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Craftsman 917.388550 User Manual

Craftsman 917.388550
40 pages
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Owner's Manual
JCRHFTSMRN°J
ROTARY LAWN MOWER
6.5 Horsepower
21" Rear Discharge
Model No.
917.388550
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 917.388550 Specifications

General IconGeneral
EngineBriggs & Stratton
Engine Displacement190cc
Cutting Width21 inches
Drive TypeSelf-Propelled
Drive SystemRear-Wheel Drive
Fuel Capacity1.6 quarts
Weight80 lbs
Wheel Size (Front)8 inches
Deck MaterialSteel
TransmissionVariable speed
Engine Size190cc
Weight (approximate)80 lbs
Engine Power6.75 ft-lbs

Summary

General Operation and Safety Guidelines

Safe Operating Practices

Guidelines for safe operation, including personnel, environment, and protective measures.

Operational Procedures and Precautions

Advice on mowing conditions, operator state, and equipment behavior during use.

Slope Operation Best Practices

Mowing on Slopes: Recommended Actions

Instructions for safe mowing across slopes and obstacle removal.

Mowing on Slopes: Prohibited Actions

Prohibitions regarding steep slopes, drop-offs, and wet conditions.

Child Safety During Mowing

Preventing Child Accidents

Essential steps to prevent child accidents while operating the mower.

Service Area Safety

Fuel Handling and Storage Safety

Safe practices for handling flammable fuels and storing equipment.

Lawn Mower Assembly and Setup

Unpacking and Initial Inspection

Steps to safely remove the mower from its carton and check for parts.

Handle Folding and Adjustment

Instructions for unfolding and adjusting the mower's handle for use.

Grass Catcher Assembly

Procedure for assembling and attaching the grass catcher bag.

Converting Mower Operation Modes

Guidance on switching between mulching and bagging modes.

Lawn Mower Operation Fundamentals

Understanding Mower Symbols and Controls

Explanation of safety symbols and key operational controls on the mower.

Safety Compliance and Operator Controls

Information on safety standards and the operator presence control bar.

Mower Functionality Adjustments

Converting Mower Between Bagging and Mulching

Steps to switch the mower between mulching and bagging modes.

Adjusting the Cutting Height

How to change the mower's cutting height for different lawn conditions.

Engine Preparation for Starting

Adding Engine Oil Correctly

Instructions for correctly filling the engine with oil before operation.

Adding Fuel Safely

Guide for filling the fuel tank with the correct type of gasoline.

Starting and Stopping Procedures

Procedures for safely starting and stopping the lawn mower engine.

Mowing Tips and Techniques

General Mowing Best Practices

Tips for efficient mowing in various grass conditions and for engine care.

Mulching Mowing Strategies

Advice for optimal mulching performance, including grass height and cutting patterns.

Routine Maintenance Procedures

Pre-Use Checks and Lubrication

Essential checks and lubrication steps to perform before each use.

Seasonal and Annual Maintenance Tasks

Recommended maintenance tasks performed annually or per season.

Blade Maintenance and Care Guide

Blade Removal and Replacement Steps

Step-by-step guide for safely removing and installing the mower blade.

Blade Sharpening and Balancing

Instructions for sharpening the blade while ensuring it remains balanced.

Engine Oil and Tire Maintenance

Engine Oil Specifications and Levels

Details on the correct engine oil and how to check its level.

Tire Care and Hazard Avoidance

Advice on keeping tires in good condition and avoiding damage.

Engine Component Maintenance

Engine Oil Change Procedure

Detailed steps for draining and refilling the engine oil.

Air Filter Service and Cleaning

How to clean or replace the air filter for optimal engine performance.

Muffler, Spark Plug, and Mower Cleaning

Maintenance tips for the muffler, spark plug, and overall mower cleanliness.

Service and Adjustments Section

Adjusting Lawn Mower Cutting Height

Instructions for setting the mower deck height for desired cut.

Handle Adjustment and Rear Deflector

How to adjust the handle position and information on the rear deflector.

Engine Speed and Carburetor Information

Details on engine speed limits and carburetor adjustability.

Lawn Mower Storage Preparation

Mower and Handle Storage Procedures

Steps for cleaning, lubricating, and folding the mower for storage.

Engine Fuel System and Oil for Storage

Preparing the fuel system and oil for long-term storage to prevent issues.

Long-Term Storage Guidelines

Cylinder Protection for Storage

How to protect the cylinder during long-term storage.

General Mower Storage Recommendations

Advice on storing the mower indoors and managing gasoline.

Troubleshooting Engine Start Issues

Common Starting Problems and Solutions

Diagnosing and fixing issues preventing the engine from starting.

Troubleshooting Mower Performance Problems

Addressing Power Loss and Uneven Cuts

Solutions for reduced engine power and inconsistent grass cutting.

Resolving Vibration and Starting Difficulties

Tips for fixing excessive vibration and hard-to-pull starter ropes.

Catcher Issues and Pushing Difficulties

Solutions for grass catcher problems and difficulty pushing the mower.

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