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Toro 51957 User Manual

Toro 51957
20 pages
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17 in. String Trimmer - Curved Shaft
Model No. 51957—313000001 & Up
18 in. String Trimmer - Straight Shaft
Model No. 51977—313000001 & Up
English (EN), French (FR), and Spanish (ES)
WARNING:
To reduce the risk of injury, the user must read and understand the operators manual. Save this manual.
Form No. 3376-828 Rev. A
If you have questions concerning
your trimmer, please call us
at 1-866-574-9242 (US) or
1-866-574-9243 (Canada).
NOTICE
Do not use E15, E20, or E85 fuel (or fuel
containing greater than 10% ethanol) in
this product. It is a violation of federal law
and will damage the unit and void your
warranty.
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Toro 51957 Specifications

General IconGeneral
TypeString Trimmer
Power SourceGas
Cutting Width17 inches
Line Diameter0.095 inches
Line FeedBump Feed
Handle TypeLoop Handle
Warranty2 years
Engine Type2-Cycle
Cutting Path17 inches
Fuel Tank Capacity14.9 oz
Shaft TypeStraight Shaft

Summary

Introduction

General Safety Rules

Specific Safety Rules

Specific Safety Rules For Trimmer Use

Rules for safe operation of the string trimmer, including guards and attachments.

Symbols

Signal Words and Meanings

Explains DANGER, WARNING, CAUTION, and NOTICE signal words.

Product Symbols Explained

Defines symbols related to safety alerts, manual references, and fuel types.

Product Labels

Features

Product Specifications

Details engine, cutting width, line size, and weight for the trimmer models.

Know Your Product

Engine and Components

Describes the engine, grass deflector, grass shield, and ergonomic design.

Trimmer Models Overview

Illustrates and labels parts of the Curved Shaft and Straight Shaft Trimmers.

Assembly

Unpacking and Initial Inspection

Instructions for unpacking, checking contents, and inspecting for damage.

Packing List and Warnings

Lists included parts and provides critical warnings regarding missing or damaged components.

Connecting and Removing Attachments

Steps for attaching and detaching trimmer attachments to the power head.

Attaching the Front Handle

Guide for securely installing the front handle using provided screws.

Attaching the Grass Deflector

Instructions for attaching the grass deflector to both curved and straight shaft trimmers.

Operation

Applications and Fueling

Outlines trimmer uses, fuel mixture, and safe fueling procedures.

Oxygenated Fuels Notice

Advises against using fuels with ethanol content over 10% to prevent damage.

Starting and Stopping Procedures

Step-by-step guide for starting cold/warm engines and stopping the trimmer.

Operating the Trimmer

Instructions for operating curved and straight shaft trimmers, including proper posture.

Line Advance and Cutting Tips

How to advance cutting line and general tips for effective and safe trimming.

Installing String Line

Detailed steps for loading new cutting line into the Reel-Easy™ string head.

Maintenance

General Maintenance and Cleaning

Guidance on cleaning the product, avoiding solvents, and general upkeep.

Servicing and Fuel System Checks

Procedures for checking fasteners, fuel cap, tank, and lines for leaks or issues.

Air Filter Cleaning

Steps to remove, clean, and re-oil the air filter for optimal engine performance.

Spark Arrestor Replacement

Instructions for replacing the spark arrestor screen to maintain engine performance.

Spark Plug Replacement

Guide for replacing the spark plug, including gap specifications and proper installation.

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