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Jacobsen R-311T - User Manual

Jacobsen R-311T
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Safety & Operation Manual
When Performance Matters.
WARNING
If incorrectly used, this machine can cause severe injury. Those who use
and maintain this machine should be trained in its proper use, warned of its
dangers and should read the entire manual before attempting to set up,
operate, adjust or service the machine
GB
United
Kingdom
R-311T
Rotary Mower with folding ROPS
69171 – Kubota
®
V2403-M-T
4227680-GB-Rev A

Other manuals for Jacobsen R-311T

Questions and Answers

  • C
    Christine BanksSep 23, 2025
    How to fix a Jacobsen R-311T Lawn Mower battery that is not holding charge?
    • K
      Kathryn LawsonSep 23, 2025
      If the battery of your Jacobsen Lawn Mower isn't holding a charge, start by inspecting and cleaning any loose or corroded battery terminals. Then, check the electrolyte level and refill to the correct level if it's low. Also, check the alternator belt and tighten or replace it if it's loose or broken. For a defective charging system, consult the engine manual.
  • T
    Tammie JacksonAug 23, 2025
    Why my Jacobsen Lawn Mower engine will not start?
    • J
      John MillerAug 23, 2025
      If your Jacobsen Lawn Mower engine won't start, several factors could be at play. First, verify that the parking brake is engaged, the traction pedal is in neutral, and the PTO switch is off. Next, check the battery's condition and connections. Also, ensure the fuel tank isn't empty or filled with dirty fuel, and that the fuel shut-off valve is open. Finally, inspect the circuit breaker and reset it if necessary.
  • C
    Cindy RossAug 25, 2025
    Why is my Jacobsen R-311T Lawn Mower engine overheating?
    • A
      Ashley ThomasAug 25, 2025
      If your Jacobsen Lawn Mower engine is overheating, here's what could be happening: 1. The coolant level may be low. Check the coolant level and add more if needed. 2. The air intake might be restricted. Clean the cooling air intake. 3. The water pump belt could be broken or loose. Tighten or replace the belt. 4. The engine may be overloaded. Reduce your forward speed.
  • X
    xdukeAug 26, 2025
    What to do if my Jacobsen Lawn Mower engine is overheating?
    • M
      Matthew JohnsonAug 27, 2025
      If your Jacobsen Lawn Mower engine is overheating, start by checking the coolant level and adding coolant if needed. Then, clean the cooling air intake to ensure it's not restricted. Inspect the water pump belt for looseness or breakage, tightening or replacing it as necessary. Lastly, reduce the forward speed to avoid engine overload.
  • R
    Rickey GutierrezAug 27, 2025
    How to fix Jacobsen Lawn Mower engine that is hard to start?
    • J
      Jennifer MatthewsAug 27, 2025
      If your Jacobsen Lawn Mower engine is hard to start or runs poorly, begin by ensuring the fuel level is adequate and the fuel or fuel filter isn't dirty; fill with fresh fuel, change the fuel filter, and bleed the fuel lines. Next, inspect and replace the air filter if it's dirty. For issues with the injectors or fuel pump, or if it's an engine problem, consult the engine manual.
  • D
    Debra WileySep 18, 2025
    Why implement does not raise or lower on my Jacobsen R-311T Lawn Mower?
    • T
      Tamara ChanSep 18, 2025
      If the implement on your Jacobsen Lawn Mower does not raise or lower, check the hydraulic oil level and fill as needed.
  • J
    Jacob MillerSep 15, 2025
    Why Jacobsen Lawn Mowers do not cut or cut unevenly?
    • A
      Amanda ReeseSep 15, 2025
      If the mowers on your Jacobsen Lawn Mower do not cut or cut unevenly, ensure the cutting units are fully lowered to the ground. Check the engine speed to make sure it's adequate. Also, verify the hydraulic oil level and fill the reservoir if needed.
  • P
    pmendozaSep 16, 2025
    How to troubleshoot Jacobsen R-311T Lawn Mower gauges/indicator not operating?
    • S
      Stacy HernandezSep 16, 2025
      If the gauges or indicators on your Jacobsen Lawn Mower are not operating, reset the circuit breaker and check the bulb. Also, check the electrical connections for any loose wiring.
  • R
    reyesderrickSep 6, 2025
    Why do my Jacobsen Lawn Mowers not cut or cut unevenly?
    • T
      Todd AndrewsSep 7, 2025
      If the Jacobsen Lawn Mower mowers do not cut or cut unevenly: * Ensure the cutting units are fully lowered to the ground. * Check the engine speed and run the engine at full throttle if it’s too low. * Check the hydraulic oil reservoir level and fill if needed.
  • A
    Anthony SmithSep 4, 2025
    What to do if my Jacobsen R-311T engine stops?
    • A
      andrew47Sep 4, 2025
      If your Jacobsen Lawn Mower engine stops, it could be due to: * An empty fuel tank. Refill with fresh fuel and bleed the fuel lines. * Interlocks not being set before you leave the operator’s seat. Engage the parking brake, set the reel switch to OFF, and put the traction pedal in Neutral.

Summary

Safety Information

Operating Safety

Essential safety guidelines for operating the mower.

Important Safety Notes

Key safety alerts, warnings, and hazard symbol explanations.

Decals and Warnings

Machine Decals and Alerts

Identification and explanation of critical safety and operational decals and alerts on the machine.

Controls and Indicators

Control Icons

Explains the meaning of various symbols used for mower controls.

Control Descriptions

Identifies and describes individual controls by letter and name.

Control Panel Levers

Details the function of specific control levers on the panel.

Control Panel Switches

Explains the operation of various switches on the control panel.

Gauges, Lights, and Circuit Breakers

Describes gauges, warning lights, and circuit breakers for system monitoring.

Warning Lights Explained

Details machine system monitoring alerts and required actions for each warning light.

Machine Operation and Maintenance

Daily Inspection and Interlock System

Outlines daily checks and the safety interlock system functionality.

Operating Procedures

Provides general guidelines for safe machine operation and handling.

Starting, Stopping, and Parking

Details the procedures for starting, stopping, and parking the engine and mower.

Driving, Transport, and Hillside Operation

Covers transport latches, driving, and safe operation on slopes.

Mowing and Maintenance

Explains mowing techniques, ROPS folding, towing, and daily maintenance tasks.

Quality of Cut Troubleshooting

Test Cut Procedures

Guidance on performing test cuts and verifying mower performance.

Washboarding and Step Cutting

Explains washboarding and step cutting, their causes and remedies.

Scalping and Stragglers

Describes scalping and stragglers, their causes and remedies.

Streaks, Windrowing, and Mismatched Units

Explains streaks, windrowing, and mismatched units and their causes/remedies.

Notes

General Notes

Contains general notes or remarks not fitting other categories.

Jacobsen R-311T Specifications

General IconGeneral
Cutting Width21 in
WeightNot available
Fuel TypeGasoline
Engine TypeKohler CH740
Drive TypeHydrostatic
Height of Cut1.5 to 5 inches
EngineKohler CH740
TransmissionHydrostatic
Cutting Height Range1.5 to 5 inches

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