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Craftsman 917.378450 User Manual

Craftsman 917.378450
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Owner's Manual
JCRRFTSMRN'J
ROTARY LAWN MOWER
6.5 Horsepower
21" Rear Discharge
Model No.
917.378450
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffrnan Estates, IL 60179 U.S.A.
Visit our Craftsman websRe:www.sears.corn/craftsman
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Craftsman 917.378450 Specifications

General IconGeneral
BrandCraftsman
Model917.378450
CategoryLawn Mower
LanguageEnglish

Summary

Important Safety Warning

Safety Rules and Precautions

General Operation Guidelines

Slope Operation Safety and Child Safety

Essential safety advice for operating on slopes and preventing child-related accidents.

Service and Fuel Safety

Assembly and Pre-Operation Steps

Lawn Mower Operation Guide

Understanding Controls and Symbols

Familiarization with mower controls, adjustments, and safety symbols for proper use.

Operating Your Lawn Mower

Engine Speed, Drive Control, and Height

Adjusting engine speed, engaging the drive, and setting the cutting height.

Mower Conversion and Safety Gear

How to convert the mower and the importance of safety glasses during operation.

Engine Starting and Fueling

Adding Engine Oil and Gasoline

Correct procedures for adding oil and gasoline, and checking oil levels.

Starting the Engine Safely

Step-by-step guide for starting the engine, including priming cold engines.

Mowing Best Practices

Maintenance Schedule and Lubrication

Product Specifications and Blade Care

Component Maintenance Procedures

Cleaning and Service Safety Precautions

Service and Adjustment Procedures

Carburetor and Storage Preparation

Preparing the Mower for Storage

Procedures for cleaning, lubricating, and managing the fuel system for long-term storage.

Troubleshooting Engine Start Issues

Causes and Corrections for Non-Starting Engine

Addresses common reasons why the engine may not start and provides solutions.

Troubleshooting Performance Problems

Power Loss, Uneven Cut, and Vibration

Solutions for issues like reduced power, poor cut quality, and excessive vibration.

Starter Rope and Grass Catcher Problems

Troubleshooting steps for starter rope difficulties and problems with the grass catcher.

Briggs & Stratton Engine Components Overview

Carburetor Component Breakdown

Engine Gasket and Piston Assemblies

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