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Craftsman 917.378643 User Manual

Craftsman 917.378643
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Owner's Manual
IC..FTSMnWl
ROTARY LAWN MOWER
7.0 Horsepower
Power-Propelled
21" Rear Discharge
Model No.
917.378643
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 917.378643 Specifications

General IconGeneral
Engine TypeGasoline
EngineBriggs & Stratton
Engine Displacement190cc
Cutting Height AdjustmentDual-lever
Cutting Positions6
Drive TypeSelf-Propelled
SpeedVariable
Mulching CapabilityYes
Bagging CapabilityYes
Side Discharge CapabilityYes
Engine Power6.75 ft-lbs Torque
Cutting Width22 inches
Cutting Height1.25 - 3.75 in.
Drive SystemRear-wheel drive

Summary

Owner's Manual and Model Identification

Model Number 917.378643

Identifies the Craftsman Rotary Lawn Mower model number.

Important Safety Precaution

Emphasizes reading safety rules and instructions before operating the equipment.

Warranty Information

Limited Two Year Warranty Terms

Details the coverage and limitations of the two-year limited warranty for the mower.

Safety Rules Overview

Highlights critical safety instructions, warnings about hazards, and precautions for operation.

Operation and Safety Guidelines

General Operation Procedures

Provides instructions for safe and proper operation, including handling slopes and children.

Service and Fuel Precautions

Covers safe practices for handling fuel and performing maintenance or repairs.

Maintenance and Product Specifications

Routine Maintenance and Care

Covers general equipment care, blade checks, and safety device maintenance.

Product Specifications and Agreements

Lists technical specs and details about repair protection agreements.

Available Accessories

Performance and Maintenance Accessories

Lists accessories for enhancing mower performance and maintaining the unit.

Assembly and Setup

Unpacking and Handle Setup

Guides on safely unpacking the mower and setting up the handle for use.

Grass Catcher Assembly

Instructions for assembling the grass catcher bag and frame.

Lawn Mower Operation

Controls and Safety Symbols

Identifies mower controls and explains important safety symbols and CPSC requirements.

Operating Techniques

Engine Speed and Drive Control

Explains engine speed adjustment and how to adjust the drive control system.

Cutting Height Adjustment

Provides instructions on how to adjust the mower's cutting height.

Mower Conversion and Fueling

Bagging Conversion and Grass Catcher

Instructions for converting to bagging and emptying the grass catcher.

Engine Oil and Gasoline Procedures

Details on adding engine oil and gasoline before starting the mower.

Starting, Stopping, and Mowing Tips

Engine Start and Stop Procedures

Guides on how to safely start and stop the lawn mower engine.

Mowing and Mulching Techniques

Offers tips for effective mowing, including handling tall grass and mulching.

Maintenance Schedule and Lubrication

Regular Maintenance Tasks

Outlines maintenance tasks at different intervals and general recommendations for upkeep.

Lubrication Guide

Details lubrication points, types of lubricants, and cautions for plastic bearings.

Blade Care and Component Maintenance

Tire, Drive Wheel, and Grass Catcher Care

Provides maintenance guidance for tires, drive wheels, and the grass catcher.

Blade Removal, Replacement, and Sharpening

Step-by-step instructions for blade service, including removal, installation, and balancing.

Gear Case and Engine Lubrication

Gear Case and Air Filter Maintenance

Covers cleaning the gear case and servicing the air filter for engine performance.

Engine Oil Change Procedure

Details the process for draining old oil and refilling the engine with new oil.

Engine Service and Mower Adjustments

Muffler, Spark Plug, and Cleaning

Covers service for muffler, spark plug, and general cleaning of the mower.

Drive Belt and Handle Adjustments

Guides on replacing the drive belt and adjusting the mower handle position.

Engine Settings and Storage Preparation

Engine Speed and Carburetor Info

Information on factory-set engine speed and the non-adjustable carburetor.

Mower Storage and Handle Folding

Instructions for preparing the mower for storage, including cleaning and folding the handle.

Fuel System, Oil, and Troubleshooting

Fuel System for Storage

Advice on managing the fuel system for storage, including fuel stabilizer use.

Engine Oil and Cylinder Prep for Storage

Details on draining oil, cylinder storage prep, and spark plug replacement.

Engine Start Troubleshooting

Lists common causes and corrections for engine starting problems.

Troubleshooting Mower Performance

Addressing Power and Cut Issues

Solutions for loss of power, uneven cuts, vibration, and starter rope problems.

Troubleshooting Drive and Grass Catcher

Covers issues with pushing, drive speed, and grass catcher filling.

Repair Parts Diagram

Exploded View of Mower Components

Diagram illustrating the breakdown of the Craftsman Rotary Lawn Mower with numbered parts.

Repair Parts List - Mower

Component Identification and Numbers

Detailed list of mower parts with key part numbers for ordering replacements.

Drive System Parts Diagram

Drive Control and Wheel Assembly Parts

Diagram of components related to the mower's drive control and wheel systems.

Drive and Wheel Component List

Drive Control and Wheel Parts Details

Comprehensive list of parts for drive control, wheel adjusters, and associated components.

Gear Case Assembly Diagram

Gear Case Component Breakdown

Diagram illustrating the parts that make up the gear case assembly.

Engine Component Diagram

Briggs & Stratton Engine Parts Illustration

Diagram showing the breakdown of the Briggs & Stratton 4-cycle engine components.

Carburetor Components Diagram

Carburetor Parts and Overhaul Kits

Diagram detailing the carburetor parts and associated overhaul kits.

Engine Internal Parts

Cylinder and Piston Assembly Parts

Diagram and list of parts for the engine's cylinder, piston, and related internal components.

Engine Parts List

Detailed Engine Component Identification

Comprehensive list of engine parts with key part numbers for ordering.

Sears Service and Support Information

Home and Carry-In Repair Services

Contact details for scheduling in-home or carry-in repairs and ordering parts.

Protection and Maintenance Agreements

Information on purchasing protection or maintenance agreements for serviced products.

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