SCAG STWC52V-26KA-LC Service Manual
The SCAG STWC52V-26KA-LC service manual is a comprehensive resource designed to guide technicians through the inspection, maintenance, troubleshooting, and repair of this commercial-grade outdoor power equipment. It consolidates manufacturer specifications, safety protocols, and step-by-step procedures to ensure reliable operation and longevity of the machine. The manual emphasizes accurate diagnostics, proper torque values, and correct replacement parts to minimize downtime and maximize performance in demanding work environments. Users should approach each procedure with attention to safety, using the recommended personal protective equipment and following lockout/tagout procedures where applicable. By consolidating key information in one place, the manual supports efficient service workflows and consistent results across different maintenance scenarios.
The document provides a structured framework for evaluating the machine's condition, identifying common wear points, and implementing preventive maintenance tasks. It covers essential topics such as fuel system maintenance, engine diagnostics, electrical system checks, and cutting deck inspection, all tailored to the STWC52V-26KA-LC model. The guidance is grounded in manufacturer specifications, ensuring that service actions align with design tolerances and warranty requirements. Technicians can leverage the manual to establish routine maintenance schedules, track service history, and forecast parts replacements before critical failures arise. This approach helps maintain optimal performance, reduces unscheduled downtime, and extends the service life of the equipment.
The manual is written for an audience with foundational knowledge of outdoor power equipment and practical experience in mechanical repair. It prescribes prerequisite checks, calibration steps, and safety considerations that align with industry best practices. For new technicians, it also offers clear reference points to confirm competency before performing complex procedures. Experienced professionals can use the manual as a quick-reference guide to verify correct procedures and to cross-check torque specs, lubrication intervals, and diagnostic sequences. Overall, it serves as a reliable, technical workspace companion that supports precise, consistent, and safe service operations for the SCAG STWC52V-26KA-LC line.
Safety and compliance considerations are essential for reliable operation and long-term performance of the SCAG STWC52V-26KA-LC. Adhering to recommended protective measures minimizes the risk of injury and ensures continued compliance with industry standards. Begin by selecting appropriate personal protective equipment (PPE) before performing any maintenance or inspection tasks. This includes safety glasses with side shields, hearing protection when operating or testing the equipment, cut-resistant gloves for handling sharp components, and sturdy footwear to protect feet from dropped tools or devices. When working in dusty or volatile environments, consider a dust mask or respirator to reduce inhalation hazards. Normalize the habit of inspecting PPE for wear and tear prior to each use to maintain consistent protection levels during all service activities.
Lockout tagout and machine safety protocols are critical to preventing accidental start-up and ensuring a controlled repair environment. Before any service work, disconnect the power source and follow the manufacturer’s lockout procedures to secure the control system and prevent unexpected energization. Use a clearly labeled lock and two or more authorized personnel when required by safety policy to enforce the lockout. Verify zero-energy status with appropriate test equipment after the lockout and before removing any protective covers or engaging system components. Maintain a written log of all lockout events, including date, personnel, and work performed, to facilitate accountability and compliance during audits or inspections. Always recheck the isolation points after work completion and restore power only when the equipment is confirmed safe for start-up.
Environmental and waste handling guidelines are designed to minimize ecological impact and maintain regulatory compliance. Manage fuels, lubricants, coolants, batteries, and solvents in approved containers with secure lids and proper labeling. Store flammable liquids away from ignition sources and in ventilated areas to reduce vapor buildup. When draining fluids or collecting waste materials during servicing, use approved containment pans and promptly transfer contents to authorized recycling or disposal facilities in accordance with local regulations. Dispose of used oil, filters, and spent batteries at certified collection sites to prevent soil and water contamination. Implement an orderly housekeeping routine to prevent spills and leaks, and ensure all waste streams are clearly segregated to support efficient recycling and compliant waste management practices.
Equipment overview and specifications
The SCAG STWC52V-26KA-LC represents a compact commercial-grade walk-behind mower designed for performance, reliability, and ease of maintenance. Its chassis integrates a rugged steel frame, corrosion-resistant components, and a thoughtfully arranged layout that facilitates quick access to critical systems. The machine is powered by a high-efficiency, battery-operated drivetrain that delivers consistent torque across a wide operating range, reducing vibration and providing smooth operation on varied terrains. Overall dimensions, weight, and balance have been engineered to optimize maneuverability for professional landscapers, while preserving durability under demanding daily use. Precision manufacturing tolerances ensure consistent belt alignment, pulley spacing, and gear engagement, which translate into predictable performance and reduced downtime.
Key specifications include a robust belt drive system, a low-emission electric propulsion package, and safety features that protect operators during routine maintenance and normal operation. The battery pack is designed for high cycle life and rapid charging with integrated battery management to monitor temperature, voltage, and cell health in real time. The mower uses a high-traction drive configuration with appropriately rated tires, ensuring stable traction on slopes and uneven ground without excessive ground disturbance. Operating capacity, cutting width, and deck dimensions are arranged to maximize productivity while maintaining a compact footprint suitable for professional properties and multi-area workloads. Each component is selected to pair with SCAG’s service network, which supports field serviceability and parts availability for reduced downtime.
Dimensions and weight are specified to ensure forklift and ramp compatibility in maintenance facilities, while ground clearance and deck geometry are chosen to optimize cut quality and debris clearance. The control layout, including throttle, safety interlocks, and drive engagement mechanisms, is designed for intuitive use, which minimizes operator training time and improves overall safety. The cooling and ventilation strategy for the electric drive and motor components is integrated into the chassis to sustain peak performance during extended mowing sessions. Material selection for wear surfaces and fasteners emphasizes corrosion resistance and fatigue strength, ensuring a longer service life in challenging outdoor environments. Attention to water ingress protection and electrical shielding further enhances reliability in adverse weather conditions.
Machine layout and major components
The machine layout places the operator’s footing, deck, and drive control within easy reach of the handlebar assembly, reducing operator fatigue during long shifts. The cutting deck is mounted with a robust suspension and adjustable height mechanism that maintains consistent blade engagement across different terrain profiles. The drive motor, power electronics, and battery pack are housed in a sealed enclosure to protect sensitive electronics from dust, grass clippings, and moisture while providing adequate heat dissipation paths. A central access panel provides straightforward entry to the main serviceable assemblies, including drive belts, pulleys, and tensioners, enabling technicians to perform routine inspections without extensive disassembly. Anticipated service intervals are driven by component wear and usage, with manufacturer-recommended checks for belt tension, blade condition, and motor temperature at normal operating hours.
Under the deck, the belt drive system aligns with constructed guides and tensioners to maintain precise belt track. The deck pivots on supports that allow safe and controlled maintenance access, while the spindle assemblies and bearings receive periodic lubrication and inspection for noise or play. The handlebar assembly incorporates ergonomic grips, a safety switch, and a drive engagement lever, all designed to optimize control with minimal operator effort. The drive battery pack integration includes fasteners and a secure locking mechanism to prevent accidental dislodgement during operation. A robust frame cross-member structure contributes to overall rigidity and helps absorb impact from rough terrain, improving longevity and ride stability for the operator.
Safety interlocks and status indicators are integrated into the control system to alert the operator to conditions such as low battery, over-temperature, or belt slip. A dedicated discharge route and filtration path prevent debris ingress into critical electrical compartments, ensuring clean operation in dusty environments. The air intake and cooling shrouds are designed to promote forced convection around the power electronics, especially during high-load mowing sessions or when ambient temperatures are elevated. The mowing deck and guard components employ corrosion-resistant coatings and reinforced edges to minimize wear and maintain cutting performance over the service life of the machine. Documentation and service manuals accompany the product to guide technicians through disassembly, inspection, and reassembly with correct torque spec and component orientation.
Belt drive system and pulleys
The belt drive system for the SCAG STWC52V-26KA-LC uses high-grade silicone and thermoplastic reinforced belts selected for low stretch and long service intervals. Proper belt alignment is maintained through precision-machined pulleys and fixed-position belt guides that resist movement due to vibration or load changes. Tensioning is achieved using a calibrated spring-loaded tensioner that allows for effortless adjustment while maintaining consistent belt preload. The belt path is optimized to minimize slip and maximize power transfer to the deck and drive components, ensuring efficient operation and predictable performance under varying cutting conditions. Regular inspection for fraying, glazing, or cracking is essential to prevent belt failure mid-work, with replacement recommended per manufacturer guidelines or observed wear indicators.
Pulley design emphasizes smooth torque transmission with low contact resistance and adequate surface hardness to resist wear from continuous use. The pulley hubs are securely fastened to their respective shafts with high-tensile fasteners and locking mechanisms to prevent loosening under vibration. The belt drive assembly includes integrated vibration dampening features to reduce noise and wear on bearings, contributing to a quieter and more durable machine. In overheating scenarios, the belt system is designed to withstand brief surges without belt detachment due to strategic belt routing and secure belt clips. When servicing, technicians should check pulley bore integrity, look for rounded edges, and ensure pulley alignment remains within specified tolerances to prevent premature wear.
Protective shields and guards around the belt path are crucial for safety and debris management. Debris deflectors help prevent foreign objects from entering the belt region, which could cause belt damage or derailment. Access panels and quick-release fasteners enable efficient belt removal and replacement, minimizing downtime during maintenance. The drive belt is selected to synchronize with the deck drive and wheel drive components, ensuring balanced performance between propulsion and cutting actions. Proper lubricants and maintenance procedures for belt guides and tensioners help sustain belt life and reduce the likelihood of belt noise or slip during operation.
Electrical system and safety features
The electrical system in the SCAG STWC52V-26KA-LC is built around a high-capacity lithium-ion battery pack coupled with a robust motor controller that modulates speed with precision and protects against overcurrent and thermal runaway. Battery management includes state-of-charge monitoring, cell balancing, and temperature sensing to safeguard longevity and performance. The controller communicates with the vehicle’s safety interlocks and operator controls to ensure that the drive motor cannot engage under unsafe conditions. A dedicated fuse and circuit protection network guard against short circuits, while a ground fault path provides additional protection for both operator and equipment. Routine checks of battery health and electrical connections are essential for maintaining reliable performance in all mowing scenarios.
High-visibility indicators and a central warning system alert the operator to issues such as low battery, over-temperature, or abnormal motor current. The electrical system incorporates moisture-resistant enclosures and sealed connectors to withstand exposure to grass, dew, and rain, helping to prevent corroded contacts and intermittent faults. Grounding and shielding strategies minimize electromagnetic interference with nearby devices and ensure smooth operation of sensors and actuators. The safety features include a dead-man switch, blade engagement interlock, and a remote-disabling mechanism that activates if an unsafe condition is detected. Technician procedures emphasize verifying interlock functionality, confirming battery connections are tight, and testing the controller’s response to simulated fault conditions before returning the machine to service.
Lighting, if present, integrates with the electrical system to provide visibility for low-light mowing and to indicate system status during operation. Charging infrastructure is designed to support rapid recharging cycles while maintaining battery health, including temperature-controlled charging profiles and safety cutoffs. Wiring harnesses are routed along protected channels with strain reliefs to prevent wear from vibration and movement. Regular inspection of electrical connectors, seals, and cable sleeves helps prevent moisture ingress and reduces the risk of electrical faults in dusty outdoor environments. Overall, the electrical system is constructed to deliver dependable performance, ease of maintenance, and clear diagnostic pathways for service technicians working on SCAG equipment.
The diagnostic procedures and troubleshooting process for the SCAG STWC52V-26KA-LC must begin with a structured assessment that prioritizes safety and accuracy. Start by confirming the machine’s model, serial number, and reported symptoms from the operator or maintenance log. Establish the operating conditions under which the fault occurred, including recent maintenance activity, hours of operation, and any unusual noises or behaviors. Document all observations in a maintenance checklist to facilitate traceability and future reference. A systematic approach helps isolate issues efficiently and reduces the likelihood of overlooking interrelated faults that may manifest as a single symptom. Always ensure the power source is disconnected and the battery is isolated when performing any initial inspections to prevent accidental engagement of controls.
Symptom based troubleshooting workflow begins with clearly identifying the symptom and mapping it to potential failure modes. For common indicators such as loss of power, irregular engine idling, or abnormal vibrations, create a cause-and-effect list that covers electrical, hydraulic, and mechanical domains. Use a process of elimination by verifying basic items first: fuse integrity, battery voltage, physical obstructions, and obvious leaks or loose connections. Prioritize checks that can be completed without specialized tools, then escalate to more advanced diagnostics as needed. Maintain a running log of test results, noting pass/fail statuses and any corrective actions taken. This methodical workflow reduces downtime and supports precise corrective actions.
System electrical diagnostics involve inspecting the wiring harness, connectors, relays, and control modules specific to the STWC52V-26KA-LC configuration. Begin with a resistance and continuity check on primary power circuits, ensuring battery terminals are clean and secure. Inspect harnesses for signs of chafing, pin damage, or corrosion, and verify that safety interlocks operate correctly. Use a multimeter to confirm expected voltage at key harness junctions during engine cranking and at idle, accounting for expected ranges per the service data. If faults are detected in the electrical system, trace the circuit from the power source to the affected component, replacing damaged wiring or components as necessary and rechecking all related sensors and actuators after repair. Document any codes read from onboard diagnostics and interpret them against the manufacturer’s fault code table.
Hydraulic and fuel system checks require careful inspection of lines, fittings, filters, and reservoirs to ensure proper fluid conditions and unobstructed flow. Begin by confirming fuel availability, quality, and absence of contamination, and inspect the fuel pump and injectors for signs of wear or leakage. Check the hydraulic fluid level and condition, looking for browning or viscosity changes that indicate contamination or degradation. Inspect hoses and hydraulic lines for cracks, bulges, or loose connections, and verify that clamps and fasteners are secure. Evaluate the filtration system, replacing or cleaning filters as specified by the maintenance schedule, and test system pressures if equipped with a pressure gauge or diagnostic tool. When diagnosing hydraulic or fuel-related issues, recheck engine performance after each corrective action to determine whether symptoms persist, improve, or worsen. Comprehensive documentation should accompany each step to support warranty claims and future maintenance planning.
Maintenance procedures and schedules
Routine maintenance tasks should be performed on a consistent schedule to ensure reliable operation and to extend the service life of the SCAG STWC52V-26KA-LC. Begin with a thorough inspection before each use, checking for signs of wear, loose fasteners, and any fluid leaks. At the start of each season, perform a more comprehensive service that includes replacing or cleaning critical filters, inspecting belts for wear, and testing safety interlocks. Maintain a detailed record of all maintenance activities, including dates, parts replaced, and measurements taken, to help track wear trends and anticipate upcoming service needs. Establish a maintenance calendar that aligns with operating hours and manufacturer recommendations to avoid unexpected downtime and maintain optimal performance.
For routine tasks, schedule daily checks for tires or wheels, operator presence controls, and safety devices. Weekly, inspect the cutting deck or mowing components for blade wear and sharpness, and verify that the deck belt tension is correct. Monthly, remove and inspect the air intake and cooling system for obstructions, clean cooling fins, and replace any clogged or dirty air filters. Quarterly, perform a more detailed inspection of the drive system, brakes, and steering components, ensuring proper alignment and operation. Annually, conduct a comprehensive review of the engine mounting, exhaust system, and vibration isolation, replacing worn gaskets or seals as needed.
Lubrication points and recommended lubricants should be identified and followed meticulously to prevent premature wear. Apply the recommended synthetic or mineral-based engine oil to the engine at the specified intervals, and change the oil filter concurrently to maintain optimal engine health. Lubricate pivot points, linkages, and the front and rear wheel bearings with the manufacturer-approved lubricant, using the correct grade and quantity. Ensure that the grease fittings on moving joints receive a clean, ample amount of grease without overfilling, which can cause attractants to dirt and debris. Periodically inspect and lubricate the deck spindles, cutting height adjustments, and other rotating components, keeping lubrication free of dirt and debris that could impede motion.
Battery, charging system, and electrical connections require rigorous attention to prevent fuel or ignition-related failures and to ensure reliable starting and operation. Inspect the battery case for cracks or swelling, and test the electrolyte level if applicable, topping up with the recommended electrolyte type or distilled water only when permitted by the battery design. Ensure all battery terminals are clean, tight, and free of corrosion; apply a thin layer of dielectric grease to prevent oxidation. Verify the charging system output with a multimeter to confirm that the alternator or charging circuit maintains proper voltage within the manufacturer’s specified range under typical engine RPMs. Check wiring harnesses for signs of abrasion, insulation damage, and secure routing away from hot surfaces or moving components, repairing or replacing damaged sections as necessary. Confirm that all safety interlocks and switches continue to function correctly, and replace any faulty switches to preserve operator safety.
The SCAG STWC52V-26KA-LC is designed with precise control systems that rely on proper adjustment of throttle, governor, steering linkage, and sensor inputs to ensure safe and efficient operation. Begin by ensuring the engine is cool, the battery is disconnected, and all safety precautions are observed before any adjustment. Use manufacturer-recommended tools and follow torque specifications when fastening adjustments. Keep a clean workspace and document all measured values during calibration to track changes over time and facilitate future maintenance. This section provides detailed steps to achieve accurate throttle and governor settings, steering and linkage alignment, and sensor and switch calibration for optimal performance and reliability.
Throttle and governor adjustments
Proper throttle and governor adjustment ensures consistent engine speed under varying load conditions. Start by inspecting the throttle cable for signs of wear, fraying, or binding, and replace any damaged components. With the engine off, remove the protective covers to access the throttle and governor linkage. Set the idle speed to the value specified in the service sheet using a precise tachometer, and verify that the throttle plate returns to the idle position smoothly when the pedal or lever is released. Adjust the governor linkage so that full throttle corresponds to the governor arm's correct travel range as defined by the manufacturer, ensuring there is no excessive slack or binding. Finally, recheck idle speed and ensure the engine maintains a stable idle with no surging when subjected to light load changes.
When testing under simulated load, run the engine at various RPMs and observe how quickly and accurately the governor responds to changes in throttle input. If the engine overshoots or undershoots the target RPM, fine-tune the governor spring tension or linkage anchorage per the service parameters. Document the final idle and governed speeds and confirm they remain within the tolerances under normal operating temperatures. Consider performing a road test or belt-driven load test if recommended by the manufacturer to validate real-world performance. Always reinstall any protective hardware and ensure all fasteners are torqued to specification after making adjustments.
Steering and linkage alignment
Steering accuracy relies on properly aligned linkages and a centered steering geometry. Begin by inspecting the steering column, tie rods, and linkage joints for wear, play, or damage, and replace worn components as needed. With the wheels in a straight-ahead position, measure the toe-in or toe-out using a calibrated alignment tool or a measured string setup, and adjust the tie rod ends to achieve the manufacturer-recommended toe setting. Check that the steering wheel or control lever returns smoothly to center without binding or noticeable resistance, which may indicate a misadjusted linkage or a seized bearing. Inspect the pivot points, bushings, and idler arms for excessive play and lubricate or replace as required to restore precise steering response. After adjustments, perform a controlled dry run to verify steering alignment at different turning radii and speeds, ensuring predictable handling and minimal steering effort for the operator.
Additionally, verify that all mounting brackets and fasteners along the steering assembly are secured to the specified torque. Any looseness in the steering system can lead to unpredictable behavior and safety concerns during operation. Re-check the alignment after a short operation to confirm that there is no drift or misalignment developing as components warm up during use. Maintain a log of measured angles, toe values, and torque figures to assist future troubleshooting and to support preventive maintenance scheduling. Ensure that protective covers and guards are reinstalled to protect moving parts from debris and contact with the operator’s hands during use.
Sensor and switch calibration
Calibration of sensors and switches is essential for accurate data feedback to the control system and for ensuring safe machine operation. Begin by verifying all sensor connectors are clean, dry, and free of corrosion, and reseat connectors if any resistance is observed. Use a calibrated multimeter or manufacturer-specified diagnostic tool to compare sensor outputs against known reference values at standard operating temperatures. For position sensors or joystick inputs, confirm that the reported position aligns with the physical geometry of the linkage across the full range of motion, and adjust sensor mounting or calibration constants as required. Recalibrate temperature, pressure, or speed sensors according to the service manual, ensuring the readings stabilize within the specified tolerance bands after a warm-up period.
When calibrating switches, test each one in both the normal and actuated states to verify reliable engagement and defined hysteresis where applicable. Replace any worn or degraded switch actuators or harness connectors that exhibit intermittent signals or inconsistent readings. After completing sensor and switch calibration, perform a functional test by simulating typical operating conditions and verifying that the control system responds correctly to input variations, including emergency stop and safety interlock functions. Document all calibration data, including reference values, measured results, and any adjustments made, to support traceability and future maintenance planning. Finally, close all access panels and ensure all diagnostic indicators return to their normal, ready state before resuming operation.
Safe removal of major assemblies requires meticulous preparation to prevent injury and equipment damage. Begin by disconnecting the power source and removing any stored energy from hydraulic or spring systems in accordance with manufacturer guidelines. Secure the unit on a level, stable surface and engage wheel chocks or identical stabilizers to prevent movement during work. Use the correct personal protective equipment, including safety glasses, gloves, and steel-toed footwear, and have a colleague assist with handling heavy components to reduce the risk of mishandling. Before loosening any fasteners, take clear reference photos and document the orientation of cables, hoses, and brackets to ensure accurate reassembly. Label connectors and secure routing paths to avoid entanglement or misconnection during removal. Carefully disconnect electrical plugs only after verifying no residual voltage or stored energy remains, and lay removed assemblies on clean, non-slip mats to prevent contamination or damage.
Replacement part installation steps must follow an orderly sequence to ensure proper seating and alignment. Begin by inspecting the replacement part for defects, warping, or insufficient finish quality; if any issues are found, do not install and consult the supplier. Clean mating surfaces with a lint-free cloth and an approved solvent to remove oil, dust, or corrosion, ensuring all debris is removed from bolt holes and keyways. Align the part with the corresponding guides, dowels, or pins before applying any fasteners, and gradually snug fasteners in a crisscross pattern to promote even seating. Use appropriate thread-locking compound where specified and torque fasteners to the recommended values using a calibrated torque wrench. Reconnect any hoses or cables with attention to correct routing, avoiding sharp bends or excessive tension, and verify that seals are properly seated to prevent leaks or air ingress. Finally, perform a preliminary functional check by manually rotating or engaging the system to confirm smooth operation before proceeding to final alignment.
Alignment checks after installation are critical to ensure optimal performance and longevity of the power equipment. Begin with a visual inspection to confirm there is no interference between newly installed components and surrounding structures, and verify that all protective shields are reinstalled correctly. UseManufacturer-specified alignment procedures to check critical axes, such as belt tension, pulley alignment, and shaft runout, employing dial indicators or laser alignment tools as required. Record measured values and compare them to factory tolerances; if any deviation is detected, re-check mounting hardware and reference surfaces, then adjust accordingly. After alignment adjustments, re-torque fasteners to the specified values and re-check all connections for security and proper seating. Conduct a low-load operational test to verify smooth engagement of drive systems, and listen for unusual noises or vibrations that could indicate misalignment. If discrepancies persist, consult the service manual for corrective steps and consider replacing worn or damaged components to restore proper alignment and performance.
Common wear parts and replacement guidelines require a systematic approach to ensure the machine operates safely and reliably. Start by inspecting filtration paths, belts, and fasteners for signs of wear, cracking, or elongation. Replace tandem belts that show glazing, cracking, fraying, or missing teeth, and ensure tensioning pulleys are aligned properly after installation. Keep a record of part numbers, serial references, and the date of service to track service life and anticipate future maintenance needs. When replacing wear components, use OEM-approved parts to preserve performance characteristics and warranty coverage. Always power down the unit, disconnect the battery or power source, and discharge capacitors before handling any critical components to prevent injury or unintended operation.
Replacing belts, blades, and spindles requires precise alignment and correct torque specifications. Remove the debris and clean the cutting area to gain full visibility of the mounting hardware. Inspect belts for deep cracks or missing cords, and replace with the same width and length rating to maintain drive compatibility. When mounting new blades, ensure the correct balance and secure the bolts to the manufacturer-specified torque using a calibrated torque wrench. Spindle bearings should spin freely without grinding or excessive play; if roughness is detected, replace the spindle assembly or bearings as recommended by the OEM, ensuring proper reassembly to avoid vibration or imbalance. After reassembly, perform a test run at low speed to verify stability and belt tracking before returning the machine to full operation.
Electrical component replacement procedures demand careful isolation and static-safe handling. Disconnect all power sources and remove the key or main switch to prevent accidental startup during service. When replacing fuses or circuit boards, verify part numbers against the service manual and check for compatibility with the machine’s control system. Inspect wiring harnesses for signs of abrasion, cut insulation, or loose terminals, and reseal connections with heat-resistant caps or dielectric grease as appropriate. After installing any new electrical part, perform a functional check of safety interlocks, starter circuits, and the charging system, ensuring that indicators and error codes align with service documentation. If any fault persists after a replacement, consult OEM diagnostic procedures and verify that software calibration or parameter settings match the machine’s original specification before operation resumes.