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Craftsman 917.378403 User Manual

Craftsman 917.378403
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Owner's Manual
IC..FTSMnWl
ROTARY LAWN MOWER
6.75 Horsepower
Power-Propelled
21" Rear Discharge
Model No.
917.378403
EspaSol, p. 18
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 917.378403 Specifications

General IconGeneral
Model Number917.378403
CategoryLawn Mower
Engine TypeGasoline
Engine Power6.75 HP
Engine Displacement190cc
Cutting Width22 inches
Cutting Height Positions6
Speed SettingsVariable
Fuel Tank Capacity1.6 quarts
Mulching CapabilityYes
TypeWalk-Behind Lawn Mower

Summary

Lawn Mower Setup and Assembly

Unfold Handle

Instructions on how to carefully unfold the lawn mower handle.

Install Attachments

Instructions for converting the mower to bagging and preparing the battery.

Assemble Grass Catcher

Steps to assemble the grass catcher frame into the grass bag.

Lawn Mower Operation

Know Your Lawn Mower

Familiarize yourself with the lawn mower controls and safety symbols.

Using Your Lawn Mower

Guidance on engine speed, controls, cutting height, and mower conversion.

Engine Preparation and Starting

Steps for adding oil and gasoline, and starting the engine.

Engine Stopping and Mowing Tips

Instructions for stopping the engine and tips for effective mowing.

Lawn Mower Blade Maintenance

Remove Blade

Steps to disconnect the spark plug wire and remove the mower blade.

Replace Blade

Procedure for installing a new mower blade and tightening the bolt.

Sharpen Blade

Guidelines for sharpening the mower blade and checking its balance.

Engine Maintenance

Change Engine Oil

Instructions for draining and refilling the engine oil.

Clean Air Filter

Steps for removing, cleaning, or replacing the air filter cartridge.

Cleaning Procedures

Clean Under Drive Cover

Procedure to clean the underside of the drive cover at least twice a season.

Service and Adjustments

Drive Belt Service

Instructions for removing and replacing the drive belt.

Adjust Handle Position

Instructions on how to adjust the handle position for comfort.

Storage Procedures

Handle Storage

Instructions on how to fold the mower handle for storage or transportation.

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