Craftsman Push Mower Model 917 Manual: A Comprehensive Guide
This manual provides detailed instructions for Craftsman push mower model 917, covering assembly, operation, maintenance, and troubleshooting. Resources like ManualsLib and UserManual.wiki offer supplemental diagrams and guides. Ensure safe operation by carefully reviewing all sections before use.
The Craftsman 917 push mower represents a reliable and widely-used option for homeowners seeking efficient lawn care. This model, often featuring a 4.5 horsepower engine, is designed for tackling typical residential lawns with ease. Its popularity stems from a combination of affordability, durability, and readily available parts, as evidenced by resources like ManualsLib and various online parts retailers.
Understanding the 917’s capabilities begins with recognizing its core function: providing a manually-propelled mowing experience. Unlike self-propelled models, the operator provides the forward motion, offering a more engaging and potentially vigorous workout. This manual serves as a comprehensive guide to maximizing the performance and lifespan of your Craftsman 917.
Throughout this document, we will delve into every aspect of the mower, from initial assembly and safe operating procedures to detailed maintenance schedules and troubleshooting common issues. Whether you’re a seasoned lawn care enthusiast or a first-time mower owner, this guide will equip you with the knowledge necessary to keep your Craftsman 917 running smoothly for years to come. Referencing online resources alongside this manual will further enhance your understanding.
Safety Precautions and Warnings
Operating a Craftsman 917 mower involves inherent risks. Prioritize safety by thoroughly reading and understanding all warnings before use. Always disconnect the spark plug wire before performing any maintenance or adjustments to prevent accidental starting. Keep children and pets well clear of the mowing area during operation.
Never operate the mower with missing or damaged safety devices, including the blade guard and discharge chute. Wear appropriate personal protective equipment (PPE), such as safety glasses, sturdy footwear, and hearing protection. Be mindful of potential projectiles and avoid mowing in areas with rocks or debris.
Inspect the lawn for hidden obstacles before each use. Never attempt to adjust the cutting height while the engine is running. Refuel only when the engine is cool and in a well-ventilated area. Be extremely cautious when operating on slopes, as loss of control can occur. Consult the full manual for detailed safety guidelines and warnings specific to the Craftsman 917 model. Ignoring these precautions could result in serious injury.
Understanding the Mower Components
The Craftsman 917 push mower comprises several key components working in unison. The 4.5 HP engine provides the power, driving the rotary blade responsible for cutting the grass. The deck houses the blade and directs airflow for efficient clipping discharge. Height adjustment levers control the cutting height, offering versatility for different lawn conditions.
The drive system, though a push model, features wheels for maneuverability and a handle for operator control. Essential maintenance components include the air filter, spark plug, and oil reservoir, all crucial for engine performance. The blade itself is a critical safety component, requiring regular inspection and sharpening.
Familiarize yourself with the location of the fuel tank, oil dipstick, and discharge chute. Understanding these components, as depicted in parts diagrams available on sites like ManualsLib, will aid in proper maintenance and troubleshooting. Knowing the function of each part ensures safe and effective operation of your Craftsman 917 mower.
Assembly Instructions
Upon unboxing your Craftsman 917, carefully inspect all components against the parts list. Begin by attaching the handle to the mower deck using the provided bolts and washers, ensuring a secure fit. Next, connect the discharge chute, verifying it clicks firmly into place. Proper alignment is crucial for optimal performance.
Install the grass catcher, if included, by sliding it onto the designated mounting points. Double-check all connections to prevent detachment during operation. Before adding oil or fuel, ensure the mower is on a level surface. Refer to the engine specifications for the correct oil type and capacity.
Consult diagrams found on resources like ManualsLib for visual guidance during assembly. Tighten all bolts securely, but avoid over-tightening. A properly assembled mower will operate safely and efficiently. Retain these instructions for future reference and potential disassembly for maintenance or storage.
Engine Specifications (4.5 HP)
The Craftsman 917 push mower is powered by a robust 4.5 horsepower, single-cylinder, four-stroke engine. This engine is designed for reliable performance and efficient fuel consumption. Its displacement typically ranges around 148cc, providing ample power for most residential lawns.
The engine utilizes a recoil start system, requiring a firm pull on the starter rope to initiate combustion. It’s crucial to use the recommended unleaded gasoline with a minimum octane rating of 87. Oil capacity is approximately 18-20 ounces, and SAE 30 oil is generally recommended for optimal lubrication.
The engine operates on a standard air-cooled system, relying on airflow to maintain optimal operating temperatures. Regular maintenance, including air filter cleaning and oil changes, is vital for prolonging engine life. Refer to maintenance sections for detailed procedures. Proper engine care ensures consistent power and reduces emissions.
Starting and Stopping the Engine
Before starting the Craftsman 917 mower, ensure the blade is disengaged and the parking brake is set. Check the oil and fuel levels, and verify the air filter is clean. Prime the engine by pressing the primer bulb 3-5 times – do not over-prime. Set the throttle to the ‘Start’ position.
Grasp the starter handle firmly and pull the rope with a smooth, controlled motion. Avoid jerking the rope, as this can damage the starter mechanism. Once the engine starts, gradually release the starter rope. Allow the engine to warm up for a few minutes before engaging the blade.
To stop the engine, disengage the blade and release the throttle. Allow the engine to idle for approximately 30 seconds before switching the ignition switch to the ‘Off’ position. Never abruptly shut off the engine while under load, as this can cause damage. Always follow safety precautions.
Operating Instructions
Before each use, inspect the lawn for any objects that could be thrown by the blade – stones, toys, or debris. Clear the area thoroughly. Ensure the discharge chute is unobstructed and directed away from people and property. Begin mowing with the mower at a comfortable walking pace.
Overlap each mowing pass by a few inches to prevent scalping and ensure a consistent cut. Avoid turning sharply on slopes, as this could cause the mower to tip. If the grass is tall or thick, raise the cutting height and make multiple passes, gradually lowering the height with each pass.
Monitor the engine’s performance during operation. If the engine begins to bog down, reduce the mowing speed or raise the cutting height. Never attempt to mow wet grass, as this can clog the discharge chute and create a safety hazard. Regularly check for obstructions.
Adjusting the Cutting Height
The Craftsman 917 mower features multiple cutting height positions, typically adjusted via levers located near each wheel. Before adjusting, ensure the engine is off and the blade has completely stopped. Locate the height adjustment levers – usually color-coded for easy identification.
To raise the cutting height, move the levers forward, away from the deck. To lower the height, move them backward, towards the deck. Ensure all four wheels are adjusted to the same height setting for a level cut. A higher setting is ideal for tall grass or uneven terrain.
A lower setting provides a closer cut but requires a smoother lawn surface. Experiment with different heights to achieve your desired lawn appearance. Regularly check the height settings, as they can sometimes shift during operation. Proper adjustment prevents scalping and promotes healthy grass growth.
Blade Maintenance and Replacement
Regular blade maintenance is crucial for optimal cutting performance and lawn health. Before any blade work, disconnect the spark plug wire to prevent accidental starting. Inspect the blade frequently for dullness, nicks, or damage. A dull blade tears grass, leading to brown tips and increased disease susceptibility.
Sharpening can be done with a file or a bench grinder, ensuring the original angle is maintained. If the blade is severely damaged or bent, it must be replaced. To remove the blade, use a block of wood to secure it and loosen the blade bolt.
Install the new blade with the cutting edge facing upwards. Tighten the bolt to the manufacturer’s specified torque. Always balance the blade after sharpening or replacement to prevent vibration and damage to the mower. Properly maintained blades ensure a clean cut and a healthier lawn.
Air Filter Maintenance
Maintaining a clean air filter is vital for the engine’s performance and longevity. A dirty air filter restricts airflow, causing reduced power, increased fuel consumption, and potential engine damage. Inspect the air filter before each use, and clean or replace it as needed.
For foam filters, wash them in warm, soapy water, rinse thoroughly, and allow to dry completely. Then, lightly oil the filter with air filter oil before reinstalling. Paper filters should be tapped gently to remove loose debris. If heavily soiled, replace the filter.
The air filter housing is typically located near the engine. Ensure the filter is securely seated in the housing to prevent unfiltered air from entering the engine. Regular air filter maintenance contributes to smoother operation and extends the life of your Craftsman 917 mower.
Spark Plug Maintenance
Proper spark plug maintenance is crucial for reliable engine starting and efficient combustion. A fouled or worn spark plug can cause hard starting, misfiring, and reduced power. Inspect the spark plug periodically, ideally before each mowing season and after prolonged storage.
Remove the spark plug using a spark plug wrench, ensuring the engine is cool. Check the electrode for carbon buildup, wear, or damage. Clean the plug with a wire brush if necessary, or replace it if heavily fouled or the electrode is worn. Ensure the gap between the electrode and ground strap is correct, typically around 0.030 inches – consult your engine specifications.
Reinstall the spark plug, tightening it to the manufacturer’s specified torque. A properly maintained spark plug ensures optimal engine performance and prevents frustrating starting issues with your Craftsman 917 mower.
Oil Change Procedures
Regular oil changes are vital for extending the life of your Craftsman 917 mower’s engine. Old oil becomes contaminated with debris and loses its lubricating properties, leading to increased wear and potential engine damage. Change the oil after every 25 hours of operation, or at least once per season.
Warm up the engine briefly, then shut it off and disconnect the spark plug wire. Locate the oil drain plug and place a drain pan underneath. Remove the plug and allow the oil to drain completely. Reinstall the plug securely.
Remove the oil fill cap and slowly pour in the recommended amount of oil – typically around 15-20 ounces for the 4.5 HP engine. Check the oil level with the dipstick, ensuring it’s within the “full” range. Dispose of the used oil responsibly at a recycling center.
Fuel System Maintenance
Maintaining a clean fuel system is crucial for reliable starting and optimal performance of your Craftsman 917 mower. Old fuel can degrade and cause clogs in the carburetor, leading to starting difficulties and reduced power. Use fresh fuel (less than 30 days old) and consider adding a fuel stabilizer, especially during storage.
Periodically inspect the fuel lines for cracks or leaks, replacing them if necessary. The fuel filter, typically located in the fuel tank or inline, should be replaced annually or more frequently if you notice reduced engine performance. To replace the filter, shut off the fuel supply and carefully disconnect the lines.
If the carburetor becomes clogged, it may require cleaning or rebuilding. For minor issues, a carburetor cleaner additive can sometimes help. Always follow safety precautions when working with fuel, and ensure the engine is cool before performing any maintenance.
Troubleshooting Common Issues
Encountering problems with your Craftsman 917 mower is common, but many issues are easily resolved. If the engine won’t start, check the fuel level, spark plug, and air filter. A clogged air filter restricts airflow, hindering starting. Ensure the spark plug is clean and properly gapped.
If the mower runs rough, suspect stale fuel or a dirty carburetor. Drain the old fuel and replace it with fresh fuel, potentially using a carburetor cleaner. Uneven cutting can indicate a dull or damaged blade; sharpen or replace it as needed. Check the deck for obstructions.
Excessive vibration might signal a loose blade or engine component. Inspect and tighten all bolts and fasteners; Consult online resources like ManualsLib for diagrams and further assistance in diagnosing and resolving these common issues. Always disconnect the spark plug wire before performing any maintenance.
Understanding the Drive System
The Craftsman 917 push mower typically features a rear-wheel drive system, providing power to the rear wheels for self-propulsion. This system simplifies mowing, especially on inclines or uneven terrain. The drive mechanism usually involves a belt connecting the engine to a transmission.
The transmission houses gears that regulate speed and torque. Variable speed control, if equipped, allows adjusting the mowing pace. Regular inspection of the drive belt is crucial; look for cracks, wear, or looseness. A worn belt will result in reduced drive power or complete failure.
Disengaging the drive system allows for manual pushing when desired. Understanding the drive system’s components and their functions is essential for proper maintenance and repair. Resources like ManualsLib can provide detailed diagrams illustrating the drive system’s layout and operation. Always disconnect the spark plug before working on the drive system.
Storage and Winterization
Proper storage is vital to maintain your Craftsman 917 mower’s longevity. Before long-term storage, especially for winter, thoroughly clean the mower deck, removing grass clippings and debris. This prevents corrosion and ensures optimal performance next season.
Fuel stabilization is crucial. Add fuel stabilizer to the gasoline tank to prevent fuel degradation during storage. Run the engine briefly to circulate the stabilized fuel through the system. Alternatively, drain the fuel tank completely to avoid fuel-related issues.
Disconnect the spark plug wire for safety. Inspect and lubricate all moving parts. Store the mower in a dry, sheltered location, protecting it from the elements. Covering the mower with a tarp provides additional protection. Refer to the owner’s manual for specific winterization recommendations.
Parts List and Diagrams
Accessing a comprehensive parts list and detailed diagrams is essential for repairs and maintenance of your Craftsman 917 mower. ManualsLib and other online resources provide exploded views illustrating each component’s location and relationship to others. These diagrams are invaluable when ordering replacement parts.
The parts list typically includes item numbers, descriptions, and part numbers for every component, from blades and wheels to engine parts and hardware. Utilizing the correct part number ensures compatibility and proper fit. Online retailers often allow searching by model number (917.38741) to streamline the process.
Always consult the diagrams before disassembling the mower to understand the assembly sequence. Proper reassembly is crucial for safe and efficient operation. Keep the parts list handy during repairs to identify and replace worn or damaged components accurately. Referencing these resources saves time and frustration.
Warranty Information
Understanding the warranty coverage for your Craftsman 917 push mower is vital for protecting your investment. Warranty terms typically cover defects in materials and workmanship for a specified period, often starting from the date of purchase. Keep your original purchase receipt as proof of purchase and warranty activation.
The standard Craftsman warranty may vary depending on the retailer and the specific model year. Generally, it covers defects that arise during normal use, excluding wear items like blades and air filters. Damage caused by misuse, accidents, or improper maintenance is usually not covered.
To make a warranty claim, contact the retailer where you purchased the mower or Craftsman customer support directly. Be prepared to provide your model number (917.38741), serial number, and a detailed description of the issue. Review the full warranty statement included with your mower for complete details and limitations.
