HP45 power switch lubrication without opening calculator?

[burkhard]

(10-04-2020 04:11 PM)rprosperi Wrote:  Use a lubricant made for electronics, such as Lubriplate (found on eBay, Amazon, etc.) and yes you can simply (carefully of course) put a small amount into the power switch slot and work it in by simply sliding the switch back and forth (but remove power when you do this, there's no reason to stress electronics with 50 on/off cycles).

A point of clarification here. "Lubriplate" is a brand that makes MANY different products, most of which you don't want to put on electrical switches. Their flagship product which they have sold for many decades and the one that you will get if you use that generically just say "Lubriplate" to a guy at an autoparts store is one of these. It's for car door hinges, windshield wiper mechanisms, and the like.

The specific Lubriplate product I believe Bob is advocating is their DS-ES grease, which is a fairly specialty item, but easy to find online. Here's the link to it on the Lubriplate web site.
https://www.lubriplate.com/Consumer/Cons...name=DS-ES
I've used this myself in the manner he suggests on Classic series calculators and it works.