Whenever I fix a typewriter, I offer the customer free after-service care. Yesterday, for the first time, that offer was taken up. Three years ago I had worked on a 70-year-old Royal HHP standard which had been bought for a Canberra woman by her mother-in-law, from the San Francisco Typewriter Exchange. Last week the owner contacted me to say the keys and typebars wouldn’t move. She wasn’t wrong. It would have taken a sledgehammer to get them operational.
The owner said she had no knowledge of anyone spraying anything into the segment. But, from experience, that is exactly what had happened. And the guilty item: WD-40! WD-40 is a water dispersant spray, not a lubricant. WD-40 shouldn’t be allowed within a 100 miles of a typewriter, the keys and typebars of which work through a combination of a multitude of gears, levers and springs and good ol’ gravity. Allow WD-40 anywhere near those gears, lever connections and springs, or the groves of the segment, and you’re asking for big, big problems. WD-40 works like Lanolin, it congeals and clogs.
It took 24 hours of serious bubble bathing, relubricating and much gentle manual persuasion to get the keys and typebars working properly again. Today’s lesson? Never use WD-40 as a lubricant. And never, ever, use it on a typewriter.