Lubricating a combination lock – WD-40 – aerosols
How to lubricate entry doors and what to use : Lubricating A Combination Lock WD 40 Aerosols
Quote from Article entitled How to lubricate entry doors and what to use:
Without oiling, the bars of the lock get worn out from constant rubbing against the chrome surface of the ends of the lock bar;An unlubricated push-pin gnaws out a dent on the sliding surface, when being pulled;The lubrication extends the service life of the vertical drives (pistons);The knot of the lock, regulating the beveled latch, constantly suffers from rubbing, when the latch works;It is recommended to cover the pivots with lubricant, as they also suffer from abrasion;The toothed bar of the cylinder lock works much better, when lubricated.
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