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Husqvarna 525L User Manual

Husqvarna 525L
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GENERAL SAFETY PRECAUTIONS
10 – English
1156806-49 Rev. 1 2014-04-22
Cutting equipment
This section describes how to choose and maintain your
cutting equipment in order to:
Obtain maximum cutting performance.
Extend the life of cutting equipment.
Trimmer head
Only use the recommended trimmer heads and
trimmer cords. These have been tested by the
manufacturer to suit a particular engine size. This is
especially important when a fully automatic trimmer
head is used. Only use the recommended cutting
attachment. See the chapter on Technical data.
Smaller machines generally require small trimmer
heads and vice versa. This is because when clearing
using a cord the engine must throw out the cord
radially from the trimmer head and overcome the
resistance of the grass being cleared.
The length of the cord is also important. A longer cord
requires greater engine power than a shorter cord of
the same diameter.
Make sure that the cutter on the trimmer guard is
intact. This is used to cut the cord to the correct length.
To increase the life of the cord it can be soaked in
water for a couple of days before use. This will make
the cord tougher so that it lasts longer.
IMPORTANT!
Only use cutting attachments with the guards we
recommend! See the chapter on Technical data.
Refer to the instructions for the cutting attachment to
check the correct way to load the cord and the correct
cord diameter.
!
WARNING! Always stop the engine
before doing any work on the cutting
attachment. This continues to rotate even
after the throttle has been released.
Ensure that the cutting attachment has
stopped completely and disconnect the
spark plug cap before you start to work
on it.
!
WARNING! A faulty cutting attachment
may increase the risk of accidents.
IMPORTANT!
Always ensure the trimmer cord is wound tightly and
evenly around the drum, otherwise the machine will
generate harmful vibration.

Table of Contents

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Husqvarna 525L Specifications

General IconGeneral
Engine Displacement25.4 cm³
Weight4.7 kg
Sound Pressure Level at Operator's Ear94 dB(A)
Engine Type2-stroke
Shaft TypeStraight
Starter SystemSmart Start
Sound Power Level106 dB(A)
Fuel Tank Volume0.51 liters

Summary

Key to Symbols

Safety and PPE Symbols

Explains general warnings, PPE requirements like helmet, hearing, and eye protection.

Operational and Maintenance Symbols

Covers air purge, stop switch, speed, thrown objects, cleaning, and visual check symbols.

Emissions Warning

Details the California emissions warning for engine exhaust.

Important Pre-Operation Checks

General Safety Warnings Before Operation

Covers warnings on noise, modifications, and general machine danger before use.

Warranty and Emissions Information

Provides warranty disclaimers and details on emission control systems.

Introduction

Welcome and Company Background

Congratulates the customer and provides historical context of Husqvarna products.

Machine Components Identification

Labeled Parts Diagram and Key

Identifies and labels all major components of the machine with a numbered diagram.

General Safety Precautions

Important Operational Safety Guidelines

Covers machine usage, operator condition, maintenance, safety distances, and specific warnings.

Personal Protective Equipment (PPE)

Details required PPE including helmet, hearing, and eye protection.

General Safety Precautions (Continued)

Recommended Personal Protective Equipment (PPE)

Covers gloves, boots, clothing, and first aid kit requirements.

Machine Safety Features and Checks

Explains throttle trigger lockout and the importance of safety equipment maintenance.

General Safety Precautions (Continued)

Operation and Guard Safety

Details stop switch operation, cutting attachment guard function, and associated warnings.

Vibration Damping System and Risks

Explains the vibration damping system and hazards of overexposure to vibration.

General Safety Precautions (Continued)

Muffler Maintenance and Warnings

Details spark arrestor screen cleaning and safety warnings for hot mufflers.

General Safety Precautions (Continued)

Cutting Equipment Safety and Recommendations

Advises on using recommended guards, attachments, and handling cutting equipment safely.

Trimmer Head Usage and Cord Management

Provides guidance on winding trimmer cord, using recommended parts, and managing cord length.

Assembly Procedures

Attaching the Loop Handle

Step-by-step instructions for fitting the loop handle onto the shaft.

Assembling Cutting Equipment and Guards

Details attaching cutting attachment, guard, and drive disc, including safety warnings.

Fuel Handling and Safety

Fuel Safety and Precautions

Covers general fuel safety, transport, storage, and associated warnings.

Gasoline and Two-Stroke Oil Specifications

Details fuel type, octane, oil type, and mixing ratios for the engine.

Fuel Handling Procedures

Fuel Mixing Instructions

Provides steps for mixing gasoline and oil, including safety notes.

Refueling Safety and Steps

Outlines precautions and procedures for safe refueling of the machine.

Starting and Stopping Procedures

Pre-Starting Checks and Safety

Details essential checks before starting the engine and general safety setup.

Engine Starting Steps

Provides instructions for air purge, choke usage, and initial engine start.

Starting and Stopping Procedures (Continued)

Completing Engine Start-Up

Details the process of pulling the starter cord and operating the throttle.

Engine Stopping Procedure

Explains how to turn off the engine using the stop switch and related precautions.

Working Techniques and Safety

General Working Principles and Safety Rules

Covers general advice, area inspection, weather, and basic safety rules.

Safe Operation and Body Positioning

Details holding the machine, cutting attachment height, and movement precautions.

Working Techniques (Continued)

Trimming, Clearing, and Cutting Techniques

Explains methods for grass trimming, clearing vegetation, and cutting.

Sweeping Technique and Head Maintenance

Details the sweeping technique and importance of cleaning the trimmer head.

Maintenance Procedures

Carburetor Function and Adjustment

Explains the carburetor's role, adjustment controls, and idle speed settings.

Muffler Information

Discusses muffler function and notes regarding catalytic converters.

Maintenance Procedures (Continued)

Muffler Maintenance and Warnings

Details spark arrestor screen cleaning and safety warnings for hot mufflers.

Cooling System and Spark Plug

Covers cooling system cleaning and factors affecting spark plug condition.

Maintenance Procedures (Continued)

Spark Plug Maintenance and Replacement

Guides on checking, cleaning, gapping, and replacing the spark plug.

Air Filter and Bevel Gear Maintenance

Details air filter cleaning and bevel gear grease check.

Maintenance Schedule

Scheduled Maintenance Tasks

Provides a comprehensive checklist of daily, weekly, and monthly maintenance activities.

Technical Specifications

Machine Specifications and Levels

Lists detailed technical data for engine, sound, and vibration levels.

Recommended Accessories and Guards

Details approved cutting attachments and guards with part numbers.

Emissions Control Warranty

Warranty Rights, Obligations, and Coverage

Explains owner responsibilities, manufacturer coverage, and warranty period details.

Emissions Control Warranty Details

Warranty Claims, Parts, and Service

Covers warranty claim procedures, parts lists, exclusions, and service locations.

Tri Cut Accessory Instructions

Assembly and Usage Guide

Provides step-by-step visual instructions for assembling and using the Tri Cut accessory.

Alloy Trimmer Head Instructions

Installation and Loading Guide

Shows how to attach and load trimmer line into the Alloy trimmer head.

Super Auto II Trimmer Head Instructions

Loading and Operation Guide

Provides visual steps for loading trimmer line and operating the Super Auto II head.

T25 Trimmer Head Instructions

Assembly and Line Loading

Illustrates the steps for assembling and loading trimmer line into the T25 head.

T35, T35x Trimmer Head Instructions

Loading and Usage Guide

Details the process of loading trimmer line and using the T35/T35x trimmer heads.

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