Husqvarna 550XP Mark II User Manual

545 Mark II, 545G Mark II, 550XP
®
Mark II,
550XP
®
G Mark II
EN Operator's manual 2-39
ES-MX Manual de usuario 40-82
FR-CA Manuel d’utilisation 83-125

Husqvarna 550XP Mark II Specifications

General

Cylinder Displacement	50.1 cm³
Oil Tank Volume	0.26 l
Chain Pitch	3/8"
Vibration Level (front/rear handle)	3.3/4.9 m/s²
Maximum Power Speed	10200 rpm
Fuel Tank Volume	0.5 L
Recommended Bar Length, Min-Max	13-20 in
Chain Gauge	0.05 in

Summary

General Safety Guidelines

General Safety Instructions

Safety Instructions for Operation

Offers crucial instructions for safe operation, including kickback avoidance.

Operating Procedures and Precautions

Safe Operating Practices

Details practices for safe operation, avoiding fatigue, weather, and improper use.

Handling Precautions

Product Safety Features

Personal Protective Equipment (PPE)

Lists and describes essential personal protective equipment for chainsaw operation.

Safety Devices Overview

Operational Safety Essentials

Fuel Safety Precautions

Provides essential safety instructions for handling fuel and refuelling.

Maintenance Safety Instructions

Cutting Equipment Safety

Details safety precautions related to the guide bar, saw chain, and filing equipment.

Pre-Operation Checks and Fueling

Pre-Operation Function Check

Lists essential checks to ensure the product is safe and functional before use.

Fuel Requirements and Mixing

Details the correct fuel mixture, gasoline, and two-stroke oil specifications.

Fueling and Chain Oil Procedures

Fuel Mixing and Filling Procedures

Provides detailed instructions on mixing fuel ratios and filling the fuel tank safely.

Chain Oil Usage and Safety

Explains the correct chain oil to use and safety warnings related to lubrication.

Understanding and Preventing Kickback

Kickback Prevention and Information

Explains kickback, its causes, how to prevent it, and common questions.

Kickback FAQs

Answers frequently asked questions regarding chain brake engagement during kickback.

Chainsaw Starting Procedures

Cold Engine Start Preparation

Details the necessary steps before attempting to start a cold engine.

Warm Engine Start Preparation

Details the necessary steps before attempting to start a warm engine.

Chainsaw Starting Procedure

Completes the starting procedure, including pulling the starter rope and releasing the lockout.

Tree Felling Techniques

Cutting Tensioned Branches

Provides methods for cutting branches or trees under tension, emphasizing safety.

Tree Felling Technique

Guides users on the experience and knowledge required for felling trees safely.

Maintaining Safe Distances

Calculating Felling Direction

Details how to examine the tree and environment to determine the safest felling direction.

Felling Preparation and Methods

Clearing Work Area and Retreat Path

Felling Hinge Importance

Explains the critical role of the felling hinge in controlling the direction of fall.

Making Directional Felling Cuts

Guides on making the top and bottom directional cuts for controlled felling.

Advanced Felling Techniques

Safe Corner Felling Method

Details the safe corner method for making felling cuts and controlling the fall.

Freeing a Trapped Tree

Specialized Cutting and Weather Operations

Cutting Tensioned Wood Safely

Provides methods for cutting branches or trees under tension, emphasizing safety.

Safety Device Checks and Inspections

Brake Band and Chain Brake Inspection

Provides steps to inspect the brake band for wear and the chain brake's activation.

Front Guard and Throttle System Checks

Details checks for the front hand guard, throttle trigger, and lockout mechanisms.

Rear Brake Trigger Check (TrioBrake)

Saw Chain and Cutter Maintenance

Saw Chain Sharpening Guide

Explains how to sharpen the saw chain for optimal cutting and reduced kickback risk.

Cutter Sharpening Principles

Explains the principles of sharpening saw chain cutters for performance.

Sharpening and Depth Gauge Adjustments

Sharpening Saw Chain Cutters

Step-by-step instructions for sharpening the cutting teeth using a file and gauge.

Depth Gauge Setting Explained

Explains the purpose and importance of the depth gauge setting.

Adjusting Depth Gauge Setting

Provides instructions on how to adjust the depth gauge setting correctly.

Saw Chain Tension and Lubrication

Adjusting Saw Chain Tension

Details how to properly adjust the saw chain tension to prevent derailment and wear.

Checking Saw Chain Lubrication

Tank Maintenance and Oil Flow Adjustment

Fuel and Chain Oil Tank Maintenance

Adjusting Chain Oil Flow

Troubleshooting Engine Problems

Troubleshooting Engine Issues

Engine Starting Problems

Recommended Cutting Equipment

Recommended Cutting Equipment

Low Kickback Saw Chain

Kickback and Guide Bar Nose Radius

Approved Cutting Equipment Specifications

Approved Cutting Equipment (545 Series)

Approved Cutting Equipment (550XP Series)

Filing Equipment and Angles

Filing Equipment and Angles

Chainsaw Safety Standards

American Standard Safety Precautions

Kickback Safety Precautions

Details specific warnings and actions to prevent kickback incidents.

Additional Safety Precautions