Preventive maintenance and shop quality · Lesson 3 of 4

Preventive maintenance and shop quality: methods and worked application

A five-step method for a maintenance card, the pre-use walk-round, and four worked examples: a tape check, hours since service, an inspection record and a Pareto ranking of rejects, plus the restart and logging rules.

You will be able to: Build a maintenance card from the manuals, run a pre-use check, check a tape against a benchmark, track machine hours, record an annual energy control inspection and rank defects with a check sheet and Pareto chart.

10 min · 12 slides · 7 questions

All lessons in this module

Slide 1 of 12

A method in five steps

For each machine and measuring tool:

List it, by name and location
Copy each task and interval from its maker's manual
Add the OSHA inspections that apply to it
Name who does each task: operator, or qualified technician
Log every entry: date, work, who, tag-out

Sources

Lubrication KITs for RAS machines - RAS Reinhardt Maschinenbau GmbH
29 CFR 1910.147 - The control of hazardous energy (lockout/tagout): definitions (b), periodic inspection (c)(6), release from lockout (e) - U.S. Department of Labor, OSHA (via Cornell LII)
The fundamentals of press brake maintenance (B. Accou, 2011-02-25) - The Fabricator
Equipment/machinery checklist and maintenance record - pan brake (sheetmetal bender), school template - Queensland Department of Education (Australia)

Videos for this lesson

What this video shows: At least annually, an authorized employee other than the one using a lockout/tagout procedure inspects it.

Video: Lockout/Tagout Periodic Inspections by J. J. Keller & Associates, Inc, on YouTube. Chosen from the video's published description.

Glossary

Authorized employee: In 29 CFR 1910.147, a person who locks or tags out a machine to service or maintain it.
Energy control procedure: The employer's written steps for isolating a machine's energy before servicing; 1910.147 has it inspected at least annually.
Check sheet (data collection sheet): A form on which each occurrence is recorded by category as it happens; ASQ lists it among root cause tools.
Tag-out: Placing a warning tag on an energy isolating device; the Queensland log records it and who removed and checked the tag.