Скачать или смотреть Repairing a Chubb 4L67 Lock – Made a New Spring from Piano Wire 🔧🔐

This door wouldn’t lock because the bolt spring had broken inside a Chubb 4L67 lock.

Here’s how I repaired it:
🔧 Removed the lock from the door and opened the case
🔍 Inspected the internals to find the broken spring
🪛 Took it into my van and made a brand-new spring from piano wire, shaping it to match the old one
⚙️ Fitted the replacement spring and tested the mechanism
✅ Reinstalled the lock on the door and tested operation – it worked perfectly

A precise repair that brought this lock back to life and saved the customer from needing a costly replacement. One happy customer!

www.activelockcentre.co.uk

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