Link Belt 75X3 Hydraulic Excavator Operators Manual

Link Belt 75X3 Hydraulic Excavator Operators Manual

Format: PDF (Printable Document)

File Language: English

File Pages: 210

File Size: 51.99 MB (Speed Download Link)

Brand: Link Belt

Model: 75X3 Hydraulic Excavator

Type of Document: Operators Manual

Category: PDF

$ 40

Link Belt 75X3 Hydraulic Excavator Operators Manual

This operator’s manual is what I’d keep in the cab of a 75X3 that’s working in tight construction sites, utility trenches, or small quarry jobs. It walks you through how to run the controls correctly, start and shut down without shocking the hydraulic system, and what to look over at the beginning and end of each shift. If the machine starts feeling weak on the boom or the travel feels jerky after startup, this is what I’d use to verify the operating steps and daily checks before assuming there’s a major failure.

Applications & Use Cases

Train new operators so they don’t abuse the swing, tracks, or attachment with bad habits.
Set up proper startup and warm‑up routines to protect the engine and hydraulic components.
Follow daily walk‑around inspections to catch leaks, loose hardware, or cracked hoses early.
Confirm safe shutdown and parking procedures when leaving the excavator on uneven ground.
Verify control functions after any repair or when something “doesn’t feel right” during operation.

FAQ

Q: Can I keep this manual on my phone or tablet in the cab?

A: Yes, a digital copy is handy; just make sure the screen is bright enough and protected from dust and vibration.

Q: Is it worth printing certain pages?

A: I’d print the startup, shutdown, and daily inspection pages and laminate them for quick reference on site.

Safety Note

Always follow the manual’s startup, shutdown, and inspection steps before moving the machine or working near people.

📘 Show Index

Link Belt 75X3 Hydraulic Excavator Index:

OPERATOR’S MANUAL
CHAPTER 1 – TO THE OWNER
- LINK-BELT TECHNICAL MANUALS
CHAPTER 2 – EXCAVATOR COMPONENTS
- EXCAVATOR COMPONENTS
- ENGINE COMPONENTS
  - RIGHT, LEFT, FRONT AND REAR OF THE EXCAVATOR
- IDENTIFICATION NUMBERS
  - TYPE, SERIAL NUMBER AND YEAR OF MANUFACTURE
CHAPTER 3 – SAFETY, DECALS, AND HAND SIGNALS
- SAFETY RULES
- SAFETY AREA
- UTILITY SAFETY
- OPERATOR PRECAUTIONS
  - PERSONNEL
  - GENERAL
  - MOUNTING AND DISMOUNTING PRECAUTIONS
  - STARTING AND STOPPING PRECAUTIONS
  - OPERATING PRECAUTIONS
  - MAINTENANCE PRECAUTIONS
  - FUEL HANDLING PRECAUTIONS
  - BURN PREVENTION
  - HAZARDOUS CHEMICAL PRECAUTIONS
  - TRANSPORTING PRECAUTIONS
  - FIRE EXTINGUISHER
  - SEAT BELT PRECAUTIONS
  - QUICK COUPLER PRECAUTIONS
  - ENGINE PRECAUTIONS
  - SPECIFIC PRECAUTIONS TO THIS EXCAVATOR
- DECALS
  - DECALS INSIDE THE CAB
  - DECALS OUTSIDE OF THE CAB
- HAND SIGNALS
  - START THE ENGINE – HAND SIGNAL
  - SHUT DOWN THE ENGINE – HAND SIGNAL
  - COME TO ME – HAND SIGNAL
  - MOVE AWAY FROM ME – HAND SIGNAL
  - GO THIS FAR – HAND SIGNAL
  - RAISE LOAD OR TOOL – HAND SIGNAL
  - ALL STOP AND HOLD – HAND SIGNAL
  - EMERGENCY STOP – HAND SIGNAL
  - RAISE LOAD OR TOOL – HAND SIGNAL
  - LOWER LOAD OR TOOL – HAND SIGNAL
  - SLOWLY RAISE THE LOAD OR TOOL – HAND SIGNAL
  - SLOWLY LOWER THE LOAD OR TOOL – HAND SIGNAL
  - RAISE TOOL – HAND SIGNAL
  - TURN EXCAVATOR LEFT (SWING LOAD LEFT) – HAND SIGNAL
  - TURN EXCAVATOR RIGHT (SWING LOAD RIGHT) – HAND SIGNAL
  - LOWER TOOL – HAND SIGNAL
  - RAISE TOOL – HAND SIGNAL
  - LOWER TOOL – HAND SIGNAL
  - RETRACT ARM – HAND SIGNAL
  - EXTEND ARM – HAND SIGNAL
  - FILL TOOL – HAND SIGNAL
  - EMPTY TOOL – HAND SIGNAL
CHAPTER 4 – INSTRUMENTS AND CONTROLS
- CAB
- STEPS AND ACCESS HANDLES
- POSITION OF THE CAB CONTROLS AND ACCESSORIES
- OPERATOR’S SEAT
- SEAT CONTROLS
  - SEAT HEIGHT ADJUSTMENT
  - SEAT ADJUSTMENT
  - RECLINING ADJUSTMENT
  - ARMREST
  - HEADREST
  - SEAT BELT
- RIGHT HAND CONTROL ARM
- LEFT HAND CONTROL ARM
- FRONT CONSOLE
- COMPUTER MONITOR DISPLAY
- COMPUTER MONITOR CONTROLS
- MENU DISPLAY SCREEN
- MESSAGE DISPLAY LIST
- HEATING, VENTILATION AND AIR-CONDITIONING CONTROL
- CONTROL PATTERN SELECTOR VALVE
- ARM AND UPPERSTRUCTURE SWING LEFT HAND CONTROL LEVER IN PATTERN D
- BOOM AND BUCKET RIGHT HAND CONTROL LEVER IN PATTERN D
- BOOM AND UPPERSTRUCTURE SWING LEFT HAND CONTROL LEVER IN PATTERN C
- ARM AND BUCKET RIGHT HAND CONTROL LEVER IN PATTERN C
- TRAVEL CONTROL
- AUXILIARY PEDAL (IF EQUIPPED)
- PROPORTIONAL SWITCH (IF EQUIPPED)
- LOW FLOW HYDRAULIC CIRCUIT CONTROL PEDAL (IF EQUIPPED)
- LOW FLOW HYDRAULIC CIRCUIT PROPORTIONAL SWITCH (IF EQUIPPED)
- FOOTREST
- ADJUSTMENT AND LOCKING THE AUXILIARY PEDALS (IF EQUIPPED)
- BLADE OPERATION
- OFFSET PEDAL OPERATION (OFFSET BOOM)
- GATE LOCK
- CAB LIGHT
- COAT HANGER HOOK
- CAB DOOR WINDOWS
- CUP HOLDER
- MAGAZINE RACK
- FUSE BOX
- CAB RADIO
  - TO OPERATE:
  - TO SELECT STATION
  - TO SET A STATION IN THE PRESETS
  - AUTO STORE MEMORY
  - CLOCK
  - AUXILIARY INPUT
  - RESET FUNCTION
  - SPEAKERS
- WINDSHIELD
  - OPENING THE WINDSHIELD
  - CLOSING THE WINDSHIELD
- LOWER FRONT WINDOW
- SUN ROOF
- AIR VENTS
- REAR WINDOW
- REAR VIEW MIRRORS
- MIRROR INSTALLATION AND ADJUSTMENT
  - MIRROR A (ON THE CAB HANDRAIL)
  - MIRROR B (ON THE UPPER STRUCTURE: RIGHT)
  - MIRROR C (ON THE UPPER STRUCTURE: RIGHT)
  - MIRROR D (ON THE CAB: REAR)
- REAR VIEW CAMERA
- FUEL TANK
- ENGINE HOOD
- WINDSHIELD WASHER RESERVOIR
- SIDE DOORS
  - LEFT HAND REAR SIDE DOOR
  - RIGHT HAND FRONT SIDE DOOR
- TOWING POINT
- LIFTING EYES
- CAB PROTECTION (ROPS AND FOPS)
  - ROPS (STANDARD)
  - FOPS (OPTIONAL)
CHAPTER 5 – OPERATING INSTRUCTIONS
- BEFORE OPERATING THE EXCAVATOR
- OPERATING THE EXCAVATOR
- RUN-IN PERIOD
  - AFTER THE FIRST 50 HOURS
  - AFTER THE FIRST 500 HOURS
- ANTI-THEFT PROTECTION DEVICE
  - TO SET PASSWORD
  - TO ACTIVATE THE ANTI-THEFT
  - TO UNLOCK THE ANTI-THEFT
- STARTING THE ENGINE
- BRINGING THE EXCAVATOR UP TO OPERATING TEMPERATURE
  - ENGINE AUTOMATIC WARM-UP
  - MANUAL ENGINE WARM-UP
  - HYDRAULIC FLUID WARM-UP
- ENGINE OPERATION
- STOPPING THE ENGINE
  - IN THE EVENT OF AN EMERGENCY
- OPERATING THE EXCAVATOR IN COLD WEATHER
  - BATTERY
  - FUEL
  - ENGINE OIL
  - HYDRAULIC FLUID
  - COOLANT SOLUTION
- OPERATING THE EXCAVATOR IN HOT WEATHER
- BASIC OPERATION
- EXCAVATOR TRAVEL
- OPERATING THE EXCAVATOR IN WATER
- OFFSET BOOM OPERATION
- PARKING THE EXCAVATOR
- OPERATING THE EXCAVATOR ON SLOPING GROUND
- TOWING THE EXCAVATOR
- OPERATING THE BUCKET
  - FILLING
  - EXCAVATING METHOD
- LOAD HANDLING
  - LIFT CAPACITIES CHART
- LOWERING THE ATTACHMENT IN THE EVENT OF AN EXCAVATOR FAILURE
- AUXILIARY HYDRAULIC CIRCUITS
  - SINGLE-ACTING AUXILIARY HYDRAULICS (SAH)
  - THUMB AUXILIARY HYDRAULICS (TAH)
  - MULTI-FUNCTION AUXILIARY HYDRAULICS (MFH)
  - SECONDARY AUXILIARY HYDRAULICS (SAH)
  - COMBINATION AUXILIARY HYDRAULICS (CAH)
  - AFTERMARKET AUXILIARY HYDRAULIC KITS
  - ACTIVATING SINGLE-ACTING AUXILIARY HYDRAULICS
  - AUXILIARY HYDRAULIC CRUSHER/DOUBLE FLOW
- HYDRAULIC EXCAVATOR QUICK COUPLER OPERATION
  - ATTACHING A BUCKET
  - RELEASING THE BUCKET
  - MAINTENANCE CHECKS
  - MAINTENANCE INSTRUCTIONS
CHAPTER 6 – SERVICING INTERVALS
- SERVICING INTERVALS
  - SERVICE SPECIFICATIONS
- HOURMETER
- DAILY INSPECTIONS
  - GENERAL REMARKS
  - ENGINE
  - UPPERSTRUCTURE
  - UNDERCARRIAGE
  - ATTACHMENT
  - AFTER STARTING THE ENGINE
  - MAINTENANCE CHART
- MAINTENANCE INFORMATION SCREEN
CHAPTER 7 – LUBRICATION, FILTERS, AND FLUIDS
- FLUIDS AND LUBRICANTS
  - HYDRAULIC FLUID
  - TEMPERATURE CLIMATES
  - HOT CLIMATES
  - COLD CLIMATES
  - TRANSMISSION COMPONENT OIL
  - GREASE
  - ENGINE OIL
  - FUEL
  - CONDITIONS APPLICABLE TO DIESEL FUEL
  - FUEL STANDARDS
  - FUEL STORAGE
  - BIODIESEL FUEL
  - BIODIESEL FUEL USAGE CONDITIONS
  - BIODIESEL FUEL HANDLING
  - ANTI-FREEZE/ANTI-CORROSION
  - ENVIRONMENT
- LUBRICATION CHART
- LUBRICATION POINTS
  - EVERY 1000 HOURS (EMS: EASY MAINTENANCE SYSTEM)
  - EVERY 50 HOURS
  - TURNTABLE BEARING
  - GREASING THE TURNTABLE TEETH
- FLUID LEVELS
  - EVERY 10 HOURS
  - EVERY 250 HOURS
- ENGINE
  - SERVICE SPECIFICATIONS
  - ENGINE OIL LEVEL
  - DRAINING, REPLACING THE OIL FILTER, AND FILLING
- COOLING SYSTEM
  - SERVICE SPECIFICATIONS
  - COOLANT SOLUTION
  - LEVEL
  - DRAINING
  - RINSING
  - FILLING
- FUEL SYSTEM
  - SERVICE SPECIFICATIONS
  - DRAINING THE FUEL TANK
  - CLEANING THE FUEL TANK FILTER
  - FUEL PRE-FILTER
  - CHANGING THE PRE-FILTER ELEMENT
  - FUEL MAIN FILTER
  - CHANGING THE FUEL MAIN FILTER
  - FUEL LINE AIR BLEEDING
  - CLEANING THE ELECTROMAGNETIC FEED PUMP FILTER
- RELEASING PRESSURE IN THE HYDRAULIC SYSTEM
- HYDRAULIC SYSTEM
  - SERVICE SPECIFICATIONS
  - LEVEL IN THE RESERVOIR
  - FILLING THE HYDRAULIC RESERVOIR
  - PILOT FILTER REPLACEMENT
  - REPLACING THE RESERVOIR BREATHER FILTER ELEMENT
  - RETURN FILTER REPLACEMENT
  - CLEANING AND REPLACEMENT OF THE SUCTION SCREEN
  - REPLACING THE HYDRAULIC FLUID
  - RESERVOIR SEDIMENT REMOVAL
- BLEEDING AIR FROM THE HYDRAULIC COMPONENTS
  - ATTACHMENT CYLINDERS
  - SWING REDUCTION GEAR
  - HYDRAULIC BREAKER (OPTIONAL) – REPLACING HYDRAULIC FLUID AND FILTERS WITH STANDARD HYDRAULIC FLUID
  - HYDRAULIC FLUID
  - CHECKING THE HYDRAULIC SYSTEM LINES
- AIR FILTER
  - SERVICE SPECIFICATIONS
  - INSPECTION
  - CLEANING THE OUTER ELEMENT
  - INSPECTING THE ELEMENT
  - REPLACING THE ELEMENTS
- TURNTABLE BEARING
  - SERVICE SPECIFICATIONS
  - GREASING THE TURNTABLE BEARING
  - GREASING THE TURNTABLE TEETH
- TRAVEL REDUCTION GEARS
  - SERVICE SPECIFICATIONS
  - LEVEL
  - DRAINING AND REFILLING
CHAPTER 8 – MAINTENANCE AND ADJUSTMENTS
- TRACKS
  - MAINTENANCE SPECIFICATIONS
  - CLEANING
  - CHECKING THE TENSION
  - ADJUSTING THE TENSION
  - TO INCREASE TENSION
  - TO REDUCE TENSION
  - TIGHTENING TORQUE OF THE TRACK SHOE
- TRACK ROLLERS AND IDLER WHEELS
  - MAINTENANCE SPECIFICATIONS
- RADIATOR AND OIL COOLER
  - MAINTENANCE SPECIFICATIONS
  - CLEANING
- FAN AND ALTERNATOR BELT
  - MAINTENANCE SPECIFICATIONS
  - CHECKING THE TENSION
  - ADJUSTING THE TENSION
  - REPLACING THE BELT
- INSPECTING AND CLEANING THE EXCAVATOR
  - MAINTENANCE SPECIFICATIONS
  - ADJUSTMENT OF ENGINE VALVE ROCKER CLEARANCES
  - CAB PROTECTION (FOPS)
- CHECKING FOR CYLINDER LEAKAGE
- REPLACING A BUCKET
  - REMOVAL – BUCKET
  - INSTALLATION – BUCKET
- FIRE EXTINGUISHER (NOT SUPPLIED)
  - MAINTENANCE SPECIFICATIONS
- WELDING ON THE EXCAVATOR
- PLASTIC AND RESIN PARTS
- AIR CONDITIONING
  - MAINTENANCE SPECIFICATIONS
  - INSPECTION
  - CLEANLINESS OF THE CONDENSER
  - CHECKING THE BELT TENSION
  - CHECKING THE LINES
  - CLEANING THE FRESH AIR INTAKE FILTER
  - CLEANING THE INSIDE AIR INTAKE FILTER
  - CHECKING THE CHARGE STATE OF THE SYSTEM
- HARDWARE TORQUE INSPECTION
  - SERVICE SPECIFICATIONS
- ENGINE TROUBLESHOOTING
CHAPTER 9 – ELECTRICAL SYSTEMS
- FUSES
  - FUSE FUNCTIONS
- BATTERY DISCONNECT SWITCH
- BATTERY
  - MAINTENANCE SPECIFICATION
  - ACCESS TO THE BATTERIES
  - CHECKING A BATTERY
  - REPLACING A BATTERY
  - REMOVAL – BATTERY
  - INSTALLATION – BATTERY
- CONNECTING ONE OR TWO BOOSTER BATTERIES
- ALTERNATOR
  - MAINTENANCE SPECIFICATION
- STARTER MOTOR
  - MAINTENANCE SPECIFICATION
- REPLACING A BULB
  - CAB LIGHT
  - WORKING LIGHTS ON THE CAB AND ON THE ATTACHMENT
CHAPTER 10 – TRANSPORTATION & STORAGE INSTRUCTIONS
- TRANSPORTING THE EXCAVATOR
  - REMOVING THE ATTACHMENT FROM THE EXCAVATOR
  - TRANSPORT BY RAIL
  - TRANSPORTING THE EXCAVATOR – ON A TRAILER
  - LOADING THE EXCAVATOR
  - TIE DOWN ON TRANSPORT VEHICLE
  - UNLOADING THE EXCAVATOR
- LIFTING THE EXCAVATOR
- EXCAVATOR STORAGE
  - PREPARATION FOR STORAGE
  - PERIODICAL CHECKS
  - STARTING UP AFTER STORAGE
CHAPTER 11 – SPECIFICATIONS
- ENGINE
- ELECTRICAL SYSTEMS
- HYDRAULIC SYSTEM
  - RELIEF VALVES PRESSURES:
  - HYDRAULIC CYLINDERS:
  - HYDRAULIC OIL FILTRATION:
  - SWING:
  - TRAVEL:
- WEIGHTS
- UNDERCARRIAGE
  - SPECIFICATIONS PER TRACK ASSEMBLY
- CAPACITY OF SYSTEMS AND COMPONENTS
- ATTACHMENT
- DIGGING FORCE
- EXCAVATOR OVERALL DIMENSIONS
- WORKING RANGE
- LIFTING CAPACITIES – ISO RATINGS
- BUCKET SIZES
- RemoteCARE
- Provisional
  - CALIFORNIA PROPOSITION 65 WARNING
CHAPTER 12
- INDEX
空白ページ
空白ページ