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Overview of Craftsman Lawn Mower Model 917
Before diving into the parts diagram, it’s helpful to understand the general features and design of the Craftsman lawn mower model 917. This model is known for its durability, powerful engine options, and versatility, making it suitable for both residential and light commercial use. It typically features a gas-powered engine, a cutting deck, and various mechanical and electrical systems that work together to provide a clean and efficient cut.
The model number “917” refers to a specific series within Craftsman’s lineup, with variations that may include different engine sizes, blade configurations, and additional features like adjustable height settings or self-propulsion. Regardless of the specific variant, the core components remain similar, and the parts diagram provides a crucial reference for identifying and understanding each part’s role.
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Understanding the Parts Diagram: An Essential Tool
A parts diagram for the Craftsman lawn mower model 917 is a schematic illustration that maps out the location and relationship of individual components within the mower. It is typically accompanied by a parts list, which assigns numbers to each part for easy identification and ordering.
The diagram is invaluable for several reasons:
- Identification: Quickly locate a specific part within the mower.
- Replacement: Identify the correct part number for ordering replacements.
- Assembly and Disassembly: Understand how parts fit together during repairs.
- Maintenance: Recognize components that require regular inspection or lubrication.
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Main Sections of the Craftsman Lawn Mower Parts Diagram
The parts diagram can be divided into several main sections, each representing a core area of the mower:
1. Engine Assembly
2. Cutting Deck and Blades
3. Drive System
4. Electrical System
5. Frame and Chassis
6. Controls and Operator Interface
Let’s explore each section in detail.
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Engine Assembly
The engine is the heart of the lawn mower, providing the power necessary for cutting and self-propulsion. The parts diagram outlines various engine components, which include:
Key Engine Parts:
- Engine Block: The main structure housing the cylinders and crankshaft.
- Carburetor: Mixes fuel and air for combustion.
- Spark Plug: Ignites the fuel-air mixture.
- Flywheel: Helps maintain engine momentum.
- Recoil Starter: Enables manual starting of the engine.
- Oil Filter and Oil Cap: Critical for engine lubrication and maintenance.
- Fuel Tank: Stores gasoline for engine operation.
Maintenance Tips:
- Regularly inspect the spark plug and replace if fouled.
- Check oil levels and change oil periodically.
- Clean or replace the air filter to ensure efficient combustion.
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Cutting Deck and Blades
The cutting deck is the platform that houses the blades and dictates cutting height. It’s crucial for a clean cut and overall mower performance.
Main Components:
- Deck Shell: The metal housing that surrounds the blades.
- Blades: Usually two or three sharp-edged blades that rotate to cut grass.
- Blade Adapter and Spindle Assembly: Connect the blades to the engine via the spindle.
- Blade Brake Clutch (BBC): Engages or disengages the blades.
- Discharge Chute: Directs grass clippings away from the mower.
Tips for Maintenance:
- Sharpen blades regularly for a clean cut.
- Replace damaged or bent blades immediately.
- Clean debris from the deck to prevent rust and clogging.
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Drive System
The drive system enables the mower to move forward or backward, especially in models with self-propulsion features.
Main Components:
- Transmission: Converts engine power into wheel movement.
- Drive Wheels: Located at the rear or front, depending on the model.
- Drive Belt: Transfers power from the engine to the wheels.
- Clutch and Brake Components: Control the engagement and disengagement of the drive system.
Maintenance Tips:
- Check the drive belt for wear and replace if frayed.
- Ensure the transmission fluid (if applicable) is at the proper level.
- Lubricate moving parts to prevent rust and ensure smooth operation.
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Electrical System
The electrical system supports starting and ignition, as well as safety features.
Main Components:
- Battery (if equipped): Provides power for electric start systems.
- Ignition Switch: Turns the engine on and off.
- Safety Interlock Switches: Prevent accidental starts.
- Lighting or Accessories: Optional features in some models.
Maintenance Tips:
- Keep terminals clean and corrosion-free.
- Test safety switches periodically to ensure proper functioning.
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Frame and Chassis
The structural foundation of the mower, supporting all other components.
Main Components:
- Main Frame: The welded metal structure providing support.
- Handlebars: For operator control.
- Wheel Assemblies: Including axles, bearings, and tires.
- Support Brackets: Connect various parts securely.
Maintenance Tips:
- Tighten loose bolts and nuts regularly.
- Inspect for rust or damage and repair as needed.
- Keep tires properly inflated for optimal maneuverability.
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Controls and Operator Interface
These parts enable the operator to control the mower's functions.
Key Components:
- Throttle Control: Adjusts engine speed.
- Height Adjustment Lever: Changes cutting height.
- Drive Engagement Lever: Activates self-propulsion.
- Recoil or Electric Start Button: Starts the engine.
- Operator Presence Bar: Ensures safety during operation.
Maintenance Tips:
- Test controls periodically for responsiveness.
- Keep control cables lubricated and free of debris.
- Replace worn or damaged levers and switches.
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Using the Parts Diagram for Repairs and Maintenance
Having a detailed parts diagram is crucial when performing repairs or maintenance on your Craftsman lawn mower model 917. Here are some practical tips to make the most of it:
- Identify Worn or Damaged Parts: Use the diagram to locate and assess parts that need replacement.
- Order Correct Parts: Match part numbers from the diagram with those on the parts list to ensure compatibility.
- Disassemble with Confidence: Follow the diagram to understand how components are assembled, reducing the risk of damage.
- Reassemble Properly: Use the diagram as a guide to place each part correctly during reassembly.
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Common Replacement Parts for Craftsman Lawn Mower Model 917
Below is a list of common parts that owners often need to replace, along with their typical functions:
- Spark Plug: Essential for ignition.
- Blades: Critical for cutting performance.
- Drive Belt: Powers the wheels.
- Air Filter: Keeps debris out of the engine.
- Oil Filter: Ensures clean oil circulation.
- Fuel Filter: Prevents dirt from reaching the carburetor.
- Starter Rope: Replaces a frayed or broken recoil starter.
- Tires and Wheels: For mobility and stability.
- Throttle Control Cable: Regulates engine speed.
- Battery (if electric start): Provides starting power.
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Conclusion
The craftsman lawn mower model 917 parts diagram serves as an indispensable resource for understanding the complex interplay of components that make up this reliable mower. By familiarizing yourself with the diagram and the functions of each part, you can perform effective maintenance, troubleshoot issues more efficiently, and carry out repairs with confidence. Regular inspection and timely replacement of worn parts will extend the lifespan of your mower, ensuring it continues to deliver a pristine cut season after season. Whether you're replacing a blade, repairing the drive system, or performing a complete overhaul, the detailed parts diagram remains your essential guide to keeping your Craftsman lawn mower in optimal condition.
Frequently Asked Questions
Where can I find the parts diagram for the Craftsman Lawn Mower Model 917?
You can find the parts diagram for the Craftsman Lawn Mower Model 917 on the official Sears PartsDirect website or in the user manual under the 'Parts & Diagrams' section.
What are the common parts included in the Craftsman Model 917 parts diagram?
Common parts include the engine, cutting deck, blades, wheels, drive belt, mower deck assembly, and control levers, all shown in the detailed diagram for easy identification.
How do I identify the specific part number for a component in the Craftsman 917 diagram?
Locate the part in the diagram, then refer to the corresponding part number listed in the parts list or legend provided alongside the diagram for precise identification.
Can I order replacement parts directly using the Craftsman 917 parts diagram?
Yes, the parts diagram provides part numbers which you can use to order replacements from authorized dealers or online retailers like Sears PartsDirect.
Is the Craftsman lawn mower model 917 parts diagram available for download online?
Yes, many parts diagrams for the Craftsman 917 are available as downloadable PDFs on the Sears PartsDirect website or through authorized service centers.
How do I interpret the symbols and labels in the Craftsman 917 parts diagram?
The diagram includes a legend explaining symbols and labels, helping you identify parts, fasteners, and assemblies for accurate repair or replacement.
What should I do if a part is missing or damaged in the Craftsman 917 parts diagram?
Use the diagram to identify the part number and order a replacement from Sears PartsDirect or authorized retailers to ensure compatibility and proper fit.
