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Husqvarna 272K User Manual

Husqvarna 272K
124 pages
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101 88 55-26
Workshop Manual
Husqvarna Chain Saws
Eng, front 96-09-13, 10.381

Table of Contents

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Husqvarna 272K Specifications

General IconGeneral
BrandHusqvarna
Model272K
CategoryChainsaw
LanguageEnglish

Summary

Introduction

General

Provides general information about the workshop manual's purpose and scope.

Safety

Highlights the importance of reading and understanding safety precautions before performing service.

Tools

Mentions the use of special tools and that required tools are listed in the manual.

Safety Regulations

General Instructions

Emphasizes the need for proper safety equipment and understanding manual contents before repairs.

Special Instructions

Details specific safety hazards related to fuel, chain brake, and handling hot components.

Technical Data

Tools

Tools for all chain saws

Lists tools that are common across all Husqvarna chain saw models.

List of tools

A comprehensive index of all tools with order numbers and designations.

Service Data

Saws 36 and 41

Provides specific technical data and service specifications for Husqvarna models 36 and 41.

Saws 42, 242 and 246

Provides specific technical data and service specifications for Husqvarna models 42, 242 and 246.

Saws 40 and 45

Provides specific technical data and service specifications for Husqvarna models 40 and 45.

Saws 51 and 55

Provides specific technical data and service specifications for Husqvarna models 51 and 55.

Saws 61, 268 and 272

Provides specific technical data and service specifications for Husqvarna models 61, 268 and 272.

Trouble Shooting

Trouble shooting schematic

Outlines common faults and their probable causes, categorized by engine operation.

Starting

Lists potential issues and their causes related to starting the chain saw.

Idling (low rpm)

Details common problems related to low-speed idling and their potential causes.

Safety Equipment

Chain brake

Details dismantling, cleaning, inspection, and assembly of the chain brake mechanism.

Muffler

Covers dismantling, cleaning, inspection, and assembly procedures for the muffler.

Throttle lock

Explains the dismantling and assembly procedures for the throttle lock mechanism.

Starter

Dismantling

Provides step-by-step instructions for dismantling the starter unit.

Assembly

Details the process of assembling the starter unit, including cord and spring installation.

Electrical System

Ignition system

Covers checking, dismantling, and reassembling the ignition module and coil.

Centrifugal Clutch

Dismantling

Provides detailed steps for dismantling the centrifugal clutch, including model variations.

Assembly

Details the assembly process for the centrifugal clutch, including shoe and spring fitting.

Lubrication System

Dismantling

Covers dismantling the oil pump drive and the oil pump itself for various models.

Assembling the oil pump

Provides steps for assembling the oil pump for different Husqvarna saw models.

Carburettor

Operation

Describes carburetor operation in different modes: Cold start, Idling, Part throttle, Full throttle.

Dismantling

Covers the process of dismantling the carburetor, including removing plugs and jets.

Carburettor Models

Details dismantling procedures for specific carburetor models like Tillotson HS 228 B.

Carburettor Pressure Testing

Instructions on performing a pressure test on the carburetor and interpreting results.

Piston and Cylinder

Dismantling

Covers dismantling the cylinder cover, spark plug, carburetor, muffler, and cylinder.

Assembly

Details fitting the needle bearing, piston, gudgeon pin, cylinder, and crankcase halves.

Crankcase and Crankshaft

Dismantling

Lists parts to remove before splitting the crankcase and describes splitting the crankcase.

Assembly

Instructions for fitting bearings and seals, including heating crankcase halves.

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