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A SIGNATURE CUT, TRUSTED FOR OVER 100 YEARS
SAFETY, OPERATION
& MAINTENANCE MANUAL
LF Series - Lightweight Fairway Mower
LF550 / LF570 – 2WD & 4WD
KUBOTA D1803-M-DI-E3B
BAU / DDF / DDG Series
KUBOTA D1803-CR-E5B
BAV / BAY / BAW / CAA Series
KUBOTA V2403-M-DI-E3B
DGL / DGQ Series
KUBOTA V2403-CR-E5B
CAD / CAE Series
KUBOTA V1505-CR-TE5
DCU / DCV / DCW / DCY Series
WARNING: If incorrectly used this machine can cause severe injury. Those who use and maintain this machine must
be trained in its proper use, warned of its dangers and must read the entire manual before attempting to set up,
operate, adjust or service the machine.
GB
United
Kingdom
WARNING
RJL AHCC
4358526-E
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Table of Contents
Related Manuals for Jacobsen BAY Series
Summarization of Contents
INTRODUCTION
IMPORTANT INFORMATION
Explains the mower's purpose, manual importance, and correct operation guidelines.
PRODUCT IDENTIFICATION
Details mower and engine serial number plate locations and their components.
SERIAL NUMBERS
Provides space to record mower and engine serial numbers for reference.
DISPOSAL GUIDELINES
Outlines procedures for safe disposal of fluids and components during service life and end of life.
SAFETY
OPERATING SAFELY
Essential safety practices for operating the mower, including preparation and awareness.
OPERATION SAFETY
Specific instructions for operating the mower safely, including slope and general operation rules.
ROPS SAFETY
Safety guidelines and precautions related to the Roll Over Protection Structure (ROPS).
SAFE FUEL HANDLING
Precautions and procedures for safe fueling of the mower.
MAINTENANCE AND STORAGE SAFETY
Safety procedures for cleaning, adjusting, repairing, and storing the mower.
TRAILER LOADING SAFETY
Safety guidelines for loading and unloading the mower onto a trailer.
IMPORTANT SAFETY NOTES
Key safety alerts, definitions of hazard levels (DANGER, WARNING, CAUTION), and interlock system warnings.
SPECIFICATIONS
ENGINE SPECIFICATIONS
Detailed technical specifications for various Kubota engine models used in the mower.
DIMENSIONS AND WEIGHTS
Provides key physical dimensions and weight data for the LF550/LF570 mower.
MOWER SPECIFICATIONS
Lists general specifications for the mower, including battery, brakes, tanks, fluid, and speed.
HYDRAULIC SPECIFICATIONS
Details hydraulic system circuits, flow rates, and relief valve pressures.
VIBRATION AND NOISE LEVELS
Presents vibration (hand/arm, whole body) and noise emission data for the mower.
SLOPE LIMITATIONS
Specifies the maximum allowable slope angle for safe mower operation.
CUTTING UNIT SPECIFICATIONS
Outlines specifications for the cutting units, including blade length and height of cut.
RECOMMENDED LUBRICANTS
Lists recommended engine oil, hydraulic fluid, and grease for the mower.
ACCESSORIES
Lists various optional accessories for the LF550/LF570 mower, categorized by type.
CANOPY / SUN SHADE
Details the part number for the optional canopy or sun shade accessory.
HOOD LOCKING LATCH
Provides the kit number for the hood locking latch accessory.
BALL CAGE
Lists part numbers for factory and dealer installed ball cage options.
LED LIGHT KIT
Provides the part number for the optional LED light kit accessory.
SUPPORT LITERATURE
Lists available manuals and literature for the mower, including part numbers.
LABELS
SAFETY LABELS
Explains the purpose of various safety labels and the importance of replacing damaged ones.
SAFETY LABEL DESCRIPTIONS
Illustrates and describes various safety warning and instruction labels found on the mower.
INSTRUCTION LABELS
Shows instructional labels for traction pedal, backlap, and tow valve operations.
CONTROLS
OPERATOR COMPARTMENT
Provides an overview of the operator's compartment and numbered control locations.
ARMREST CONTROLS
Details the various controls and indicators located on the armrest.
IGNITION SWITCH
Describes the function and positions of the ignition switch.
PARKING BRAKE SWITCH
Explains how to engage and disengage the parking brake via the switch.
CRUISE CONTROL SWITCH
Details the operation of the cruise control system and its switch.
PTO SWITCH OPERATION
Explains the two-position switch for engaging and disengaging cutting units.
HORN & LIGHT SWITCHES
Describes the function of the horn switch and how to operate the headlights.
JOYSTICK OPERATION
Details the joystick's function in automatic and manual modes for controlling cutting units.
ALARM INDICATIONS
Lists conditions that trigger audible alarms and the meaning of the sound.
12 VOLT ACCESSORY OUTLET
Describes the 12-volt accessory outlet and its protection.
ADAPTIVE THROTTLE SWITCH
Explains the three modes (Adaptive, Service, Garage) of the adaptive throttle switch.
LDU DISPLAY UNIT
Overview of the LCD Display Unit (LDU), its modes, and button functions.
LDU INDICATOR LIGHTS
Explains the meaning of various indicator lights on the LDU (battery, glow plug, coolant, etc.).
LDU INDICATOR LIGHTS (CONTINUED)
Describes additional LDU indicator lights like hydraulic level, filter, fault, and regen status.
ALARM SCREENS
Lists alarm screen displays for common mower problems and their causes.
FAULT SCREENS
Shows fault screens displayed on the LDU for various detected system faults.
OPERATOR MODE FUNCTIONS
Details operator mode functions like engine hours, regen inhibit, and maintenance interval display.
TRACTION PEDAL OPERATION
Explains the operation of the traction pedal for forward, reverse, and neutral movement.
STEERING WHEEL TILT ADJUSTMENT
Describes how to adjust the steering wheel angle for operator comfort.
SEAT CONTROLS
Details the adjustments for the standard seat, including position and weight.
PREMIUM SEAT CONTROLS
Explains the adjustments for the premium seat, including height, position, backrest, and armrest.
THROTTLE LEVER OPERATION
Describes the function of the throttle lever for controlling engine speed.
OPERATION
DAILY INSPECTION
Outlines the essential daily checks and inspections before operating the mower.
INTERLOCK SYSTEM
Explains the mower's interlock system and provides tests to verify its functionality.
OPERATING PROCEDURE
Step-by-step guide for safe mower operation, including starting, driving, and stopping.
STARTING THE ENGINE
Detailed instructions for starting the engine, including pre-start checks and procedures.
TO STOP THE ENGINE
Procedures for safely stopping and parking the mower under normal conditions.
DRIVING PROCEDURES
General driving instructions and important notes for road regulations.
MOWING SPEED
Information on optimal mowing speed for cutting quality and factory settings.
MOWING OPERATION
Step-by-step guide for mowing, including joystick operation and cutting unit control.
MOWING ON SLOPES
Specific safety precautions and techniques for mowing on inclines and slopes.
TOWING THE MOWER
Instructions and safety precautions for towing the mower, including bypass valve operation.
MAINTENANCE AND LUBRICATION CHARTS
MAINTENANCE CHART
A comprehensive chart detailing maintenance tasks based on service intervals (hours).
LUBRICATION CHART
Illustrates lubrication points and provides a chart for grease fittings.
FLUID REQUIREMENTS
Lists the required quantities and types of engine oil, hydraulic fluid, coolant, and fuel.
MAINTENANCE
GENERAL PRECAUTIONS
General safety warnings and precautions before performing maintenance or repairs.
MAINTENANCE MODE
Explains how to enter and use Maintenance Mode for mower adjustments and settings.
MAXIMUM MOW SPEED SETTINGS
Instructions for setting the maximum mowing speed via the LDU.
TRAVEL SPEED SETTINGS
Instructions for setting the maximum travel speed via the LDU.
CRUISE CONTROL ENABLE/DISABLE
How to enable or disable the cruise control function using the LDU.
TRACTION MODE SELECTION
How to select between Traction Mode ON and OFF via the LDU.
REGEN REQUEST
Instructions for initiating a Parked Regen cycle for T4F/Stage 5 engines.
SWITCH STATUS CHECK
Explains how to check the current status of various switches on the mower.
MAINTENANCE INTERVAL RESET
How to reset the maintenance interval timer via the LDU.
BACKLAP REQUEST PROCEDURE
Information on using backlap request screens for reel maintenance.
DISPLAY UNITS SETTING
How to set display units (English/Metric) on the LDU.
EXIT MAINTENANCE MODE
Procedure to exit Maintenance Mode and return to Operator Mode.
ENGINE CARE AND OPERATION
Important notes on engine operation and maintenance, referencing the engine manual.
ENGINE OIL CHECK AND CHANGE
Instructions for checking and changing engine oil and oil filter.
ENGINE AIR FILTER
Procedures for checking, cleaning, and replacing the engine air filter elements.
FUEL HANDLING AND SAFETY
Safety precautions and procedures for fueling the mower.
FUEL SYSTEM MAINTENANCE
Instructions for draining the water separator and replacing the fuel filter.
BATTERY MAINTENANCE AND SAFETY
Safety precautions and procedures for servicing, cleaning, and jump-starting the battery.
BATTERY CHARGING
Guidelines for safely charging the mower battery, including ventilation and charger operation.
ENGINE EXHAUST SAFETY
Safety information regarding exhaust fumes, carbon monoxide, and exhaust system temperatures.
DIESEL PARTICULATE FILTER (DPF)
Explains the DPF system, Regen cycles, and operational states for T4F/Stage 5 engines.
PARKED REGEN CYCLE INITIATION
Details the process for initiating a Parked Regen cycle, including conditions and LDU displays.
DPF REGEN CYCLE LEVELS
Describes the six control levels of the Regen cycle and their implications on engine performance.
HYDRAULIC HOSES MAINTENANCE
Safety warnings and procedures for inspecting and maintaining hydraulic hoses and lines.
HYDRAULIC FLUID SERVICE
Instructions for draining and replacing hydraulic fluid and the hydraulic filter.
HYDRAULIC FILTER REPLACEMENT
Details how to replace the hydraulic filter and the warning light indicators.
TIRE PRESSURE MAINTENANCE
Guidelines for maintaining correct tire pressure for optimal life and traction.
WHEEL MOUNTING PROCEDURE
Step-by-step instructions for safely mounting wheels, including torque specifications.
RADIATOR MAINTENANCE
Procedures for checking and maintaining the radiator, coolant, and cooling system.
FOLDING ROPS PROCEDURES
Instructions and safety precautions for folding and unfolding the Roll Over Protection Structure (ROPS).
BACKLAPPING THE REELS
Detailed procedure for backlapping mower reels to restore cutting edges.
ELECTRICAL SYSTEM OVERVIEW
Overview of the mower's electrical system, fuses, circuit breakers, and controller.
ELECTRICAL SYSTEM COMPONENTS
Lists and describes the function of circuit breakers, fuses, and relays in the electrical system.
CARE AND CLEANING PROCEDURES
Procedures for cleaning the mower and cutting units, including safety warnings.
MOWER STORAGE GUIDELINES
Comprehensive guide for storing the mower, including general, battery, engine, and cutting units.
ADJUSTMENTS
GENERAL ADJUSTMENT PRECAUTIONS
General safety warnings and precautions before performing any adjustments or repairs.
ENGINE FAN BELT ADJUSTMENT
Instructions for inspecting and adjusting the engine fan belt tension.
STEERING ADJUSTMENT
Details for adjusting steering toe-in and steering stop positions.
FRONT REEL LIMIT SWITCH ADJUSTMENT
Instructions for adjusting the proximity switch that controls reel rotation when lifted.
ARMREST HEIGHT ADJUSTMENT
Procedures for adjusting the height of both standard and premium seat armrests.
ARMREST PIVOT ADJUSTMENT
Instructions for adjusting the armrest pivot plunger and clamp hardware.
BEDKNIFE-TO-REEL ALIGNMENT
Procedures for checking reel bearings, blade sharpness, and bedknife condition.
BEDKNIFE ADJUSTMENT
Detailed steps for adjusting the bedknife gap for optimal reel-to-bedknife contact.
CUTTING HEIGHT ADJUSTMENT
Instructions for adjusting the height of cut (HOC) for the mower's cutting units.
DOWN PRESSURE ADJUSTMENT
How to adjust the down pressure springs for improved cutting quality.
FLASH ATTACH™ INSTALLATION/REMOVAL
Procedures for installing and removing cutting units using the Flash Attach™ system.
BEDKNIFE ADJUSTER SPRING
Procedure for adjusting the bedknife adjuster spring compression.
BEDKNIFE ADJUSTER TENSION
Instructions for setting the tension of the bedknife adjuster rod.
GRINDING THE BEDKNIFE
Steps for grinding the bedknife, including removal and reassembly.
TORQUE SPECIFICATIONS
Charts detailing torque values for various bolt sizes and grades.
PROBLEM SOLVING
GENERAL TROUBLESHOOTING
A chart listing common mower problems, their causes, and suggested actions.
CONTROLLER FUNCTIONS
Explains the Mower Controller, its inputs/outputs, LEDs, and troubleshooting using the controller.
QUALITY OF CUT
QUALITY OF CUT PROBLEM SOLVING
How to perform a "test cut" and confirm factors affecting cutting performance.
WASHBOARDING ISSUES
Identifies washboarding, its appearance, probable causes, and remedies.
MARCELLING PROBLEMS
Explains marcelling, its appearance, probable causes, and remedies.
STEP CUTTING ISSUES
Describes step cutting, its causes, and how to correct it.
SCALPING CONDITIONS
Explains scalping, its appearance, causes, and remedies.
STRAGGLERS
Defines stragglers, their causes, and remedies.
STREAKS IN CUT
Explains streaks, their causes (damaged blade), and remedies.
WINDROWING ISSUES
Describes windrowing, its causes, and remedies.
RIFLING OR TRAMLINING
Explains rifling/tramlining, its appearance, causes, and remedies.
MISMATCHED CUTTING UNITS
Describes mismatched cutting units, their causes, and remedies.
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