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Textron JACOBSEN R-311 69166 - User Manual

Textron JACOBSEN R-311 69166
402 pages
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R-311™
Rotary Mower
Technical/Repair Manual
69166

Table of Contents

Questions and Answers

  • P
    Patrick LittleAug 3, 2025
    What to do if the starter motor solenoid does not engage on my Textron JACOBSEN R-311 69166?
    • J
      Justin NealAug 3, 2025
      If the starter motor solenoid doesn't engage, check the following: First, test the 50A circuit breaker F1. Then, reset the 30A circuit breaker F2 if it's tripped. Ensure the park brake lever is in the locked position and the PTO switch is in the OFF position. Also, test the park brake switch, PTO switch, accessory relay, and key switch. Finally, measure continuity between the key switch and starter solenoid, ensuring continuity is indicated.
  • J
    john96Aug 18, 2025
    How to fix glow plugs that do not get hot on Textron Lawn Mower?
    • S
      Sara FitzpatrickAug 18, 2025
      If the glow plugs do not get hot, test the 50A circuit breaker F3. Check continuity between the 50A circuit breaker F3 and the glow plug solenoid terminal, the glow plug switch and glow plug solenoid terminal, and the glow plug solenoid terminal and ground; continuity must be indicated in all cases. Test the glow plug switch. With the glow plug switch in the ON position, measure voltage between the glow plug output terminal and ground; voltage must be approximately 12 VDC. Replace the glow plug solenoid if it is faulty. Clean and tighten the ring terminal connector at the glow plug terminal strip.

Summary

Safety

Introduction to Safety

General overview of safety principles for repair procedures.

Hazard Communication and Best Practices

Explains hazard symbols, alert words, safe work practices, and area preparation.

Specific Safety Guidelines

Covers safe handling of lifting equipment, compressed air, tires, fuel, chemicals, and systems.

Waste Disposal and Environmental Safety

Guidelines for proper disposal of waste materials and batteries.

Specifications and General Information

Mower Identification and Component Location

Locates and identifies key mower components, serial numbers, and machine identification.

General and Component Specifications

Provides detailed electrical, hydrostatic, and torque specifications.

Engine

Engine Specifications and Component Location

Details engine specifications and identifies components like filters, sensors, and belts.

Engine Checks, Adjustments, and Repair

Covers throttle cable adjustment, fuel system purging, and servicing engine parts.

Electrical

Electrical Specifications, Symbols, and Schematics

Provides electrical specs, component symbols, and diagrams of various electrical circuits.

Electrical Troubleshooting and Component Testing

Guides for diagnosing electrical faults and testing components like switches, relays, and solenoids.

Hydrostatic Power Train

Hydrostatic Power Train Specifications

Detailed specifications for pumps, motors, relief valves, and torque values.

Component Location and Schematics

Identifies components and illustrates traction circuit operation in various modes.

Troubleshooting and Testing Procedures

Guides for diagnosing system issues and performing tests on pumps and motors.

Hydraulics

Hydraulic Specifications and Component Location

Specs for pump flows, pressures, and component torques; identifies hydraulic components.

Hydraulic Schematics and Theory of Operation

Diagrams and explanations of steering, lift, and mower deck hydraulic circuits.

Hydraulic System Tests

Procedures for testing cylinder, pump, and motor leakage and relief valve pressures.

Steering

Steering Specifications and Component Location

Provides specifications and diagrams for steering system components.

Steering Linkage, Stops, and Relief Valve Adjustments

Procedures for adjusting tie rod, turning radius, stop bolts, and relief valve pressure.

Steering System Tests and Repair

Covers leakage tests and removal/installation of steering tower, wheel, unit, column, and cylinder.

Cutting Units

Cutting Unit Specifications

Provides torque specifications for blade retaining screws and adapter screws.

Cutting Unit Component Location, Tests, and Adjustments

Identifies components and covers deck leveling, rake, and final adjustments.

Cutting Unit Troubleshooting and Repair

Guides for diagnosing cut quality issues and servicing deck motors and blades.

Accessories and Miscellaneous Repair

Accessory Specifications and Component Location

Specs for tires, mower speed, brakes, and diagrams identifying accessory components.

Major Component Removal and Installation

Steps for removing/installing canopy, cowling, OPS, hood, and fuel tank.

Wheel, Brake, and Pedal Service

Procedures for removing/installing wheels, hubs, rotors, brake pedal, and caliper assembly.

Textron JACOBSEN R-311 69166 Specifications

General IconGeneral
BrandTextron
ModelJACOBSEN R-311 69166
CategoryLawn Mower
LanguageEnglish

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