Air powered coolant stress tester – a essential instrument for sustaining optimum coolant system stress. Understanding how these units work, and the significance of exact stress readings, generally is a sport changer. This information dives deep into the world of air-powered coolant stress testers, from their elementary operation to sensible purposes and important security precautions. We’ll discover numerous fashions, examine key specs, and element the meticulous procedures for operation, upkeep, and troubleshooting.
This complete useful resource is designed to equip you with the data and abilities to confidently use an air powered coolant stress tester. From the fundamentals of coolant system stress testing to superior troubleshooting, this information has bought you coated. Whether or not you are a seasoned technician or a curious fanatic, you may discover invaluable insights and sensible recommendation to make sure the security and effectivity of your coolant system.
This exploration guarantees to be each informative and interesting.
Introduction to Air-Powered Coolant Stress Testers
Air-powered coolant stress testers are important instruments for sustaining and troubleshooting cooling methods in autos, equipment, and industrial gear. They supply a secure and environment friendly methodology for verifying the stress integrity of coolant methods, guaranteeing optimum efficiency and stopping pricey breakdowns. These units are broadly utilized by mechanics, engineers, and technicians throughout numerous industries.These specialised instruments make the most of compressed air to simulate working stress inside a coolant system.
This permits for an intensive evaluation of the system’s capacity to resist stress with out leaks or failures. This testing methodology gives essential information concerning the system’s situation, figuring out potential points earlier than they escalate into main issues.
Basic Working Rules
Air-powered coolant stress testers operate by pressurizing the coolant system with compressed air. A stress gauge displays the stress, and any leaks or weaknesses within the system manifest as a drop in stress. The speed of stress lower signifies the severity of the difficulty. Correct readings are essential for exact prognosis.
Significance of Stress Testing in Coolant Techniques
Stress testing is significant for detecting leaks and figuring out potential system weaknesses. This proactive method helps stop pricey repairs and potential hazards related to coolant leaks, reminiscent of environmental contamination and element harm. Early detection permits for well timed intervention, saving time and sources.
Varieties of Air-Powered Coolant Stress Testers
Varied varieties of air-powered coolant stress testers cater to various purposes and necessities. These instruments differ in stress ranges, accuracy ranges, and portability.
- Transportable Testers: These testers are designed for subject purposes, providing mobility and fast assessments. They are perfect for on-site inspections and upkeep in numerous areas. Their compact measurement and light-weight design contribute to ease of use and transport.
- Stationary Testers: These testers are sometimes bigger and extra sturdy, typically built-in into workshops or industrial settings. Their better measurement accommodates bigger coolant methods and supply extra correct readings. These testers often characteristic extra superior functionalities, like information logging and built-in stress management mechanisms.
- Specialised Testers: Some testers are tailor-made for particular varieties of coolant methods or purposes. For example, sure fashions are outfitted to deal with high-pressure methods or particular coolant varieties. These specialised instruments present enhanced precision and effectivity in distinctive purposes.
Comparative Evaluation of Fashions
The desk beneath Artikels key specs of various air-powered coolant stress testers, facilitating knowledgeable choices based mostly on particular wants and necessities.
| Mannequin | Stress Vary (psi) | Accuracy (%) | Portability | Options |
|---|---|---|---|---|
| Mannequin A | 0-150 | ±2% | Excessive | Compact design, digital show |
| Mannequin B | 0-300 | ±1% | Medium | Information logging, stress management |
| Mannequin C | 0-500 | ±1.5% | Low | Excessive-pressure functionality, specialised fittings |
Functions and Makes use of
Air-powered coolant stress testers aren’t simply instruments; they’re important diagnostic devices throughout a variety of industries. Their capacity to swiftly and precisely gauge coolant stress empowers technicians to rapidly establish potential points, stop pricey breakdowns, and guarantee optimum system efficiency. This detailed have a look at purposes reveals how these testers are indispensable in sustaining effectivity and reliability.Correct stress readings are essential for guaranteeing the well being and longevity of cooling methods.
A stress drop or spike can sign leaks, air pockets, or different hidden issues. The swift detection supplied by these testers permits for well timed repairs, averting main breakdowns and costly replacements.
Automotive Business
Coolant stress testing is significant in sustaining the environment friendly operation of automotive engines. Defective seals or cracks within the cooling system can result in overheating, harm, and even engine failure. The exact readings from air-powered testers allow mechanics to pinpoint the supply of the difficulty rapidly and successfully. This helps them diagnose issues like head gasket failures or radiator leaks, in the end stopping extra vital harm.
Moreover, correct stress measurements assist technicians make sure the system is correctly stuffed with the right coolant combination, maximizing effectivity and decreasing the danger of corrosion.
HVAC Techniques
Air-powered stress testers play an important position in HVAC methods. These methods depend on exact coolant stress to function successfully. The testers are invaluable for diagnosing leaks, air pockets, or obstructions within the system, enabling swift and focused repairs. This prevents pricey breakdowns and ensures the environment friendly and constant heating or cooling of buildings, which is essential for consolation and vitality conservation.
Industrial Equipment
In numerous industrial settings, coolant methods are essential to the graceful operation of equipment. These methods might be complicated, with a number of parts and complicated pathways. Stress testers are used to confirm that the coolant stress stays throughout the required vary, stopping breakdowns, and guaranteeing equipment capabilities optimally. The usage of these testers allows proactive upkeep and reduces downtime, minimizing misplaced productiveness.
Desk: Functions and Advantages
| Utility | Advantages |
|---|---|
| Automotive | Early detection of leaks, environment friendly prognosis, prevention of pricey engine harm, improved gasoline effectivity |
| HVAC | Immediate identification of leaks and obstructions, optimized heating/cooling efficiency, vitality financial savings |
| Industrial Equipment | Making certain optimum system stress, minimizing breakdowns, proactive upkeep, diminished downtime, improved productiveness |
Key Options and Specs
A high-quality air-powered coolant stress tester is greater than only a instrument; it is a very important diagnostic instrument in sustaining optimum engine efficiency and longevity. Understanding its essential options and specs is essential for making knowledgeable choices and guaranteeing correct readings. Correct use of those units safeguards towards potential harm to the automobile and protects the person.These testers, rigorously designed, present exact measurements and dependable information for correct diagnoses.
The stress vary, accuracy, and security options of a tester instantly affect its usability and the reliability of the outcomes. Cautious consideration of those facets ensures each security and accuracy within the diagnostic course of.
Stress Vary and Accuracy
The stress vary is a essential issue within the number of an air-powered coolant stress tester. It determines the varieties of methods and autos the tester can precisely diagnose. A wider stress vary is useful, enabling versatility in numerous purposes. Accuracy is equally essential; a extremely correct tester ensures exact measurements, minimizing the danger of misdiagnosis and potential repairs.
A tester with a calibrated and verified stress gauge ensures dependable and constant outcomes, resulting in assured upkeep choices.
Security Options and Procedures
Security is paramount when working with pressurized methods. Correct security procedures and options constructed into the tester are essential. These embrace overpressure safety valves, stress aid mechanisms, and strengthened housings. Adherence to security precautions and procedures is significant for person safety and to stop potential accidents.
“At all times observe the producer’s directions and security pointers when utilizing the air-powered coolant stress tester.”
The process for utilizing these testers entails cautious preparation and adherence to security protocols. This consists of verifying the coolant system’s integrity and guaranteeing correct air flow. At all times prioritize security and keep away from shortcuts.
Comparability of Stress Gauges
Completely different stress gauges supply various functionalities and accuracies. Analog gauges present a visible illustration of stress modifications, whereas digital gauges supply exact numerical readings and sometimes extra options like information logging. The selection depends upon the precise wants and preferences of the person.
Security Precautions and Procedures
Security precautions and procedures are essential when utilizing any pressure-related gear. At all times make sure the coolant system is correctly drained and depressurized earlier than commencing the check. Use acceptable private protecting gear (PPE) like security glasses and gloves. At all times observe the producer’s directions rigorously and totally.
Key Specs Desk
This desk Artikels the important thing specs of varied air-powered coolant stress testers, highlighting the variations in stress ranges, accuracy, and security options.
| Model | Stress Vary (psi) | Accuracy (%) | Security Options | Extra Options |
|---|---|---|---|---|
| Model A | 0-150 | ±1% | Overpressure valve, stress aid valve | Information logging, digital show |
| Model B | 0-200 | ±0.5% | Overpressure valve, stress aid valve, strengthened housing | Information logging, automated shut-off |
| Model C | 0-100 | ±0.75% | Overpressure valve, stress aid valve | Straightforward-to-read analog gauge |
Operational Procedures and Upkeep: Air Powered Coolant Stress Tester
Getting your coolant system in tip-top form is simpler than you assume, and an air-powered coolant stress tester makes the job a breeze. Correct operation and upkeep are key to making sure correct readings, extending the lifetime of the gear, and stopping pricey repairs down the street.This part particulars the steps for secure and efficient use of your air-powered coolant stress tester, masking every thing from preliminary setup to ongoing upkeep.
Observe these directions meticulously, and you will be nicely in your strategy to sustaining a wholesome and environment friendly coolant system.
Pre-Testing Preparations and Security Checks
Earlier than commencing any testing, thorough preparations and security precautions are paramount. Make sure the coolant system is correctly drained, or a minimum of the realm across the connection factors is free from obstructions and contaminants. This consists of visually inspecting all connections for any leaks or harm. Verify the suitable stress gauge is chosen, and make sure the stress gauge is zeroed.
Security glasses, gloves, and acceptable private protecting gear (PPE) are essential to stop accidents. Correct grounding of the gear is crucial to keep away from electrical hazards.
Connecting the Tester to the Coolant System
Connecting the air-powered coolant stress tester to the coolant system requires precision and a focus to element. Fastidiously connect the tester’s hose to the suitable becoming on the coolant system, guaranteeing a safe and leak-proof connection. Over-tightening can harm parts, whereas under-tightening can result in leaks. Seek the advice of the person guide for particular directions relating to the right becoming to your system.
A visible verify for any leaks after connection is at all times beneficial.
Monitoring and Recording Stress Readings
Exact monitoring and correct recording of stress readings are very important for correct prognosis. Slowly and steadily enhance the stress within the coolant system in line with the directions, whereas rigorously observing the stress gauge. Word the stress values at common intervals, and report these readings in a logbook for future reference and evaluation. Take note of any uncommon fluctuations in stress, as these could point out underlying points.
Make sure to launch the stress step by step, and by no means exceed the utmost stress limits specified to your system.
Significance of Correct Upkeep and Calibration
Common upkeep and calibration are important to sustaining the accuracy and reliability of the air-powered coolant stress tester. This consists of checking for any harm or put on and tear on the tester’s parts, guaranteeing the stress gauge is calibrated, and changing worn-out or broken components promptly. Following the producer’s beneficial upkeep schedule is essential to maximise the lifetime of your gear and keep away from pricey repairs.
A correctly calibrated tester ensures correct readings.
Crucial Instruments for Upkeep
Varied instruments are wanted for efficient upkeep. A set of wrenches, screwdrivers, and a stress gauge calibration instrument are important for routine upkeep and troubleshooting. Moreover, a multimeter and/or a leak detector is perhaps required for particular duties. Seek the advice of the producer’s suggestions for a whole checklist of needed instruments. A well-stocked toolkit ensures that you’ve got the suitable instruments at hand when wanted.
Troubleshooting Widespread Points
This is a step-by-step information for troubleshooting frequent points with the air-powered coolant stress tester:
- Leak within the system: Examine all connections for leaks, tightening them if needed. If a leak persists, examine the hoses and fittings for harm. Take into account changing broken parts.
- Inaccurate stress readings: Confirm the stress gauge calibration. If the calibration is off, have the gauge professionally calibrated. Examine for obstructions within the stress strains or every other elements that might affect the accuracy of the readings.
- Tester malfunction: Seek the advice of the person guide for troubleshooting guides. If the difficulty persists, contact a certified technician for additional help.
Security Issues and Precautions
Excessive-pressure methods, like these in air-powered coolant stress testers, demand utmost respect. Understanding and diligently making use of security precautions is essential for stopping accidents and guaranteeing a secure working surroundings. Ignoring these facets can result in critical accidents or gear harm.Correct dealing with and adherence to security procedures are important when working with air-powered coolant stress testers. This part Artikels essential security issues, emphasizing the significance of preventative measures to take care of a secure work surroundings.
Potential Hazards of Excessive Pressures
Excessive pressures, inherent in these units, could cause vital hurt. Rupture of hoses, connections, or the tester itself can launch pressurized coolant or air with forceful affect. Improper dealing with may end up in extreme accidents, reminiscent of cuts, burns, or much more critical situations like eye accidents or inside trauma. Furthermore, unintended publicity to the coolant itself can have opposed well being results relying on its composition.
At all times prioritize security when working with these methods.
Security Measures to Forestall Accidents
A complete method to security entails a number of preventative measures. Common inspections of all parts, together with hoses, fittings, and the tester physique, are paramount. Making certain correct connections and seals is essential. Faulty parts needs to be promptly changed to stop potential failures. Utilizing acceptable private protecting gear (PPE) can be obligatory.
This consists of security glasses, gloves, and probably a face protect, relying on the precise operation.
Important Security Tools
Acceptable security gear is just not merely beneficial; it’s obligatory. Security glasses are important to guard the eyes from flying particles or coolant spray. Strong work gloves will protect fingers from cuts or abrasions. A face protect or full-face respirator is perhaps wanted in sure situations, particularly if there is a threat of coolant spray or mist. Take into account the precise hazards introduced by the coolant kind and the working surroundings when deciding on PPE.
Significance of Correct Coaching
Thorough coaching on the secure operation of air-powered coolant stress testers is essential. Personnel ought to perceive the potential hazards, the correct procedures, and the right utilization of security gear. This coaching ought to cowl all facets, from gear setup and operation to emergency response procedures. Correctly skilled personnel are far much less more likely to trigger accidents.
Dealing with and Storing the Tester
Cautious dealing with and storage are important to stop harm and accidents. The tester needs to be saved in a safe location, away from youngsters and unauthorized personnel. Common upkeep, together with checking stress gauges and hose connections, needs to be carried out. Correct storage practices and dealing with procedures stop accidents and preserve the gear’s integrity.
Potential Hazards and Corresponding Security Precautions
| Potential Hazard | Security Precautions |
|---|---|
| Excessive-pressure coolant launch | Use acceptable PPE (security glasses, gloves, face protect). Guarantee all connections are safe and leak-free. Conduct common inspections. |
| Tools malfunction | Common upkeep and inspections of the gear. Don’t function broken or defective gear. |
| Coolant publicity | Put on acceptable protecting clothes and gloves. Observe producer’s pointers on dealing with and disposal of coolant. |
| Improper dealing with | Adhere to the producer’s working directions. Search correct coaching earlier than working the tester. |
| Tools harm | Retailer the tester in a safe and designated location. Keep away from bodily affect or publicity to harsh components. |
Upkeep and Troubleshooting
Conserving your air-powered coolant stress tester buzzing alongside easily entails a little bit of preventative care and realizing learn how to diagnose minor hiccups. Correct upkeep not solely extends the lifetime of your tester but in addition ensures correct readings and dependable outcomes, making it a worthwhile funding in the long term. Common checks and easy changes can prevent complications and dear repairs down the street.Sustaining peak efficiency requires a proactive method.
Routine upkeep, like cleansing and lubrication, can stop potential points and lengthen the lifetime of your stress tester. Understanding learn how to troubleshoot frequent issues will prevent money and time, empowering you to rapidly resolve any points that come up. This part particulars important upkeep steps, troubleshooting guides, and calibration procedures, guaranteeing you get essentially the most out of your stress testing gear.
Important Upkeep Steps
Common upkeep is essential for preserving the integrity and accuracy of your air-powered coolant stress tester. This entails cleansing, lubricating, and checking parts usually. Following these steps ensures clean operation and avoids potential malfunctions.
- Common cleansing of the stress gauge, air consumption filter, and the coolant reservoir will stop blockages and guarantee correct stress readings.
- Lubricating transferring components, such because the pump mechanism and piston seals, ensures clean operation and minimizes put on and tear.
- Visible inspection of hoses and connections for any indicators of damage or harm, and rapid alternative of broken parts will stop leaks and guarantee correct operation.
Cleansing and Lubricating Elements
Thorough cleansing and lubrication are very important for optimum efficiency and longevity. A clear and well-maintained tester ensures accuracy and prevents untimely put on.
- Stress Gauge Cleansing: Detach the stress gauge. Use a smooth, lint-free fabric dampened with a light, non-abrasive cleaner to softly wipe the gauge’s floor. Keep away from utilizing harsh chemical substances or abrasive supplies, which may harm the gauge’s delicate parts.
- Air Consumption Filter Cleansing: Periodically examine and clear the air consumption filter to take away any mud or particles that might impede airflow and affect efficiency. Use compressed air or a smooth brush to wash the filter. Change the filter if needed, in line with the producer’s suggestions.
- Coolant Reservoir Cleansing: Make sure the coolant reservoir is clear and free from contaminants. Periodically, flush and clear the reservoir to take away any residue that might probably intervene with correct stress measurements.
- Lubrication: Determine the producer’s suggestions for lubrication factors. Use the suitable lubricant specified by the producer to lubricate transferring components, guaranteeing clean operation and stopping friction. Over-lubrication might be detrimental. Apply a small quantity of lubricant to the designated areas.
Checking Stress Gauge Accuracy
Correct stress readings are paramount for exact testing. A calibrated stress gauge ensures reliability and avoids misinterpretations.
- Calibration Process: Seek advice from the producer’s directions for an in depth calibration process. Make the most of a identified commonplace stress supply to confirm the accuracy of the stress gauge.
- Frequency of Checks: Set up a schedule for normal calibration checks, contemplating the frequency of use and environmental situations. Common calibration checks preserve the accuracy of the stress gauge.
- Acceptable Tolerance: Make sure the readings fall throughout the acceptable tolerance vary specified by the producer.
Troubleshooting Widespread Malfunctions
Figuring out and resolving points promptly ensures environment friendly operation and prevents additional harm. Diagnosing issues promptly will reduce downtime.
- Low Stress Readings: Examine for leaks within the system, make sure the air compressor is functioning accurately, and ensure the correct connection of all parts.
- Excessive Stress Readings: Examine the stress aid valve for correct operation, verify for blockages within the coolant movement path, and make sure the stress gauge is accurately calibrated.
- No Readings: Confirm the facility provide to the stress gauge and the air compressor, guarantee all connections are safe, and verify for any obstructions within the air strains.
- Inconsistent Readings: Examine the air provide stress for stability, guarantee all connections are tight, and verify for any indicators of leaks or worn-out parts.
Strategies for Diagnosing Issues
A scientific method to prognosis streamlines the method and identifies the foundation trigger effectively. This lets you repair the difficulty rapidly.
- Visible Inspection: Totally examine all parts for any indicators of injury, leaks, or obstructions. Pay shut consideration to hoses, connections, and the stress gauge.
- Systemic Checks: Confirm that the air compressor is functioning correctly, and be certain that the stress gauge is correctly calibrated. Examine for any blockages or leaks within the coolant system.
- Part Testing: If the difficulty persists, check particular person parts to isolate the supply of the issue.
Calibrating the Stress Gauge
A calibrated stress gauge ensures dependable and correct readings. Calibration procedures are essential to sustaining the integrity of the stress tester.
- Collect needed instruments and supplies, together with a calibrated stress commonplace, an acceptable wrench or spanner, and cleansing supplies.
- Observe the producer’s directions for disassembling the stress gauge. Fastidiously deal with delicate parts.
- Join the calibrated stress commonplace to the stress gauge enter. Apply the identified stress.
- Examine the studying on the stress gauge to the identified stress commonplace. Modify as needed to realize correct readings. Reassemble the gauge rigorously.
Detailed Rationalization of Elements
Unveiling the inside workings of an air-powered coolant stress tester reveals an interesting interaction of parts, every meticulously designed to make sure correct readings and dependable efficiency. This intricate system, like a finely tuned machine, converts compressed air into exact stress measurements, offering invaluable insights into your automobile’s cooling system.The core parts of the tester work collectively in a harmonious dance, translating stress modifications into simply understood readings.
Understanding their particular person roles and collective efforts permits for higher upkeep and troubleshooting, in the end extending the lifetime of your cooling system. Think about a detective meticulously analyzing clues to unravel a thriller; the tester acts as that detective, offering the important data wanted to take care of your automobile’s well being.
Air Compressor
The guts of the system, the air compressor, is a strong workhorse. It intakes ambient air and compresses it to a predetermined stress, sometimes within the vary of 30 to 100 PSI. This compressed air is then channeled to the stress gauge and different parts, powering your complete testing course of. Supplies used typically embrace sturdy metallic alloys for the housing and high-strength parts for the pistons and valves to endure high-pressure cycles.
The compressor’s performance is essential; with out adequate stress, correct readings are unimaginable. The compressor’s output is essential, instantly affecting the stress utilized to the coolant system.
Stress Gauge
The stress gauge is the very important hyperlink between the system’s stress and the person’s understanding. It is a calibrated instrument that visually shows the stress exerted on the coolant system. The gauge is usually comprised of sturdy supplies like aluminum or brass, housed inside a protecting casing. The accuracy of the gauge instantly impacts the reliability of the stress readings, which is why high-quality parts are important.
A correctly functioning stress gauge gives a direct, seen illustration of the stress throughout the coolant system. The gauge’s design and development considerably have an effect on its response time and accuracy, that are essential for exact measurements.
Coupling and Fittings, Air powered coolant stress tester
The coupling and fittings are the connectors of the system, enabling seamless connections between the air compressor, stress gauge, and the coolant system. These essential parts are sometimes fabricated from corrosion-resistant supplies like chrome steel, guaranteeing longevity and stopping leaks. Their significance lies in sustaining a safe and hermetic connection all through the testing course of. Correctly sized and put in couplings and fittings are paramount for correct stress readings and system integrity.
Coolant System Port Adapter
A specialised adapter is designed to securely join the tester to the coolant system. It is a essential element, permitting secure and efficient stress testing. The adapter’s development ensures a leak-proof seal, stopping coolant loss in the course of the testing process. Supplies reminiscent of high-grade plastics or metals with distinctive sealing properties are used. The adapter’s precision match to the coolant system ports is crucial to keep away from inaccurate readings or potential harm.
Diagram of Inside Elements
[Imagine a detailed, labeled diagram here. It would show the compressor, pressure gauge, coolant system port adapter, and the tubing connecting them. Each component would be clearly identified and labeled.]The diagram would visually illustrate the movement of air from the compressor, by means of the system, and in the end to the coolant system. This would offer a complete overview of the tester’s inside structure.
Illustrative Examples
Air-powered coolant stress testers are invaluable instruments for sustaining and troubleshooting numerous cooling methods. Correct stress readings can reveal potential points early, stopping pricey repairs and guaranteeing optimum system efficiency. Let’s discover some real-world purposes and the insights they supply.
Actual-World Functions
These testers are very important throughout a spectrum of purposes. From automotive restore outlets to industrial amenities, the tester aids in fast and correct diagnoses. They’re notably helpful in diagnosing leaks in intricate cooling methods, like these present in massive industrial equipment. The portability of many fashions makes them perfect for subject service, saving money and time for on-site upkeep.
Testing Completely different Coolant Techniques
Coolant methods differ considerably in design and complexity. A exact understanding of the system’s design is essential for correct testing. For example, a automobile’s radiator system differs enormously from a fancy industrial warmth exchanger. The tester’s working procedures must be tailored accordingly. Completely different methods could require various pressures and tolerances.
At all times seek the advice of the producer’s specs for the precise system being examined.
Deciphering Stress Readings
Stress readings are essential indicators of system well being. A constant studying signifies a correctly functioning system. A sudden drop suggests a leak, whereas an abnormally excessive stress may sign a blockage. Cautious statement and evaluation of stress fluctuations are very important. For instance, a gradual stress studying of 15 PSI in a typical automobile radiator system signifies a wholesome system.
Knowledgeable Choices Based mostly on Information
The stress readings, coupled with visible inspections, present a complete understanding of the coolant system’s situation. A stress drop, as an illustration, may result in a direct seek for leaks. An elevated stress may recommend a necessity for a blockage evaluation. Armed with the info, you may make sound judgments, minimizing downtime and maximizing effectivity.
Information Evaluation Examples
As an example you are testing a truck’s cooling system. If the stress studying drops considerably, you’d suspect a leak. Additional investigation may contain checking hose connections, radiator caps, and growth tanks. If the stress stays excessive, the trigger is perhaps a blockage within the system, demanding an intensive inspection.
Stress Studying Implications (Illustrative Desk)
| Stress Studying (PSI) | Potential Implications | Motion |
|---|---|---|
| 15 (Steady) | Wholesome system | No rapid motion |
| 10 (Dropping) | Attainable leak | Find and restore the leak |
| 25 (Excessive) | Attainable blockage | Examine for blockages, clear system |
| 0 (Zero) | Important leak, system evacuated | Rapid leak restore |
