What is a One Point Lesson (OPL)?
A One Point Lesson is a 5 to 10 minutes learning tool, which normally take less than 15 minutes to write. It is a lesson on a single topic/point, on one sheet of paper. It normally consists of 80% diagram and 20% words all produced by hand. It is generally prepared by supervisors or group leaders and sometimes by operators.
When to use it?
• Whenever an important message must be communicated and understood.
What does it achieve?
An OPL quickly enables a team to share key learning and builds on a common understanding of the systems and standards that apply to a work area. When properly managed, they support greater transparency of knowledge and help to rapidly bring new people in an area up to speed.
• To pass on better knowledge.
• Strengthen the understanding for functions of machines and lines.
• Improve knowledge about maintenance defect prevention.
Types of OPL
1. Basic information sheet: essential basic information – practical know-how and know-how of methods:
• Maintenance activities as e.g. filter changing.
• Small repair works.
• Setting of machine functions.
• Cleaning and checking.
• Lubricating.
• Reason for quality loss.
2. Problem case study sheet: teaches how to prevent recurrence of an actual equipment problem.
3. Improvement / Kaizen lessons study case: describes the approach and key measures in a successful improvement case study.
Key points to remember when writing OPL’s
• Only One Point illustrated on a single sheet of paper.
• As many senses as possible should be addressed (See above).
• It must be written As Simple As Possible.
• It should take approximately 15 minutes to write using a pencil, pen or felt tips.
• When words are used, they should be ALL capitals.
Tags: Lean, one point lesson, opl, total productive maintenance, TPM