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Craftsman 917.378771 User Manual

Craftsman 917.378771
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Owner's Manual
ICRAFTSMAWI
ROTARY LAWN MOWER
7.0 Horsepower
Power-Propelled
21" Rear Discharge
Model No.
917.378771
CAUTION:
Read and follow all
Safety Rules and Instructions
before operating this equipment
Sears, Roebuck and Co., Hoffman Estates, IL 60179 U.S.A.
Visit our Craftsman website:www.sears.com/craftsman
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Craftsman 917.378771 Specifications

General IconGeneral
EngineBriggs & Stratton
Engine Type4-cycle
Displacement190cc
Cutting Width22 inches
Cutting Height1.25 - 3.75 inches
Cutting Height Positions6
Drive SystemFront-wheel drive
Speed SettingsVariable
Fuel Tank Capacity1.6 quarts
Oil Capacity20 oz
Warranty2 years limited

Summary

Craftsman Rotary Lawn Mower (Model 917.378771)

Initial Safety Caution

Read and follow all safety rules before operating this equipment.

Warranty Information

Limited Two Year Warranty

Warranty coverage details for the Craftsman power mower.

Safety Rules

Critical Safety Precautions

Essential warnings to prevent serious injury or death.

General Operation

Safe Mowing Practices

Instructions for safe and proper use of the lawn mower.

Slope Operation

Mowing on Slopes

Exercise extra caution when mowing on uneven terrain.

Children Safety

Mowing Around Children

Procedures to keep children safe during operation.

Service Precautions

Fuel Handling Safety

Precautions for safe handling of gasoline and fuel.

Accessories

Performance and Maintenance Options

Available accessories for lawn mower performance and upkeep.

Assembly / Pre-Operation

Setting Up Your Lawn Mower

Instructions for unfolding the handle and initial setup.

Installing Attachments

Guidance on attaching optional mower components.

Operation Overview

Know Your Lawn Mower Controls

Familiarize yourself with mower controls and symbols.

CPSC Safety Requirements

Compliance with Consumer Product Safety Commission standards.

Using Your Lawn Mower

Safety Glasses Recommendation

Importance of wearing eye protection during operation.

Engine Speed and Drive Control

How to adjust engine speed and engage drive control.

Adjusting Cutting Height

Steps to set the desired cutting height.

Mower Conversion and Startup

Converting Mower and Emptying Catcher

How to switch between mulching/bagging and empty catcher.

Adding Oil and Gasoline

Procedures for adding engine oil and gasoline.

Starting and Mowing Tips

Engine Start/Stop and Mowing Techniques

Tips for effective mowing and mulching.

Maintenance Schedule

Regular Service Tasks

Schedule for routine maintenance checks and services.

General Maintenance Recommendations

Overall advice for maintaining mower condition.

Lubrication Guide and Chart

Details on lubrication points and types.

Product Specifications

Tire Care and Blade Maintenance

Information on tire care and blade condition.

Blade Removal and Replacement

Steps for removing, replacing, and sharpening the mower blade.

Component Maintenance

Grass Catcher, Drive Wheels, Gear Case

Maintenance for catcher, wheels, and gear case.

Engine Oil and Viscosity

Engine oil type, level check, and change procedures.

Engine Components and Service

Air Filter, Muffler, and Cleaning

Maintenance for air filter, muffler, and general cleaning.

Service and Adjustments

Cutting Height and Rear Deflector

Adjusting cutting height and rear deflector.

Drive System and Handle Adjustments

Belt, Handle, and Catcher Assembly

Adjusting drive belt, handle, and assembling grass catcher.

Engine Specifications and Storage

Engine Details and Storage Preparation

Engine settings and preparing the mower for storage.

Storage Fuel & Engine Care

Fuel System and Cylinder Storage Prep

Preparing fuel system and cylinder for long-term storage.

Troubleshooting

Engine Start Problems

Causes and corrections for engine starting issues.

Troubleshooting Common Issues

Performance and Cut Problems

Diagnosing issues like loss of power and poor cut.

Vibration, Starting, and Push Issues

Addressing vibration, starter, and pushing difficulties.

Drive System Problems

Solutions for drive belt and speed issues.

Service Notes

Important Service Information

General notes and advice regarding service.

Repair Parts

Gear Case Assembly Breakdown

Illustrated parts list for the gear case assembly.

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