Toro 51930 - User Manual

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Form No. 3329-634

Trimmer/Brushcutter

Model No. 51930—230000001 & Up

Model No. 51932—230000001 & Up

Model No. 51934—230000001 & Up

Model No. 51930A—230000001 & Up

Model No. 51932A—230000001 & Up

Model No. 51934A—230000001 & Up

Model No. 51936—230000001 & Up

Model No. 51938—230000001 & Up

Model No. 51940—230000001 & Up

Operator’s Manual

English (EN), French (F), and Spanish (ES)

WARNING:

To reduce the risk of injury, the user must read and understand the operator’s manual. Save this manual.

STOP

If you have questions concerning your

trimmer or brushcutter, please call us

at 1-866-574-9242 (US) or

1-866-574-9243 (Canadá).

Table of Contents

Questions and Answers:

S
Shawn Davis DVMJul 26, 2025
Why won't my Toro 51930 engine start?
- R
  Robert AlexanderJul 26, 2025
  If your Toro Brush Cutter engine won't start, first, ensure the switch is in the I (ON) position. If it still doesn't start, check for a spark by removing the spark plug, reattaching the cap, and laying it on the metal cylinder while pulling the starter cord. If there's no spark, try a new spark plug. Also, make sure the primer bulb fills with fuel when pushed. If it does not, the fuel delivery system may be blocked. If the bulb fills, the engine may be flooded. If the starter cord pulls harder than when new, contact an authorized service dealer.
T
Todd WagnerJul 31, 2025
Why does my Toro 51930 engine emit excessive smoke and not reach full speed?
- M
  maddenjamesJul 31, 2025
  If your Toro Brush Cutter engine doesn't reach full speed and emits excessive smoke, ensure you are using fresh fuel and the correct 2-cycle oil mix. Also, check and clean the air filter and the spark arrestor screen.
J
Jeremy HillAug 5, 2025
What to do if the line will not advance when using automatic line lengthening on my Toro 51930?
- L
  Lori MurphyAug 5, 2025
  If the line won't advance when using the automatic line lengthening feature on your Toro Brush Cutter, try lubricating the line with silicone spray if it's welded to itself. If there's not enough line, install more. You can also pull the line while pressing down on and releasing the retaining cap if the line is worn too short. If the line is tangled, remove it and rewind it. Finally, make sure the engine is at full throttle when advancing the line.
S
Stacey BullockAug 9, 2025
Why is oil dripping from the muffler of my Toro Brush Cutter?
- J
  Janice RobertsAug 9, 2025
  If oil drips from the muffler of your Toro Brush Cutter, try operating the product at full throttle. Also, ensure you are using fresh fuel and the correct 2-cycle oil mix, and check and clean the air filter.
K
Kara MeyerAug 15, 2025
How to prevent grass from wrapping around the trimmer head of my Toro 51930?
- J
  Jeffrey SmithAug 15, 2025
  To address grass wrapping around the trimmer head assembly and attachment shaft of your Toro Brush Cutter, cut tall grass from the top down and operate the product at full throttle.
M
Michael HunterAug 19, 2025
What to do if the retaining cap is hard to turn on my Toro 51930 Brush Cutter?
- F
  Frederick JonesAug 19, 2025
  If the retaining cap is hard to turn when using the automatic line lengthening feature on your Toro Brush Cutter, clean the threads and lubricate them with grease. If that doesn't solve the problem, replace the retaining cap.

Toro 51930 Specifications

General

Brand	Toro
Model	51930
Category	Brush Cutter
Language	English

Summary

Important Initial Information

Fueling Guidelines

Instructions for safely fueling the trimmer/brushcutter with gasoline.

Engine Starting Procedures

Guidance on starting the engine when cold, warm, or flooded.

Safety Rules

Operator Safety Preparations

Ensuring operator's well-being through condition, clothing, and protective gear.

Pre-Operation Checks and Setup

Checking product condition and ensuring correct setup before operation.

Safe Handling and Operation Practices

Guidelines for safe handling, fueling, work area management, and stopping.

Product Symbols

Key Safety Symbols Explained

Explanation of important safety symbols and their meanings.

Operational and Fuel Symbols

Features

Unpacking

Assembly

Connecting Shafts and Handles

Procedures for joining attachment shaft, power head, and front handle.

Attaching Shoulder Strap

Attaching Grass Deflector

Curved Shaft Deflector Installation

Straight Shaft Deflector Installation

Converting from Brushcutter to Trimmer

Removing Brushcutter Components

Installing Trimmer Head Assembly

Converting from Trimmer to Brushcutter

Removing Trimmer Components

Installing Brushcutter Blade and Guard

Operation

Fuel Mixing and Filling

Instructions for properly mixing fuel and filling the tank.

Starting the Product

Engine Starting Procedures

Step-by-step guide for starting cold and warm engines.

Safe Engine Stopping

Procedure for safely stopping the engine.

Operating the Trimmer

Trimmer Usage Instructions

How to use curved and straight shaft trimmers effectively.

Advancing the Cutting Line

Operating the Brushcutter

Maintenance

Product Cleaning Instructions

Servicing and Replacing Cutting Line

General servicing and replacing the cutting line.

Replacing the Spool

Filter Maintenance

Air Filter Cleaning Procedure

Spark Arrester Cleaning

Troubleshooting

Emission Control Warranty

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