Fanuc Robot Maintenance Manual PDF – Your Guide

Fanuc robotic upkeep handbook PDF – your important information to preserving your industrial robots working easily and safely. This complete useful resource gives an in depth look into the world of Fanuc robotic upkeep, from the basics to superior troubleshooting. Discover ways to forestall expensive downtime and maximize your robotic’s lifespan by means of proactive upkeep methods.

Dive into the intricacies of Fanuc robotic upkeep, exploring every thing from preventive measures and part care to troubleshooting frequent points and safely navigating upkeep procedures. This handbook is not only a assortment of details; it is a roadmap to robotic longevity and operational excellence.

Table of Contents

Introduction to Fanuc Robotic Upkeep

Fanuc robot maintenance manual pdf

Retaining Fanuc robots in tip-top form is essential for any industrial operation. Clean, dependable robotic efficiency interprets on to greater productiveness, lowered downtime, and in the end, better profitability. Correct upkeep is not only a good apply; it is a strategic funding within the long-term success of your facility.Adherence to manufacturer-recommended upkeep procedures is paramount. These procedures are meticulously designed to make sure optimum robotic efficiency and longevity.

Following these tips is essential to sustaining the robotic’s guarantee and stopping expensive repairs down the street. Deviation from these procedures can void warranties and result in unexpected, and infrequently costlier, points.Proactive upkeep, addressing potential issues earlier than they come up, is considerably more practical and cost-efficient than reactive upkeep, which tackles points solely after they manifest. Predicting and stopping failures is the cornerstone of a profitable upkeep program.

This strategy not solely minimizes downtime but in addition reduces the danger of significant gear injury.

Significance of Producer-Advisable Procedures

Following the producer’s tips is important for a number of causes. First, it ensures that the robotic operates inside its designed parameters, maximizing its lifespan and efficiency. Second, it ensures that any potential guarantee points are prevented. Third, following the proper procedures is significant for sustaining security requirements, defending personnel, and stopping accidents. These procedures, usually detailed within the robotic’s upkeep handbook, are primarily based on years of expertise and testing, making certain that the upkeep is efficient and secure.

Sorts of Upkeep Duties

Fanuc robotic upkeep encompasses a broad spectrum of duties, starting from routine checks to extra complicated repairs. These duties are very important for sustaining the robotic’s performance and stopping potential failures. The objective is all the time to maintain the robotic working effectively and safely, stopping expensive downtime.

  • Routine Checks: Common visible inspections, lubrication, and calibration checks are essential for stopping minor points from escalating into main issues. These checks, usually a part of a scheduled upkeep program, are the inspiration of a proactive upkeep technique. They assist detect put on and tear early on.
  • Part Replacements: Over time, sure robotic parts, akin to bearings or sensors, might require substitute. Correct part substitute is essential for continued optimum efficiency and prevents potential malfunctions.
  • Software program Updates: Retaining the robotic’s management software program up-to-date is significant. These updates usually comprise essential bug fixes, efficiency enhancements, and new options, making certain the robotic stays on the chopping fringe of know-how. They will additionally deal with security issues.

Totally different Sorts of Robotic Upkeep

Totally different upkeep methods cater to numerous wants and conditions. Choosing the proper technique is dependent upon the particular circumstances and the potential for issues.

Kind of Upkeep Description Instance
Preventive Upkeep Scheduled upkeep duties carried out to forestall potential failures. Common lubrication, part inspections, and software program updates.
Corrective Upkeep Upkeep carried out to repair an issue that has already occurred. Changing a defective motor, addressing a software program error.
Predictive Upkeep Upkeep technique that makes use of knowledge evaluation to foretell potential failures. Monitoring vibration ranges to detect early indicators of bearing put on, analyzing sensor knowledge to foretell part failure.

Understanding the Construction of a Fanuc Robotic Upkeep Handbook

Fanuc robotic upkeep manuals are your trusty guides to preserving these precision machines working easily. They don’t seem to be only a assortment of technical jargon; they’re your roadmap to environment friendly upkeep and problem-solving. Navigating these manuals successfully is essential for stopping downtime and maximizing the lifespan of your robotic funding.These manuals are meticulously organized to streamline your upkeep duties, from easy checks to complicated repairs.

They’re structured in a means that empowers you to know the internal workings of the robotic and carry out upkeep procedures with confidence. This construction ensures a constant strategy to repairs, whatever the particular mannequin.

Key Sections in a Fanuc Robotic Upkeep Handbook

Fanuc upkeep manuals are sometimes structured round key sections, every designed to deal with a particular side of robotic upkeep. These sections are essential for environment friendly troubleshooting and preventative upkeep.

  • Security Procedures: This part is paramount. It Artikels the essential security precautions and warnings to stick to throughout any upkeep process. Understanding these procedures prevents accidents and ensures the well-being of personnel working with the robotic. Adherence to security procedures is non-negotiable for secure operation.
  • Troubleshooting Guides: These sections act as diagnostic instruments, guiding you thru frequent points and their corresponding options. Clear step-by-step directions, together with accompanying diagrams, assist in figuring out and resolving issues shortly and successfully. Detailed troubleshooting ensures that you simply’re outfitted to sort out issues proactively.
  • Spare Components Lists: This part gives a complete checklist of spare elements wanted for repairs or replacements. The handbook often contains half numbers, descriptions, and infrequently, diagrams for straightforward identification. This important part minimizes downtime by making certain the proper substitute elements are available.
  • Operation and Upkeep Directions: This part particulars the robotic’s operational procedures and needed upkeep duties. It covers day by day checks, lubrication schedules, and different preventative upkeep necessities to maintain the robotic working optimally. This part ensures constant and thorough repairs.

Position of Diagrams, Illustrations, and Schematics

Visible aids are integral to a Fanuc robotic upkeep handbook. Diagrams, illustrations, and schematics play a essential position in understanding the robotic’s inside parts and their interrelationships.

  • Detailed Part Diagrams: These diagrams present clear visualizations of the robotic’s inside parts, facilitating the identification of particular elements throughout upkeep. Exact labeling and clear layouts are important to understanding the robotic’s construction.
  • Wiring Diagrams: These visible representations enable you hint electrical connections and determine potential wiring points. Clear labeling and correct representations are essential for troubleshooting electrical issues.
  • Upkeep Process Illustrations: Illustrations information you thru the steps of particular upkeep procedures, making certain correct execution and minimizing the danger of errors. These illustrations function visible guides for executing upkeep procedures accurately.

Desk: Typical Sections and Web page Layouts

This desk showcases a typical construction for numerous upkeep procedures, highlighting the significance of clear layouts and constant data presentation.

Upkeep Process Typical Web page Format
Each day Checks Easy guidelines format with area for notes, highlighting essential parts and related readings.
Lubrication Step-by-step directions with corresponding diagrams of lubrication factors and procedures.
Troubleshooting: Joint Error Detailed troubleshooting circulation chart resulting in options, with potential causes and cures clearly Artikeld.

Comparability of Totally different Fanuc Robotic Fashions

Whereas the basic construction stays constant throughout completely different Fanuc robotic fashions, some variations exist. For example, newer fashions would possibly incorporate extra superior diagnostics and troubleshooting guides, that are built-in into the upkeep handbook. The precise give attention to upkeep procedures and the extent of element might range relying on the robotic’s complexity.

Key Parts and Methods of a Fanuc Robotic

Fanuc robots, precision workhorses of the commercial world, are intricate machines constructed from numerous interacting parts. Understanding these parts and their features is essential for efficient upkeep and optimum efficiency. Correct upkeep interprets to much less downtime, greater productiveness, and in the end, a better return on funding.The guts of a Fanuc robotic lies in its meticulously designed structure, the place every part performs a significant position within the total performance.

From the highly effective actuators that transfer the robotic’s arms to the subtle management models that dictate its actions, each half works in concord to execute duties with accuracy and pace. Figuring out potential points early and addressing them promptly is essential to sustaining this intricate stability.

Actuators

Actuators are the muscle tissues of the robotic, offering the drive wanted for motion. These usually embody electrical motors, hydraulic cylinders, or pneumatic actuators, every with distinctive traits and upkeep necessities. The choice of the actuator kind is dependent upon the particular utility and the required drive and pace. Correct lubrication, common inspection for put on, and well timed substitute of broken elements are essential for sustaining actuator effectivity.

  • Electrical motors require common inspection for overheating and correct lubrication of bearings.
  • Hydraulic cylinders demand periodic checks for leaks and correct fluid ranges.
  • Pneumatic actuators want constant monitoring of air stress and the integrity of the air traces.

Management Items

The management unit is the mind of the robotic, accountable for receiving directions, processing knowledge, and coordinating the actions of varied parts. These models are complicated techniques, containing programmable logic controllers (PLCs) and complicated digital circuitry. Troubleshooting management unit points usually requires specialised data and diagnostic instruments.

  • Common software program updates and firmware revisions are important to make sure compatibility and forestall operational errors.
  • Correct grounding and electrical security measures are essential to forestall malfunctions and hazards.
  • Monitoring the management unit’s temperature and checking for any uncommon noises are very important preventive upkeep steps.

Sensors

Sensors present the robotic with details about its atmosphere and place. This data permits the robotic to make knowledgeable selections and alter its actions accordingly. Numerous sensor sorts are used, together with proximity sensors, laser scanners, and imaginative and prescient techniques.

  • Common calibration and verification of sensor readings are important to make sure accuracy.
  • Cleansing sensor surfaces to take away mud and particles is a key preventative upkeep process.
  • Inspecting cables and connections for injury or put on is essential for dependable sensor operation.

Upkeep Desk: Typical Parts and Wants

Part Upkeep Wants
Actuators (Electrical Motors) Lubrication, overheating checks, bearing inspections
Actuators (Hydraulic Cylinders) Leak checks, fluid degree checks, part inspections
Actuators (Pneumatic Actuators) Air stress monitoring, air line integrity checks
Management Items Software program updates, grounding checks, temperature monitoring
Sensors Calibration, cleansing, cable/connection inspections

Sensor Varieties and Upkeep

Sensor Kind Upkeep Procedures
Proximity Sensors Cleansing, checking for interference, calibration
Laser Scanners Cleansing lens, checking alignment, calibration
Imaginative and prescient Methods Cleansing lenses, checking picture high quality, software program updates

Preventive Upkeep Procedures: Fanuc Robotic Upkeep Handbook Pdf

Retaining your Fanuc robotic in tip-top form is not nearly avoiding breakdowns; it is about maximizing its lifespan and making certain easy, constant efficiency. Common preventive upkeep is your secret weapon on this battle towards robotic malfunctions. It is a proactive strategy, not a reactive one, permitting you to deal with potential points earlier than they change into main issues.Preventive upkeep is not simply a good suggestion; it is a sensible funding.

By performing common checks and changes, you possibly can dramatically cut back downtime, decrease expensive repairs, and in the end prolong the operational lifetime of your robotic. Consider it as a well-oiled machine – it runs smoother, lasts longer, and requires much less intervention.

Robotic Joint Lubrication

Correct lubrication is essential for easy robotic operation and prolonged lifespan. Ignoring lubrication results in elevated friction, accelerated put on, and potential injury to essential parts. This can lead to expensive repairs and surprising downtime. Sustaining the proper lubrication ranges is a key a part of preventive upkeep.

  • Examine lubrication factors commonly, sometimes each 500 working hours or as really useful by the producer. Test the grease consistency and degree in every joint. Search for any indicators of leakage or contamination.
  • Exchange grease in response to producer specs. Utilizing the proper kind of grease is important. Incorrect grease can result in part injury and failure.
  • Apply lubrication to all shifting elements, together with gears, bearings, and shafts, making certain every half receives an ample quantity of grease.
  • Clear and examine lubrication fittings for any obstructions or injury. If any points are discovered, promptly deal with them to keep away from extra severe issues.

Cleansing and Inspection of Robotic Parts

Common cleansing and inspection are important to take care of the robotic’s performance and security. Accumulation of particles, mud, and different contaminants can have an effect on efficiency and result in severe malfunctions.

  1. Robotic Physique: Clear the robotic’s exterior utilizing compressed air to take away mud, particles, and different contaminants. Keep away from utilizing harsh chemical compounds or solvents that might injury the robotic’s end.
  2. Management Panel: Hold the management panel clear and freed from particles. Wipe down the panel commonly with a gentle, lint-free fabric.
  3. Sensors: Examine the robotic’s sensors for any injury or obstruction. Guarantee they’re clear and unobstructed to take care of correct operation.
  4. Electrical Connections: Test for any indicators of corrosion or injury to electrical connections. Tighten free connections to forestall quick circuits and guarantee optimum efficiency.
  5. Grippers: Clear the grippers, making certain they’re freed from particles that may intrude with their perform. Examine the gripping mechanism for put on and tear.

Frequency of Preventive Upkeep Duties

The frequency of preventive upkeep duties is dependent upon a number of elements, together with the robotic’s utilization, the working atmosphere, and the producer’s suggestions. A essential issue is the working hours of the robotic. Contemplate establishing a schedule that aligns together with your particular wants and atmosphere.

Part Frequency (Approximate)
Lubrication Each 500 working hours or as really useful
Cleansing (Exterior) Weekly or bi-weekly
Cleansing (Inside) Month-to-month or as wanted
Sensor Inspection Month-to-month or bi-monthly
Electrical Connection Inspection Month-to-month

Troubleshooting and Error Codes

Unexpected glitches can occur with any robotic, even essentially the most subtle Fanuc fashions. This part equips you with the instruments to diagnose and resolve points swiftly, making certain your robotic stays a dependable workhorse. Understanding error codes and troubleshooting procedures is essential for environment friendly upkeep and stopping expensive downtime.Error codes are like a robotic’s secret language, offering clues to the supply of an issue.

Studying how one can decipher these codes and comply with applicable troubleshooting steps can prevent useful time and sources. A scientific strategy to identification and determination is important to sustaining operational effectivity.

Deciphering Error Codes

Error codes, displayed on the robotic’s management panel, are very important for pinpointing the basis explanation for malfunctions. These codes sometimes comply with a standardized format, aiding in speedy analysis. A structured strategy to decoding the code and subsequent troubleshooting is essential to environment friendly upkeep.

  • Step one is recognizing the particular error code. Totally different codes characterize distinct points, from minor changes to extra severe issues. Every code signifies a particular part or system inside the robotic that is malfunctioning. Cautious examination of the error code is step one to figuring out the character of the problem.
  • As soon as the code is recognized, discuss with the great troubleshooting information supplied within the robotic’s handbook. This information particulars potential causes and corresponding corrective actions for numerous error codes.
  • An in depth clarification of the code, together with attainable causes and the steps required to resolve the issue, is supplied within the handbook.

Troubleshooting Procedures

Efficient troubleshooting requires a methodical strategy. Following these procedures ensures that you simply deal with the issue accurately and effectively, stopping pointless downtime. Cautious consideration of every step is significant for profitable troubleshooting.

  • First, make sure that the robotic is powered off and safely remoted to forestall any accidents.
  • Subsequent, examine the facility provide and connections. Confirm that each one cables are securely linked, and the facility provide is functioning accurately.
  • If energy provide and connections are passable, assessment the robotic’s operational parameters, making certain they align with the established requirements. This contains checking the programming, configuration, and different settings.
  • Completely examine the robotic’s mechanical parts, looking for any apparent injury or misalignment.
  • Lastly, if the problem persists, seek the advice of the robotic’s technical assist documentation or contact a professional technician for knowledgeable steering. This step ensures that the problem is addressed accurately, minimizing the opportunity of additional injury or issues.

Typical Error Codes and Options

The next desk gives a concise overview of frequent error codes and their related options. This desk will help in swiftly figuring out the reason for the issue and implementing the proper answer.

Error Code Description Answer
E123 Joint restrict exceeded Alter the joint parameters in this system. Confirm the robotic’s mechanical parts for any obstructions or malfunctions.
E456 Communication error with the controller Test the community cables and connections. Make sure the controller is functioning accurately.
E789 Sudden energy surge Examine the facility provide and associated wiring. Guarantee the facility supply is secure.

Troubleshooting Eventualities

Troubleshooting extends past merely referencing error codes. Contemplate real-world situations to develop a extra sensible understanding.

  • Situation 1: Robotic arm refuses to maneuver in a particular axis. Test the axis motor, its connections, and the management indicators. Confirm this system for any errors or limitations associated to the motion.
  • Situation 2: Robotic experiences frequent communication failures. Confirm the community connections and make sure the controller is correctly configured. Study the cables and connectors for any injury.

Security Procedures and Precautions

Defending your self and others is paramount when working with Fanuc robots. These machines, whereas exact and highly effective, could be hazardous if not dealt with with the utmost care. Understanding the potential dangers and implementing applicable security procedures are essential for a secure and productive work atmosphere.Secure operation and upkeep aren’t nearly following guidelines; they’re about fostering a tradition of security consciousness.

Each particular person concerned, from the technician to the operator, performs a significant position in stopping accidents and sustaining a safe workspace. By proactively addressing potential hazards and diligently adhering to security protocols, we decrease dangers and maximize the reliability of our robotic techniques.

Vital Security Procedures

Correct security procedures are the bedrock of secure robotic upkeep. They set up a framework for accountable actions, minimizing the probability of accidents and accidents. Following these procedures safeguards each the operator and the robotic itself.

  • All the time disconnect the facility provide to the robotic earlier than performing any upkeep or changes. This basic step prevents electrical shocks and potential injury.
  • Lockout/Tagout procedures are important for stopping unintended robotic activation throughout upkeep. These procedures make sure the robotic is in a secure, non-operational state, stopping surprising motion.
  • Make sure the robotic’s work space is evident of obstructions and personnel. This prevents unintentional contact with the robotic’s shifting elements, which might trigger severe accidents.
  • Use applicable private protecting gear (PPE) to guard your self from potential hazards. It is a essential factor of sustaining security.

Significance of Private Protecting Gear (PPE), Fanuc robotic upkeep handbook pdf

PPE is an important part of any security program. It serves as a barrier towards potential hazards and gives an extra layer of safety for the person working with the robotic.

  • Security glasses or goggles shield the eyes from flying particles or sparks.
  • Gloves present safety for palms and arms from sharp edges or potential contact with hazardous supplies.
  • Listening to safety is important in noisy environments, defending the ears from doubtlessly damaging noise ranges.
  • Footwear that gives ample assist and safety is essential, particularly when working in areas with potential slips or falls.

Potential Hazards Related to Robotic Upkeep

Understanding the potential hazards related to robotic upkeep is essential for growing efficient security procedures. This information permits for proactive measures to mitigate dangers and guarantee a secure working atmosphere.

  • Transferring elements are a major hazard. Robotic arms and different shifting parts could cause severe accidents if not dealt with fastidiously.
  • Electrical hazards are a priority. Excessive voltage and present could cause electrical shocks if security procedures aren’t adopted.
  • Mechanical stress on the robotic system throughout upkeep could cause malfunctions if not addressed accurately.
  • Chemical hazards could also be current in some environments, requiring particular security precautions.

Security Procedures and PPE Necessities

A complete security strategy requires a transparent understanding of security procedures and the mandatory PPE. The next desk summarizes these necessities.

Security Process Required PPE
Energy disconnection Security glasses, gloves
Lockout/Tagout Security glasses, gloves, security vest
Work space clearance Security glasses, exhausting hat
Dealing with shifting elements Security glasses, gloves, security sneakers

Secure Robotic Upkeep Procedures Flowchart

A flowchart illustrates the sequential steps for secure robotic upkeep. Following this flowchart ensures a scientific strategy to security.

A visible illustration of the steps ensures correct procedures are adopted, mitigating dangers and stopping accidents.

(A flowchart, though not displayed right here, would visually depict the steps from energy disconnection to ultimate checks, highlighting every security precaution.)

Instruments and Gear Required for Upkeep

Sustaining a Fanuc robotic requires a well-stocked toolbox and a eager understanding of every instrument’s perform. Correct instrument choice and utilization are paramount to making sure environment friendly and secure upkeep procedures, stopping potential injury to the robotic and maximizing its lifespan. A well-maintained toolkit permits technicians to deal with points promptly and successfully, minimizing downtime and maximizing productiveness.

Important Instruments and Gear

The elemental instruments for Fanuc robotic upkeep embody a wide selection of things, every with a particular objective. These instruments vary from primary hand instruments to specialised diagnostic gear. A complete set of instruments ensures the technician has the mandatory devices for any upkeep process, from easy lubrication to complicated repairs. A technician ought to be proficient in utilizing every instrument and perceive its limitations.

Hand Instruments

A strong assortment of hand instruments is important for numerous upkeep duties. These instruments are essential for disassembling, assembling, and adjusting parts. A talented technician will be capable to leverage the exact actions and torque attainable with hand instruments. A well-organized toolbox is essential for fast entry to those instruments throughout upkeep procedures.

  • Screwdrivers (numerous sorts and sizes): Important for disassembling and assembling parts. Various kinds of screwdrivers are essential for dealing with various kinds of screws. Precision screwdrivers are very important for delicate parts.
  • Wrenches (numerous sizes and kinds): Used for tightening and loosening nuts and bolts, usually needed for securing parts.
  • Pliers (numerous sorts): Used for gripping and manipulating elements, together with delicate parts and wires.
  • Hammers (numerous sorts and sizes): Used for light tapping and eradicating parts. Security glasses ought to be worn to forestall harm.
  • Sockets and ratchets: For engaged on fasteners and joints, offering exact torque management.

Specialised Instruments

Past primary hand instruments, specialised gear is required for extra intricate upkeep duties. These specialised instruments usually improve precision, pace, and security in performing numerous upkeep duties. These instruments usually want particular coaching and data to function accurately.

  • Torque wrenches: Important for tightening fasteners with the exact torque required, stopping injury to parts. Incorrect torque can result in injury and failure. Correct torque is significant for the right operation of the robotic.
  • Calibration instruments: For verifying the accuracy of measuring devices, making certain the accuracy of upkeep procedures.
  • Lubrication gear: For making use of lubricants to shifting elements, preserving the robotic working easily and stopping put on and tear.
  • Multimeter: Important for checking electrical circuits and diagnosing electrical issues. A multimeter can be utilized to measure voltage, present, and resistance.

Upkeep Process Particular Instruments

The precise instruments required rely closely on the character of the upkeep process. This detailed breakdown aids in environment friendly instrument choice and prevents pointless delays. This checklist gives a place to begin, but it surely’s vital to tailor the instrument checklist to the particular upkeep procedures being carried out.

Upkeep Process Important Instruments
Lubrication Grease gun, lubricant, cleansing cloths
Cleansing Compressed air, cleansing cloths, brushes
Wiring restore Wire strippers, crimpers, multimeter, wire connectors

Calibration and Upkeep of Instruments

Common calibration of instruments is essential for correct measurements and efficient upkeep. Inaccurate instruments can result in errors within the upkeep course of, impacting the robotic’s efficiency. This contains verifying the accuracy of instruments earlier than utilizing them and understanding the constraints of the instruments used.

Calibration ensures constant and correct upkeep procedures, resulting in improved robotic efficiency.

Spare Components and Ordering Info

Retaining your Fanuc robotic working easily depends closely on having the correct elements available when wanted. This part particulars the method of ordering these important parts, making certain you are well-equipped for any upkeep or restore scenario. Environment friendly half ordering interprets to minimal downtime and most productiveness.

Ordering Spare Components

The method for ordering spare elements for a Fanuc robotic sometimes includes referencing the detailed half numbers discovered within the robotic’s documentation. This data will information you thru the steps to accumulate the mandatory replacements. Exact identification of the required half is essential for making certain compatibility and profitable set up.

Frequent Spare Components and Half Numbers

A well-organized stock of frequent spare elements is important for environment friendly upkeep. The desk beneath gives a snapshot of some continuously wanted parts and their corresponding half numbers. All the time double-check the half numbers within the official Fanuc documentation for accuracy.

Spare Half Half Quantity
Robotic Arm Joint Bearing FRB-1234
Management Panel Module CPM-5678
Energy Provide Unit PSU-9012
Gripper Meeting GRA-3456
Security Interlock Change SIS-7890

Correct Half Identification

Correct half identification is paramount. Incorrect half numbers can result in compatibility points, set up issues, and doubtlessly injury to the robotic. Mismatched elements can compromise the robotic’s performance and security, rising downtime and upkeep prices. Referencing the unique gear documentation is important for correct identification.

Finding Particular Spare Components within the Handbook

The Fanuc robotic upkeep handbook is meticulously organized. Finding particular spare elements includes utilizing the great index, detailed diagrams, and half lists. Rigorously assessment the index to pinpoint the precise location of the data for the half you want. Utilizing the illustrations and accompanying textual content will improve understanding and accuracy. This strategy minimizes errors and ensures you purchase the correct half.

Checking Substitute Half Compatibility

Making certain compatibility between the substitute half and the prevailing robotic system is essential. Cross-referencing the half quantity with the robotic’s specs and the unique gear documentation is important to confirm compatibility. This step avoids potential points with set up and performance. A radical examine will prevent effort and time.

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