CRAFTSMAN SELECT 26 Service Manual

Overview of craftsmann select service manual

The Craftsmann Select 26 service manual provides a comprehensive reference for technicians responsible for maintaining and repairing this line of lawn care equipment. It outlines the intended use of the product, the basic design principles, and the typical operating conditions under which the machine performs. The manual is organized to guide a technician from initial inspection through to functional testing, with emphasis on safe work practices and proper tool selection. While the document covers a broad range of maintenance tasks, it also highlights critical procedures that ensure reliable performance and extended service life of the equipment. Readers should approach the material with a focus on accurate diagnosis, adherence to torque specifications, and correct assembly procedures to avoid common issues like premature wear or misalignment.

The manual emphasizes real-world applicability by combining theoretical concepts with step-by-step instructions and practical diagrams. It encourages technicians to verify model variations, service updates, and any recalls that may affect compatibility or safety. By detailing service intervals, lubrication points, and common fault codes, the manual supports efficient maintenance workflows. This resource is designed to be used by certified technicians who possess foundational knowledge of small engine mechanics, electrical systems, and cutting attachments specific to lawn equipment. A thorough understanding of the content will help reduce downtime and improve the reliability of the Craftsmann Select 26 across different operating environments.

The documentation also stresses the importance of documenting each service action, including replaced components, torque values, and calibration results. It provides standardized forms and checklists to facilitate accurate record-keeping. It covers the essential safety considerations such as lockout/tagout procedures, proper handling of hot components, and safe starting procedures after service. While focusing on the Craftsmann Select 26, the manual also references interchangeable parts and compatibility with common service tools, enabling technicians to source compatible components efficiently. Overall, the guide aims to support technicians in delivering high-quality repairs while maintaining compliance with applicable safety and environmental regulations.

Purpose and scope

The purpose of the Craftsmann Select 26 service manual is to enable technicians to perform preventative maintenance, diagnose issues, and execute repair procedures that restore full functionality to the equipment. It defines the scope of work to include engine inspection, fuel and exhaust systems, air filtration, cooling, ignition, drive mechanism, and cutting deck systems. The manual communicates the expected performance standards and operational limits of the equipment to ensure that service actions align with manufacturer specifications. It includes guidance on acceptable practice for disassembly, inspection, parts replacement, reassembly, and functional testing. By establishing clear procedures, the manual helps technicians consistently deliver safe, reliable, and efficient service outcomes. The scope also covers safety and compliance requirements, environmental considerations, and recommended tools to support effective troubleshooting and maintenance tasks.

In addition to routine maintenance, the manual addresses common fault conditions and their probable causes. It provides diagnostic flowcharts, symptom-based troubleshooting steps, and reference values for critical measurements. The document also outlines calibration procedures for components such as carburetors, governors, and throttle controls where applicable. The scope is intentionally broad to accommodate variations within the Craftsmann Select 26 lineup, including seasonal models and optional attachments. Technicians are encouraged to cross-check unit serial numbers and production revisions to ensure the applicable procedures and torque specifications are followed precisely. This approach minimizes misdiagnosis and promotes consistent service quality across all units.

Key safety considerations

Safety is a central theme throughout the manual, with explicit guidance on risk assessment, personal protective equipment, and safe handling of powered equipment. It outlines the necessity of disconnecting the spark plug or battery, relieving fuel pressure, and securing moving parts before commencement of any service work. The document emphasizes maintaining a clean work environment to prevent dirt ingress and accidental damage to sensitive components. It also covers proper fuel storage and disposal practices to reduce the risk of fire or environmental contamination. The manual provides clear warnings about hot surfaces, sharp blades, and the potential for stored energy, ensuring technicians plan and communicate a safe workflow before starting repairs. Adherence to these safety considerations reduces the likelihood of injuries and equipment damage during service operations.

In addition to personal safety, the manual addresses machine safety, including stable support for equipment during inspection and testing. It prescribes the use of appropriate lifting devices, service stands, and wheel chocks where needed. The document also highlights safety when working with fuel systems, including proper venting, anti-siphon measures, and spill containment. Environmental safety is covered with recommendations for proper disposal of used oil, filters, and contaminated parts. Finally, safety auditing and continuous improvement practices are encouraged, with notes on documenting incidents and updating procedures as new information becomes available. This comprehensive focus on safety supports responsible and professional maintenance work.

technicians are also reminded to observe local regulations and manufacturer advisories that may affect service procedures. The manual notes that certain procedures require specialized training or certification, particularly when dealing with electrical circuitry, ignition systems, or high-pressure fuel components. By recognizing these limits and seeking authorized training when needed, technicians can maintain a high standard of work while reducing risk to themselves and the equipment. The safety framework presented in the manual is designed to be proactive, not reactive, promoting a culture of careful preparation and deliberate, informed action during every service interaction.

Target equipment and model coverage

The Craftsmann Select 26 service manual targets a range of lawn and garden equipment within the Select lineage, focusing on units that share core engine blocks, chassis layouts, and drive systems. It details model variations, including horsepower ratings, deck sizes, and attachment configurations, to ensure that service procedures reflect the specific characteristics of each unit. The manual provides part numbers, replacement intervals, and compatibility notes for common components such as carburetors, air filters, spark plugs, and belts. This information helps technicians quickly identify the correct parts and applied procedures for a given model. While it emphasizes standard configurations, the document also includes guidance for handling optionally equipped systems like mulching kits, baggers, and hydrostatic drives, where applicable.

In practice, technicians should verify the exact model and serial number before beginning work to confirm which procedures and torque specifications apply. The manual includes references to revision levels and service bulletins that may introduce updates or changes to maintenance practices. By providing model-sensitive guidance, the document reduces the risk of incorrect assembly or incorrect parameter settings. This coverage ensures that even as new sub-models arrive, technicians have a reliable framework for performing consistent, safe, and effective service tasks across the Craftsmann Select 26 product family. The result is a coherent maintenance philosophy that supports longevity and dependable operation of the equipment in diverse outdoor environments.

Required tools and safety gear

Maintaining and repairing outdoor power equipment requires careful attention to personal safety and precise, appropriate tools. Begin by selecting protective gear that fits well and provides full coverage for the task at hand. Safety glasses or a face shield protect your eyes from debris, dust, and sharp edges, while a pair of sturdy gloves guards against cuts and skin irritation. Hearing protection is essential when operating or testing powered equipment, especially in enclosed spaces or when using high-noise tools. A dust mask or respirator may be necessary when working with fuels, solvents, or fine particulates to safeguard your respiratory health. Long sleeves, durable pants, and non-slip, closed-toe footwear help shield your skin and provide stable footing during maintenance or repair work.

General hand tools form the foundation of most service procedures. A metric and SAE socket set with a ratchet and extension, combination wrenches, and a set of screwdrivers (flat and Phillips) cover the majority of fastener sizes found on outdoor power equipment. A torque wrench is important for reassembly where precise fastener tension is required to prevent component damage or improper operation. Pliers, wire cutters, a utility knife, and a magnetic pickup tool aid in managing small parts and cutting or trimming components during disassembly. A rubber mallet or plastic hammer helps tap parts into place without marring surfaces, while a soft-jawed adjustable wrench avoids rounding fasteners on delicate housings. A multimeter may be needed for electrical troubleshooting, and a service brush or brass wire brush assists in cleaning light oxidation and debris from contacts and components.

Specialty tools are model-specific and may vary between different Craftsman Select 26 models. When addressing fuel systems, have a fuel line quick-connect tool, a small fuel-compatible siphon, and an approved fuel container for safe handling and transfer. For carburetor work, you might require a reach gauge, needle-nose pliers, and specialized carburetor screwdrivers to access and adjust idle and mixture screws without damaging slots. For ignition and electrical components, a low-resistance test lead, a timing light, and manufacturer-recommended diagnostic tools help verify proper operation. When disassembling cooling systems, a seal pick set and gasket scraper can aid in removing old seals and ensuring a clean mating surface. Always consult the specific model’s service data to identify any unique tools designated by the manufacturer and ensure you have access to correct fastener sizes, thread types, and torque specifications to avoid damage during maintenance or repair.

The CRAFTSMAN SELECT 26 requires a disciplined approach to maintenance to ensure reliable operation and long service life. Regular maintenance helps prevent unexpected downtime, preserves performance, and extends the lifespan of key components. A systematic routine reduces the risk of safety incidents and keeps the equipment operating at peak efficiency. Establishing a daily inspection routine sets the baseline for condition monitoring and early detection of wear or damage. Meticulous documentation of each check provides a clear history for service technicians to reference during future repairs or tendering maintenance tasks.

Daily inspection routines focus on quick visual and functional checks that can be completed in a few minutes. Begin by inspecting the overall condition of the machine for any obvious signs of damage, leaks, loose fasteners, or abnormal vibrations. Verify that all safety shields and guards are in place and secure, and ensure that the operator presence controls function correctly. Check for fuel, oil, and coolant levels as applicable, and note any abnormal exhaust or smoke indicators. Run a brief operational test to confirm that starting, stopping, and throttle responses are smooth, signaling that the basic engine and control systems are in good order. Record any anomalies and plan for further inspection or servicing if issues persist beyond the current day’s routine.

Weekly maintenance checklist builds upon the daily routine with more in-depth attention to critical systems. Inspect air filters and replace or clean as required to maintain proper air intake and engine performance. Examine belts, hoses, and connections for signs of wear, cracking, or looseness, and adjust or replace components as needed to prevent failures. Test electrical connections and battery condition, ensuring that terminals are clean and corrosion-free, and verify charging system output if applicable. Lubricate moving parts following the manufacturer’s specifications to reduce friction and wear, and confirm that lubrication points are accessible and free of debris. Conduct a thorough inspection of the cooling system, including radiators, shrouds, and coolant for proper levels and leaks, addressing any concerns before they escalate into overheating. Document findings and actions taken to support ongoing reliability and traceability of maintenance activities.

Seasonal and annual service requirements address longer-term wear patterns and performance degradation that can develop over months of use. Plan seasonal checks around storage or peak usage periods, ensuring that the machine is prepared for extended operation or rest periods. Perform a comprehensive engine and fuel system inspection, including fuel lines, filters, and carburetion or injection components, replacing filters as recommended by the manufacturer. Assess the spark plug condition (if applicable) and ignition timing, replacing parts that show wear to maintain efficient combustion. Inspect the exhaust system for leaks or obstructions and verify that mufflers are secure, as exhaust integrity is critical for operator safety and emissions compliance. Conduct a full safety systems audit, confirming that emergency stops, switchgear, and interlocks meet specification and respond correctly under test conditions. Maintain a rigorous service log with dates, hours, parts replaced, and any calibration adjustments to support warranty compliance and resale value.

The fuel system of the CRAFTSMAN SELECT 26 is designed to deliver reliable performance under a range of operating conditions. Begin with a careful visual inspection of all accessible fuel components, including the fuel tank, fuel lines, filters, and connections. Look for cracks, signs of wear, or leaks at every joint, and check the tank venting to ensure there is no obstruction that could create vapor lock or pressure buildup. When disconnecting any fuel line, prepare a suitable container to catch residual fuel and prevent spills. Replace any damaged lines or fittings with OEM parts to maintain compatibility and safety standards. After inspection, verify that clamps are secure and that there are no signs of deterioration along the length of flexible hoses. Carburetor and fuel line maintenance requires a methodical approach to ensure consistent fuel metering and engine response. Begin by removing the carburetor with respect to the cooling system and surrounding components, noting the routing of all linkages and springs to aid reinstallation. Clean the exterior to remove dirt and varnish, which can mask internal issues or hinder proper adjustments. When servicing the carburetor, inspect idle screws, high-speed mixture screws, and main jets for signs of wear or clogging, and replace gaskets if moisture or fuel contamination is evident. Use a suitable carburetor cleaner and avoid aggressive brushing that could damage delicate passages. Reassemble with proper torque on mounting bolts and verify that the linkage operates freely without binding. For fuel lines, inspect for cracks, stiffness, or swelling and replace as needed, ensuring that clamps are positioned correctly to prevent leaks. Air intake and filter service is essential for maintaining engine efficiency and prolonging component life. Begin by locating the air filter housing and removing the cover to gain access to the filter element. Inspect the filter for signs of dirt accumulation, oil saturation, or physical damage, and replace it if debris cannot be removed by gentle tapping or compressed air from the clean side. When reassembling, ensure that seals or gaskets are intact to prevent unfiltered air from bypassing the filter. Clean the air intake tract and connections to remove any resin buildup or dust that can restrict airflow. After replacement or cleaning, perform a brief visual check for any air leaks around the intake manifold and throat, and confirm that the housing clips or screws are secure. Regular maintenance of the air setup helps with consistent engine performance, smoother idle, and improved fuel efficiency. In all fuel system work, adhere to safety practices by working in a well-ventilated area away from ignition sources, disconnecting the spark plug to prevent accidental starting, and using approved containers for fuel storage and disposal of old components. It is important to follow the manufacturer’s torque specifications when securing bolts and clamps, as over‑tightening can crack housings while under‑tightening may cause leaks. Keep a detailed maintenance log that records inspection findings, component replacements, and any adjustments made to carburetor settings. When in doubt, consult the service manual for torque values and configuration diagrams specific to the CRAFTSMAN SELECT 26 and verify compatibility with your unit’s serial number and production year to ensure proper operation and warranty compliance.

Lubrication and cooling systems

Effective lubrication is essential for the reliable operation and longevity of the CRAFTSMAN SELECT 26 power equipment. The lubrication system is designed to minimize friction, reduce wear, and manage heat generated during operation. Use only the specified lubricants and maintain clean conditions when adding or changing fluids to prevent contamination. Before performing any maintenance, ensure the engine is cool and disconnect the spark plug to eliminate the risk of accidental starting. Maintain a regular service schedule based on hours of use and operating conditions to keep critical components properly lubricated and cooled. Always consult the manufacturer’s recommendations for viscosity, grade, and quantity to avoid improper lubrication that could lead to reduced performance or damage.">

Lubricant types and specifications for the CRAFTSMAN SELECT 26 typically include engine oil for the crankcase and lubricants for any gearboxes or bearings as specified in the engine or equipment manual. Use a high-quality oil that meets the specified viscosity rating, and avoid mixing different brands or formulations unless explicitly approved. It is important to check the oil level with the engine on a level surface and after the engine has been stopped for a few minutes to allow the oil to settle. Replace or top off lubricants at the intervals outlined by the manufacturer, and always dispose of used oil in accordance with local environmental regulations. Using the correct lubricant reduces metal-to-metal contact, maintains efficient heat transfer, and contributes to smoother operation overall.">

Oil change procedure begins with draining the old oil from the crankcase while the engine is cool. Remove the drain plug and allow the oil to completely drain into an appropriate container. Replace the drain plug with a new sealing washer if required, and refill with the recommended oil type and quantity. Run the engine briefly to circulate the new oil, then recheck the level and top off as needed. Record the date and hour meter reading of each oil change to track service intervals and detect potential issues early. Proper oil changes help prevent sludge buildup, improve fuel efficiency, and extend the life of the engine’s bearings and seals. Use a clean funnel and work in a clean environment to avoid introducing contaminants into the lubrication system.">

Cooling system inspection and maintenance involve checking for proper operation of cooling fins, radiators, and any liquid or air cooling pathways. Look for obstructions such as dirt, grass clippings, or dust that can reduce heat dissipation. Ensure that any cooling hoses are intact, free of cracks, and securely connected, and inspect clamps for tightness. Clean cooling surfaces carefully using non-abrasive tools to avoid damaging fins or passages. Verify that fans or blowers are functioning and unobstructed, and replace any damaged components promptly to prevent overheating. Regular cleaning and inspection help maintain optimal engine temperatures, protect seals and gaskets, and prevent heat-related failures during demanding workloads.">

Electrical system maintenance

The electrical system of a Craftsman Select 26 outdoor power machine is the heartbeat that powers starting, charging, and secure operation. Regular inspection and maintenance help prevent unexpected failures and prolong component life. Begin with a clean, dry workspace and use a digital multimeter to verify voltages and continuity. Keep a detailed log of readings and any deviations to track trends over time and identify emerging issues before they cause downtime. Always disconnect the battery and comply with all safety precautions before handling electrical components to reduce the risk of shock or short circuits.

Battery testing and charging are foundational for reliable performance. Use a calibrated battery tester to measure open circuit voltage, cranking amps, and reserve capacity, comparing results to the manufacturer’s specifications. If the readings fall outside recommended ranges, perform a full battery charge using the correct charger and observe the charging voltage and current behavior. When a battery shows signs of swelling, excessive sulfation, or rapid voltage drop under load, replace it promptly to avoid damage to the electrical system. After charging, perform a load test to ensure the battery can sustain peak electrical demand during starting and operation, and always secure the battery firmly to prevent movement during use.

Safety interlocks and wiring checks are critical for operator protection and equipment safety. Inspect all interlock switches for proper engagement and verify that safety features interrupt ignition or starting when opened or breached. Trace wiring layouts from the ignition/relay area to the starter, alternator, and fuses, looking for cracked insulation, corrosion, or loose terminals. Use a schematic or wiring diagram to confirm correct routing and color coding, repairing any damaged segments with heat-shrink and marine-grade electrical tape as needed. Perform continuity checks across key circuits and confirm that grounds are solid and free of corrosion, ensuring reliable electrical return paths and minimizing the risk of intermittent faults that can be difficult to diagnose in the field.

Starting and charging system troubleshooting requires a systematic approach to isolate faults efficiently. Begin with a visual inspection of the starter, solenoid, relay, and associated wiring for signs of wear or arcing. Test the starter current draw and ensure the solenoid engages fully when the ignition is activated. If the engine turns slowly or fails to crank, verify battery voltage at the starter terminal and inspect fuse integrity, connectors, and grounds. For charging system issues, monitor the alternator output under idle and increased engine RPM to confirm it maintains the specified charging voltage; look for loose belts or worn pulleys that can reduce charging efficiency. Document each test result, noting temperatures and any abnormal readings, then use the data to determine whether component replacement or further diagnostics are required, keeping the system within safe operating parameters.

Cutting system care and blade maintenance

The cutting system of the CRAFTSMAN SELECT 26 requires regular inspection and careful cleaning to maintain optimal performance. Begin with a thorough visual check of the deck surface for dents, cracks, or rust that could affect blade alignment and cutting efficiency. Remove build-up of grass remnants and debris by using a soft brush or cloth, ensuring the edge of the deck and spindle area remain free of obstructions. Track any unusual vibrations or noise during operation, as these can indicate hidden debris, a loose blade, or a misaligned spindle. Establish a routine that includes cleaning after each use and a more detailed inspection weekly during peak mowing seasons. This approach helps prevent premature wear and preserves cutting accuracy over time.

Deck inspection and cleaning is essential for even blade contact and consistent cutting height. Inspect the underside of the deck for punctures or corrosion that could compromise airflow and cut quality. If you notice any bent or damaged portions, address them promptly with the appropriate tools or consult a service manual for the correct repair procedures. Pay particular attention to moisture exposure, as it can accelerate corrosion and lead to rust spots that dull blades prematurely. After cleaning, apply a light coating of protective spray or oil to metal surfaces to inhibit rust, making sure not to over-apply near the blade mounting area. A clean, well-maintained deck directly contributes to a more uniform lawn finish and longer blade life.

Blade removal and sharpening require careful handling to ensure safety and performance. Start by disconnecting the spark plug or main power source to prevent accidental starts during maintenance. Use the correct size wrench to secure the blade mounting bolt and carefully loosen in a counterclockwise direction, noting any washers or spacers that must be reinstalled in the same orientation. Once removed, inspect the blade for nicks, cracks, or excessive wear; a damaged blade should be replaced rather than sharpened. When sharpening, maintain the original bevel angle and balance the blade to prevent vibrations that can damage the spindle or housing. After reinstallation, torque the mounting bolt to the manufacturer’s specified specification and recheck blade balance by placing the blade on a balancing device or using a simple two-pocket method. Proper sharpening and balancing ensure clean cuts and reduce strain on drive components.

Spindle and belt inspection is critical to sustain smooth operation and prevent belt slippage or bearing failure. Inspect the spindle housing for play or roughness by manually rotating the blade spindle and listening for grinding sounds or feel for roughness. If a wobble is evident, the spindle bearings may be worn and require replacement. Examine belts for signs of cracking, fraying, or glazing, and replace them according to the service schedule or if any damage is observed. Ensure that pulleys are clean and free of debris that could cause imbalance. Apply a light, manufacturer-approved belt dressing only if specified, and avoid over-lubrication around the belt path, which can attract dirt and shorten belt life. Conduct a test run after maintenance to verify smooth operation and consistent cutting performance, listening for unusual noises that could indicate misalignment or component wear. Regular spindle and belt checks help maintain cutting efficiency and extend overall deck longevity.

Fuel efficiency and emissions control are critical aspects of maintaining optimal performance and longevity for the CRAFTSMAN SELECT 26. Proper tuning ensures that the engine runs smoothly across varying loads, temperatures, and operating conditions, reducing unnecessary fuel burn and minimizing emissions. Start with manufacturer-recommended idle speed and throttle response settings, then verify that the carburetor or fuel injection system delivers a precise air-fuel ratio under all operating conditions. Regular checks of the air filter, fuel lines, and vacuum hoses help sustain efficient airflow and consistent combustion. Keep the cooling system in good condition, as stable operating temperatures prevent excessive fuel consumption caused by overly rich or lean mixtures. Consistent maintenance habits, paired with mindful operation, translate into quieter operation, lower fuel use, and cleaner exhaust during routine use of the equipment.

Tuning for efficiency encompasses both initial setup and ongoing adjustment based on wear and environmental factors. Begin with a clean air intake path to prevent unwanted resistance that can cause the engine to work harder and consume more fuel. Examine the spark timing (for engines that require it) and adjust to specifications to promote complete combustion. Monitor spark plug condition and gap settings, as fouling or improper gaps can lead to incomplete burning of fuel and higher emissions. Pay attention to fuel stability, ensuring that the correct octane or grade is used and that fuel degrades gracefully in storage by using stabilizers as needed. Addressing these factors helps maintain a stable idle, smooth throttle response, and predictable fuel economy across the life of the machine.

Emission related maintenance focuses on components that influence exhaust composition and catalytic or particulate control if equipped. Regularly inspect the exhaust system for leaks or restrictions, which can cause backpressure that harms efficiency. If the unit employs a catalytic converter or secondary emission devices, ensure they are not contaminated by fuel additives or oil and that mounting hardware remains secure. Replace or service oxygen sensors, emission control diaphragms, and fuel metering devices per the service intervals, using OEM parts to preserve designed emission performance. Cleanliness of the cooling fins and muffler surfaces aids in maintaining proper heat dissipation, which in turn supports stable combustion and emission consistency. Preventive care here reduces the risk of costly repairs and helps meet applicable environmental standards during operation.

Diagnostics and troubleshooting for emissions and efficiency involve systematic checks of air, fuel, ignition, and exhaust paths. Use a logical process to verify fuel pressure, fuel quality, and filter condition, since degraded fuel delivery directly affects both performance and emissions. Perform a visual and functional inspection of hoses, clamps, and fittings for leaks or deteriorated insulation that could alter air-fuel balance. When performance issues arise, consult the service data to confirm base timing, compression, and cylinder balance, as uneven performance can drive higher emissions and lower efficiency. Leverage diagnostic tools recommended by the manufacturer to read stored fault codes and interpret sensor data, then address root causes rather than only treating symptoms. Finally, document all findings and corrective actions to support ongoing maintenance and future troubleshooting, ensuring the unit continues to operate within factory specifications.

Diagnostics and troubleshooting guide

When diagnosing a CRAFTSMAN SELECT 26, approach the process methodically by first establishing a clear baseline of normal operation and documenting the user-reported symptoms. Begin with a visual inspection for obvious issues such as loose fasteners, damaged wiring, or signs of wear on belts and pulleys. Listen for abnormal noises during operation, observe any irregular vibrations, and verify that safety interlocks and switches engage as designed. Record the exact symptom, operating conditions, and any error indicators on the control panel to build a precise fault history. A thorough diagnostic mindset reduces unnecessary disassembly and helps locate root causes more efficiently.

Symptom based diagnostic flow begins with confirming power and fuel supply, followed by a check of air intake and exhaust pathways for blockages. If the unit fails to start, verify the battery or power source, inspect fuses, and test the ignition or starting system as applicable. For performance issues such as loss of power or reduced cutting efficiency, inspect the air filters, fuel filtration, carburetor settings, and any possible fuel contamination. If there is excessive smoke, unusual exhaust, or overheating, track the cooling system, coolant levels if applicable, and look for blocked cooling fins. Always move from broad system checks to targeted component tests, ensuring each step is cleanly logged to guide subsequent interventions.

Common fault codes and meanings can vary by model revision, but typical signals may indicate sensor faults, ignition issues, or safety interlock faults. A code for low oil pressure could trigger a safety shutdown, while a sensor fault might illuminate a diagnostic light or display an error on the control panel. If a code appears, consult the service manual for the exact interpretation and the recommended action sequence. In many cases, codes point to simple fixes such as replacing a sensor, clearing a clog, or adjusting a linkage. Do not ignore a persistent fault code; verify that the fault is reproducible under controlled test conditions to avoid misdiagnosis.

Recommended service actions begin with confirming the symptom and the fault code, then proceeding to a safe, controlled disassembly if necessary. Always disconnect power before any internal inspection and use proper lockout/tagout procedures. Replace worn or damaged components with OEM parts and verify alignment and tension of drive belts after reassembly. Calibrate sensors and adjust control pot settings as specified in the manufacturer’s tolerances, then perform a functional test to ensure the issue is resolved. Finally, document the service actions taken, parts replaced, and test results to support future maintenance and provide a reliable service history for the unit.

Parts identification by model is a critical first step in ensuring accurate repairs and reliable performance. Begin by locating the model number on the equipment, typically stamped on a nameplate or label near the frame or engine housing. Once identified, consult the manufacturer’s parts diagram to match each component with its correct part number and description. Cross-reference the diagram with the actual parts installed on the unit to confirm fit, orientation, and compatibility. Maintain a clean workspace and photograph each removed part before disassembly to aid in reassembly and future maintenance. This careful approach reduces the risk of installing incorrect parts and helps prevent premature wear or failure.

Authorized replacement parts are essential for maintaining warranty integrity and ensuring optimal operation. Use only parts that carry the manufacturer’s approved part number and designation as genuine or certified replacements. Substituting third-party or generic components can lead to improper fit, degraded performance, or safety hazards. When ordering, verify the part number, revision level, and compatibility with the specific model and serial number. If a part is superseded or updated, review the service bulletin from the manufacturer to understand any required installation changes. By sticking to authorized parts, you preserve the reliability and longevity of the equipment and support documentation accuracy for future service needs.

Warranty and service documentation provide the framework for coverage and proper maintenance. Carefully store all service receipts, part numbers, and dates of service in a dedicated log or digital file. Review the warranty terms to understand exclusions, coverage duration, and required service intervals to maintain eligibility. When filing a warranty claim, include the model and serial number, a detailed fault description, and steps already taken to diagnose and repair. Ensure that service actions are performed by qualified technicians or under manufacturer guidance to avoid voiding coverage. Maintaining thorough documentation helps streamline future service, supports accurate claim processing, and protects the owner’s investment in the equipment.

Disassembly and reassembly guidelines

Safety remains the foremost concern whenever performing disassembly, inspection, or reassembly on any outdoor power equipment. Begin by removing the spark plug boot and disconnecting the battery or other power sources where applicable. Ensure the engine is cool and the unit is on a stable surface with adequate lighting. Gather labeled containers or trays to organize fasteners by size and location, and keep a clear workflow to prevent misplacement of small parts. Use the appropriate service tools and wear eye protection, gloves, and protective clothing to minimize the risk of injury from sharp edges or springs. Before any disassembly, review the equipment’s model-specific diagrams to verify component locations and identify safety-critical fasteners that may require additional caution during removal.

Procedure steps by subsystem begin with the chassis and housing, where careful prying and lifting techniques are used to avoid damaging plastic clips or aluminum components. When separating subassemblies, document the orientation and use color-coded markers or photos to aid reassembly. Pay attention to gasket and seal integrity; replace any degraded gaskets to maintain proper sealing and prevent fluid leaks. For the engine and fuel subsystem, remove fuel lines with the engine at a low level and in a controlled manner to avoid spills; when reassembling, ensure fuel fittings are clean and secure without over-tightening, which can strip threads or induce leaks. The drive and transmission components require special attention to bearing preload, shaft alignment, and the correct orientation of gears. Keep track of shims and spacers and reinstall them in their original sequence to preserve the unit’s functional tolerances. Finally, the cutting and attachment implement subsystems should be inspected for blade wear, spline wear, and shear pin condition; replace worn or damaged parts to maintain safety and performance.

Torque specifications and fastener criteria are essential for reliable recovery and safe operation after reassembly. Always use a calibrated torque wrench set to the manufacturer’s recommended values, which vary by fastener size and material. Begin with critical load-bearing fasteners and work to less critical ones, gradually tightening in a cross-pattern to ensure even seating. When procedures specify threadlocker, apply a thin, even layer to fasteners that require it, and allow the appropriate cure time before applying load. Avoid over-torquing, which can strip threads or distort components, and never reuse damaged or corroded fasteners. If a fastener shows signs of wear or deformation, replace it with an OEM-recommended part to maintain the integrity of the assembly. After reassembly, perform a functional check and leak test where applicable, ensuring all guards, shields, and safety mechanisms are properly installed and engaged.

Troubleshooting checklist by system

Engine performance issues can stem from fuel delivery, ignition, or air intake. Begin with a visual inspection for loose hoses, damaged clamps, or obvious fuel leaks, and confirm the spark plug is clean and properly gapped. Check the air filter for excessive dirt or obstruction, as restricted airflow directly reduces engine efficiency and responsiveness. Inspect the fuel system for stale or contaminated fuel, and ensure the fuel valve is open and the lines are free of cracks. When diagnosing rough running or misfires, consider performing a spark test and testing compression to determine whether the issue lies within ignition or internal engine components. Procedural safety should always be observed, including disconnecting the spark plug boot before any inspection or disassembly. If the engine continues to run poorly after basic fuel and ignition checks, consult the service manual for torque specifications and potential timing or valve clearance issues. A systematic approach helps identify the root cause quickly and minimizes unnecessary disassembly.

Electrical and starting system concerns require careful electrical isolation and verification of battery health. Start by inspecting battery terminals for corrosion and ensuring tight, clean connections, then test the battery voltage with the engine off and again with the starter engaged to assess cranking performance. Examine fuses and circuit breakers for signs of overheating or damage, replacing any blown fuses with components of the correct amperage rating. Verify that the ignition switch and kill switch send proper signals to the controller, and check wiring harnesses for fraying, pinched insulation, or loose connectors. If the starter motor does not engage, listen for audible clicks and check the solenoid operation, ensuring the starter relay is functioning and the electrical grounds are solid. Ground integrity is crucial; a poor ground can cause intermittent operation or failure to start under load. After addressing obvious electrical faults, recheck system voltage under load and verify that the control module receives correct sensor inputs for safe operation.

Mower drive and transmission troubleshooting focuses on drive belt health, pulleys, and hydraulic or gear-driven components where equipped. Begin with a visual inspection of the belt for wear, cracks, or glazing and measure belt tension according to specification to ensure proper engagement and slip-free drive. Check pulleys for smooth rotation, alignment, and any signs of bearing wear, replacing worn components as needed. If the mower experiences slow movement or reduced speed, inspect the drive linkage, brake engagement, and any adjustment screws that control belt tension or pedal travel. For models with hydrostatic or mechanical transmissions, verify fluid levels and service intervals, noting any unusual noises, overheating, or transmission slipping. Ensure the drive system disengages properly when required and that all safety interlocks are functioning to prevent unintended operation. When diagnosing drive performance, document operating conditions, including load level and terrain, to differentiate between healthy components and wear-induced symptoms. A thorough drivetrain inspection can prevent unexpected downtime and extend the life of the mower.

Work area organization is critical to ensuring safe and efficient operation of the CRAFTSMAN SELECT 26. Begin by establishing a dedicated workspace that provides ample room for the mower, maintenance tools, and spare parts. Designate zones for inspection, disassembly, component cleaning, and reassembly to minimize cross-contamination and misplaced fasteners. Label storage containers for screws, bolts, and small hardware to reduce search time and prevent loss. Maintain a clean, uncluttered surface with a durable mat or tray to catch small parts during disassembly, which helps protect components from damage and keeps the workflow smooth. Finally, implement a routine that includes a quick end-of-day check to restore the work area to a ready-to-work state for the next session, ensuring that tools are returned to their designated places and that the workspace remains safe and organized.

Cleanliness and corrosion control are essential to extending the life of the mower’s critical components. Before any maintenance, wipe down exterior surfaces to remove dirt and decaying organic matter that can trap moisture against metal surfaces. Use appropriate degreasers on greasy joints and contact points, followed by a thorough rinse and complete drying to prevent moisture retention. Establish a routine for inspecting fasteners, shields, and electrical connectors for signs of corrosion, discoloration, or loosening, and replace or reseat them as needed. Apply a light coat of lubricant or anti-corrosion spray to exposed metal surfaces after cleaning, paying particular attention to cutting edges, pivot points, and linkage pins. Finally, store lubricants and cleaners in a dry, tightly sealed area to prevent contamination and to maintain their effectiveness for future service intervals.

Calibration and testing protocols ensure that the CRAFTSMAN SELECT 26 operates within specification and delivers predictable performance. Begin with a thorough check of the user manual’s recommended calibration sequence, gathering the required tools, torque values, and measurement devices before you start. Use calibrated gauges to verify blade height, belt tension, deck alignment, and throttle response, following the manufacturer’s tolerances exactly. Document all readings, adjustments, and any parts replacement in a service log to track wear patterns and plan preventive maintenance. After calibration, perform a functional test in a safe, open area, verifying engine performance, cutting consistency, and safety interlocks. If any parameter falls outside acceptable limits, recheck the setup, and repeat the calibration until the diagnostics indicate proper operation. Finally, establish a routine maintenance schedule based on usage hours and environmental conditions to sustain accurate calibration and reliable performance over time.

The Appendix and Reference Material for the CRAFTSMAN SELECT 26 service manual consolidates critical information needed by technicians to diagnose, repair, and maintain the equipment with precision. This section provides a concise overview of wiring schematics, torque specifications, and a glossary of terms to ensure clear communication and accurate torque application during assembly. Each subsection is designed to support efficient field service, with emphasis on reliability, safety, and repeatable results. Thorough familiarity with these references helps technicians verify proper connections, align components correctly, and interpret specifications quickly during service tasks.

Wiring schematics overview offers a practical gateway to understanding the electrical pathways within the machine. Technicians should begin by identifying color codes, connector pinouts, and the function of each circuit branch. The diagrams are organized to show how power, control, and feedback signals travel through the system, enabling precise tracing of faults and verification of proper operation after repairs. When reviewing schematics, it is important to cross-check with component labels found on the actual parts and harnesses to avoid misinterpretation. This approach reduces diagnostic time and helps ensure that replacements or repairs restore original performance characteristics.

Torque charts and specifications provide the definitive values for fastener tightening and component mounting. These charts cover critical fasteners across the engine, chassis, and attachment interfaces, including bolt sizes, thread pitches, and approved lubrication guidelines where applicable. Following the specified torque values is essential for maintaining structural integrity, preventing loosening under vibration, and ensuring proper sealing where gaskets or seals are involved. Always use a calibrated torque wrench and apply the correct sequence when tightening multiple fasteners in an assembly to achieve uniform clamping force and avoid distortion.

The glossary of terms serves as a standardized reference to minimize miscommunication between technicians, suppliers, and operators. It includes definitions for common terms related to power equipment, fasteners, electrical components, and safety practices. By reviewing the glossary, technicians can interpret service documentation consistently and ask precise questions when needed. The glossary also helps new technicians acclimate more quickly to the language of the manual, reducing the chance of misinterpretation that could lead to improper repairs or increased downtime.