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Husqvarna 576 XP/G AT - User Manual

Husqvarna 576 XP/G AT
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English
570, 576 XP/G
570 AT, 576 XP/G AT
Workshop manual

Table of Contents

Questions and Answers

  • B
    balvaradoAug 17, 2025
    Why is my Husqvarna 576 XP/G AT having starting difficulties?
    • M
      Mary DiazAug 17, 2025
      If your Husqvarna Chainsaw is hard to start, several factors could be the cause. A clogged air filter, a non-functional choke, or a worn choke shaft or valve can prevent proper air intake. Additionally, check for a clogged fuel filter or fuel line restricting fuel flow. In some cases, a stuck piston ring or a blocked impulse channel might also be the culprit. Try cleaning or replacing the air filter, repairing or replacing the choke, replacing the worn choke shaft or valve, cleaning or replacing the fuel filter, clearing the fuel line, unsticking or replacing the piston ring, and clearing the blocked impulse channel.
  • S
    Sara ThompsonAug 20, 2025
    Why is the carburettor leaking fuel on my Husqvarna 576 XP/G AT?
    • V
      vgallagherAug 20, 2025
      If your Husqvarna Chainsaw's carburettor is leaking fuel, it could be due to several reasons. Check for a loose or defective fuel hose and tighten or replace it as needed. A hole in the membrane can also cause leaks, so replace the membrane. Additionally, the control system might be jamming or set too high; repair the system or adjust it accordingly. Leaks in the control system itself or a loose cover on the carburettor pump side could also be responsible; repair or replace the leaking components and tighten the cover.
  • P
    pfryeAug 22, 2025
    Why my Husqvarna 576 XP/G AT Chainsaw does not run at full throttle?
    • B
      Brandon ScottAug 22, 2025
      If your Husqvarna Chainsaw won't run at full throttle, here are some potential causes and solutions: * Check for a blocked air filter and clean or replace it. * Ensure the tank venting isn't clogged; unclog it if necessary. * Inspect the fuel filter and fuel line for blockages; clean or clear them. * Tighten or replace any loose or defective fuel hoses. * Address any leaks or blockages in the impulse channel by repairing or clearing them. * Also, make sure the cover on the carburettor pump side is tightened. * Consider replacing a faulty pump diaphragm or addressing issues with the control system, such as incorrect assembly, damage, jamming, or improper settings. Finally, ensure the muffler is not blocked by clearing it.
  • K
    Kevin BellAug 25, 2025
    How to fix irregular idling on my Husqvarna 576 XP/G AT Chainsaw?
    • C
      Christopher WilliamsAug 26, 2025
      Irregular idling in your Husqvarna Chainsaw can stem from various issues. Start by checking the fuel filter and fuel line for clogs; clean or replace them as needed. Inspect the inlet hose for leaks and replace if necessary. Ensure the carburettor clamping screws are tight. Other potential causes include a worn throttle valve shaft or valve, a loose throttle valve screw, leaks in the control system, a worn control system centre knob, a hole in the membrane, a leaking control diaphragm/cover plate, or a crankcase leak. Address these by replacing the worn parts, tightening screws, repairing leaks, or sealing the crankcase.
  • Y
    ysotoAug 27, 2025
    What causes my Husqvarna 576 XP/G AT not to run when idling?
    • A
      Anthony FernandezAug 27, 2025
      If your Husqvarna Chainsaw fails to run when idling, several factors could be responsible. A leaking inlet hose or loose carburettor clamping screws can cause this issue; replace the hose and tighten the screws. Also, check the fuel filter and fuel line for clogs, and unclog the tank venting if necessary. Furthermore, a sluggish throttle valve shaft, a jamming throttle stay, a defective throttle return spring, a bent valve shaft stop, or a faulty diffuser jet could be the cause. Try lubricating or replacing the throttle valve shaft, repairing the throttle stay, replacing the throttle return spring, straightening or replacing the valve shaft stop, and replacing the diffuser jet.
  • M
    Matthew TurnerAug 30, 2025
    What to do if my Husqvarna 576 XP/G AT Chainsaw floods when the engine is not running?
    • J
      John MitchellAug 30, 2025
      If your Husqvarna Chainsaw floods when the engine is not running, it could be due to the control system being set too high or the control system jamming. Adjusting or repairing the control system may resolve the issue.
  • L
    Luis BarajasSep 4, 2025
    Why my Husqvarna 576 XP/G AT Chainsaw is low on power?
    • R
      Rhonda ConradSep 4, 2025
      A Husqvarna Chainsaw lacking power may suffer from several issues. Begin by checking for a clogged tank vent, fuel filter, or blocked impulse channel; unclog or clean these as needed. Inspect for a leaking impulse channel or control system, repairing or replacing parts as necessary. Ensure the carburettor pump cover is tight and the pump diaphragm is in good condition. Other potential causes include a blocked air filter, a jamming or incorrectly assembled control system, a loose diaphragm rivet, a hole in the membrane, or a leak in the control diaphragm/cover plate. Address these by repairing, replacing, or tightening the affected components.
  • S
    Scott PhillipsSep 6, 2025
    Why does my Husqvarna 576 XP/G AT engine stop when releasing the throttle?
    • B
      Bradley LeSep 6, 2025
      If the engine of your Husqvarna Chainsaw stops when you release the throttle, it could be due to a faulty pump diaphragm, a control system set too high or jamming, or a faulty diffuser jet. Consider replacing the pump diaphragm, adjusting or repairing the control system, or replacing the diffuser jet to resolve the issue.
  • N
    Nathan RobertsSep 9, 2025
    What to do if my Husqvarna 576 XP/G AT has a too high idling speed?
    • D
      Diane ThompsonSep 9, 2025
      If your Husqvarna Chainsaw has a too high idling speed, it could be due to a worn lever arm in the control system or a leaking control diaphragm/ cover plate. To solve this, try replacing the worn lever arm or the leaking control diaphragm/cover plate.
  • A
    Ashley AnthonySep 12, 2025
    Why there is too much fuel on idling on my Husqvarna 576 XP/G AT?
    • L
      Linda ColemanSep 12, 2025
      If there is too much fuel on idling on your Husqvarna Chainsaw, it might be caused by leaking control diaphragm/ cover plate. You can fix this by replacing the leaking control diaphragm/cover plate.

Summary

Introduction

General

Provides a comprehensive description of how to troubleshoot, repair, and test the chainsaw.

Safety

Emphasizes reading and understanding safety sections for repair and service work.

Safety Regulations

General Instructions

Workshop must be equipped with safety equipment as per local regulations.

Special Instructions

Details hazardous fuel properties and safety precautions during operation.

Safety Equipment

Chain Brake Dismantling

Steps to dismantle the chain brake mechanism.

Chain Brake Inspection

Procedure for cleaning and inspecting chain brake parts.

Chain Brake Assembly

Steps to assemble the chain brake mechanism.

Chain Brake Function Check

Steps to check the chain brake function after repair.

Starter

Starter Dismantling

Steps for dismantling the starter unit.

Starter Cleaning and Inspection

Procedure for cleaning and inspecting starter components.

Starter Assembly

Steps for assembling the starter unit.

Electrical System

Ignition System Dismantling

Steps for dismantling the ignition system components.

Ignition System Assembly

Steps for assembling the ignition system components.

Replacing the Generator

Steps to remove parts to replace the generator.

Generator Replacement Steps

Steps to dismantle cables and screws for generator replacement.

Centrifugal Clutch

Centrifugal Clutch Dismantling

Steps for dismantling the centrifugal clutch.

Centrifugal Clutch Cleaning and Inspection

Procedure for cleaning and inspecting clutch components.

Centrifugal Clutch Assembly

Steps for assembling the centrifugal clutch.

Lubrication System

Lubrication System Dismantling

Steps for dismantling the oil pump and related parts.

Lubrication System Cleaning and Inspection

Lubrication System Assembly

Carburettor

Carburettor Dismantling

Carburettor Component Removal

Carburettor Cleaning and Inspection

Carburettor Assembly

Carburettor Pressure Testing

Carburettor Refitting to Chainsaw

EPA II Carburettor Basic Adjustment

Adjustment procedure for EPA II saws with speed-limited systems.

H-Needle or Carburettor Replacement

L-Needle Replacement

Air Screw Adjustment

Anti-Vibration System

Anti-Vibration System Dismantling

Anti-Vibration System Cleaning and Inspection

Anti-Vibration System Assembly

Troubleshooting

Troubleshooting: Starting

Lists faults and probable causes for starting difficulties.

Troubleshooting: Carburettor Fuel Leaks

Lists faults and probable causes for fuel leaks from the carburettor.

Troubleshooting: Engine Flooding

Lists faults and probable causes for engine flooding.

Troubleshooting: Idling Issues

Lists faults and probable causes for idling issues.

Troubleshooting: High Speed Performance

Troubleshooting: Acceleration and Retardation

Troubleshooting Techniques

Husqvarna 576 XP/G AT Specifications

General IconGeneral
BrandHusqvarna
Model576 XP/G AT
CategoryChainsaw
LanguageEnglish

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