Jacobsen LF 570 - Service Manual

Other manuals for Jacobsen LF 570

Technical/Repair Manual50 pages

Safety & Operation Manual62 pages

Operation Manual30 pages

Questions and Answers

E
enorrisAug 11, 2025
What to do if my Jacobsen Lawn Mower engine is hard to start or runs poorly?
- J
  James JonesAug 11, 2025
  If your Jacobsen Lawn Mower engine is hard to start or runs poorly, several factors could be responsible. Begin by checking the fuel level and condition; low fuel, or dirty fuel/fuel filter, can cause issues. Fill the tank with fresh fuel, replace the fuel filter, and bleed the fuel lines. Also, inspect the air filter for dirt and replace it if necessary. For issues related to the injectors or fuel pump, or for more complex engine problems, consult the Engine Manual.
D
Daniel SteeleAug 16, 2025
Why does my Jacobsen LF 570 Lawn Mower engine keep stopping?
- S
  ssmithAug 17, 2025
  If your Jacobsen Lawn Mower engine stops unexpectedly, there are a couple of common reasons. First, check the fuel tank to make sure it's not empty; if it is, fill it with fresh fuel and bleed the fuel lines. Also, make sure the interlocks are properly set before you leave the operator’s seat; engage the parking brake and set the mow switch to OFF.
S
stonekelliAug 22, 2025
How to fix overheating on my Jacobsen LF 570?
- C
  Charles SmithAug 22, 2025
  If your Jacobsen Lawn Mower engine is overheating, several issues could be the cause. Start by checking the coolant level and adding coolant if it's low. Also, inspect the air intake at the radiator and clean it if it's restricted. Finally, check the water pump belt; if it's broken or loose, tighten or replace it.
B
Brandi DavisAug 27, 2025
What causes the battery of Jacobsen LF 570 Lawn Mower to not hold charge?
- K
  Kathleen DavisAug 27, 2025
  If the battery on your Jacobsen Lawn Mower isn't holding a charge and the battery light is on, several things could be wrong. Begin by inspecting and cleaning any loose or corroded battery terminals. Then, check the electrolyte level and refill it to the correct level if it's low. Also, inspect the alternator belt and tighten or replace it if it's loose or broken. For issues related to the charging system, consult the engine manual.
E
Eric JordanAug 31, 2025
How to fix uneven cutting by the reels on my Jacobsen LF 570 Lawn Mower?
- D
  Denise WalkerAug 31, 2025
  If the reels on your Jacobsen Lawn Mower are cutting unevenly, several adjustments might be needed. First, inspect the bedknife-to-reel adjustment. Ensure the engine speed is correct by running the engine at full throttle. Adjust the mow speed to suit the turf conditions for the best cut. Verify that the mow switch is set for forward rotation. Increase rear roller pressure by moving the down pressure spring one hole towards the spring. Improve front roller following by moving the down pressure spring one hole away from the spring.
M
meghan48Nov 6, 2025
Why my Jacobsen LF 570 engine will not start?
- J
  Jeffery CummingsNov 6, 2025
  If your Jacobsen Lawn Mower's engine won't start, several factors could be at play. First, ensure the parking brake is engaged, the traction pedal is in Neutral, and the mow switch is off; then, check the interlock system and follow the correct start-up procedure. If that's not the issue, the glow plug might not have timed out; in this case, reset the ignition switch and allow the glow plug to time out before attempting to crank the engine. Also, check the battery and its connections, ensure the fuel tank isn't empty or filled with dirty fuel (fill with fresh fuel, change the fuel filter, and bleed the fuel lines), and verify that no fuses are blown (replace if necessary). Defective relays and a misadjusted or defective neutral switch on the traction pedal can also prevent starting; test a...

Jacobsen LF 570 Specifications

General

Horsepower	24.8 HP
Number of Reels	5
Fuel Type	Diesel
Deck Type	Floating
Transmission	Hydrostatic

Summary

1 SAFETY

1.1 How to Operate Safely

Provides instructions for safe mower operation, preparation, and general operation guidelines.

ROPS Safety

Details safety precautions and usage guidelines for the Roll Over Protection Structure (ROPS).

Fuel Handling Safety

Outlines safety measures for handling flammable fuels to prevent hazards.

Maintenance and Storage Safety

Covers safety precautions for cleaning, adjusting, repairing, and storing the equipment.

Trailer Transport Safety

Provides safety instructions for loading and securing the mower onto a trailer.

1.2 Important Safety Notes

Lists critical safety notes, including hazard definitions (DANGER, WARNING, CAUTION, NOTICE).

2 SPECIFICATIONS

2.1 Product Identification

Details the identification of various mower models and serial number location.

2.2 V1505-E3 B Engine

Provides specifications for the Kubota V1505-E3B diesel engine.

2.3 V1505-T-E3 B Engine

Provides specifications for the Kubota V1505-T-E3B diesel engine.

2.4 MOWER

Lists general specifications for the mower, including tires, brakes, and speed.

2.5 WEIGHTS AND DIMENSIONS

Details the weights and dimensions for LF 550 and LF 570 models.

2.6 LF 550 TURBO CUTTING UNITS

Provides specifications for the LF 550 Turbo cutting units.

2.7 LF 570 CUTTING UNITS

Provides specifications for the LF 570 cutting units.

2.8 DECLARATION OF CONFORMITY

Presents the declaration of conformity for the equipment, including manufacturer details and standards.

Sound Power Level and Noise Assessment

Specifies the guaranteed sound power level and related conformity assessment procedures.

UK Notified Body for 2000;14;EC

Lists the UK notified body responsible for directives related to noise emissions.

Operator Ear Noise Level

Details the noise level experienced by the operator at ear level.

Harmonised Standards Used

Lists the harmonized standards applied to the equipment.

Technical Standards and Specifications Used

Lists the technical standards and specifications referenced for the equipment.

Declaration Details

Indicates the location and date when the declaration of conformity was made.

Declaration Signatory Information

Details the signature and authorization of the person compiling the technical file.

Certificate Number Reference

Refers to the certificate number associated with the equipment's conformity.

2.9 Vibration Level

Details hand/arm and whole body vibration levels measured during testing.

2.10 ACCESSORIES

Lists available accessories and attachments for the mower.

2.11 SUPPORT LITERATURE

Lists available support literature and manuals for the mower.

3 DECALS

Decal Descriptions

Explains the meaning and importance of various safety and operational decals on the machine.

Decal Explanations and Warnings

Provides explanations for additional decals, including starting assist fluid warnings.

4 CONTROLS

4.1 Control Icons Overview

Displays and explains symbols used for mower controls and indicators.

Control Layout and Identification

Illustrates the location of various controls on the mower armrest and steering column.

Armrest Control Functions

Describes the function of individual controls located on the armrest.

Other Control Functions

Details the functions of various controls like fuel cap, air cleaner, steering, and hydraulic oil.

12 Volt Accessory Outlet

Details the function and precautions for the 12-volt accessory outlet.

4.4 LCD DISPLAY UNIT (LDU)

4.4.1 Indicator Lights

Explains the function of various indicator lights on the LCD display unit.

4.4.2 Alarm Codes

Lists and explains alarm codes displayed by the LDU for system alerts.

4.4.3 Diagnostic Screens

Explains diagnostic screens that appear for troubleshooting system faults.

4.4.4 Operator Mode

Describes the operator mode for viewing mower status on the LDU.

5 OPERATION

5.1 DAILY INSPECTION

Outlines daily checks to perform before operating the mower.

5.2 INTERLOCK SYSTEM

Explains the mower's interlock system and provides tests to verify its function.

5.3 OPERATING PROCEDURES

Details general operating procedures, including safety warnings and best practices.

5.4 STARTING

Provides step-by-step instructions for starting the mower engine.

5.5 STOPPING; PARKING

Details procedures for stopping the mower and parking it safely.

5.6 TO DRIVE; TRANSPORT

Explains how to safely drive and transport the mower, including using transport bars.

5.7 MOWING

Provides instructions on how to operate the mower for cutting grass.

5.8 MOWING SPEED

Discusses optimal mowing speeds for cutting quality and conditions.

5.9 HILLSIDE OPERATION

Provides critical safety and operational guidelines for mowing on slopes.

How to Calculate a Slope

Details a method and chart for calculating slope angles and grades.

5.10 TOWING; TRAILERING

Provides instructions and safety precautions for towing or trailering the mower.

5.11 DAILY MAINTENANCE

6 MAINTENANCE & LUBRICATION CHARTS

6.1 GENERAL

Provides general guidelines and warnings before performing maintenance.

6.2 MAINTENANCE CHART

Details recommended service and lubrication intervals for mower components.

6.3 LUBRICATION CHART

Illustrates grease points and lubrication intervals for various mower components.

7 MAINTENANCE

7.1 GENERAL

Provides general safety and maintenance guidelines.

7.2 ENGINE

Emphasizes reading the engine manual and covers engine break-in recommendations.

7.3 ENGINE OIL

Details engine oil checking, changing, and recommended oil types.

7.4 AIR FILTER

Explains how to check and replace the air filter element.

7.5 FUEL

Provides safety instructions for handling fuel and filling the tank.

7.6 FUEL SYSTEM

Covers maintenance intervals for the fuel system and how to change the fuel filter.

7.7 BATTERY

Details safety precautions and procedures for servicing the mower battery.

7.8 JUMP STARTING

Provides instructions on how to safely jump-start the mower battery.

7.9 CHARGING BATTERY

Outlines safety precautions and procedures for charging the mower battery.

7.10 MUFFLER AND EXHAUST

Discusses safety related to exhaust fumes and maintenance of the muffler.

7.11 HYDRAULIC HOSES

Provides safety warnings and inspection guidelines for hydraulic hoses.

7.12 HYDRAULIC OIL

Details procedures for changing hydraulic oil and purging air from the system.

7.13 HYDRAULIC FILTERS

Explains how to replace hydraulic filters and the function of the warning light.

7.14 ELECTRICAL SYSTEM

Provides general precautions and details about the mower's electrical system.

7.15 RADIATOR

Details procedures for checking coolant level and maintaining the radiator.

7.16 ROLL OVER PROTECTIVE STRUCTURE (ROPS)

Provides inspection guidelines for the Roll Over Protective Structure (ROPS).

7.17 TIRES

Details tire inflation pressure and precautions for mounting tires.

7.18 WHEEL MOUNTING PROCEDURE

Provides step-by-step instructions for mounting wheels onto the mower.

7.19 CARE AND CLEANING

Outlines procedures for cleaning and maintaining the mower after use.

7.20 REEL BACKLAPPING

Provides detailed instructions on how to perform reel backlapping.

7.21 STORAGE

Details procedures for storing the mower, battery, engine, and cutting units.

After Storage Checks

Lists checks to perform after the mower has been in storage.

8 ADJUSTMENTS

8.1 GENERAL

Provides general warnings and guidelines before making any adjustments.

8.2 BEDKNIFE-TO-REEL (Pre-adjustment Check)

Details pre-adjustment checks for the bedknife-to-reel gap and blade condition.

8.3 BEDKNIFE ADJUSTMENT

Provides step-by-step instructions for adjusting the bedknife gap to the reel.

8.4 CUTTING HEIGHT

Explains how to adjust the cutting height of the mower reels.

8.5 FLASH ATTACH

Details procedures for installing and removing cutting units.

8.6 DOWN PRESSURE

Explains how to check and adjust down pressure for optimal cutting quality.

8.7 BELT

Details inspection and adjustment procedures for the mower belt.

8.8 FRONT REEL LIMIT SWITCH

Explains how to adjust the front reel limit switch for proper reel shutoff.

8.9 STEERING TOE-IN

Provides instructions for adjusting the steering toe-in for proper wheel alignment.

8.10 ARMREST HEIGHT ADJUSTMENT

Details how to adjust the height of the operator's armrests.

8.11 ARMREST PIVOT

Explains how to adjust the pivot plunger and hardware for the armrest.

8.12 TORQUE SPECIFICATION

Provides a chart of torque values for various fasteners used on the mower.

9 TROUBLESHOOTING

9.1 GENERAL

Lists common problems, their possible causes, and recommended actions.

10 QUALITY OF CUT

10.1 QUALITY OF CUT TROUBLESHOOTING

Recommends performing a "test cut" to diagnose mower performance issues.

10.2 WASHBOARDING

Describes washboarding, its causes, and remedies for this cutting defect.

10.3 MARCELLING

Describes marcelling, its causes, and remedies for this cutting defect.

10.4 STEP CUTTING

Describes step cutting, its causes, and remedies for this cutting defect.

10.5 SCALPING

Describes scalping, its causes, and remedies for this cutting defect.

10.6 STRAGGLERS

Describes stragglers, their causes, and remedies for uncut or poorly cut grass.

10.7 STREAKS

Describes streaks, their causes, and remedies for lines of uncut grass.

10.8 WINDROWING

Describes windrowing, its causes, and remedies for depositing clippings in lines.

10.9 RIFLING OR TRAMLINING

Describes rifling/tramlining, their causes, and remedies for wave-like cut appearance.

10.10 MISMATCHED CUTTING UNITS

Describes mismatched cutting units, their causes, and remedies for stepped cut appearance.

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