The purpose of this procedure is to define the steps to do a 4M Analysis of a system or subsystem. The goal of this 4M Analysis Procedure is to reduce losses in the factory by using the Equipment Attributes as a guideline to achieve this end.
Focused Improvement training can be taken here
4M Analysis Steps
- Define Improvement Statement
- List Issues into Categories
- Resolve Issues
Define Improvement Statement
4M Fishbone Diagram
- Select a process system or item that can be replaced by another type of system if necessary.
- Each attribute contains a definition and a set of details that define it’s purpose
Define Statement for Fishbone
- “Improve”
- Select Process
- Select Attribute
- Statement
- Improve
- COB Unloading Area
- General & Operator Maintainability
List Issues Into Categories
- Put a category on each branch of the fishbone and fill in the attributes of each category on the branch
4M Fishbone Diagram
List Issues Into Categories
- Man
- Skill
- Technology
- Organization
- Resources
- Communications
- Machine
- Design
- Installation
- Supplier
- Methods
- Schedule
- Procedure
- Material
- Design
- Quality
- Other
- Budget
- Demand
- Now the team asked the questions of each category: (Evaluating “Man & Skill”) How does “a person’s skill affect the process we are trying to improve”.
- After each question, all of the issues that arise are listed under that sub category of the 4M
Capture & List Issues into Categories
Machine |
Design |
Visual access limited |
Easy access limited |
Maintainability limited (bearings) |
Installation |
Mounting brackets not clean design |
Conveyors stacked on top of one another |
Supplier |
Too much string |
Too many damaged cases |
4M Analysis Resolution of Issues
- Select Condition from list of Issues on fishbone
- Example: “Design – Visual access limited”
- Select Proper Problem Solving Methodology
- Problem Solving Methodologies
- Autonomous Maintenance Process
- Standards
- Inspection, Cleaning & Lubrication
- Root Cause Analysis
- Cap Do Process
- 5S Checklist
- One Point Lesson Plans
- Re-engineering (MP Data)
- Project Safety Checklist
- Select Owner of Countermeasures
- Create work order to schedule work for trades
- Schedule Countermeasure Completion
- 30 days after completion, evaluate countermeasure to insure that all of the expectations, of the owners, have been met. If not, re-do cause and analysis.
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Hi
very useful information , my note is” we can use 5 whys Tool also to define root cause for ” Example: “Design – Visual access limited”.
Thanks.