Husqvarna 142 User Manual

530165144 2/8/05
137 / 142
WARNING:
Read and follow all Safety Rules and Operating Instructions before
using this product. Failure to do so can result in serious injury.
Instruction Manual

Husqvarna 142 Specifications

General

Power output	1.9 kW
Engine displacement	40.9 cm³
Weight	4.6 kg
Fuel tank volume	0.37 liters
Chain pitch	3/8 inch
Chain gauge	0.050 inch
Oil tank volume	0.2 liter
Bar length	40 cm (16 in)

Summary

Safety Rules and Operation

Plan Ahead for Safe Operation

Prepare for safe operation and restrict saw use to trained adults.

Safe Saw Operation Guidelines

Guidelines for safe operation, including two-handed grip and proper work environment.

Maintain Saw in Good Working Order

Ensure the saw is in good condition, with sharp chain and functional brake.

Handle Fuel With Caution

Precautions for safe handling and storage of fuel to prevent fire hazards.

Kickback Hazards and Prevention

Understanding Kickback Causes

Recognize kickback causes like tip contact and pinch, and how to avoid them.

Reducing the Chance of Kickback

Tips to minimize kickback, including chain sharpness, proper tension, and clear work areas.

Maintain Control While Operating

Proper body positioning and grip to maintain control of the saw during operation.

Kickback Safety Features

Reduced-Kickback Guide Bar Features

Guide bar designed with a small radius tip to reduce kickback danger zone.

Low-Kickback Chain Features

Chain with contoured depth gauge to deflect kickback force.

Front Hand Guard Function

Reduces chance of hand contacting chain if grip is lost.

Handlebar Ergonomic Design

Ergonomic design for balance and resistance during kickback.

Chain Brake and CKA Angle

Details on the chain brake's operation and its role in preventing kickback injuries.

Computed Kickback Angle Data

CKA Standards and Recommendations

Explanation of CKA values and recommended bar/chain combinations for safety.

Vibration Exposure Safety Notice

Warning about potential health effects from prolonged vibration exposure.

Muffler and Spark Arrester Notice

Information regarding the muffler and spark arresting screen components.

Assembly Instructions

Attaching the Bar and Chain

Step-by-step guide for installing the guide bar and saw chain.

Chain Tension Adjustment

Instructions for checking and adjusting chain tension for optimal performance.

Fueling the Engine

Bar and Chain Lubrication

Operating Your Unit

Starting a Cold Engine

Procedure for starting the engine when cold or after running out of fuel.

Starting a Warm Engine

Procedure for starting the engine when it is already warm.

Difficult Engine Starting

Troubleshooting steps for a flooded engine or difficult starting conditions.

Chain Brake Operation

Explanation of the chain brake's operation and safety warnings.

Cutting Methods Overview

Tree Felling Techniques

Planning and execution of safe tree felling, including retreat paths.

Important Cutting Points

General tips for safe and effective cutting, including chain tension and throttle use.

Felling Large Trees

Notch Cut and Felling the Tree

Detailed steps for making notch cuts and felling large trees.

Cutting a Fallen Tree (Bucking)

Types of Cutting Used for Bucking

Description of cutting techniques like overcutting and undercutting.

Bucking Methods

Bucking Without a Support

Techniques for cutting logs without external support, avoiding pinching.

Bucking Using a Log or Support Stand

Methods for cutting logs supported by stands or other logs.

Limbing and Pruning

Limbing Techniques

Safe procedures for removing branches from a felled tree.

Pruning Techniques

Guidelines for safely pruning branches at or below shoulder height.

Service and Adjustments

Maintenance Schedule Overview

Recommended maintenance tasks and their frequencies for optimal performance.

Air Filter Cleaning and Maintenance

Instructions for cleaning and maintaining the air filter for engine efficiency.

Muffler and Spark Arresting Screen

Information regarding the muffler and spark arresting screen components.

Carburetor Adjustments

Procedures for adjusting the carburetor for optimal engine performance.

Idle Speed-T Adjustment

Specific steps to adjust the idle speed screw for correct engine idling.

Bar Maintenance

Chain Sharpening

Ignition Timing

Spark Plug Replacement

Storage Guidelines

Troubleshooting Table

Limited Warranty Statement

Emission Control Warranty Statement

Warranty Rights and Obligations

Overview of owner's responsibilities and rights regarding emissions warranty.

Manufacturer's Warranty Coverage

Details on what parts are covered by the manufacturer's emissions warranty.

Owner's Warranty Responsibilities

Owner's duties for maintenance and proper use to maintain warranty.

What is Covered: Parts Repair/Replacement

Explains that warranted parts will be repaired or replaced at no cost.

Diagnosis Coverage

Owner will not be charged for diagnostic labor leading to warranted part determination.

Consequential Damages Liability

Husqvarna may be liable for damages to other components caused by a warranted part failure.

What is Not Covered

Lists failures not covered, such as abuse, neglect, or improper maintenance.

Add-On or Modified Parts

Use of non-approved parts can void warranty claims.

How to File a Claim

Guidance on contacting Husqvarna for warranty claims.

Where to Get Warranty Service

Information on locating and contacting authorized service centers.

Emission Parts Maintenance/Repair

Use of approved parts for emission systems during warranty service.

Maintenance Statement Responsibility

Owner is responsible for performing all required maintenance as per manual.