Cleaning, Flushing, Rekeying & Servicing a Master Lock Rekeyable Padlock M20

1,649 views · Published 2 April 2017 · 12:33 · Indexed 25 October 2026

Channel: Wayne Winton · 2017 · Science & Technology

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How to clean, flush, rekey and service a Master Lock M20 rekeyable padlock.

Cleaning procedure: PB Blaster soaks in and breaks down the dirt and crud so that it may then be flushed out with a solvent like brake cleaner, then blown dry with canned or compressed air. Then relubricate the lock with a quality DRY lubricant.

More locksmith tips and tricks: https://wayneslockshop.com/

Tri-County Locksmith Service | 970-945-5625 | www.tricountylocksmithservice.com

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