This component, readily available at a major home improvement retailer, is a critical part of a small engine’s fuel delivery system. It mixes air and fuel in the correct proportions to ensure proper combustion within the engine cylinder. A malfunctioning instance of this part leads to starting difficulties, rough idling, or a complete inability for the machine to operate.
Its significance lies in maintaining the operational efficiency of outdoor power equipment. Proper functioning translates to optimal engine performance, reducing fuel consumption and minimizing emissions. Historically, these units have evolved in design and materials, moving from simple, manually adjustable versions to more complex, sometimes electronically controlled, iterations in response to increasing environmental regulations and demands for improved efficiency.
The following discussion will delve into the selection, maintenance, and troubleshooting associated with this engine component, focusing on practical guidance for homeowners and professionals alike. It will cover identification of appropriate replacement parts and best practices for extending service life.
1. Availability
The ready availability of this engine component at a large retail chain such as Home Depot directly impacts repair timelines and overall maintenance convenience for lawn mower owners. The ability to acquire a replacement part quickly reduces equipment downtime, allowing for timely completion of lawn care tasks. This accessibility contrasts with scenarios requiring specialized orders from smaller engine repair shops or online retailers, which can introduce delays of days or even weeks.
Home Depot’s widespread store network ensures that a significant portion of the population has relatively easy access to this critical part. This is especially crucial during peak lawn care seasons when demand for replacement carburetors is highest. Consider a situation where a homeowner experiences a carburetor failure on a Saturday morning. The proximity of a local Home Depot allows for immediate purchase and installation, potentially averting the need to postpone lawn maintenance until the following week. The store’s inventory management practices, aiming to maintain a sufficient stock of common replacement parts, further supports this accessibility.
However, it’s important to note that while general availability is high, specific models or configurations of the device may be subject to regional variations in stock or occasional shortages. Furthermore, online ordering through Home Depot provides an alternative avenue for acquisition when in-store inventory is limited, although shipping times must be factored into the overall repair timeline. Thus, while accessibility is generally a strength, confirming specific part availability prior to attempting a repair is advisable.
2. Price Range
The price range associated with a Home Depot lawn mower carburetor directly influences consumer purchasing decisions and the overall cost of lawn mower maintenance. The availability of these carburetors across different price points reflects variations in factors such as brand reputation, material quality, manufacturing complexity, and the specific engine models they are designed to fit. A lower-priced carburetor might be appealing for budget-conscious consumers; however, it may compromise on durability and long-term performance. Conversely, a higher-priced unit, potentially from a well-known brand, often implies superior materials and more stringent quality control processes, promising greater reliability and potentially extending the engine’s lifespan. For instance, a generic replacement carburetor might cost significantly less than an original equipment manufacturer (OEM) part.
The practical significance of understanding this price range lies in making informed choices based on individual needs and usage patterns. A homeowner with a small lawn and infrequent mowing needs might find a less expensive carburetor sufficient, provided it meets basic functional requirements. Conversely, a professional landscaper relying on the mower for daily operations would likely benefit from investing in a more robust, albeit pricier, component to minimize downtime and ensure consistent performance. Furthermore, the price range can also be indicative of the complexity of the carburetor design. Models with intricate features, such as adjustable jets or electronic controls, generally command a higher price due to their advanced functionality and the precision engineering required for their manufacture.
In summary, the price range of a Home Depot lawn mower carburetor represents a trade-off between initial cost and expected performance and longevity. Consumers must carefully consider their specific requirements and budget constraints when selecting a replacement carburetor. Opting for the cheapest option without evaluating its quality or compatibility could lead to frequent repairs and ultimately a higher total cost of ownership. Conversely, investing in a higher-priced, reputable carburetor can offer long-term value by reducing the likelihood of breakdowns and ensuring optimal engine performance, highlighting the importance of balancing price with quality and suitability.
3. Compatibility
Ensuring compatibility is paramount when acquiring a carburetor for a lawn mower from a retailer like Home Depot. Mismatched components result in operational failure and potential engine damage, highlighting the critical need for accurate identification and selection.
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Engine Model Specification
Each lawn mower engine, often manufactured by brands like Briggs & Stratton or Kohler, has a unique model specification that dictates the precise carburetor design required for proper operation. Installing a carburetor designed for a different engine model inevitably leads to performance issues, such as improper fuel mixture or inability to start. For example, a carburetor intended for a 6.5 horsepower engine will not function correctly on a 5.5 horsepower engine due to differences in airflow and fuel requirements.
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Mounting Interface Alignment
The physical interface between the carburetor and the engine intake manifold must align perfectly. Variations in bolt patterns, port sizes, and overall dimensions can prevent a secure and airtight connection. A misaligned interface causes vacuum leaks, disrupting the air-fuel ratio and resulting in rough idling or engine stalling. An example is a carburetor designed for a vertical shaft engine attempting to be installed on a horizontal shaft engine, where the mounting orientation is fundamentally different.
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Fuel Line and Control Linkage Configurations
Correct matching of fuel line connections and control linkage points is essential for seamless integration. Differences in fuel inlet size, location, or type can prevent proper fuel delivery. Similarly, mismatched throttle and choke linkage points will hinder the operator’s ability to control engine speed and starting. An example would be attempting to use a carburetor designed for a push-type cable throttle on a mower that uses a lever-actuated throttle system.
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Jetting and Calibration Parameters
Carburetor jetting (the size of the fuel passages) and calibration are optimized for specific engine operating characteristics. Installing a carburetor with incorrect jetting leads to either a fuel-rich or fuel-lean condition, both of which are detrimental to engine performance and longevity. For instance, a carburetor designed for high-altitude operation will likely have smaller jets to compensate for the reduced air density; installing this on a mower used at sea level results in a fuel-lean condition and potential engine overheating.
These considerations underscore the importance of verifying carburetor compatibility with the specific lawn mower engine before purchase. Home Depot typically provides product information, including compatible engine models, to facilitate informed selection. However, cross-referencing with the engine manufacturer’s specifications or consulting with a qualified technician is advisable to avoid costly errors and ensure optimal engine performance.
4. Installation
The correct installation of a Home Depot lawn mower carburetor is fundamental to ensuring proper engine operation and longevity. A poorly installed carburetor can lead to a range of issues, from starting difficulties and rough idling to complete engine failure. Therefore, adhering to proper procedures and understanding key considerations is essential.
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Preparation and Safety Measures
Prior to commencing the installation process, it is crucial to disconnect the spark plug wire to prevent accidental engine starting. Draining the fuel tank or clamping off the fuel line minimizes fuel spillage and associated fire hazards. A clean workspace, free from debris, is also essential to prevent contaminants from entering the carburetor or engine. Wearing appropriate personal protective equipment, such as gloves and eye protection, further safeguards against potential injury from fuel or sharp components.
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Removal of the Old Carburetor
Carefully disconnecting the fuel lines, throttle linkage, and choke linkage from the old carburetor is a critical step. Identifying and labeling these connections before removal aids in reassembly. Inspecting the intake manifold and carburetor mounting surfaces for damage or debris is essential, as any imperfections can compromise the seal and lead to vacuum leaks. Note the orientation of any gaskets or spacers for correct reinstallation. For instance, a cracked intake manifold will prevent a proper seal, negating the effectiveness of a new carburetor.
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Installation of the New Carburetor
Ensuring the correct alignment of the new carburetor with the intake manifold and securing it with the appropriate bolts or fasteners is paramount. Tightening the fasteners to the manufacturer’s specified torque prevents both leaks and damage to the carburetor housing. Reconnecting the fuel lines, throttle linkage, and choke linkage in the correct order is crucial. Verifying that all connections are secure and leak-free before starting the engine is essential. An over-tightened bolt can strip the threads in the carburetor body, rendering it unusable.
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Initial Adjustments and Testing
After installation, performing initial adjustments to the carburetor, such as idle speed and mixture settings, is often necessary. These adjustments ensure optimal engine performance and fuel efficiency. Starting the engine and allowing it to warm up before making fine-tuning adjustments is recommended. Monitoring the engine’s performance for any signs of misfire, hesitation, or excessive smoke is crucial. A poorly adjusted carburetor can result in a rich or lean fuel mixture, leading to reduced performance and potential engine damage.
These installation considerations are vital for maximizing the benefits of a Home Depot lawn mower carburetor. Proper installation not only ensures the immediate functionality of the lawn mower but also contributes to its long-term reliability and performance. Neglecting these steps can lead to recurring problems and potentially necessitate further repairs or component replacements.
5. Troubleshooting
Effective troubleshooting is essential when dealing with a lawn mower carburetor sourced from retailers such as Home Depot. Identifying and resolving common issues promptly prevents prolonged equipment downtime and potential engine damage. A systematic approach to diagnosing carburetor-related problems is necessary for achieving optimal lawn mower performance.
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Starting Difficulties
Inability to start is a frequent symptom of carburetor malfunction. Causes include a clogged fuel jet, a stuck float valve, or an improper air-fuel mixture adjustment. For instance, a small piece of debris obstructing the main jet prevents fuel flow, hindering ignition. Diagnosing this involves inspecting the fuel lines, fuel filter, and carburetor components for blockages. Corrective actions include cleaning the carburetor with appropriate solvents and compressed air.
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Rough Idling
Unstable or erratic idling often indicates a vacuum leak, an improperly adjusted idle speed screw, or a dirty carburetor. Air entering the system through a loose intake manifold or a damaged carburetor gasket disrupts the air-fuel ratio, causing irregular engine operation. Adjustment of the idle speed screw, tightening of intake manifold bolts, and thorough carburetor cleaning are potential remedies. A cracked or deteriorated carburetor insulator, allowing air ingress, exemplifies this issue.
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Engine Stalling
Engine stalling, particularly under load, can be attributed to a lean fuel mixture, a faulty fuel pump, or a blocked fuel vent. A lean condition starves the engine of fuel, especially when demands increase during mowing. Inspecting the fuel pump output, ensuring the fuel tank vent is clear, and adjusting the carburetor to enrich the fuel mixture may resolve the problem. A fuel tank vent clogged with debris prevents proper fuel flow, leading to intermittent stalling.
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Fuel Leakage
Fuel leakage from the carburetor poses a fire hazard and indicates a malfunctioning float valve, a damaged fuel line, or a cracked carburetor bowl. A stuck float valve allows excessive fuel to enter the carburetor, overflowing into the engine or onto the ground. Replacing the float valve, inspecting the fuel lines for cracks, and replacing the carburetor bowl if damaged are necessary actions. A deteriorated fuel line connection to the carburetor allows continuous fuel leakage, requiring immediate attention.
These common troubleshooting scenarios highlight the importance of a methodical diagnostic process when dealing with lawn mower carburetors obtained from retail sources. Addressing these issues promptly and effectively contributes to maintaining optimal engine performance and preventing more serious mechanical problems. Regularly scheduled maintenance and inspection of these components contribute to long term reliability.
6. Cleaning
Regular cleaning of a lawn mower carburetor, particularly those sourced from retailers such as Home Depot, is critical for maintaining optimal engine performance and prolonging component lifespan. Accumulation of fuel deposits, dirt, and debris within the carburetor’s intricate passages can impede fuel flow and disrupt the air-fuel mixture, leading to operational inefficiencies.
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Importance of Disassembly
Complete disassembly of the carburetor is often necessary for thorough cleaning. This involves carefully separating the carburetor body, float bowl, float, needle valve, and jets. Disassembly allows for direct access to all critical passages and components, enabling the removal of stubborn deposits that would otherwise remain inaccessible. Failure to disassemble properly can result in incomplete cleaning and continued performance issues. For instance, deposits lodged within the main jet are difficult to remove without direct access achieved through disassembly.
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Use of Appropriate Cleaning Solvents
The selection of appropriate cleaning solvents is essential to avoid damaging delicate carburetor components. Specialized carburetor cleaners are formulated to dissolve fuel deposits and varnish without harming rubber or plastic parts. Harsh chemicals, such as brake cleaner or acetone, can degrade seals and diaphragms, rendering the carburetor unusable. Soaking the disassembled carburetor components in a dedicated cleaner for a specified period allows for effective deposit removal. An example is using a carburetor cleaner specifically designed to dissolve ethanol-based fuel deposits, which are increasingly common in modern fuels.
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Mechanical Cleaning Techniques
Mechanical cleaning techniques, such as using fine-gauge wire or carburetor cleaning brushes, are often required to dislodge stubborn deposits that solvents alone cannot remove. Caution must be exercised to avoid enlarging or damaging the precisely calibrated jets and passages. Compressed air is then used to blow out any remaining debris and ensure that all passages are clear. A blocked idle circuit, for instance, may require the careful use of a thin wire to clear the obstruction before blowing it out with compressed air.
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Reassembly and Adjustment
Following cleaning, careful reassembly of the carburetor is crucial. Ensuring that all components are properly seated and that gaskets are in good condition is essential for preventing leaks. After reassembly, adjusting the carburetor’s idle speed and mixture screws is often necessary to optimize engine performance. Improper reassembly or adjustment can negate the benefits of cleaning, leading to continued operational issues. For example, failing to replace a worn float bowl gasket can result in fuel leakage after cleaning.
These cleaning practices, applied to a Home Depot lawn mower carburetor, directly influence the equipment’s reliability and performance. Regular, thorough cleaning minimizes fuel consumption, reduces emissions, and extends the lifespan of critical engine components. Neglecting this maintenance step leads to diminished efficiency and increased likelihood of costly repairs.
7. Adjustment
Precise adjustment is essential for optimal performance of a lawn mower carburetor obtained from retail sources. Improper settings lead to inefficiencies, increased emissions, and potential engine damage. Understanding the principles of carburetor adjustment is therefore critical for maintaining lawn mower functionality.
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Idle Speed Adjustment
Idle speed adjustment regulates the engine’s revolutions per minute (RPM) when the throttle is at its lowest position. An excessively low idle speed causes stalling, while an excessively high idle speed results in increased fuel consumption and potential clutch engagement. The idle speed screw, typically located on the carburetor body, controls airflow. For example, turning the screw clockwise increases idle speed, while turning it counterclockwise decreases idle speed. The correct idle speed, specified by the engine manufacturer, ensures smooth engine operation when the mower is not actively cutting grass.
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Mixture Adjustment
Mixture adjustment controls the ratio of air to fuel entering the engine. A lean mixture (too much air, not enough fuel) results in difficult starting, poor performance, and potential engine overheating. A rich mixture (too much fuel, not enough air) leads to excessive smoke, fouled spark plugs, and wasted fuel. The mixture screw, also located on the carburetor, regulates fuel flow. Turning the screw inward typically leans the mixture, while turning it outward enriches the mixture. Proper mixture adjustment, often performed by ear or with a tachometer, optimizes engine performance and minimizes emissions. An incorrect mixture setting contributes to inefficient fuel consumption and potential long-term engine damage.
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Choke Adjustment
Choke adjustment, while less frequently adjustable on newer carburetors, affects the amount of air entering the engine during startup. The choke restricts airflow, creating a richer fuel mixture necessary for cold starts. Improper choke adjustment can result in difficult starting or flooding of the engine. The choke lever or cable controls the choke plate within the carburetor’s air intake. Ensuring the choke plate fully closes when engaged and fully opens when disengaged is essential for proper starting and running. A malfunctioning choke mechanism prevents the engine from starting easily, especially in cold weather.
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Float Level Adjustment
Float level adjustment, typically less accessible and requiring carburetor disassembly, determines the fuel level within the float bowl. An incorrect float level affects the air-fuel mixture across all engine speeds. A high float level causes a rich mixture, while a low float level results in a lean mixture. Adjusting the float involves bending the float arm to achieve the specified height. Accurate float level adjustment, requiring precision and adherence to manufacturer specifications, is crucial for consistent engine performance. An improperly set float level contributes to various performance problems, requiring a more involved diagnostic and repair process.
These adjustment parameters collectively influence the operational characteristics of a Home Depot lawn mower carburetor. Accurate adjustment, guided by manufacturer specifications and sound mechanical principles, is necessary for maximizing engine efficiency, minimizing emissions, and ensuring long-term reliability. Deviations from optimal settings result in a cascade of performance issues and potential component failures.
8. Fuel Type
Fuel type compatibility is a crucial consideration when utilizing a carburetor purchased from a retailer such as Home Depot. The design and calibration of the carburetor are intrinsically linked to the specific fuel type intended for use. Introducing an incompatible fuel leads to operational inefficiencies, potential engine damage, and voided warranties. For example, a carburetor designed for use with unleaded gasoline may corrode or malfunction if exposed to fuels with high ethanol content exceeding the manufacturer’s specifications. This corrosion impacts the jets and internal passages, disrupting fuel flow and air-fuel mixture.
A significant consequence of using incorrect fuel is altered combustion characteristics. Carburetors are calibrated to deliver a precise air-fuel mixture ratio for optimal combustion with a specific fuel’s properties. Using a fuel with a different octane rating or chemical composition disrupts this balance. This disruption results in incomplete combustion, increased emissions, and reduced engine power. In practical terms, this manifests as difficulty starting, rough idling, and a significant reduction in the mower’s ability to handle demanding tasks such as cutting thick grass. For instance, a lawn mower fueled with a low-octane gasoline when a higher octane is recommended experiences engine knocking, a form of pre-ignition that damages internal components over time.
Understanding the fuel type requirements for a given carburetor is therefore paramount. This information is typically found in the engine manufacturer’s documentation or on the carburetor itself. Failure to adhere to these specifications results in diminished performance, increased maintenance needs, and a shortened lifespan for both the carburetor and the engine. Moreover, the use of improper fuel presents safety hazards, as fuel leaks or engine malfunctions increase the risk of fire. Thus, verifying fuel compatibility prior to operating a lawn mower with a Home Depot carburetor is an essential step in ensuring safe and efficient operation.
Frequently Asked Questions
The following addresses common inquiries regarding these replacement parts, focusing on ensuring proper selection, installation, and maintenance for optimal lawn mower performance.
Question 1: What are the primary symptoms indicating a failing carburetor that necessitates replacement?
Common indicators include difficulty starting the engine, rough or erratic idling, engine stalling, reduced power output, and excessive fuel consumption. The presence of black smoke emanating from the exhaust is another potential sign.
Question 2: How can one ensure the replacement carburetor purchased from Home Depot is compatible with the existing lawn mower engine?
Compatibility verification involves cross-referencing the engine model number, typically found on the engine housing, with the carburetor’s specifications provided by Home Depot. Matching bolt patterns, linkage configurations, and fuel inlet positions are also critical for proper fitment. Consulting the engine manufacturer’s parts catalog is recommended.
Question 3: What tools and supplies are required for a successful carburetor replacement?
Essential tools include a socket set, screwdrivers (both flathead and Phillips), pliers, and potentially a torque wrench for tightening fasteners to specified values. Necessary supplies encompass a new carburetor gasket, fuel line clamps, and a container to collect drained fuel. Carburetor cleaner and compressed air are beneficial for cleaning surrounding components.
Question 4: What precautions should be taken during carburetor removal and installation to prevent damage or injury?
Disconnecting the spark plug wire before commencing work prevents accidental engine starting. Draining the fuel tank or clamping off the fuel line minimizes fuel spillage. Careful handling of fuel minimizes fire hazards. Wearing eye protection safeguards against splashing fuel or debris.
Question 5: After installing a new carburetor, what adjustments are typically required for optimal engine performance?
Idle speed adjustment and air-fuel mixture adjustment are frequently necessary. The idle speed screw regulates engine RPM at idle, while the mixture screw controls the air-fuel ratio. Adjustments are typically performed by ear or with a tachometer, following the engine manufacturer’s recommendations.
Question 6: What maintenance practices extend the lifespan and operational efficiency of a Home Depot lawn mower carburetor?
Regularly inspecting and cleaning the carburetor, using fuel stabilizers, and ensuring proper fuel filtration are crucial. Preventing fuel from sitting in the carburetor for extended periods, especially during off-season storage, minimizes the formation of varnish and deposits.
Adhering to these guidelines ensures informed decision-making and contributes to the reliable operation of lawn care equipment.
The subsequent sections will address advanced troubleshooting and repair strategies for carburetors.
Tips for Maintaining a Home Depot Lawn Mower Carburetor
This section outlines essential tips for preserving the operational integrity of a lawn mower carburetor, focusing on proactive maintenance and informed decision-making to maximize lifespan and performance.
Tip 1: Implement Regular Inspection Protocols
Routine visual examination of the carburetor, fuel lines, and associated components identifies potential issues, such as leaks, cracks, or deteriorated connections, before they escalate into significant malfunctions. Inspect the carburetor after each use, or at minimum, monthly during peak mowing season.
Tip 2: Prioritize Fuel Stabilization Measures
Adding a fuel stabilizer to the gasoline, particularly during periods of infrequent use or seasonal storage, prevents fuel degradation and the formation of varnish deposits within the carburetor’s intricate passages. Treat fuel according to the stabilizer manufacturer’s instructions.
Tip 3: Adhere to Recommended Fuel Filtration Practices
Installing and maintaining a fuel filter between the fuel tank and the carburetor traps particulate matter and contaminants, preventing them from entering the carburetor’s delicate internal components. Replace the fuel filter according to the engine manufacturer’s service schedule.
Tip 4: Employ Proper Winterization Techniques
Before storing the lawn mower for the winter or extended periods of disuse, completely drain the fuel tank and carburetor to prevent fuel degradation and deposit formation. Alternatively, run the engine until it consumes all fuel, effectively emptying the carburetor.
Tip 5: Maintain a Clean Engine Environment
Regularly cleaning the engine exterior and surrounding areas prevents the accumulation of debris that can infiltrate the carburetor and other critical components. Use a brush or compressed air to remove dirt and grass clippings from the engine compartment.
Tip 6: Consult Professional Expertise When Necessary
If experiencing persistent carburetor-related problems or lacking the requisite mechanical expertise, seek assistance from a qualified small engine technician. Attempting complex repairs without proper knowledge risks causing further damage.
Tip 7: Document Maintenance Procedures
Maintain a detailed record of all maintenance performed on the carburetor, including dates, procedures, and parts replaced. This documentation facilitates tracking of service intervals and aids in diagnosing future problems.
Consistent adherence to these tips significantly enhances the operational reliability of a lawn mower carburetor, reduces the likelihood of costly repairs, and prolongs the service life of the equipment.
The following concluding section provides a summary of the key takeaways and final considerations.
Conclusion
The preceding analysis has explored the multifaceted aspects of the home depot lawn mower carburetor, encompassing availability, price considerations, compatibility, installation procedures, troubleshooting techniques, cleaning methods, adjustment parameters, and fuel type requirements. Each element plays a critical role in ensuring the reliable and efficient operation of lawn care equipment. Understanding these factors empowers informed decision-making and proactive maintenance strategies.
Proper selection, meticulous installation, and diligent upkeep are paramount to maximizing the benefits derived from this essential engine component. Neglecting these principles risks diminished performance, increased maintenance costs, and a reduced lifespan for the equipment. Continued vigilance and adherence to best practices remain crucial for maintaining optimal lawn mower functionality and minimizing the environmental impact of outdoor power equipment.
