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Mr. Deepak Sahoo
    Consultant
•To PREVENT EQUIPMENT DETERIORATION
•TO MAINTAIN EQUIPMENT IN OPTIMAL CONDTION

•TO ESTABLISH BASIC EQUIPMENT CONDITION
•TO ELIMINATE EQUIPMENT FAILURE

•TO MAKE OPERATOR EQUIPMENT COMPETENT

•TO ELIMINATE Quality Defects

•TO ELIMINATE COST LOSSES

                                          Mr. Deepak Sahoo
                                              Consultant
EQUIPMENT DETERIORATION


Natural Deterioration Accelerated Deterioration
   Extend Life Time         Eliminate Causes

Corrective Maintenance     Establish Basic Condition
• Prevent errors by        • Cleaning : Eliminate
  improving operability      all dust & Dirt
•Improve Maintainability   • Lubricating : Keep
 & Repair Quality            lubricants clean and
• Improve safety             replenished
 & Reliability             • Tightening : Keep nuts
                              & bolts secure
                                               Mr. Deepak Sahoo
                                                   Consultant
Mr. Deepak Sahoo
    Consultant
PREVENTIVE MEDICINE FOR EQUIPMENT =
                       PREVENTIVE MAINTENANCE

                                        Preventive
                                         Medicine



                                           Health
             Daily                                                  Early
                                          checkup
           Prevention                                            treatment
                                         (Diagnosis)


Prevents                     Measures                  Repair
deterioration                deterioration             deterioration
       Daily maintenance                                      Make preventive
                                         Inspection
        (lubricate, clean,                                    repairs (advance
                                        (Diagnosis)
          adjust, inspect                                       replacement)


                                      Preventive
                                     Maintenance                       Mr. Deepak Sahoo
                                                                           Consultant
CLASSIFICATION OF MAINTENANCE ACTIVITIES
                                                       Normal operation

                                                       Daily maintenance
                Maintain            Preventive
                                    maintenance        Periodical maintenance
               preventing &                            Predictive maintenance
               repairing failure
                                    Breakdown maintenance
Maintenance
activities
                                    Corrective maintenance
                                         Improvement of maintainability
                                          Improvement of reliability
                 Improve
         Prolong equipment life
         Eliminate maintenance      Maintenance prevention
         Reduce maintenance hours         Design which does not need maintenance


                                                                       Mr. Deepak Sahoo
                                                                           Consultant
CLASSIFICATION OF DEFECTS
         Physical latent defects                   Psychological latent defects

The defects which are left unattended       Defects which are left unnoticed due to
since they are not physically exposed to    insufficient knowledge and education of
naked eyes                                  operators or maintenance people

1. Defects which can not be visually        1. Operator or maintenance man’s
observed unless the equipment is            indifference
dismantled


2. Defects which can not be visually        2. Operator or maintenance man is not well
noticed due to improper installation        familiarized with types of defects
location of equipment


3. Defects which are likely to be ignored   3. Operator or maintenance man’s ignorance
since they are covered with dust or they    based on their own judgment
are heavily soiled
                                                                           Mr. Deepak Sahoo
                                                                               Consultant
1.MINOR FLAWS
2. UNFULFILLED BASIC CONDITIONS
3. INACCESSABLE PLACES
4. CONTEMINATION SOURCES
5. QUALITY DEFECT SOURCES
6. UNNECCERY AND NON-URGENT ITEMS
7. UNSAFE PLACES
                                  Mr. Deepak Sahoo
                                      Consultant
1.MINOR FLAWS :
 Contamination Dust, Dirt, powder, oil, grease, rust, paint
 Damage        Cracking, crushing, deformation, chipping,
               bending,
 Play          Shaking, falling out, tilting, eccentricity, wear,
               distortion, corrosion,
 Slackness     Belts, Chains
 Abnormal        Unusual noise, overheating, Vibration, strange
 Phenomenon      smells, discoloration, incorrect pressure or
                 current
 Adhesion        Blocking, hardening, accumulation of debris,
                 peeling, malfunction
                                                        Mr. Deepak Sahoo
                                                            Consultant
2. UNFULFILLED BASIC CONDITIONS
Lubrication        Insufficient, Dirty, Unidentified, unsuitable,
                   Leaking
Lubrication        Dirty, damaged or deformed lubricant inlets,
Supply             faulty lubricant pipes
Oil level gauges   Dirty, Damaged, leaking, No indication of
                   correct level
Tightening         Nuts and Bolts slackness, Missing, Cross-
                   threaded, Too long, Crushed, Corroded,
                   Unsuitable washers, wing nuts on backward


                                                        Mr. Deepak Sahoo
                                                            Consultant
3. INACCESSABLE PLACES
Cleaning     Machine construction, Covers, Layout, footholds,
             Space
Checking     Construction,    Covers,   Layout,    footholds,
             Instrument position and Orientation, Operating –
             Range display
Lubricating Position of lubricant inlet, construction, height,
            footholds, lubricant outlets, space
Tightening   Covers, Construction, Layout size, Space
Operation    Machine layout, Position of valves, Switches and
             leavers, Footholds
Adjustment Position of pressure gauges, thermometers, flow
           meters, moisture gauges, vacuum gauges, etc.
                                                        Mr. Deepak Sahoo
                                                            Consultant
4. CONTEMINATION SOURCES
Product         Leaks, Spills, Spurts, Scattering, Overflow
Raw materials   Leaks, Spills, Spurts, Scattering, Overflow
Lubricants      Leaking, Spills, Seeping oils, Hydraulic fluids,
                Fuel oils, etc.
Gases           Leaking compressed air, gases, steam, vapors,
                exhaust fumes, etc.
Liquids         Leaking water, Hot, Cold, half finished
                products, Waste water, Leaking supply lines etc.
Scrap           Flashes, cuttings, packaging materials, and non
                conforming products.
Others          Contaminants by people & Forklifts, Infiltration
                through cracked walls, broken windows etc.
                                                        Mr. Deepak Sahoo
                                                            Consultant
5. QUALITY DEFECT SOURCES

Foreign Matter Dust, Rust, powder, chips, moisture, wire
               scraps, wood pieces, paper pieces, stones etc.
Shock           Dropping, Jolting, collision, Vibration etc.
Moisture        Too little or Too much, infiltration
Gain Size       Abnormalities in screens, Compressed air
                separators, centrifugal separators,
Concentration   Inadequate warming, heating, compounding,
                mixing, evaporation, stirring etc.
Viscosity       Inadequate warming, heating, compounding,
                mixing, evaporation, stirring etc.

                                                         Mr. Deepak Sahoo
                                                             Consultant
6. UNNECCERY AND NON-URGENT ITEMS
Machinery          Pumps, fans, compressors, columns, tanks etc.
Piping equipment Pipes, hoses, ducts, valves, dampers etc.
Measuring        Temperatures, pressure gauges, vacuum
instruments      gauges, ammeters etc.
Electrical         Wiring, piping, power leads, switches, plugs
equipment          etc.
Jigs & Tools       General tools, cutting tools, jigs, molds, dies,
                   frames etc.
Spare parts        Standby equipment, spares, permanent stocks,
                   auxiliary materials, etc.
Makeshift repairs Tape. String, wire, metal plates etc.

                                                          Mr. Deepak Sahoo
                                                              Consultant
7. UNSAFE PLACES
Floors      Unevenness, cracked, holes, projections, peeling,
            wear of steel chucker plates, slipping.
Steps       Too steep, irregular, slipping, missing handrails, etc.
Lights      Dim, out of position, dirty or broken covers, no
            explosion proofing, etc.
Rotating    Displaced, fallen oil or broken covers, not safe for
machinery   emergency, missing emergency stop devices
Lifting     Wires, hooks, brakes and other parts of cranes and
Devices     hoists etc.
Others      Special substances, solvents, toxic gases, insulating
            materials, danger signs, protective clothing etc.
                                                           Mr. Deepak Sahoo
                                                               Consultant
7 Steps of Autonomous Maintenance

           Autonomous Management


         Standardization


       Autonomous Inspection


     General Inspection


   Preparing Tentative Cleaning, Lubrication, Inspection & Retightening Stds.


  Countermeasures against Sources of contamination & Hard to Access areas


Initial thorough Cleaning


 Preparation                                                                Mr. Deepak Sahoo
                                                                                Consultant
Z
E   • PREPARE A CLEANING & LUBRICATION MAP
R   • ARRANGE TOOLS
O   • ARRANGE RED & WHITE TAGS
S   • HISTROY OF FAILURES
T   • TRAINING ON 7 STEPS OF JISHU HOZEN
E   • TRAINING ON 7 TYPES OF ABNORMALITIES
P


                                           Mr. Deepak Sahoo
                                               Consultant
• CLEANING IS INSPECTION

• USE 5 SENSES FOR CLEANING

• FIND OUT 7 TYPE OF ABNORMALITIES

• PUT TAGS ON ABNORMALITIES

• PREPARE LIST OF UNFULFILLED BASIC
  CONDITIONS
                                 Mr. Deepak Sahoo
                                     Consultant
White tags for operators          Red Tags to be attended by Maint.



 Equipment Name ………………                  Equipment Name ………………

 Control No……………………..                   Control No……………………..

 Date of detection……………….               Date of detection……………….

 Detected by……………………..                  Detected by……………………..

   Description of Minor defects           Description of Minor defects

 ………………………………….                         ………………………………….

 …………………………………..                        …………………………………..

 ………………………………….                         ………………………………….




                                                                   Mr. Deepak Sahoo
                                                                       Consultant
• MAKE THE LIST OF
• HARD TO CLEAN,
• HARD TO LUBRICATE,
• HARD TO TIGHTEN,              Areas / Parts
• HARD TO INSPECT,
• HARD TO ADJUST
•RECORD CLEANING TIME
• CARRY OUT AUDIT ON 1ST STEP
• MEETING AFTER THE DAILY ACTIVITIES
• REFER TO THE OLD HISTORY RECORDS

                                         Mr. Deepak Sahoo
                                             Consultant
Mr. Deepak Sahoo
    Consultant
Mr. Deepak Sahoo
    Consultant
Mr. Deepak Sahoo
    Consultant
EXAMPLE OF ABNORMALITY
   ( LOOSE FITTINGS )




                         Mr. Deepak Sahoo
                             Consultant
EXAMPLE OF ABNORMALITY
     ( LEAKAGES )




                         Mr. Deepak Sahoo
                             Consultant
RELAY
TRAINING




Mr. Deepak Sahoo
    Consultant
Purpose of Step-2
Eliminate sources of Contamination
To improve places where it is difficult to access for cleaning, lubrication,
inspection
Improved maintainability of Equipment
Enable Learning in tackling Equipment Kaizen




                                                                        Mr. Deepak Sahoo
                                                                            Consultant
COUNTERMEASURES AGAINST SOURCES
STEP 2      OF CONTEMINATION AND HARD TO DO
                          CLITA

   •     COUNTERMEASURES AGAINST SOURCES OF
         CONTAMINATION
   •     MAKE APPROACH EASY FOR CLITA
   •     MAKE EASY TO DO CLITA
   •     SHORTEN CLEANING , LUBRICATING TIME
   •     ADOPT CONCEPTS OF LOCALIZED GUARDS
   •     RANKING THE PRIORITY PLACES FOR DAILY
         CLEANING
                                          Mr. Deepak Sahoo
                                              Consultant
Finding & Confirmation                      Hard to Access Areas
    of Generating Sources

•Understand contaminations relationship    •Time consuming Places
with Quality, Failures, Maintainability    •Places difficult to do.
etc.
•Locate contamination generating sources




          Analysis of                                 Analyzing
       Generating Sources                        Hard to Access areas

•Understand why do they generate?          • What type of work is performed?
•Impact on Equipment                       • What tools are used?
•Confirm the basic countermeasures         • Can work be performed in visible state?

                                                                         Mr. Deepak Sahoo
                                                                             Consultant
Devising countermeasures        Hard to Access Areas
       to Eliminate
Sources of Contamination   Time consuming Places
                           •Places difficult to do.
   Eliminate the Source
                              Eliminate Need to Access
    Contain (localize)
    the Contaminant
                            Reduce                 Improved
                            need to               Method of
   Shield (Protect) the
                           (Frequency)            C, L, I & R
      Affected part
                           approach             Less Time & Effort

        Improve
                                Improve Accessibility
    Cleaning Method                                     Mr. Deepak Sahoo
                                                            Consultant
Easy to clean




                Mr. Deepak Sahoo
                    Consultant
SOURCE OF CONTAMINATIONS




                           Mr. Deepak Sahoo
                               Consultant
Usage of localised guards




                            Mr. Deepak Sahoo
                                Consultant
Easy to lubricate




                    Mr. Deepak Sahoo
                        Consultant
Countermeasures against source of contamination
                      Oil Localisation
Before                                     After




                                                              Localised gaurds
The return oil flow from the feed drive gears splash and spread all around the
open space inside the machine there by getting contaminated. To avoid the
contamination, the return oil flow is channalised from the feed drive gears
directly to the lubrication tank
                                                                     Mr. Deepak Sahoo
                                                                         Consultant
DIFFICULT TO LUBRICATE
               - EASY TO LUBRICATE




Before                                                       After

 Difficult to Lubricate the oil to   Easy to Lubricate the oil to
             gear box                         gear box
                                                          Mr. Deepak Sahoo
                                                              Consultant
Easy to Inspect




                  Mr. Deepak Sahoo
                      Consultant
THEME:                                     LOSS NO.
                                                                    KAIZEN                                         MACHINE:       10B3S
                                                                                                                                               KAIZEN START
                                                        LOSS STRUCTURE:                                            TEAM: J. Sriram
To reduce Inspection time
                                                8A                    Inspection Time Reduction
                                                                                                                           Karunairaja              10.05.2001

                                                                                                                           Franklin            KAIZEN FINISH
BENCH MARK                  30 sec / Day                IDEA:
                                                         To bring the pressure gauge for K.O. system outside the           Sivakumar             25.05.2001
TARGET                      2 sec / Day                  machine for easy inspection
                                                                                                                           Ramalingam
PROBLEM:                                                COUNTERMEASURE:                                            BENEFITS :
                                                                Before                         After
                                                                                                                     Time saving = 28 sec / Day

                                                                                                                     Man hours saved per year = 15 hours
   Inspection is very difficult and
   taking more time in the pressure                          Pressure                                                Other Benefits
   gauge for K.O. system                                                               Pressure
                                                             gauge                                                   Inspection becomes easy
                                                                                       gauge
                                                             Inside the M/c
                                                                                       Outside the M/c


                                                                  Difficult to             Easy to
                                                                  Inspect                  Inspect

ANALYSIS:        Problem : Inspection is difficult      RESULT:                                                    HORIZONTAL DEPLOYMENT :
WHY 1            WHY 2                     WHY 3
                                                         Sec.

                                           By machine             30 sec / change
                 Pressure gauge                         30
Inspection is                                                                                          Better
                 kept inside the           design
very difficult                                                                                                           No of Areas
and it is        machine

taking                                                  15                                                               Identified      : 5 Nos.
moretime in
pressure                                                                                                                 Implemented : 5 Nos.
                                                                                         2 sec / Day
gauge for                                                0
K.O. system                                                        Before                   After

                                                                                                                                            Mr. Deepak Sahoo
                                                                                                                                                Consultant
Mr. Deepak Sahoo
    Consultant
DIFFICULT TO INSPECT- EASY TO INSPECT
              Before                           After




Difficult to Inspect the belt   Easy to Inspect the belt condition
          condition
                                                         Mr. Deepak Sahoo
                                                             Consultant
Purpose of Step-3
Continuously Maintaining and Management of Basic equipment conditions,
(I.e. Cleaning, Lubrication, Retightening)
Enhancing Equipment Reliability & Maintainability
Preparing standards that can be followed easily
Ideas for Visual Improvement




                                                                Mr. Deepak Sahoo
                                                                    Consultant
Cleaning, Inspection, Lubrication & Retightening
Clarification of places & location by all
Deciding tools, jigs to be used
Decided the method
Decide Standard / Level
Identify Problems & decide Trouble Shooting
Clarify Period
Set Goal Time

  Use of Visual Control
Visual ways to allow correct
decision in short span of time on           Prepare Standards &
the spot by only seeing                      Calendar (Schedule)
                                                            Mr. Deepak Sahoo
                                                                Consultant
C, L, I, R Standards


      Implementing Cleaning, Lubrication,
          Inspection, & Retightening

           Difference with Goal Time

            Kaizen (Implement & Confirm)

Feedback              Audit

                     Passed                 Mr. Deepak Sahoo
                                                Consultant
STEP 3

•   STANDARDS FOR CLEANING, LUBRICATING
    AND TIGHTENING
•   STANDARDS ARE MADE BY OPERATORS
    THEMSELVES WITH GUIDENCE BY PM
•   STANDARDS ARE MADE BY USING 5W 1H
•   STANDARDS SHOULD BE EASILY UNDERSTOOD
    BY EVERY ONE
•   INTRODUCE EXTENSIVE VISUAL CONTROLS

                                        Mr. Deepak Sahoo
                                            Consultant
CLEANING LUBRICATION & INSPECTION STANDARDS


 Cleaning activities :                       Lubrication activities :            Inspection activities :



                                                                                                       Remarks
Sl.   Route                      Sub -                                             Responsibility
                  Criteria                   Where         What         How   Time                    (Impact of
No. Reference                  Assembly                                               (Who)
                                                                                                     overlooking)


                               Dual Ext.
 1                Cleaning                  Steel belt   Dust & dirt          20 Sec    Operator     Quality defect
                               steel belt



                               Dual Ext.    Driven roll                                                Equipment
 2               Lubrication                            EP-2 grease           30 Sec    Operator
                                skiver       bearing                                                     failure



                                            Inside pull
 3               Inspection Head stock                  No damage             5 Sec     Operator           UNSAFE
                                              out ring




                                                                                                Mr. Deepak Sahoo
                                                                                                    Consultant
VISUAL CONTROLS


  Activity        Symbol       Tools

  CLEAN
                            I
   LUB
                            S
INSPECTION                 NOC
                                  Mr. Deepak Sahoo
                                      Consultant
Indication marks
                    Indication for
 for nuts & bolts
                    valve controls


                                     Mr. Deepak Sahoo
                                         Consultant
Arrow sign for
  Fan to indicate the
                           indicating the
function of Chiller Unit
                           rotating direction of
                           Motor
                                            Mr. Deepak Sahoo
                                                Consultant
Mr. Deepak Sahoo
    Consultant
Mr. Deepak Sahoo
    Consultant
Mr. Deepak Sahoo
    Consultant
Mr. Deepak Sahoo
    Consultant
Avoid such extremes with some over enthusiastic teams




                                              Mr. Deepak Sahoo
                                                  Consultant
Purpose of Step-4
Bringing up equipment consciousness in the process of measuring & restoring
deterioration.
To understand structures, functions & principles of equipment & learn their
optimal conditions to thoroughly check principal mechanisms & parts of the
equipment




                                                                    Mr. Deepak Sahoo
                                                                        Consultant
Preparation for Education & Training

Identifying general Inspection Items
Basic Items:
        Machine Elements        Lubrication system   Bolts & Nuts

        Hydraulic System        Pneumatic System     Driving Systems
        Electrical systems      Equipment Safety     Process Conditions

Additional Items: Specific to the Equipment


Preparation of text for General Inspection Education & Training


 Schedule Planning for General Inspection Education & Training

                                                            Mr. Deepak Sahoo
                                                                Consultant
Implementation of General Inspection
               Education & Training
      Implementation of Education for Circle Leaders


Preparation of education transmission to Circle Members


Implementation of education transmission to Circle Members


        Implementation of General Inspection
         Implementation of General Inspection

  Preparation of Abnormalities List for Circle Meetings
       Discussion & Planning Countermeasures

           Restoration of Abnormalities List           Mr. Deepak Sahoo
                                                           Consultant
Prevention of Irregularities in General Inspection Items

   Preparation of Temporary Criteria for Daily Inspection


                   Inspection skill Check


   Autonomous Audit & Application for receiving diagnosis


                  Implementation of Audit


              Solutions to the Items Pointed out



                                                     Mr. Deepak Sahoo
                                                         Consultant
Prevention of Irregularities in General Inspection Items

   Preparation of Temporary Criteria for Daily Inspection


                   Inspection skill Check


   Autonomous Audit & Application for receiving diagnosis


                  Implementation of Audit


              Solutions to the Items Pointed out



                                                     Mr. Deepak Sahoo
                                                         Consultant
Initial Clean-up
( Cleaning is Inspection)
( Cleaning with meaning)
(Doing with purpose)
Taking countermeasure
for forced deterioration
and improving hard
to access area
Preparing tentative
standards for cleaning
and lubrication


                  Mr. Deepak Sahoo
                      Consultant
Four Steps to Become An Operator Strong on
               Equipment And Autonomous Maintenance

Autonomous                                                           Four steps to
Maintenance                                                          become an operator
7 steps                                                              strong on equipment




               7 All-out autonomous management 4 Master how to repair the equipment


                                                        Learn how to operate the
            6 Orderliness and tidiness                  equipment with the required
                                                    3
                                                        accuracy and how to evaluate
                                                        the product quality
           5 Autonomous check-up

         4 General inspection                           Study the mechanism and
                                                    2   functions of equipment and
        3 Formulation of clean-up and lubrication
          standards                                     machines

      2 Measures against sources of outbreaks           Familiarize with the concept of
                                                        equipment maintenance and
                                                    1
                                                        improvement and with how to put the
     1 Initial clean-up                                 idea into practical realization


                                                                                           Mr. Deepak Sahoo
                                                                                               Consultant

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Jishu Hozen or Autonomous Maintenance

  • 1. Mr. Deepak Sahoo Consultant
  • 2. •To PREVENT EQUIPMENT DETERIORATION •TO MAINTAIN EQUIPMENT IN OPTIMAL CONDTION •TO ESTABLISH BASIC EQUIPMENT CONDITION •TO ELIMINATE EQUIPMENT FAILURE •TO MAKE OPERATOR EQUIPMENT COMPETENT •TO ELIMINATE Quality Defects •TO ELIMINATE COST LOSSES Mr. Deepak Sahoo Consultant
  • 3. EQUIPMENT DETERIORATION Natural Deterioration Accelerated Deterioration Extend Life Time Eliminate Causes Corrective Maintenance Establish Basic Condition • Prevent errors by • Cleaning : Eliminate improving operability all dust & Dirt •Improve Maintainability • Lubricating : Keep & Repair Quality lubricants clean and • Improve safety replenished & Reliability • Tightening : Keep nuts & bolts secure Mr. Deepak Sahoo Consultant
  • 4. Mr. Deepak Sahoo Consultant
  • 5. PREVENTIVE MEDICINE FOR EQUIPMENT = PREVENTIVE MAINTENANCE Preventive Medicine Health Daily Early checkup Prevention treatment (Diagnosis) Prevents Measures Repair deterioration deterioration deterioration Daily maintenance Make preventive Inspection (lubricate, clean, repairs (advance (Diagnosis) adjust, inspect replacement) Preventive Maintenance Mr. Deepak Sahoo Consultant
  • 6. CLASSIFICATION OF MAINTENANCE ACTIVITIES Normal operation Daily maintenance Maintain Preventive maintenance Periodical maintenance preventing & Predictive maintenance repairing failure Breakdown maintenance Maintenance activities Corrective maintenance Improvement of maintainability Improvement of reliability Improve Prolong equipment life Eliminate maintenance Maintenance prevention Reduce maintenance hours Design which does not need maintenance Mr. Deepak Sahoo Consultant
  • 7. CLASSIFICATION OF DEFECTS Physical latent defects Psychological latent defects The defects which are left unattended Defects which are left unnoticed due to since they are not physically exposed to insufficient knowledge and education of naked eyes operators or maintenance people 1. Defects which can not be visually 1. Operator or maintenance man’s observed unless the equipment is indifference dismantled 2. Defects which can not be visually 2. Operator or maintenance man is not well noticed due to improper installation familiarized with types of defects location of equipment 3. Defects which are likely to be ignored 3. Operator or maintenance man’s ignorance since they are covered with dust or they based on their own judgment are heavily soiled Mr. Deepak Sahoo Consultant
  • 8. 1.MINOR FLAWS 2. UNFULFILLED BASIC CONDITIONS 3. INACCESSABLE PLACES 4. CONTEMINATION SOURCES 5. QUALITY DEFECT SOURCES 6. UNNECCERY AND NON-URGENT ITEMS 7. UNSAFE PLACES Mr. Deepak Sahoo Consultant
  • 9. 1.MINOR FLAWS : Contamination Dust, Dirt, powder, oil, grease, rust, paint Damage Cracking, crushing, deformation, chipping, bending, Play Shaking, falling out, tilting, eccentricity, wear, distortion, corrosion, Slackness Belts, Chains Abnormal Unusual noise, overheating, Vibration, strange Phenomenon smells, discoloration, incorrect pressure or current Adhesion Blocking, hardening, accumulation of debris, peeling, malfunction Mr. Deepak Sahoo Consultant
  • 10. 2. UNFULFILLED BASIC CONDITIONS Lubrication Insufficient, Dirty, Unidentified, unsuitable, Leaking Lubrication Dirty, damaged or deformed lubricant inlets, Supply faulty lubricant pipes Oil level gauges Dirty, Damaged, leaking, No indication of correct level Tightening Nuts and Bolts slackness, Missing, Cross- threaded, Too long, Crushed, Corroded, Unsuitable washers, wing nuts on backward Mr. Deepak Sahoo Consultant
  • 11. 3. INACCESSABLE PLACES Cleaning Machine construction, Covers, Layout, footholds, Space Checking Construction, Covers, Layout, footholds, Instrument position and Orientation, Operating – Range display Lubricating Position of lubricant inlet, construction, height, footholds, lubricant outlets, space Tightening Covers, Construction, Layout size, Space Operation Machine layout, Position of valves, Switches and leavers, Footholds Adjustment Position of pressure gauges, thermometers, flow meters, moisture gauges, vacuum gauges, etc. Mr. Deepak Sahoo Consultant
  • 12. 4. CONTEMINATION SOURCES Product Leaks, Spills, Spurts, Scattering, Overflow Raw materials Leaks, Spills, Spurts, Scattering, Overflow Lubricants Leaking, Spills, Seeping oils, Hydraulic fluids, Fuel oils, etc. Gases Leaking compressed air, gases, steam, vapors, exhaust fumes, etc. Liquids Leaking water, Hot, Cold, half finished products, Waste water, Leaking supply lines etc. Scrap Flashes, cuttings, packaging materials, and non conforming products. Others Contaminants by people & Forklifts, Infiltration through cracked walls, broken windows etc. Mr. Deepak Sahoo Consultant
  • 13. 5. QUALITY DEFECT SOURCES Foreign Matter Dust, Rust, powder, chips, moisture, wire scraps, wood pieces, paper pieces, stones etc. Shock Dropping, Jolting, collision, Vibration etc. Moisture Too little or Too much, infiltration Gain Size Abnormalities in screens, Compressed air separators, centrifugal separators, Concentration Inadequate warming, heating, compounding, mixing, evaporation, stirring etc. Viscosity Inadequate warming, heating, compounding, mixing, evaporation, stirring etc. Mr. Deepak Sahoo Consultant
  • 14. 6. UNNECCERY AND NON-URGENT ITEMS Machinery Pumps, fans, compressors, columns, tanks etc. Piping equipment Pipes, hoses, ducts, valves, dampers etc. Measuring Temperatures, pressure gauges, vacuum instruments gauges, ammeters etc. Electrical Wiring, piping, power leads, switches, plugs equipment etc. Jigs & Tools General tools, cutting tools, jigs, molds, dies, frames etc. Spare parts Standby equipment, spares, permanent stocks, auxiliary materials, etc. Makeshift repairs Tape. String, wire, metal plates etc. Mr. Deepak Sahoo Consultant
  • 15. 7. UNSAFE PLACES Floors Unevenness, cracked, holes, projections, peeling, wear of steel chucker plates, slipping. Steps Too steep, irregular, slipping, missing handrails, etc. Lights Dim, out of position, dirty or broken covers, no explosion proofing, etc. Rotating Displaced, fallen oil or broken covers, not safe for machinery emergency, missing emergency stop devices Lifting Wires, hooks, brakes and other parts of cranes and Devices hoists etc. Others Special substances, solvents, toxic gases, insulating materials, danger signs, protective clothing etc. Mr. Deepak Sahoo Consultant
  • 16. 7 Steps of Autonomous Maintenance Autonomous Management Standardization Autonomous Inspection General Inspection Preparing Tentative Cleaning, Lubrication, Inspection & Retightening Stds. Countermeasures against Sources of contamination & Hard to Access areas Initial thorough Cleaning Preparation Mr. Deepak Sahoo Consultant
  • 17. Z E • PREPARE A CLEANING & LUBRICATION MAP R • ARRANGE TOOLS O • ARRANGE RED & WHITE TAGS S • HISTROY OF FAILURES T • TRAINING ON 7 STEPS OF JISHU HOZEN E • TRAINING ON 7 TYPES OF ABNORMALITIES P Mr. Deepak Sahoo Consultant
  • 18. • CLEANING IS INSPECTION • USE 5 SENSES FOR CLEANING • FIND OUT 7 TYPE OF ABNORMALITIES • PUT TAGS ON ABNORMALITIES • PREPARE LIST OF UNFULFILLED BASIC CONDITIONS Mr. Deepak Sahoo Consultant
  • 19. White tags for operators Red Tags to be attended by Maint. Equipment Name ……………… Equipment Name ……………… Control No…………………….. Control No…………………….. Date of detection………………. Date of detection………………. Detected by…………………….. Detected by…………………….. Description of Minor defects Description of Minor defects …………………………………. …………………………………. ………………………………….. ………………………………….. …………………………………. …………………………………. Mr. Deepak Sahoo Consultant
  • 20. • MAKE THE LIST OF • HARD TO CLEAN, • HARD TO LUBRICATE, • HARD TO TIGHTEN, Areas / Parts • HARD TO INSPECT, • HARD TO ADJUST •RECORD CLEANING TIME • CARRY OUT AUDIT ON 1ST STEP • MEETING AFTER THE DAILY ACTIVITIES • REFER TO THE OLD HISTORY RECORDS Mr. Deepak Sahoo Consultant
  • 21. Mr. Deepak Sahoo Consultant
  • 22. Mr. Deepak Sahoo Consultant
  • 23. Mr. Deepak Sahoo Consultant
  • 24. EXAMPLE OF ABNORMALITY ( LOOSE FITTINGS ) Mr. Deepak Sahoo Consultant
  • 25. EXAMPLE OF ABNORMALITY ( LEAKAGES ) Mr. Deepak Sahoo Consultant
  • 27. Purpose of Step-2 Eliminate sources of Contamination To improve places where it is difficult to access for cleaning, lubrication, inspection Improved maintainability of Equipment Enable Learning in tackling Equipment Kaizen Mr. Deepak Sahoo Consultant
  • 28. COUNTERMEASURES AGAINST SOURCES STEP 2 OF CONTEMINATION AND HARD TO DO CLITA • COUNTERMEASURES AGAINST SOURCES OF CONTAMINATION • MAKE APPROACH EASY FOR CLITA • MAKE EASY TO DO CLITA • SHORTEN CLEANING , LUBRICATING TIME • ADOPT CONCEPTS OF LOCALIZED GUARDS • RANKING THE PRIORITY PLACES FOR DAILY CLEANING Mr. Deepak Sahoo Consultant
  • 29. Finding & Confirmation Hard to Access Areas of Generating Sources •Understand contaminations relationship •Time consuming Places with Quality, Failures, Maintainability •Places difficult to do. etc. •Locate contamination generating sources Analysis of Analyzing Generating Sources Hard to Access areas •Understand why do they generate? • What type of work is performed? •Impact on Equipment • What tools are used? •Confirm the basic countermeasures • Can work be performed in visible state? Mr. Deepak Sahoo Consultant
  • 30. Devising countermeasures Hard to Access Areas to Eliminate Sources of Contamination Time consuming Places •Places difficult to do. Eliminate the Source Eliminate Need to Access Contain (localize) the Contaminant Reduce Improved need to Method of Shield (Protect) the (Frequency) C, L, I & R Affected part approach Less Time & Effort Improve Improve Accessibility Cleaning Method Mr. Deepak Sahoo Consultant
  • 31. Easy to clean Mr. Deepak Sahoo Consultant
  • 32. SOURCE OF CONTAMINATIONS Mr. Deepak Sahoo Consultant
  • 33. Usage of localised guards Mr. Deepak Sahoo Consultant
  • 34. Easy to lubricate Mr. Deepak Sahoo Consultant
  • 35. Countermeasures against source of contamination Oil Localisation Before After Localised gaurds The return oil flow from the feed drive gears splash and spread all around the open space inside the machine there by getting contaminated. To avoid the contamination, the return oil flow is channalised from the feed drive gears directly to the lubrication tank Mr. Deepak Sahoo Consultant
  • 36. DIFFICULT TO LUBRICATE - EASY TO LUBRICATE Before After Difficult to Lubricate the oil to Easy to Lubricate the oil to gear box gear box Mr. Deepak Sahoo Consultant
  • 37. Easy to Inspect Mr. Deepak Sahoo Consultant
  • 38. THEME: LOSS NO. KAIZEN MACHINE: 10B3S KAIZEN START LOSS STRUCTURE: TEAM: J. Sriram To reduce Inspection time 8A Inspection Time Reduction Karunairaja 10.05.2001 Franklin KAIZEN FINISH BENCH MARK 30 sec / Day IDEA: To bring the pressure gauge for K.O. system outside the Sivakumar 25.05.2001 TARGET 2 sec / Day machine for easy inspection Ramalingam PROBLEM: COUNTERMEASURE: BENEFITS : Before After Time saving = 28 sec / Day Man hours saved per year = 15 hours Inspection is very difficult and taking more time in the pressure Pressure Other Benefits gauge for K.O. system Pressure gauge Inspection becomes easy gauge Inside the M/c Outside the M/c Difficult to Easy to Inspect Inspect ANALYSIS: Problem : Inspection is difficult RESULT: HORIZONTAL DEPLOYMENT : WHY 1 WHY 2 WHY 3 Sec. By machine 30 sec / change Pressure gauge 30 Inspection is Better kept inside the design very difficult No of Areas and it is machine taking 15 Identified : 5 Nos. moretime in pressure Implemented : 5 Nos. 2 sec / Day gauge for 0 K.O. system Before After Mr. Deepak Sahoo Consultant
  • 39. Mr. Deepak Sahoo Consultant
  • 40. DIFFICULT TO INSPECT- EASY TO INSPECT Before After Difficult to Inspect the belt Easy to Inspect the belt condition condition Mr. Deepak Sahoo Consultant
  • 41. Purpose of Step-3 Continuously Maintaining and Management of Basic equipment conditions, (I.e. Cleaning, Lubrication, Retightening) Enhancing Equipment Reliability & Maintainability Preparing standards that can be followed easily Ideas for Visual Improvement Mr. Deepak Sahoo Consultant
  • 42. Cleaning, Inspection, Lubrication & Retightening Clarification of places & location by all Deciding tools, jigs to be used Decided the method Decide Standard / Level Identify Problems & decide Trouble Shooting Clarify Period Set Goal Time Use of Visual Control Visual ways to allow correct decision in short span of time on Prepare Standards & the spot by only seeing Calendar (Schedule) Mr. Deepak Sahoo Consultant
  • 43. C, L, I, R Standards Implementing Cleaning, Lubrication, Inspection, & Retightening Difference with Goal Time Kaizen (Implement & Confirm) Feedback Audit Passed Mr. Deepak Sahoo Consultant
  • 44. STEP 3 • STANDARDS FOR CLEANING, LUBRICATING AND TIGHTENING • STANDARDS ARE MADE BY OPERATORS THEMSELVES WITH GUIDENCE BY PM • STANDARDS ARE MADE BY USING 5W 1H • STANDARDS SHOULD BE EASILY UNDERSTOOD BY EVERY ONE • INTRODUCE EXTENSIVE VISUAL CONTROLS Mr. Deepak Sahoo Consultant
  • 45. CLEANING LUBRICATION & INSPECTION STANDARDS Cleaning activities : Lubrication activities : Inspection activities : Remarks Sl. Route Sub - Responsibility Criteria Where What How Time (Impact of No. Reference Assembly (Who) overlooking) Dual Ext. 1 Cleaning Steel belt Dust & dirt 20 Sec Operator Quality defect steel belt Dual Ext. Driven roll Equipment 2 Lubrication EP-2 grease 30 Sec Operator skiver bearing failure Inside pull 3 Inspection Head stock No damage 5 Sec Operator UNSAFE out ring Mr. Deepak Sahoo Consultant
  • 46. VISUAL CONTROLS Activity Symbol Tools CLEAN I LUB S INSPECTION NOC Mr. Deepak Sahoo Consultant
  • 47. Indication marks Indication for for nuts & bolts valve controls Mr. Deepak Sahoo Consultant
  • 48. Arrow sign for Fan to indicate the indicating the function of Chiller Unit rotating direction of Motor Mr. Deepak Sahoo Consultant
  • 49. Mr. Deepak Sahoo Consultant
  • 50. Mr. Deepak Sahoo Consultant
  • 51. Mr. Deepak Sahoo Consultant
  • 52. Mr. Deepak Sahoo Consultant
  • 53. Avoid such extremes with some over enthusiastic teams Mr. Deepak Sahoo Consultant
  • 54. Purpose of Step-4 Bringing up equipment consciousness in the process of measuring & restoring deterioration. To understand structures, functions & principles of equipment & learn their optimal conditions to thoroughly check principal mechanisms & parts of the equipment Mr. Deepak Sahoo Consultant
  • 55. Preparation for Education & Training Identifying general Inspection Items Basic Items: Machine Elements Lubrication system Bolts & Nuts Hydraulic System Pneumatic System Driving Systems Electrical systems Equipment Safety Process Conditions Additional Items: Specific to the Equipment Preparation of text for General Inspection Education & Training Schedule Planning for General Inspection Education & Training Mr. Deepak Sahoo Consultant
  • 56. Implementation of General Inspection Education & Training Implementation of Education for Circle Leaders Preparation of education transmission to Circle Members Implementation of education transmission to Circle Members Implementation of General Inspection Implementation of General Inspection Preparation of Abnormalities List for Circle Meetings Discussion & Planning Countermeasures Restoration of Abnormalities List Mr. Deepak Sahoo Consultant
  • 57. Prevention of Irregularities in General Inspection Items Preparation of Temporary Criteria for Daily Inspection Inspection skill Check Autonomous Audit & Application for receiving diagnosis Implementation of Audit Solutions to the Items Pointed out Mr. Deepak Sahoo Consultant
  • 58. Prevention of Irregularities in General Inspection Items Preparation of Temporary Criteria for Daily Inspection Inspection skill Check Autonomous Audit & Application for receiving diagnosis Implementation of Audit Solutions to the Items Pointed out Mr. Deepak Sahoo Consultant
  • 59. Initial Clean-up ( Cleaning is Inspection) ( Cleaning with meaning) (Doing with purpose) Taking countermeasure for forced deterioration and improving hard to access area Preparing tentative standards for cleaning and lubrication Mr. Deepak Sahoo Consultant
  • 60. Four Steps to Become An Operator Strong on Equipment And Autonomous Maintenance Autonomous Four steps to Maintenance become an operator 7 steps strong on equipment 7 All-out autonomous management 4 Master how to repair the equipment Learn how to operate the 6 Orderliness and tidiness equipment with the required 3 accuracy and how to evaluate the product quality 5 Autonomous check-up 4 General inspection Study the mechanism and 2 functions of equipment and 3 Formulation of clean-up and lubrication standards machines 2 Measures against sources of outbreaks Familiarize with the concept of equipment maintenance and 1 improvement and with how to put the 1 Initial clean-up idea into practical realization Mr. Deepak Sahoo Consultant