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Mack 946401 - User Manual

Mack 946401
17 pages
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Owner/Operator Manual
Models
946401 - ST622
String Trimmer
04645100C 2/02
Supercedes 04645100, A-B
Printed in USA
ENGLISH
FRANÇAIS
ESPAÑOL
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Questions and Answers

Summary

Controls and Features

Introduction

Model and Serial Numbers

Locate and record model and serial numbers for service inquiries and parts orders.

Product Registration

Instructions for completing and returning the warranty registration card to activate warranty.

Unauthorized Replacement Parts

Delivery

Safety

Safety Alerts and Symbols

Explanation of safety alert symbols and signal words used in the manual.

Practices and Laws

Guidelines for safe working practices and adherence to local laws.

Required Operator Training

Importance of training for anyone operating the unit other than the original purchaser.

Safety Decals and Locations

Assembly Safety Rules

Safety precautions to follow before and during assembly of the unit.

Operational Safety Rules

Key safety practices and interlock system details for safe operation.

Fuel Safety Rules

Maintenance and Service

Service Position

Instructions for placing the unit in a service position for maintenance.

Assembly

Tools Required

Lists the necessary tools for assembling the unit.

Removing Unit from Carton

Step-by-step guide to unpack the trimmer from its shipping carton.

Operation

Trimmer Head and Lines

Details on the trimmer head's function and line extension.

Control Bail

Instructions for engaging and disengaging the trimmer head.

Throttle Control Lever

Explanation of how the throttle lever controls engine speed.

Filling Fuel Tank

Important safety warnings and steps for safely fueling the unit.

Starting and Shutting Off Engine

Procedures for safely starting and stopping the engine.

Maintenance

Maintenance Schedule

Provides intervals for routine checks and services.

Check Fasteners

Ensures all hardware is tightened properly, especially on safety-related parts.

Check Trimmer Lines

Guidance on checking and replacing trimmer line when worn.

Clean Debris Screen

Instructions for cleaning the engine's debris screen to prevent overheating.

Service and Adjustments

Replacing Trimmer Line

Detailed steps for replacing worn trimmer line with new line.

Handlebar Height Adjustment

Procedure for adjusting the handlebar to a comfortable height.

Cutting Height Adjustment

How to adjust the cutting height using spacers.

Drive Belt Replacement

Troubleshooting

Engine Will Not Start or Runs Poorly

Lists probable causes and corrections for starting or running issues.

Engine Overheats

Addresses causes and solutions for engine overheating problems.

Poor Trimming Performance

Troubleshooting steps for reduced trimming effectiveness.

Trimmer Vibrates

Diagnoses and fixes for excessive trimmer vibration.

Storage

Specifications

Service Parts

Warranty

Limitation of Remedy and Damages

Details limitations on liability and types of damages covered by the warranty.

Disclaimer of Further Warranty

Clarifies that Ariens' warranty is the only express warranty provided.

Summary

Controls and Features

Introduction

Model and Serial Numbers

Locate and record model and serial numbers for service inquiries and parts orders.

Product Registration

Instructions for completing and returning the warranty registration card to activate warranty.

Unauthorized Replacement Parts

Delivery

Safety

Safety Alerts and Symbols

Explanation of safety alert symbols and signal words used in the manual.

Practices and Laws

Guidelines for safe working practices and adherence to local laws.

Required Operator Training

Importance of training for anyone operating the unit other than the original purchaser.

Safety Decals and Locations

Assembly Safety Rules

Safety precautions to follow before and during assembly of the unit.

Operational Safety Rules

Key safety practices and interlock system details for safe operation.

Fuel Safety Rules

Maintenance and Service

Service Position

Instructions for placing the unit in a service position for maintenance.

Assembly

Tools Required

Lists the necessary tools for assembling the unit.

Removing Unit from Carton

Step-by-step guide to unpack the trimmer from its shipping carton.

Operation

Trimmer Head and Lines

Details on the trimmer head's function and line extension.

Control Bail

Instructions for engaging and disengaging the trimmer head.

Throttle Control Lever

Explanation of how the throttle lever controls engine speed.

Filling Fuel Tank

Important safety warnings and steps for safely fueling the unit.

Starting and Shutting Off Engine

Procedures for safely starting and stopping the engine.

Maintenance

Maintenance Schedule

Provides intervals for routine checks and services.

Check Fasteners

Ensures all hardware is tightened properly, especially on safety-related parts.

Check Trimmer Lines

Guidance on checking and replacing trimmer line when worn.

Clean Debris Screen

Instructions for cleaning the engine's debris screen to prevent overheating.

Service and Adjustments

Replacing Trimmer Line

Detailed steps for replacing worn trimmer line with new line.

Handlebar Height Adjustment

Procedure for adjusting the handlebar to a comfortable height.

Cutting Height Adjustment

How to adjust the cutting height using spacers.

Drive Belt Replacement

Troubleshooting

Engine Will Not Start or Runs Poorly

Lists probable causes and corrections for starting or running issues.

Engine Overheats

Addresses causes and solutions for engine overheating problems.

Poor Trimming Performance

Troubleshooting steps for reduced trimming effectiveness.

Trimmer Vibrates

Diagnoses and fixes for excessive trimmer vibration.

Storage

Specifications

Service Parts

Warranty

Limitation of Remedy and Damages

Details limitations on liability and types of damages covered by the warranty.

Disclaimer of Further Warranty

Clarifies that Ariens' warranty is the only express warranty provided.

Mack 946401 Specifications

General IconGeneral
BrandMack
Model946401
CategoryTrimmer
LanguageEnglish