Overview of Craftsman Lawn Mower Model 917
Craftsman Lawn Mower Model 917 is a series of riding mowers that offers a blend of power, comfort, and versatility. Typically powered by a Briggs & Stratton engine, the Model 917 series is designed for medium to large-sized lawns, providing efficient cutting with minimal effort. The model features a variety of cutting widths, deck configurations, and engine options, but common across the series is the use of high-quality parts that ensure longevity and reliability.
Understanding the structure of the Model 917 is vital for proper maintenance and repairs. The mower comprises several major subsystems: the engine, cutting deck, transmission, drive systems, and electrical components. Each of these systems consists of specific parts that work in unison to deliver optimal mowing performance.
Main Components and Parts of Craftsman Lawn Mower Model 917
A detailed knowledge of the parts involved in the Craftsman Lawn Mower Model 917 can help troubleshoot issues, identify worn components, and facilitate timely replacements. Below, we explore these parts categorized by their functions.
Engine Components
The engine is the heart of the mower, responsible for powering the blades and drive system. Common engine parts include:
- Engine Block: The main structure housing the piston, crankshaft, and other internal parts.
- Carburetor: Mixes air and fuel for combustion; crucial for engine performance.
- Spark Plug: Ignites the fuel-air mixture; essential for engine startup and running.
- Air Filter: Keeps debris out of the engine, prolonging its life.
- Oil Filter: Removes contaminants from engine oil.
- Recoil Starter: Facilitates manual engine starting.
- Fuel Filter: Ensures clean fuel reaches the carburetor.
- Governor Assembly: Regulates engine speed to prevent over-revving.
Cutting Deck and Blades
The cutting deck and blades are responsible for the mowing action:
- Deck Shell: The metal housing that contains the blades.
- Blades: Usually two or three, responsible for cutting grass.
- Blade Adapter: Connects blades to the spindle shaft.
- Spindle Assembly: Contains the spindle shaft, bearings, and pulleys; spins the blades.
- Blade Brake Clutch (BBC): Engages or disengages blades when needed.
- Deck Wash Port: Allows for cleaning the underside of the deck.
Transmission and Drive System
These parts control the movement of the mower:
- Transmission (Hydrostatic or Gear Drive): Regulates forward and reverse motion.
- Drive Belt: Connects pulleys to transfer power from the engine to wheels.
- Pulleys: Guide and change the direction of the drive belt.
- Transmission Oil: Lubricates transmission components.
Electrical System and Controls
Electrical parts enable starting, safety, and operational control:
- Ignition Switch: Turns the mower on and off.
- Battery: Provides power for starting and electrical components.
- Voltage Regulator: Maintains voltage levels.
- Safety Switches: Includes seat switch, blade engagement switch, and parking brake switch.
- Lights (if equipped): For visibility during low-light conditions.
Wheels, Tires, and Suspension
Mobility parts include:
- Wheels and Tires: Support and move the mower.
- Axles: Connect wheels and support weight.
- Wheel Bearings: Allow smooth rotation.
- Suspension Components: Absorb shocks and vibrations.
Common Issues and Troubleshooting
Understanding typical problems associated with the Craftsman Lawn Mower Model 917 can help in diagnosing and fixing issues swiftly. Here are some frequent concerns:
- Engine Won't Start: Often caused by faulty spark plug, clogged carburetor, or fuel issues.
- Uneven Cutting: Worn blades, unbalanced deck, or improper blade installation.
- Loss of Power: Dirty air filter, old fuel, or engine overheating.
- Mower Not Moving: Drive belt failure, transmission issues, or wheel bearing problems.
- Strange Noises: Worn spindle bearings or damaged blades.
- Blade Not Engaging: Faulty blade brake clutch or switch.
Troubleshooting involves inspecting these parts systematically, replacing worn or broken components as needed.
Replacement Parts for Craftsman Lawn Mower Model 917
When parts wear out or break, using genuine replacement parts is crucial to maintain the mower’s performance and safety. Here is an overview of key replacement parts and tips for selecting quality components.
Engine Parts
- Spark Plugs: NGK BPR6ES or equivalent.
- Air Filters: OEM Craftsman or Briggs & Stratton filters.
- Fuel Filters: Compatible replacements to prevent clogging.
- Carburetor Kits: Complete rebuild kits for cleaning and restoration.
- Recoil Starters: Exact matches for model specifications.
Cutting Deck and Blades
- Blades: Standard 42", 46", or 50" blades depending on the deck size.
- Deck Belts: OEM belts that match the original dimensions.
- Spindle Assemblies: Complete units with bearings.
- Blade Adapters: To fit specific blade types.
Drive System Components
- Drive Belts: V-belts or flat belts compatible with the model.
- Pulleys: Properly sized and keyed pulleys.
- Transmission Oil: Hydrostatic oil suitable for the transmission type.
Electrical and Safety Components
- Ignition Switches: Compatible with Craftsman Model 917.
- Battery: 12V maintenance-free batteries.
- Safety Switches: To ensure safety compliance.
Wheels and Suspension
- Wheel Bearings: Replace worn bearings to prevent wobbling.
- Tires: Properly sized tires for traction and durability.
- Axle Assemblies: For damaged or bent axles.
Maintenance Tips for Longevity
Regular maintenance ensures that all parts of the Craftsman Lawn Mower Model 917 operate efficiently. Here are some essential tips:
- Routine Inspection: Check blades, belts, and filters before each mowing session.
- Sharpen Blades: Keep blades sharp to achieve clean cuts and reduce strain.
- Replace Filters: Change air, fuel, and oil filters annually or as needed.
- Change Oil: Use the recommended oil type and change periodically.
- Clean Deck and Blades: Remove grass clippings and debris to prevent rust and corrosion.
- Check Tire Pressure: Maintain proper inflation for smooth operation.
- Inspect Electrical Connections: Ensure wiring is intact and switches function correctly.
- Store Properly: During winter, clean the mower and store it in a dry, sheltered place.
Where to Purchase Parts and Get Repairs
For genuine Craftsman parts for Model 917, authorized service centers, and reputable online retailers such as Sears PartsDirect, Briggs & Stratton, and Amazon are reliable sources. When ordering parts, always verify compatibility by checking the model and serial numbers.
Professional repair services can also assist with complex issues, especially those involving the engine or transmission. Regular servicing by qualified technicians can extend the lifespan of your mower and ensure safety during operation.
Conclusion
The Craftsman Lawn Mower Parts Model 917 is a robust and dependable piece of equipment that, with proper care and maintenance, can serve effectively for many years. Familiarity with its components, understanding common issues, and knowing where to find quality replacement parts are essential for any mower owner. Whether you're performing simple tune-ups or extensive repairs, a thorough knowledge of the mower's parts and systems will help you keep your lawn looking pristine while extending the life of your equipment. Embrace regular maintenance, use genuine parts, and consult professional services when necessary to enjoy the full benefits of your Craftsman Model 917 lawn mower season after season.
Frequently Asked Questions
What are common replacement parts available for the Craftsman Lawn Mower Model 917?
Common replacement parts for the Craftsman Lawn Mower Model 917 include blades, belts, spark plugs, air filters, and drive belts. Always ensure to select parts compatible with your specific model number.
How do I identify the correct parts for my Craftsman Model 917 lawn mower?
Identify the correct parts by checking the model and serial number located on the mower's data plate. Refer to the owner’s manual or visit the Craftsman website for part numbers matching your specific model.
Where can I purchase authentic Craftsman lawn mower parts for Model 917?
Authentic Craftsman parts can be purchased from authorized Sears or Craftsman retailers, the official Craftsman website, or reputable online stores like Amazon and eReplacementParts.
Are there any tips for replacing the blades on Craftsman Model 917 lawn mower?
Yes, ensure the mower is turned off and disconnected from power, wear gloves for safety, use the correct size socket to remove the blade bolt, and sharpen or replace the blade as needed to maintain optimal cutting performance.
What should I do if my Craftsman Model 917 mower is not starting?
Check the spark plug for wear or damage, replace if necessary, inspect the fuel supply and filters, ensure the safety switch is engaged, and verify the carburetor is clean. Replacing faulty parts can often resolve starting issues.
How often should I replace parts like belts and blades on my Craftsman Model 917?
Belts typically need replacement every 2-3 years or when they show signs of cracking or wear. Blades should be sharpened regularly and replaced if they are bent, cracked, or excessively dull.
Can I upgrade parts on my Craftsman Model 917 for better performance?
Yes, upgrading to high-lift blades, heavier-duty belts, or a high-quality air filter can improve performance. Always ensure that the upgraded parts are compatible with your specific model.
What maintenance parts should I regularly check on my Craftsman Model 917 lawn mower?
Regularly check and replace the air filter, spark plug, oil filter, and blades. Also, inspect belts and cables for wear and keep the mower clean to ensure optimal performance.
How do I troubleshoot issues with my Craftsman Model 917 lawn mower parts?
Start by inspecting the key components such as the engine, blades, belts, and spark plug for damage or wear. Refer to the user manual for troubleshooting tips and replace faulty parts to resolve issues.
