Dan Holdmeyer

Dan Holdmeyer is retired from Chevron Lubricants and is based in Washington, Mo. You can reach him at dan.holdmeyer@gmail.com.

Articles

Lubrication January 17, 2023

Additives and engine oil lubrication

Engine oils contain a complex blend of additives to minimize emission and aid efficiency.

By Dan Holdmeyer
Lubrication January 10, 2023

Used oil analysis fundamentals

A quality oil analysis program with a series of consistently timed samples is key to successful preventive maintenance.

By Dan Holdmeyer
Lubrication January 9, 2023

Crude oil to base stocks to base oils to lubricating oils

The refining process has improved throughout the history of crude oil use, with base stock quality continuing to benefit from new technology.

By Dan Holdmeyer
Courtesy: Control Engineering, CFE Media and Technology, www.controleng.com 
Lubrication October 12, 2022

The basics of lubricant water contamination

Steps taken after water contamination is identified depend on the type of lubrication product and its intended use.

By Dan Holdmeyer
Lubrication July 27, 2022

Air entrainment, aeration, cavitation and foaming: How are they related?

There are many causes and solutions to this foaming issue

By Dan Holdmeyer
Courtesy: STLE
Lubrication June 15, 2022

Regrease properly to improve bearing life

A simple equation and a checklist of important considerations can help to optimize the greasing of bearings.

By Dan Holdmeyer
Courtesy of: STLE
Maintenance June 13, 2022

Fluid sampling best practices

This can derail the best fluid analysis program and cause severe maintenance issues for companies.

By Dan Holdmeyer
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