders9 topics
- Seal of Cylinder
- Special Tools and Materials
- Piston Nut
- Piston Jig
- Steel Bushing Jig
- Dust Wiper Jig
- Slipper Seal Jig
- Slipper Seal Straightening Jig
- Rod Bushing (DD-bushing) Pushing-in Jig
Hydraulic System15 topics
- Hydraulic Schematic
- Hydraulic Component and Oil Flow
- Hydraulic Components
- Safety Cutoff Valve Operation
- Power Up Valve Operation
- Travel High-speed Valve Operation
- Swing Brake Release Operation
- Two Pump Valve Operation
- Travel Forward and Backward Operation
- Boom Up Operation
- Boom Down Operation
- Arm (Stick) In Operation
- Arm (Stick) Out Operation
- Heel Rack In Operation
- Heel Rack Out Operation
Hydraulic System Testing and Adjustment12 topics
- Recommendations
- of the Excavator
- Pilot Pressure
- Adjustment and Testing
- Power Mode Valve
- Pressure Up Valve
- Checks and Adjustments
- Pump Input Power Control
- Pump Regulator Adjustment
- Swing System Troubleshooting
- Precautions/Initial Checks
- Swing Relief Valve Checking and Adjustment
Hydraulic System Troubleshooting19 topics
- Engine Starts but Machine Does Not Operate
- Hydraulic Oil is Cloudy
- Hydraulic Oil Overheated
- Hydraulic Pump Cavitation
- Hydraulic Oil is Contaminated
- Boom, Arm, Bucket Speed is Slow
- Boom, Arm or Bucket Power is Weak
- Neutral Position
- Control Valve Operated
- Swing Speed is Slow
- Machine Swings but Does Not Stop
- Machine Does Not Stop on a Slope
- Travel Motor is Powerless (Travel Only)
- Does Not Travel is 2nd Speed or Auto Speed
- Troubleshooting – Swing Gearbox
- Troubleshooting – Hydraulic Problems
- Troubleshooting – Control Valve
- Troubleshooting – Travel Control Valve
- Troubleshooting – Joystick Control Valve
Electrical System29 topics
- Introduction
- Electrical Supply System
- Engine Starting Circuit
- Start Operation
- After Start
- Engine Preheating System
- Engine Stop
- Charging System
- Monitoring System
- Instrument Panel
- Functional Check
- Monitoring System Schematic
- Instruments
- Warning and Indicator Lights
- Indication of Warning Lights
- Indication of Multifunction Gauge
- Initial Operation
- Graphic Information Area Display
- Main Menus for the Graphic Display Area
- Menu Selector Buttons
- User Menu
- User Menu - Access and Escape Methods
- Switch Operation Indication
- Special Menu
- Entering/Accessing and Exiting/Escaping Menus
- Special Menu Selections
- Failure Code
- Failure Code at Machine
- Failure Code at Engine Side
Inside this manual
Real pages from this service manual (1,207 pages). Open the sample pages (PDF, 962 KB)
- Specifications, page 375: Hydraulic Oil Tank
- Troubleshooting, page 609: Swing Device
- Diagram, page 1,023: Electrical System
- Color page, page 378: Hydraulic Oil Tank
- Color page, page 507: Main Control Valve
- Foldout diagram (color), page 1,206: HX300RB (Road Builder - Oregon Cabin)
This is a service manual
Here's how it compares to the other manual types.
This manual
Service manual
Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.
Operator's manual
Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.
Parts manual
Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.
Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.
What it's used for
Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.
Service shops and owner/operators who repair their own equipment
Identifying correct parts and seeing how assemblies come apart and go back together
Keeping equipment running with less downtime
Factory manual, 1,207 pages
Quantity one is the manual described above.
Fast free USA shipping
Ships in 1 business day.
60-day returns
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Binder not included
Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.
Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).